REPAIR / SERVICING TV DIGITAL DLE-2610

Technical description and composition of the DIGITAL DLE-2610 TV, type of panel and applicable modules. The composition of the modules.
DIGITAL LED
Model: DLE-2610
Chassis / Version: T.MS6M182.81B
Panel: V260CD1B23-2
T-CON: V260B2-XC03
PWM LED driver: BD9261FP
PWM Power: FAN7602C
MainBoard: T.MS6M182.81B
IC MainBoard: MST6M182VS-LF-Z1, NT5TU32M16DG-AC, 5Q32BVS1G, IT6633E-P, TPA3110D2,
Tuner: AFT7 / W130G
Technical Specifications DLE-2610
DIGITAL DLE-2610
General repair guidelines for TV LCD LED
Possible malfunctions
- The DIGITAL DLE-2610 TV does not turn on and does not show any signs of operability at all. There is no reaction to either the remote control or the front panel control buttons.
With such manifestations, a malfunction is most likely to be detected in the power module. It is necessary to measure its secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
The breakdown of Mos-Fet keys used in pulsed sources is often caused by malfunctions of other elements, for example, power supply, frequency-setting, damper ... as well as elements of the Negative Stabilization Feedback. The PWM chip FAN7602C can also cause a malfunction of the power switch of the converter and is checked by replacement.
- There is no image, but there is sound and reaction to the remote control. Or for a second, the image may appear immediately after switching on.
Usually in such cases, a malfunction is detected in the backlight nodes of the LED panel. The reason for this may be a break in the LED circuit, or a problem in stabilizing their power supply.
It is impossible to check the line of series-connected LEDs without a special current source, and for this purpose it is not safe to use any voltage sources above 12V for them. Then it remains only to open the panel and check each LED separately. Usually, Chinese 9V-powered multimeters light up a single 3-volt LED, if you connect the probes in the forward direction, the red probe to the anode, and the black to the cathode. In dual 6-volt LEDs, the PN junction of its emergency zener diode can serve as an indicator of health. In the event of a LED malfunction, its zener diode will either be cut off or broken into short-circuit.
- The indicator on the front panel blinks, the TV does not turn on in operating mode, it does not respond to the remote control.
Repair or diagnostics of the T.MS6M182.81B motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). If it is not possible to replace the MB (SSB) card, you need to check the health of its elements - MST6M182VS-LF-Z1, NT5TU32M16DG-AC, 5Q32BVS1G, IT6633E-P, TPA3110D2,. Defective components should be replaced.
AFT7 / W130G tuner malfunction is established after checking the software and all supply voltages at its terminals. The data exchange of the tuner with the processor via the I2C bus can be controlled by an oscilloscope.

It should be remembered! Attempts to independently repair the DIGITAL DLE-2610 TV, in the absence of the necessary qualifications and experience, are categorically not recommended and are fraught with negative consequences, up to the complete non-repairability of the device!

Backlight Edge LED, Diagonal of 26 inches (66 cm), Screen format 16: 9, Resolution 1366x768, Support HD 720p, Brightness 600 cd / m2, Dynamic contrast 20,000: 1, Viewing angle 178 °, Pixel response time 4 ms.
Repair MainBoard
The appearance of MainBoard T.MS6M182.81B is shown in the figure below:
T.MS6M182.81B
T.MS6M182.81B can be used in TVs:
DIGITAL DLE-2610 (Panel V260CD1B23-2), FUSION FLTV-32H17 (Panel LC320WXE (SB)(V2)), SUPRA STV-LC3244WL (Panel LTA320AN01), SUPRA STV-LC3244WLD (Panel LTA320AN01 ), SUPRA STV-LC3219W (Panel LC320WXE), SUPRA STV-LC32S650WL (Panel MT3151A03-1 VER22), SUPRA STV-LC46S990FL (Panel TC460FPE5).
Main features of the DIGITAL DLE-2610 device:
The matrix (LED panel) V260CD1B23-2 is installed.
The matrix control uses the Timing Controller (T-CON) V260B2-XC03.
A converter controlled by the BD9261FP PWM controller is used to power the backlight LEDs.
The necessary supply voltage for all nodes of the DIGITAL DLE-2610 TV is provided by a switching power supply using FAN7602C microcircuits.
MainBoard - the main board (motherboard) is a module T.MS6M182.81B, using microchips MST6M182VS-LF-Z1, NT5TU32M16DG-AC, 5Q32BVS1G, IT6633E-P, TPA3110D2, and others.
The AFT7 / W130G tuner provides TV reception and channel tuning.

REPAIR / SERVICING TV DIGITAL DLE-2221

Technical description and composition of the DIGITAL DLE-2221 TV, type of panel and applicable modules. The composition of the modules.
DIGITAL LED
Model: DLE-2221
Chassis / Version: LA.M182VG.B3 1352
Panel: LTM215HT04
T-CON: LTM215HT04 S2LV0.1_HF
PWM LED driver: SAQ8818
Power Supply (PSU): Adapter 12V
MainBoard: LA.M182VG.B3 1352
IC MainBoard: MST6E182VG-LF-TZ, 25Q32BVS1G, YD1517P
Tuner: TNF903SHR-BF-1
DIGITAL LED
Model: DLE-2221
Chassis / Version: MST6M48V3.0-B
Panel: HT215F01-100
LED driver (backlight): SAQ8818 (IC1)
MainBoard: MST6M48V3.0-B
IC MainBoard: NT5TU32M16DG-AC, MX25L3206E, SA7454,
Tuner: AFT7 / W110G
Technical Specifications DLE-2221
DIGITAL DLE-2221
General repair guidelines for TV LCD LED
Possible manifestations of defects
- DIGITAL DLE-2221 does not turn on at all and does not show any signs of operability. Does not blink indicators and does not respond to control buttons.
In most of these cases, the main switching power supply is faulty. It is necessary to measure its secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke the excess of maximum current or voltage values. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound, it reacts to the remote control. Or the image appears when you turn it on and immediately disappears
A malfunction is usually most likely in these cases at the backlight nodes of the display matrix. The reason can be both in the power supply of the LEDs, in their serviceability (breakdown or breakage), as well as in the violation of the contact connections of the LED strips.
It should be remembered that it is not possible to determine the open circuit in the LED lines without disassembling the panels with a tester or multimeter without an additional device, for example, a current source. To open all PN junctions connected in series at once, a voltage of several tens of volts may be required. Then you need to open the panel and check separately each LED with a multimeter. If the capabilities of your multimeter do not allow you to open the LED in the forward direction or dual LEd are used, then the PN junction of the emergency zener diode can indirectly serve as a health indicator. In case of LED-a failure, the zener diode PN junction will either be cut off or broken into short-circuit.
- The indicator on the front panel blinks, the TV does not turn on in operating mode, it does not respond to the remote control.
Repair or diagnostics of the MST6M48V3.0-B motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). Often, the MB (SSB) card must be replaced in case of complex malfunctions that are difficult to detect. When trying to repair, you should check its elements - NT5TU32M16DG-AC, MX25L3206E, SA7454, and replace failed chips with new ones. Some malfunctions may be due to the use of BGA soldering technologies in modern Main Board technologies. Typically, such defects are detected by local heating of the chip.
Before replacing the AFT7 / W110G tuner, if there is no tuning for the channels, you must first check the software and the supply voltage at its terminals. It is also necessary to make sure that the tuner and processor can exchange data via the I2C bus

It should be remembered! Attempts to independently repair the DIGITAL DLE-2221 TV, in the absence of the necessary qualifications and experience, are categorically not recommended and are fraught with negative consequences, up to the complete non-repairability of the device!

Edge LED backlight, Diagonal of 22 inches (56 cm), Screen format 16: 9, Resolution 1920x1080, Support 1080p Full HD, Light-emitting diode (LED), Brightness 600 cd / m2, Dynamic contrast ratio 15000: 1, Viewing angle 178 °, Response time 4 ms pixel
Repair MainBoard
The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DLE-2221 device:
Installed matrix (LED panel) HT215F01-100.
The LED driver SAQ8818 (IC1) is used to power the backlight LEDs.
The required supply voltage for all nodes of the TV DIGITAL DLE-2221 provides a switching power supply.
MainBoard - main board (motherboard board) is a module MST6M48V3.0-B, using chips NT5TU32M16DG-AC, MX25L3206E, SA7454, and others.
The AFT7 / W110G tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: BOE
Model: HT215F01-100
Type: a-Si TFT-LCD, Panel
Diagonal size: 21.5 inch
Resolution: 1920x1080, FHD
Display Mode: TN, Normally White, Transmissive
Active Area: 476.64x268.11 mm
Surface: Antiglare (Haze 25%), Hard coating (3H)
Brightness: 250 cd / m²
Contrast Ratio: 1000: 1
Display Colors: 16.7M (6-bit + Hi-FRC), CIE1931 72%
Response Time: 1.5 / 3.5 (Tr / Td)
Frequency: 60Hz
Lamp Type: WLED Without Driver
Signal Interface: LVDS (2 ch, 8-bit), 30 pins
Voltage: 5.0V

REPAIR / SERVICING TV DIGITAL DLE-1922

Technical description and composition of the DIGITAL DLE-1922 TV, type of panel and applicable modules. The composition of the modules.
DIGITAL LED
Model: DLE-1922
Chassis / Version: MST6M48V3.0-B
Panel: HE185WX1-100
PWM LED driver: SAQ881
MainBoard: MST6M48V3.0-B
IC MainBoard: NT5TU32M16DG-AC, MX25L3206E, SA7454,
Tuner: AFT7 / W110G
Technical Specifications DLE-1922
DIGITAL DLE-1922
General repair guidelines for TV LCD LED
Possible malfunctions
- The DIGITAL DLE-1922 TV does not turn on. There are no signs of operability. The indicators on the front panel do not shine and do not blink, and the remote control and control buttons do not respond.
In such cases, the power supply is usually faulty. It is necessary to measure the secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the power elements of the primary circuit, the mains fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke the excess of maximum current or voltage values. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound and reaction to the remote control. Or for a second, the image may appear immediately after switching on.
As a rule, in such cases there is no display backlight. The reason for this may be a break in the LED circuit, or a problem in stabilizing their power supply.
To check the LED lines for breaks without disassembling the panel, for example, a current source will help. It is impossible to open series-connected PN junctions with a simple multimeter, a voltage of the order of several tens of volts is required.
- The indicator blinks or lights constantly, the TV does not turn on, does not respond to the remote control.
Repair or diagnostics of the MST6M48V3.0-B motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). Sophisticated MB board repair (SSB) is in some cases possible and practiced by repairmen. To do this, check and, if necessary, replace the elements NT5TU32M16DG-AC, MX25L3206E, SA7454,. BGA chip malfunctions are usually easy to detect by warming up.
AFT7 / W110G tuner malfunction is established after checking the software and all supply voltages at its terminals. The data exchange of the tuner with the processor via the I2C bus can be controlled by an oscilloscope.

Attention! For users and owners of DLE-1922 TVs who do not have the appropriate qualifications, knowledge and experience, we categorically do not recommend attempting self-repair in order to avoid negative consequences that could lead to complete non-repairability of the device.

Backlight Edge LED, Diagonal of 19 inches (48 cm), Screen format 16: 9, Resolution 1366x768, Support HD 720p, Brightness 600 cd / m2, Dynamic contrast ratio 15000: 1, Viewing angle 170 °, Pixel response time 4 ms
Repair MainBoard
The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DLE-1922 device:
Installed matrix (LED panel) HE185WX1-100.
A converter controlled by the SAQ881 PWM controller is used to power the backlight LEDs.
The required supply voltage for all nodes of the DIGITAL DLE-1922 TV is provided by a switching power supply.
MainBoard - the main board (motherboard) is an MST6M48V3.0-B module, using chips NT5TU32M16DG-AC, MX25L3206E, SA7454, and others.
The AFT7 / W110G tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: BOE
Model: HE185WX1-100
Type: a-Si TFT-LCD, CELL
Diagonal size: 18.5 inch
Resolution: 1366x768, WXGA
Display Mode: TN, Normally White, Transmissive
Active Area: 409.8x230.4 mm
Surface: Antiglare (Haze 25%), Hard coating (3H)
Transmissivity: 6.0% (with Polarizer)
Contrast Ratio: 1000: 1
Display Colors: 16.7M (6-bit + Hi-FRC)
Response Time: 1.5 / 3.5 (Tr / Td)
Frequency: 60Hz
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 5.0V

REPAIR / SERVICING TV DIGITAL DLE-1623

Technical description and composition of the DIGITAL DLE-1623 TV, type of panel and applicable modules. The composition of the modules.
DIGITAL LED
Model: DLE-1623
Chassis / Version: LA.M182VG.B3
Panel: LTN156AT05
Power Supply (PSU): Adapter 12V
MainBoard: LA.M182VG.B3 1352
IC MainBoard: MST6E182VG-LF-TZ, 25Q32BVS1G, YD1517P
Tuner: TNF903SHR-BF-1
Technical Specifications DLE-1623
DIGITAL DLE-1623
General repair guidelines for TV LCD LED
Possible malfunctions
- The DIGITAL DLE-1623 TV does not turn on. There are no signs of operability. The indicators on the front panel do not shine and do not blink, and the remote control and control buttons do not respond.
With such manifestations, in most cases, the power module is faulty. It is necessary to measure its secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
The breakdown of Mos-Fet keys used in pulsed sources is often caused by malfunctions of other elements, for example, power supply, frequency-setting, damper ... as well as elements of the Negative Stabilization Feedback. The PWM chip can also cause a malfunction of the power switch of the converter and is checked by replacement.
- There is no image, there is sound, it responds to the remote control. Or the image may appear for a second when turned on and immediately disappears.
In most of these cases, a malfunction is detected in the nodes and backlight elements of the LED panel. The reason can be both in the power supply of the LEDs, in their serviceability (breakdown or breakage), as well as in the violation of the contact connections of the LED strips.
It is impossible to check the line of series-connected LEDs without a special current source, and for this purpose it is not safe to use any voltage sources above 12V for them. Then it remains only to open the panel and check each LED separately. Usually, Chinese 9V-powered multimeters light up a single 3-volt LED, if you connect the probes in the forward direction, the red probe to the anode, and the black to the cathode. In dual 6-volt LEDs, the PN junction of its emergency zener diode can serve as an indicator of health. In the event of a LED malfunction, its zener diode will either be cut off or broken into short-circuit.
- The indicator on the front panel blinks, the TV does not turn on in operating mode, it does not respond to the remote control.

Repair or diagnostics of the TSUX6V5.1B motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). When repairing an MB board, you need to check its components TSUMV26KU-LF, EON25F40, 24C32, SA7454,. Defective items should be replaced. If chips with BGA soldering technology are used, a problem in its implementation is detected by the local heating of the chip.

AFT7 / W110G tuner malfunction is established after checking the software and all supply voltages at its terminals. The data exchange of the tuner with the processor via the I2C bus can be controlled by an oscilloscope.

Attention TV owners! Attempts to self-repair DIGITAL DLE-1623 are not recommended by the manufacturer and can lead to serious negative consequences!

LED backlight, 16-inch screen diagonal, HD Ready 1366x768 screen resolution, Brightness 400 cd / m2, Contrast ratio 15,000: 1, Matrix response time 4 ms.
There is a variant DLE-1623 with a panel LTN156AT17, lanes TSUX6V5.1B, tuner AFT7 / W110G, the composition of the lanes TSUMV26KU-LF, EON25F40, 24C32, SA7454 ...
Repair MainBoard
The appearance of MainBoard LA.M182VG.B3 is shown in the figure below:
LA.M182VG.B3
Main features of the DIGITAL DLE-1623 device:
Installed matrix (LED-panel) LTN156AT05.
To power all the internal components of the DIGITAL DLE-1623 TV, an external adapter 12V type source is used.
MainBoard - the main board (motherboard) is a LA.M182VG.B3 module, using microchips MST6E182VG-LF-TZ, 25Q32BVS1G, YD1517P and others.
The TNF903SHR-BF-1 tuner provides television reception and channel tuning.
Additional technical information about the panel:
Brand: SAMSUNG
Model: LTN156AT05-J08
Type: a-Si TFT-LCD, Panel
Diagonal size: 15.6 inch
Resolution: 1366x768, WXGA
Display Mode: TN, Normally White, Transmissive
Active Area: 344.232x193.536 mm
Shape Style: Wedge (PCBA Bent, Depth? 5.2mm)
Display Colors: 262K (6-bit)
Frequency: 60Hz
Lamp Type: WLED
Signal Interface: LVDS (1 ch, 6-bit)

REPAIR / SERVICING TV DIGITAL DLE-1621

Technical description and composition of the DIGITAL DLE-1621 TV, type of panel and applicable modules. The composition of the modules.
DIGITAL LED
Model: DLE-1621
Chassis / Version: TSUX6V5.1-B
Panel: LTN156AT17
Power Supply (PSU): Adapter
MainBoard: TSUX6V5.1-B
IC MainBoard: TSUMV26KU-LF A6MH393B, 24C32, EN25F40-100GCP, SA7454
Tuner: AFT7 / W110G
Technical Specifications DLE-1621
DIGITAL DLE-1621
General repair guidelines for TV LCD LED
Possible malfunctions
- The DIGITAL DLE-1621 TV does not turn on at all. There is no reaction to the remote control or to the control buttons from the front panel. Indicator lights do not light or flash.
Failure in such cases should be sought in the adapter power supply circuits.
The external adapter power supply is not always subject to repair, especially since the owner can purchase it independently. But, in some cases, it makes sense to open it and eliminate the simple typical defects inherent in converters in pulsed sources. It is necessary to measure its secondary output voltage, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke the excess of maximum current or voltage values. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, there is sound, it responds to the remote control, the channels are switched. In some cases, the image appears when you turn on and immediately disappears.
In most cases, the malfunction is caused by the lack of a backlight display. The reason can be both in the power supply of the LEDs, in their serviceability (breakdown or breakage), as well as in the violation of the contact connections of the LED strips.
To check the LED lines for breaks without disassembling the panel, for example, a current source will help. It is impossible to open series-connected PN junctions with a simple multimeter, a voltage of the order of several tens of volts is required.
- The indicator on the front panel blinks, the TV does not turn on in operating mode, it does not respond to the remote control.
Repair or diagnostics of the TSUX6V5.1-B motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). In cases of attempts to repair the MB (SSB) board, it is necessary to check the health of its elements - TSUMV26KU-LF A6MH393B, 24C32, EN25F40-100GCP, SA7454 which may require replacement with new ones. If a BGA processor is installed, there is a possibility of a violation of the soldering of the contacts of its conclusions with the board (it is diagnosed by heating).
Before changing the AFT7 / W110G tuner, if it is not possible to tune to television channels, make sure that there are supply voltages that must be measured at the corresponding tuner pins and check the software for correctness. The pulses of the data exchange of the tuner with the processor can be controlled by an oscilloscope

It should be remembered! Attempts to independently repair the DIGITAL DLE-1621 TV, in the absence of the necessary qualifications and experience, are categorically not recommended and are fraught with negative consequences, up to the complete non-repairability of the device!

Backlight Edge LED, Diagonal of 16 inches (41 cm), Aspect ratio 16: 9, Resolution 1366x768, Support HD 720p, Brightness 400 cd / m2, Dynamic contrast 15000: 1, Viewing angle 170 °, Response time 4 ms
Main features of the DIGITAL DLE-1621 device:
Installed matrix (LED panel) LTN156AT17.
To power all internal nodes of the DIGITAL DLE-1621 TV, an external adapter type source is used.
MainBoard - the main board (motherboard) is a TSUX6V5.1-B module, using TSUMV26KU-LF A6MH393B, 24C32, EN25F40-100GCP, SA7454, and others microcircuits.
The AFT7 / W110G tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: SAMSUNG
Model: LTN156AT17-103
Type: a-Si TFT-LCD, Panel
Diagonal size: 15.6 inch
Resolution: 1366x768, WXGA
Display Mode: TN, Normally White, Transmissive
Active Area: 344.232x193.536 mm
Shape Style: Wedge (PCBA Bent, Depth? 5.2mm)
Surface: Hard coating (3H)
Brightness: 220 cd / m²
Contrast Ratio: 500: 1 (Min.)
Display Colors: 262K (6-bit), CIE1931 60%
Response Time: 16 (Tr + Td)
Frequency: 60Hz
Lamp Type: 9S4P WLED Embedded (LED Driver)
Signal Interface: LVDS (1 ch, 6-bit), 40 pins
Voltage: 3.3V

REPAIR / SERVICING TV DIGITAL DL-42K6E

Technical description and composition of the DIGITAL DL-42K6E TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-42K6E
Chassis / Version: ME4206L0063
Panel: 42 inch
Mainboard: ME4206L0063
IC MainBoard: VCT49X3F F2 000, MST6151DA-LF, K4D263238I-UC50, 24C32, 24C16, CXA2069Q
Tuner: TAEW-G053D
Appearance
DIGITAL DL-42K6E
General recommendations for repairing TV LCD
Possible malfunctions
- DIGITAL DL-42K6E does not turn on, the indicators on the front panel do not light or flash. The TV does not respond to the control buttons and the remote control.
In such cases, the fault should be sought first in the power module. It is necessary to measure the secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke the excess of maximum current or voltage values. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, there is sound, it responds to the remote control, the channels are switched. In some cases, the image appears when you turn on and immediately disappears.
These manifestations can be triggered by the power module, or by inverter defects, as well as by the distortion of the currents in the lamps due to their uneven wear. If all the electrolytic capacitors of the filter according to the inverter power supply are serviceable, you should make sure that the lamps are in good working condition, then you need to check the converter keys and the secondary windings of the transformers.
If in diagnosing a malfunction, it is necessary to disable the inverter protection, there is a risk of failure of the power elements of the inverter, and special care is required during work, and after they are finished, it is necessary to restore the protection circuits for further safe operation of the TV by the owner in normal mode.
- The indicator on the front panel blinks, the TV does not turn on in operating mode, it does not respond to the remote control.
Repair or diagnostics of the ME4206L0063 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). In some cases, to repair the MB (SSB) board, it may be necessary to replace the chips - VCT49X3F F2 000, MST6151DA-LF, K4D263238I-UC50, 24C32, 24C16, CXA2069Q with new or obviously working ones. In cases where BGA technologies are used, defects are usually localized by the heating method.
Before changing the tuner TAEW-G053D, if there is no possibility of tuning to television channels, you should make sure that there are supply voltages that must be measured at the corresponding terminals of the tuner and check the software for correctness. The pulses of the data exchange of the tuner with the processor can be controlled by an oscilloscope

Attention to users! Self-repair of a DIGITAL DL-42K6E TV without the appropriate qualifications and the necessary experience can lead to its complete non-repairability!

Display diagonal: 42 inches, TFT LCD, Aspect ratio: 16: 9, 1366х768, НD Ready: 720p, Brightness: 500 cd / m2, Contrast: 1000: 1, Viewing angle: 178 °,
Main features of the DIGITAL DL-42K6E device:
Installed matrix (LCD-panel) 42 inches.
The required supply voltage for all nodes of the TV DIGITAL DL-42K6E provides a switching power supply.
MainBoard - the main board (motherboard) is a ME4206L0063 module, using VCT49X3F F2 000, MST6151DA-LF, K4D263238I-UC50, 24C32, 24C16, CXA2069Q and other chips.
The TAEW-G053D tuner provides TV reception and channel tuning.

REPAIR / SERVICING TV DIGITAL DL-37J86

Technical description and composition of the DIGITAL DL-37J86 TV, panel type and applicable modules. The composition of the modules.
Digital
Model: DL-37J86
Chassis / Version: JPE MT8201A 070319
Panel: T370XW01 V.1
MainBoard: JPE MT8201A 070319
IC MainBoard: MT8201A MX29LV160CBTC HY5DU281622FTP MT8293AE CE 2816 A83019 15102NP 745109
Tuner: ET-6BE-F25
Technical Specifications DL-37J86
DIGITAL DL-37J86
General recommendations for repairing TV LCD
Possible manifestations of defects
- The DIGITAL DL-37J86 TV does not turn on, does not respond to the remote control and the control panel buttons, and does not blink with any indicators.
Failure in such cases should be sought in the power supply circuits. It is necessary to measure its secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke the excess of maximum current or voltage values. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound and reaction to commands from the remote control. Or the image appears immediately after turning on and disappears.
The defect can be caused by problems in the nodes or elements of the backlight of the display, or in the power supply of the lamps or inverter. If all the electrolytic capacitors of the filter according to the power supply of the inverter are working, make sure that the lamps are working, then you need to check the converter keys and the secondary windings of the transformers.
If in diagnosing a malfunction, it is necessary to disable the inverter protection, there is a risk of failure of the power elements of the inverter, and special care is required during work, and after they are finished, it is necessary to restore the protection circuits for further safe operation of the TV by the owner in normal mode.
- The TV does not turn on, does not respond to the remote control. The indicator blinks or signals standby mode.
Repair or diagnostics of the JPE motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). In cases of complex repairs of MB (SSB) and with the necessary skills and equipment, it may sometimes be necessary to replace its MT8201A MX29LV160CBTC HY5DU281622FTP MT8293AE CE 2816 A83019 15102NP 745109 chips and other possible malfunctioning components. Malfunctions associated with the application of BGA soldering technologies are usually easily diagnosed by the heating method.
Before replacing the ET-6BE-F25 tuner, if there is no tuning for the channels, you must first check the software and the supply voltage at its terminals. It is also necessary to make sure that the tuner and processor can exchange data via the I2C bus

Attention to users! Self-repair of a DIGITAL DL-37J86 TV without the appropriate qualifications and necessary experience can lead to its complete non-repairability!

Diagonal 37 "(94 cm), 16: 9, Resolution 1366x768, Support HD 720p HD, Brightness 500 cd / m2, Contrast 1500: 1, Viewing angle 178 °
Main features of the DIGITAL DL-37J86 device:
Installed matrix (LCD panel) T370XW01 V.1.
The required supply voltage for all nodes of the TV DIGITAL DL-37J86 provides a switching power supply.
MainBoard - the main board (motherboard) is a JPE module using MT8201A MX29LV160CBTC HY5DU281622FTP MT8293AE CE 2816 A83019 15102NP 745109 chips and others.
The ET-6BE-F25 tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: AUO
Model: T370XW01 V1
Type: a-Si TFT-LCD, Panel
Diagonal size: 37 inch
Resolution: 1366x768, WXGA
Display Mode: AMVA, Normally Black, Transmissive
Active Area: 819.6x460.8 mm
Surface: Antiglare, Hard coating (3H)
Brightness: 500 cd / m²
Contrast Ratio: 1000: 1
Display Colors: 16.7M (8-bit)
Response Time: 15/5 (Tr / Td); 8 (G to G)
Frequency: 60Hz
Lamp Type: CCFL Embedded (Inverter)
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 12.0V

REPAIR / SERVICING TV DIGITAL DL-32J82

Technical description and composition of the DIGITAL DL-32J82 TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-32J82
Chassis / Version: JPE-MST718 MODEL: S7
Panel: T315XW02
Power Supply (PSU): GPVP223UG01 VER4.0
PWM Power: DH321
MainBoard: JPE-MST718 MODEL: S7
IC MainBoard: MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517
Tuner: ET-5C511-BS1C
Technical Specifications DL-32J82
DIGITAL DL-32J82
General recommendations for repairing TV LCD
Possible malfunctions
- The DIGITAL DL-32J82 TV does not turn on. There are no signs of operability. The indicators on the front panel do not shine and do not blink, and the remote control and control buttons do not respond.
In the vast majority of such cases, a malfunction is detected in the power module. It is necessary to measure the secondary output voltage, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
The breakdown of Mos-Fet keys used in pulsed sources is often caused by malfunctions of other elements, for example, power supply, frequency-setting, damper ... as well as elements of the Negative Stabilization Feedback. The PWM chip can also cause a malfunction of the power switch of the converter and is checked by replacement.
- There is no image, but there is sound, it reacts to the remote control. Or the image appears when you turn it on and immediately disappears
These manifestations can be triggered by the power module, or by inverter defects, as well as by the distortion of the currents in the lamps due to their uneven wear. If all the electrolytic capacitors of the filter according to the inverter power supply are serviceable, you should make sure that the lamps are in good working condition, then you need to check the converter keys and the secondary windings of the transformers.
Sometimes, for diagnostic purposes, it is necessary to disable the inverter protection. In such cases, special care must be taken during work, and the protection circuits should be restored immediately after the repair is completed.
- The indicator blinks or lights constantly, the TV does not turn on, does not respond to the remote control.
Repair or diagnostics of the JPE-MST718 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). Complex repair of MB (SSB) is possible only in the conditions of a service center with the necessary equipment. Testing or replacing elements MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517 requires the necessary training and professional skills in repairing modules at the component level. Problems associated with the use of BGA soldering technologies can sometimes be diagnosed by warming up.
In the absence of tuning to the channels of on-air or cable television, you should make sure that the software is correct, as well as in accordance with the ratings of the supply voltage at the terminals of the tuner ET-5C511-BS1C. It is also necessary to check the presence of pulses of data exchange between the tuner and the processor via the I2C bus using an oscilloscope.

TV users and owners need to remember that attempts to self-repair a DIGITAL DL-32J82 TV without the appropriate qualifications and necessary experience can lead to serious negative consequences!

Diagonal 32 inches (81 cm), 16: 9, Resolution 1366x768, Support HD 720p, Brightness 500 cd / m2, Contrast ratio 1200: 1, Viewing angle 178 °
The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DL-32J82 device:
Installed matrix (LCD-panel) T315XW02.

The necessary supply voltages for all nodes of the DIGITAL DL-32J82 TV are generated by the GPVP223UG01 power module, or its analogs using DH321 microcircuits.
MainBoard - the main board (motherboard) is a module JPE-MST718, using chips MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517 and others.
The ET-5C511-BS1C tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: AUO
Model: T315XW02 VU
Type: a-Si TFT-LCD, Panel
Diagonal size: 31.5 inch
Resolution: 1366x768, WXGA
Display Mode: AMVA, Normally Black, Transmissive
Active Area: 697.685x392.256 mm
Surface: Antiglare (Haze 11%), Hard coating (3H)
Brightness: 400 cd / m²
Contrast Ratio: 3000: 1
Display Colors: 16.7M (8-bit), CIE1931 72%
Response Time: 6.5 (G to G)
Frequency: 60Hz
Lamp Type: 4 pcs CCFL Without Driver
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 12.0V

REPAIR / SERVICING TV DIGITAL DL-26J82

Technical description and composition of the DIGITAL DL-26J82 TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-26J82
Chassis / Version: JPE-MST718 MODEL: S7
Panel: T260XW02
Power Supply (PSU): PSU and Mine are the same as 32
MainBoard: JPE-MST718 MODEL: S7
IC MainBoard: MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517
Tuner: ET-5C511-BS1C
Technical Specifications DL-26J82
DIGITAL DL-26J82
General recommendations for repairing TV LCD
Possible malfunctions
- The DIGITAL DL-26J82 TV does not turn on, does not respond to the remote control and the control panel buttons, the indicators do not light or flash.
Typically, with such manifestations, the defect is caused by faulty elements in the main power supply module of the PSU. In the absence of the necessary supply voltages in the secondary circuits of the converters, it is necessary first of all to check the power switches and rectifier diodes for a possible partial or complete breakdown.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the power elements of the primary circuit, the mains fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke the excess of maximum current or voltage values. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound and reaction to commands from the remote control. Or the image appears immediately after turning on and disappears.
The defect can be caused by problems in the nodes or elements of the backlight of the display, or in the power supply of the lamps or the inverter.After checking all the electrolytic capacitors of the filters that are involved in the power supply of the inverter, you must ring in its converter power keys for breakdown and secondary windings of transformers for an open.
Sometimes, for diagnostic purposes, it is necessary to disable the inverter protection. In such cases, special care must be taken during work, and the protection circuits should be restored immediately after the repair is completed.
- The TV does not turn on, does not respond to the remote control. The indicator blinks or signals standby mode.
Repair or diagnostics of the JPE-MST718 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). When repairing an MB board, you need to check its components MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517. Defective items should be replaced. If chips with BGA soldering technology are used, a problem in its implementation is detected by the local heating of the chip.
If there is no reception of television channels, but the TV is working properly from external devices, first of all it is necessary to check the voltage of the tuner ET-5C511-BS1C and update the software. The pulses from the I2C bus must be controlled with an oscilloscope.

TV users and owners must remember that attempts to self-repair a DIGITAL DL-26J82 TV without the appropriate qualifications and necessary experience can lead to serious negative consequences!

Diagonal 26 inches (66 cm), 16: 9, Resolution 1024x768, Support HD 720p, Brightness 500 cd / m2, Contrast ratio 1200: 1, Viewing angle 178 °

The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DL-26J82 device:
Installed matrix (LCD panel) T260XW02.
The formation of the necessary supply voltages for all nodes of the DIGITAL DL-26J82 TV is carried out by the PSU power supply module, or its analogues.
MainBoard - the main board (motherboard) is a module JPE-MST718, using chips MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517 and others.
The ET-5C511-BS1C tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: AUO
Model: T260XW02 V6
Type: a-Si TFT-LCD, Panel
Diagonal size: 26.0 inch
Resolution: 1366x768, WXGA
Display Mode: AMVA, Normally Black, Transmissive
Active Area: 575.769x323.712 mm
Surface: Antiglare, Hard coating (3H)
Brightness: 500 cd / m²
Contrast Ratio: 1200: 1
Display Colors: 16.7M (8-bit)
Response Time: 15/5 (Tr / Td); 8 (G to G)
Frequency: 60Hz
Lamp Type: 6 pcs CCFL Embedded (Inverter)
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 5.0V

REPAIR / SERVICING TV DIGITAL DL-20J85

Technical description and composition of the DIGITAL DL-20J85 TV, panel type and applicable modules. The composition of the modules.
Digital
Model: DL-20J85
Chassis / Version: JPE-MST718 MODEL: S7
Panel: M201EW02
Lamp backlight: 4 Lamp CCFL
Inverter (backlight): 12V 4 Lamp CCFL
MainBoard: JPE-MST718
IC MainBoard: MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517
Tuner: ET-5C511-BS1C
Technical Specifications DL-20J85
DIGITAL DL-20J85
General recommendations for repairing TV LCD
Possible manifestations of defects
- DIGITAL DL-20J85 does not turn on at all and does not show any signs of operability. Does not blink indicators and does not respond to control buttons.
With such manifestations, in most cases, the power module is faulty. In the absence of the necessary supply voltages in the secondary circuits of the converters, it is necessary first of all to check the power switches and rectifier diodes for a possible partial or complete breakdown.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the elements of the primary circuit, the main fuse usually breaks.
The breakdown of Mos-Fet keys used in pulsed sources is often caused by malfunctions of other elements, for example, power supply, frequency-setting, damper ... as well as elements of the Negative Stabilization Feedback. The PWM chip can also cause a malfunction of the power switch of the converter and is checked by replacement.
- There is no image, there is sound, it responds to the remote control, the channels are switched. In some cases, the image appears when you turn on and immediately disappears.
These manifestations can be triggered by the power module, or by inverter defects, as well as by the distortion of the currents in the lamps due to their uneven wear. After checking all the electrolytic capacitors of the filters that are involved in the power supply of the inverter, it is necessary to ring in its converter the power switches for breakdown and the secondary windings of the transformers for an open.
Sometimes, for diagnostic purposes, it is necessary to disable the inverter protection. In such cases, special care must be taken during work, and the protection circuits should be restored immediately after the repair is completed.
- The TV does not turn on, does not respond to the remote control. The indicator blinks or signals standby mode.
Repair or diagnostics of the JPE-MST718 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). Complex repair of MB (SSB) is possible only in the conditions of a service center with the necessary equipment. Testing or replacing elements MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517 requires the necessary training and professional skills in repairing modules at the component level. Problems associated with the use of BGA soldering technologies can sometimes be diagnosed by warming up.
Before changing the tuner ET-5C511-BS1C, if it is not possible to tune to television channels, make sure that there are supply voltages that must be measured at the corresponding terminals of the tuner and check the software for correctness. The pulses of the data exchange of the tuner with the processor can be controlled by an oscilloscope

It should be remembered! Attempts to independently repair the DIGITAL DL-20J85 TV, in the absence of the necessary qualifications and experience, are categorically not recommended and are fraught with negative consequences, up to the complete non-repairability of the device!

Diagonal of 20 inches, 16: 9, Resolution 1024x768, Support HD 720p, Brightness 500 cd / m2, Contrast 800: 1, Viewing angle 178 °

 The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DL-20J85 device:
Installed matrix (LCD-panel) M201EW02.
A 12V inverter is used to power the backlight.
The required supply voltage for all nodes of the TV DIGITAL DL-20J85 provides a switching power supply.
MainBoard - the main board (motherboard) is a module JPE-MST718, using chips MST718BU-LF PS25LV020 SC7314S TDA9886TS TDA1517 and others.
The ET-5C511-BS1C tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: AUO
Model: M201EW02 VG
Type: a-Si TFT-LCD, Panel
Diagonal size: 20.1 inch
Resolution: 1680x1050, WSXGA +
Display Mode: TN, Normally White, Transmissive
Active Area: 433.44x270.9 mm
Contrast Ratio: 1000: 1
Display Colors: 16.7M (6-bit + Hi-FRC)
Frequency: 60Hz
Signal Interface: LVDS (2 ch, 8-bit)

REPAIR / SERVICING TV DIGITAL DL-20J80

Technical description and composition of the DIGITAL DL-20J80 TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-20J80
Chassis / Version: JPE-MST718
Panel: SVA201VG01TB
Lamp backlight: 6 Lamp CCFL
Inverter (backlight): 6 Lamp CCFL
MainBoard: JPE-MST718
IC MainBoard: MST718BU-LF, PS25LV020, AT24C32, TDA7496, TDA9886TS
Tuner: ET-5C511-BS1A
Technical Specifications DL-20J80
DIGITAL DL-20J80
General recommendations for repairing TV LCD
Possible malfunctions
- The DIGITAL DL-20J80 TV does not turn on, does not respond to the remote control and the control panel buttons, the indicators do not light up and do not blink.
With such manifestations, in most cases, the power module is faulty. It is necessary to measure the output voltages in the secondary circuits, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during a short circuit in the elements of the primary circuit, the mains fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke an excess of the maximum current or voltage. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, there is sound, it is responding to the remote control. Or immediately after turning on for a second, the image may appear and immediately disappear.
These manifestations can be triggered by a power module, or by defects in the inverter, as well as a distortion of the currents in the lamps due to their uneven wear. If all the electrolytic capacitors of the filter according to the inverter power supply are serviceable, you should make sure that the lamps are working, then you need to check the converter keys and the secondary windings of the transformers.
Sometimes, for diagnostic purposes, it is necessary to disable the inverter protection. In such cases, special care must be taken during work, and the protection circuits should be restored immediately after the repair is completed.
- The TV does not turn on, does not respond to the remote control. The indicator blinks or signals standby mode.
Repair or diagnostics of the JPE-MST718 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). In some cases, to repair the MB (SSB) board, it may be necessary to replace the chips - MST718BU-LF, PS25LV020, AT24C32, TDA7496, TDA9886TS with new or obviously working ones. In cases where BGA technologies are used, defects are usually localized by the heating method.
If there is no reception of television channels, but the TV is working properly from external devices, first of all you need to check the voltage of the tuner ET-5C511-BS1A and update the software. The pulses from the I2C bus must be controlled with an oscilloscope.

Attention! For users and owners of DL-20J80 televisions who do not have the appropriate qualifications, knowledge and experience, we strongly do not recommend attempting self-repair in order to avoid negative consequences that could lead to complete non-repairability of the device.

Diagonal of 20 inches, 4: 3, Resolution 1024x768, Support HD 720p, Brightness 500 cd / m2, Contrast 800: 1, Viewing angle 178 °
Repair MainBoard
The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DL-20J80 device:
Installed matrix (LCD panel) SVA201VG01TB.
An inverter 6 is used to power the backlight.
The required supply voltage for all nodes of the DIGITAL DL-20J80 TV provides a switching power supply.
MainBoard - the main board (motherboard) is a JPE-MST718 module, using chips MST718BU-LF, PS25LV020, AT24C32, TDA7496, TDA9886TS and others.
The ET-5C511-BS1A tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: SVA-NEC
Model: SVA201VG01TB
Type: a-Si TFT-LCD, Panel
Diagonal size: 20.1 inch
Resolution: 640x480, VGA
Display Mode: TN, Normally White, Transmissive
Active Area: 408x306 mm
Surface: Antiglare, Hard coating (3H)
Brightness: 500 cd / m²
Contrast Ratio: 450: 1
Display Colors: 16.7M (6-bit + Hi-FRC), CIE1931 72%
Response Time: 8 (Tr + Td)
Frequency: 60Hz
Lamp Type: 6 pcs CCFL Without Driver
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 5.0V

REPAIR / SERVICING TV DIGITAL DL-20C2

Technical description and composition of the DIGITAL DL-20C2 TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-20C2
Chassis / Version: PLHM0
Panel: 20 inch
Lamp backlight: 6 Lamp CCFL
Inverter (backlight): AT-6201LGP
PWM Inverter: BIT3105
MOSFET Inverter: 4501GM
Power Supply (PSU): Adapter 12V
Mainboard: PLHM0
IC MainBoard: TDA9567H / N3 / 5, MTL015F, MSP3410G B8 V3, TDA9181T 6161F, 24C16, 6161F, TDA7268ZA
Tuner: PLCT01 - LT201CC / LTW17AD
Control: RR3600B
Appearance
DIGITAL DL-20C2
General recommendations for repairing TV LCD
Possible malfunctions
- The DIGITAL DL-20C2 TV does not turn on, does not respond to the remote control and the control panel buttons, and does not blink with any indicators.
In such cases, the fault should be sought first in the Adapter power module.
The owner of the TV can purchase an external power supply unit such as Adapter and repairing it is not always advisable. In any case, the simplest typical defects characteristic of most IIP schemes can be easily detected and eliminated after opening. It is necessary to measure its secondary output voltages, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during a short circuit in the elements of the primary circuit, the mains fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke an excess of the maximum current or voltage. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound and reaction to commands from the remote control. Or the image appears immediately after turning on and disappears.
These manifestations can be triggered by a power module, or by defects in the inverter, as well as a distortion of the currents in the lamps due to their uneven wear. After checking all the electrolytic capacitors of the filters that are involved in the power supply of the inverter, it is necessary to ring in its converter the power switches for breakdown and the secondary windings of the transformers for an open.
Sometimes, for diagnostic purposes, it is necessary to disable the inverter protection. In such cases, special care must be taken during work, and the protection circuits should be restored immediately after the repair is completed.
- The TV does not enter the operating mode, does not respond to the remote control. The indicator on the front panel lights constantly or blinks.
Repair or diagnostics of the MAIN_PCB motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). Often, the MB (SSB) card must be replaced in case of complex malfunctions that are difficult to detect. When trying to repair, you should check its elements - TDA9567H / N3 / 5, MTL015F, MSP3410G B8 V3, TDA9181T 6161F, 24C16, 6161F, TDA7268ZA and replace failed chips with new ones. Some malfunctions may be due to the use of BGA soldering technologies in modern Main Board technologies. Typically, such defects are detected by local heating of the chip.
If the TV works normally from external devices, but does not tune into television channels, the tuner PLCT01 - LT201CC / LTW17AD may be malfunctioning. In such cases, first of all, you should make sure that there are supply voltages at its corresponding conclusions. It is also necessary to make sure that the tuner and processor can exchange data via the I2C bus. Sometimes the cause of the inoperability of the tuner may be a software failure.
Attention TV owners! Attempts at self-repair of DIGITAL DL-20C2 are not recommended by the manufacturer and can lead to serious negative consequences!
Main features of the DIGITAL DL-20C2 device:
Installed matrix (LCD-panel) 20 inches.
An AT-6201LGP inverter is used to power the backlight, controlled by a BIT3105 PWM controller. As power elements of the inverter, keys of the type 4501GM are used.
To power all internal nodes of the DIGITAL DL-20C2 TV, an external adapter 12V type is used.
MainBoard - the main board (motherboard) is a PLHM0 module, using TDA9567H / N3 / 5, MTL015F, MSP3410G B8 V3, TDA9181T 6161F, 24C16, 6161F, TDA7268ZA and others.
Tuner PLCT01 - LT201CC / LTW17AD provides the reception of television programs and tuning to channels.
Information from an alternative source:
TFT LCD DIGITAL DL-20C2
Motherboard :, CPU - TDA9567H / N3 / 5, ce4979, ce7584, Memory - 24С16 (starts with any firmware - first it turns on the STBY mode, and then after 10 seconds it turns on), IC201 - MTL015F, IC601 - MSP3410G B8 V3, IC502 - TDA9181T,IC181 - 6161F, IC62 - TDA7268ZA, Connector Р1903 - on the 4th leg (sel), + 5v comes to start the inverter
Invertor :,IC1 BIT3105, Q1-Q4 - 4501GM, D7,10,11,12,13 - M5C, D6,7,8,15,17,18 - 5D, Q5,6 - 1p, Q7-Q12 - A8C,RESISTORS - R681,682,805 - 5.6ohm

REPAIR / SERVICING TV DIGITAL DL-16JT89

Technical description and composition of the DIGITAL DL-16JT89 TV, panel type and applicable modules. The composition of the modules.
DIGITAL 1 LAMP CCFL
Model: DL-16JT89
Chassis / Version: RC719DU-F10
Panel: LTN156AT01
Inverter (backlight): 12V 1 LAMP CCFL
MainBoard: RC719DU-F10
IC MainBoard: TDA1517P, TDA9885TS, PT2314, EON25F40
Tuner: CDT-3FP212-30
Technical Specifications DL-16JT89
DIGITAL DL-16JT89
General repair instructions for TV LCD 1 LAMP CCFL
Possible malfunctions
- The DIGITAL DL-16JT89 TV does not turn on and does not show any signs of operability at all. There is no reaction to either the remote control or the front panel control buttons.
Often in such cases, the power module is faulty. It is necessary to verify the presence of secondary voltages and, if they are absent, check the power switches and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during short circuit in the power elements of the primary circuit, the mains fuse usually breaks.
The breakdown of Mos-Fet keys used in pulsed sources is often caused by malfunctions of other elements, for example, power supply, frequency-setting, damper ... as well as elements of the Negative Stabilization Feedback. The PWM chip can also cause a malfunction of the power switch of the converter and is checked by replacement.
- There is no image, there is sound, it responds to the remote control. Or the image may appear for a second when turned on and immediately disappears.
The defect can be caused by problems in the nodes or elements of the backlight of the display, or in the power supply of the lamps or the inverter.After checking all the electrolytic capacitors of the filters that are involved in the power supply to the inverter, you must ring in its converter power keys for breakdown and secondary windings of transformers for an open.
If in diagnosing a malfunction, it is necessary to disable the inverter protection, there is a risk of failure of the power elements of the inverter, and special care is required during work, and after they are finished, it is necessary to restore the protection circuits for further safe operation of the TV by the owner in normal mode.
- The TV does not enter the operating mode, does not respond to the remote control. The indicator on the front panel lights constantly or blinks.
Repair or diagnostics of the RC719DU-F10 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). In cases of attempts to repair the MB board (SSB), it is necessary to check the health of its elements - TDA1517P, TDA9885TS, PT2314, EON25F40 which may require replacement with new ones. If a BGA processor is installed, there is a possibility of a violation of the soldering of the contacts of its conclusions with the board (it is diagnosed by heating).
Before changing the tuner CDT-3FP212-30, if there is no possibility of tuning to television channels, you should make sure that there are supply voltages that must be measured at the corresponding terminals of the tuner and check the software for correctness. The pulses of the data exchange of the tuner with the processor can be controlled by an oscilloscope

Once again, remind users! Attempts to self-repair a DIGITAL DL-16JT89 TV without the appropriate qualifications and necessary experience can lead to its complete non-repairability!

Diagonal of 16 inches, 16: 9, Resolution 1024x768, Support HD 720p, Brightness 500 cd / m2, Viewing angle 178 °
Repair MainBoard
The appearance of the MainBoard RC719DU-F10 is shown in the figure below:
RC719DU-F10
RC719DU-F10 can be used in TVs:
DIGITAL DL-16JT89 (Panel LTN156AT01), ERISSON 22LDJ08 (Panel LM220WE1), ERISSON 15LJ18 (Panel HT150X02-100).
Main features of the DIGITAL DL-16JT89 device:
Installed matrix (1 LAMP CCFL panel) LTN156AT01.
A 12V inverter is used to power the backlight LEDs.
The required supply voltage for all nodes of the TV DIGITAL DL-16JT89 provides a switching power supply.
MainBoard - the main board (motherboard) is an RC719DU-F10 module, using TDA1517P, TDA9885TS, PT2314, EON25F40 and other chips.
The tuner CDT-3FP212-30 provides the reception of television programs and tuning to channels.
Additional technical information about the panel:
Brand: SAMSUNG
Model: LTN156AT01-W01
Type: a-Si TFT-LCD, Panel
Diagonal size: 15.6 inch
Resolution: 1366x768, WXGA
Active Area: 344.232x193.536 mm
Shape Style: Wedge (PCBA Bent, Depth? 5.2mm)
Display Colors: 262K (6-bit)
Frequency: 60Hz
Lamp Type: 1 pcs CCFL
Signal Interface: LVDS (1 ch, 6-bit)

REPAIR / SERVICING TV DIGITAL DL-15S10

Technical description and composition of the DIGITAL DL-15S10 TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-15S10
Chassis / Version: MST182VG V5.0
Panel: LQ150X1LGC2
Lamp backlight: 4 Lamp CCFL
Inverter (backlight): LK-IN220417A (W)
PWM Inverter: OB3302CP
Power Supply (PSU): Adapter 12V
MainBoard: MST182VG V5.0
IC MainBoard: SPI Flash: cFeon 25Q32B; SOUND: UTC1517P;
Tuner: CDT-3SP5I2-36
Technical Specifications DL-15S10
DIGITAL DL-15S10
General recommendations for repairing TV LCD
Possible malfunctions
- The DIGITAL DL-15S10 TV does not turn on and does not show any signs of operability at all. There is no reaction to either the remote control or the front panel control buttons.
In most of these cases, the main switching power supply is faulty. In the absence of the necessary supply voltages in the secondary circuits of the converters, it is necessary first of all to check the power switches and rectifier diodes for a possible partial or complete breakdown.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during a short circuit in the elements of the primary circuit, the mains fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke an excess of the maximum current or voltage. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound and reaction to commands from the remote control. Or the image appears immediately after turning on and disappears.
These manifestations can be triggered by a power module, or by defects in the inverter, as well as a distortion of the currents in the lamps due to their uneven wear. After checking all the electrolytic capacitors of the filters that are involved in the power supply of the inverter, it is necessary to ring in its converter the power switches for breakdown and the secondary windings of the transformers for an open.
If in diagnosing a malfunction, it is necessary to disable the inverter protection, there is a risk of failure of the power elements of the inverter, and special care is required during work, and after they are finished, it is necessary to restore the protection circuits for further safe operation of the TV by the owner in normal mode.
- The indicator on the front panel blinks, the TV does not turn on in the operating mode, it does not respond to the remote control.
Repair or diagnostics of the B.PT361G motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). The board is repaired and the NT68625MFG-128, 24C16, SC7313S, TEA2025B, TB1334FG microchips are replaced with the necessary equipment and the corresponding components. Faults associated with the application of BGA processor soldering technologies can be localized by the heating method.
If the TV works normally from external devices, but does not tune into television channels, the tuner ET-6T1E-LF-108W-A may be malfunctioning. In such cases, first of all, you should make sure that there are supply voltages at its corresponding conclusions. It is also necessary to make sure that the tuner and processor can exchange data via the I2C bus. Sometimes the cause of the inoperability of the tuner may be a software failure.

TV users and owners must remember that attempts to self-repair a DIGITAL DL-15S10 TV without the appropriate qualifications and necessary experience can lead to serious negative consequences!

FIRMWARE FOR SPI FLASH  ----------->   Digital DL-15S10, Main: MST182VG V5.0, Panel: LQ150X1LGC2

SCHEMATIC DIAGRAM  / SERVICE MANUAL   ------------------>    LK-IN220417A

 There is a version of DIGITAL DL-15S10 with a panel: LTA150XH-L06, MainBoard: B.PT361G, consisting of lanes: Tuner: ET-6T1E-LF-108W-A, processor NT68625MFG-128, EEPROM 24C16, Audio TEA2025B


Repair MainBoard
The appearance of the MainBoard MST182VG is shown in the figure below:
MST182VG
MST182VG can be used in TVs:
Digital DL-15S10 (Panel LQ150X1LGC2), HYUNDAI H3260 (Panel T315XW07 V2), HYUNDAI H-LCD4200 (Panel T400HW04 V.0 FHD).
Main features of the DIGITAL DL-15S10 device:
Installed matrix (LCD panel) LQ150X1LGC2.
To power the backlight, an inverter LK-IN220417A is used, it is controlled by the PWM controller OB3302CP.
To power all internal nodes of the DIGITAL DL-15S10 TV, an external adapter 12V type is used.
MainBoard - the main board (motherboard) is an MST182VG module using SPI Flash chips: cFeon 25Q32B; SOUND: UTC1517P; and others.
The tuner CDT-3SP5I2-36 provides the reception of television programs and tuning to channels.
Additional technical information about the panel:
Brand: SHARP
Model: LQ150X1LGC2
Type: a-Si TFT-LCD, Panel
Diagonal size: 15.0 inch
Resolution: 1024x768, XGA
Display Mode: TN, Normally White, Transmissive
Active Area: 304.1x228.1 mm
Brightness: 400 cd / m²
Display Colors: 16.7M (6-bit + Hi-FRC)
Lamp Type: 4 pcs CCFL
Signal Interface: LVDS (1 ch, 8-bit)

REPAIR / SERVICING TV DIGITAL DL-15J82

Technical description and composition of the DIGITAL DL-15J82 TV, type of panel and applicable modules. The composition of the modules.
Digital
Model: DL-15J82
Chassis / Version: JPE-MST718
Panel: M150XN07
Lamp backlight: 2 Lamp CCFL
Inverter (backlight): 12V 2 Lamp CCFL
MainBoard: JPE-MST718
IC MainBoard: MST718BU-LF, PS25LV020, 24C32, TDA7496, TDA9886TS
Tuner: ET-5C511-BS1A
Technical Specifications DL-15J82
DIGITAL DL-15J82
General recommendations for repairing TV LCD
Possible malfunctions
- The DIGITAL DL-15J82 TV does not turn on at all. There is no reaction to the remote control or to the control buttons from the front panel. Indicator lights do not light or flash.
In such cases, the power supply is usually faulty. It is necessary to measure the output voltages in the secondary circuits, and in case of their absence, check the serviceability of the power switches of the converters and rectifier diodes for a short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in a short circuit mode, and during a short circuit in the elements of the primary circuit, the mains fuse usually breaks.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke an excess of the maximum current or voltage. It can be supply, damper circuits, or elements of OOS (negative feedback) stabilization. The reason for the breakdown of the power switch may be PWM (PWM). It is checked only by replacement with a known good one.
- There is no image, but there is sound and reaction to the remote control. Or for a second, the image may appear immediately after switching on.
These manifestations can be triggered by a power module, or by defects in the inverter, as well as a distortion of the currents in the lamps due to their uneven wear. After checking all the electrolytic capacitors of the filters that are involved in the power supply of the inverter, it is necessary to ring in its converter the power switches for breakdown and the secondary windings of the transformers for an open.
Sometimes, for diagnostic purposes, it is necessary to disable the inverter protection. In such cases, special care must be taken during work, and the protection circuits should be restored immediately after the repair is completed.
- The TV does not enter the operating mode, does not respond to the remote control. The indicator on the front panel lights constantly or blinks.
Repair or diagnostics of the JPE-MST718 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). When repairing an MB board, you need to check its components MST718BU-LF, PS25LV020, 24C32, TDA7496, TDA9886TS. Defective items should be replaced. If chips with BGA soldering technology are used, a problem in its implementation is detected by the local heating of the chip.
If there is no reception of television channels, but the TV is working properly from external devices, first of all you need to check the voltage of the tuner ET-5C511-BS1A and update the software. The pulses from the I2C bus must be controlled with an oscilloscope.

For owners of the DL-15J82 TV, we recommend that you contact qualified personnel with the necessary work experience for repairs! Self-repair attempts without the appropriate knowledge and skills can lead to irreversible negative consequences!

Image format 4: 3, Diagonal of 15 inches, 1024x768, Viewing angle 178, Brightness 500 cd / m2, Contrast ratio 1200: 1

Repair MainBoard
The appearance of the MainBoard JPE-MST718 is shown in the figure below:
JPE-MST718
JPE-MST718 can be used in TVs:
DIGITAL DL-15J82 (Panel M150XN07), DIGITAL DL-20J80 (Panel SVA201VG01TB), DIGITAL DL-20J85 (Panel M201EW02), DIGITAL DL-26J82 (Panel T260XW02), DIGITAL DL-32J82 (Panel T315XW02).
Main features of the DIGITAL DL-15J82 device:
Installed matrix (LCD panel) M150XN07.
A 12V inverter is used to power the backlight.
The required supply voltage for all nodes of the TV DIGITAL DL-15J82 provides a switching power supply.
MainBoard - the main board (motherboard) is a JPE-MST718 module, using microchips MST718BU-LF, PS25LV020, 24C32, TDA7496, TDA9886TS and others.
The ET-5C511-BS1A tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: AUO
Model: M150XN07 V5
Type: a-Si TFT-LCD, Panel
Diagonal size: 15.0 inch
Resolution: 1024x768, XGA
Display Mode: TN, Normally White, Transmissive
Active Area: 304.128x228.096 mm
Surface: Antiglare, Hard coating (3H)
Brightness: 270 cd / m²
Contrast Ratio: 600: 1
Display Colors: 16.2M (6-bit + FRC)
Response Time: 3/13 (Tr / Td)
Frequency: 60Hz
Lamp Type: 2 pcs CCFL Without Driver
Signal Interface: LVDS (1 ch, 8-bit), 20 pins
Voltage: 3.3V