Technical description and composition of the TV AIWA 42LE6110, type of panel and applicable modules. The composition of the modules.AIWA LED
Model: 42LE6110
Chassis / Version: V1L09
Panel: LC420EUN (SE) (M1)
LED driver (backlight): PHCC20002B-H PCLF-D104A REV 0.7 6917L-0084A
PWM LED driver: SW5516
MOSFET LED driver: AOD482
Power Supply (PSU): 5800-P42EWB-W010 ver.00.00
PWM Power: FSFR1700XSL, OB5223AP, OB6572CP (PFC)
MOSFET Power: JCS18N50FH
MainBoard: 5800-A8M480-0P10 Ver00.07
IC MainBoard: SPI Flash: cFeon Q32-104HIP (25Q32B)
Tuner: ET-9Z2E-CF106H
Specifications 42LE61103
AIWA 42LE6110
General repair guidelines for TV LCD LED
Possible malfunctions
- The AIWA 42LE6110 TV does not turn on, does not respond to the remote control and the control panel buttons, the indicators do not light or flash.
Most often with such manifestations, the main power module 5800-P42EWB is found to be faulty. It is necessary to measure its output voltages, and in case of their absence, check the operability of the power switches of the converters and rectifier diodes for the probability of short circuit.
In case of breakdowns of semiconductors in the secondary circuits of any converter, as a rule, it can operate in emergency short-circuit mode without output voltages, and during short circuit in the elements of the primary circuit, the main fuse and, less often, the current sensor at the source of the key are most often cut off.
The breakdown of Mos-Fet keys used in pulsed sources is often caused by malfunctions of other elements, for example, in the power supply circuit of a PWM controller, in frequency-setting or damping circuits, as well as in Negative Stabilization Feedback. PWM chips FSFR1700XSL, OB5223AP, OB6572CP (PFC) are usually checked by replacing with new, or obviously working.
- 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 for this may be a break in the LED circuit, or a problem in stabilizing their power supply.
When diagnosing, it is necessary to take into account that it is impossible to check the open in the chain of LED lines without disassembling the panels using a tester or multimeter. To open all PN junctions connected in series, a voltage of the order of several tens of volts is required, and ideally, a current source. By opening the panel, each LED can be checked separately. Typically, Chinese multimeters light up a single 3-volt LED, if you connect probes in the forward direction to it. 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 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 5800-A8M480-0P10 motherboard should be started by checking the stabilizers and power converters needed to power the microcircuits and matrix. If necessary, update or replace the software (software). Sometimes they require checking or replacing (if necessary) the elements of the MainBoard - SPI Flash: cFeon Q32-104HIP (25Q32B). In cases where the BGA processor is used, its malfunction is usually detected by the local heating method.
If the TV works normally from external devices, but does not tune into television channels, the tuner ET-9Z2E-CF106H 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 to users! Self-repair of the TV AIWA 42LE6110 without the appropriate qualifications and the necessary experience can lead to its complete non-repairability!
FIRMWARE FOR SPI FLASH -----------> AIWA 42LE6110, Main: 5800-A8M480-0P10 Ver00.07, Panel: LC420EUN (SE)(M1)
To reduce the backlight current in LED drivers with the SW5516 controller, it is necessary to proportionally increase the total resistance of the resistors connected between the 28 output of SW5516 and the housing, for example, by removing one of the resistors.
The appearance of the MainBoard 5800-A8M480-0P10 is shown in the figure below:
5800-A8M480-0P10
5800-A8M480-0P10 can be used in TVs:
AIWA 47LE61103 (Panel LC470EUN (SE)(F1)), AIWA 42LE6110 (Panel LC420EUN (SE)(M1)), AIWA 39LE6110 (Panel V390HJ1-P01), ERISSON 42LES66 (Panel LC420EUN SEM1), ERISSON 39LES66 (Panel CX275DLEDM), ERISSON 32LES66 (Panel REL320AH-U100 Rev.00), SUPRA STV-LC39660FL (Panel V390HJ1 rev.c1 SEL390V7-S00D ), SUPRA STV-LC32663FL (Panel T320HVN01.2), SUPRA STV-LC39663FL (Panel V390HJ1-P01), SUPRA STV-LC47660FL00 (Panel LC470EUN).
Key Features of AIWA 42LE6110:
Installed matrix (LED-panel) LC420EUN (SE) (M1).
The LED driver PHCC20002B-H is used to power the backlight LEDs, it is controlled by the PWM controller SW5516. As power elements of the LED driver, keys of the AOD482 type are used.
The necessary supply voltages for all nodes of the TV AIWA 42LE6110 are generated by the power supply module 5800-P42EWB-W010, or its analogs using chips FSFR1700XSL, OB5223AP, OB6572CP (PFC) and power switches of the type JCS18N50FH.
MainBoard - the main board (motherboard) is a 5800-A8M480-0P10 module, using SPI Flash chips: cFeon Q32-104HIP (25Q32B) and others.
The ET-9Z2E-CF106H tuner provides television reception and channel tuning.
Additional technical information about the panel:
Brand: LG Display
Model: LC420EUN-SEM1
Type: a-Si TFT-LCD, Panel
Diagonal size: 42 inch
Resolution: 1920x1080, FHD
Display Mode: S-IPS, Normally Black, Transmissive
Active Area: 930.24x523.26 mm
Surface: Antiglare (Haze 1%), Hard coating (3H)
Brightness: 280 cd / m²
Contrast Ratio: 1000: 1
Display Colors: 16.7M (8-bit), CIE1931 68%
Response Time: 6 (G to G)
Frequency: 60Hz
Lamp Type: WLED Embedded (LED Driver)
Signal Interface: LVDS (2 ch, 8-bit), 51 pins
Voltage: 12.0V
Trademark: AIWA, Model: 42LE61103.
Briefly from the TV: LCD, LED backlight, 42 ", 1920x1080, 1080p Full HD, 3D, sound: 24W, HDMI: 3.
The composition uses MainBoard 5800-A8M480-0P10 and LCD Panel LC420EUN (SE) (F1). Backlight: Edge LED.
Power Supply Unit (PSU) 5800-P42EWB-W020 Power Supply.
AIWA 42LE61103 TV with an LCD display LC420EUN, diagonal size 42 "(107 cm) in 16: 9 format. The required brightness of the screen is 360 cd / m² LED backlight LED. Dynamic contrast ratio of 100,000: 1 is achieved by special control of the LEDs. In this model uses side lighting from Edge LEDs.
There is support for 3D images with active (shutter) technology for separating the right and left channels.
The LC420EUN (SE) (F1) panel and the software of the 5800-A8M480-0P10 motherboard provide viewing of broadcasts and films in high quality HD at a resolution of 1920x1080 pixels in a graphical decomposition according to the standard 1080p (Full HD). The input high-frequency or video signal can be processed in analogue systems PAL, SECAM, NTSC. Graphic processing and digital signal generation occurs in standards 480i, 480p, 576i, 576p, 720p, 1080i, 1080p.
Supported media file formats: MP3, MKV, JPEG.
The power of the sound system 24 W (2x12 W) provides two speakers. The audio processing system NICAM STEREO is used.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, VGA, HDMI x3, USB x2. An output for connecting headphones is provided. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector is used on the TV case, this interface supports resolutions: 640x480, 1024x768, 1280x1024, 1360x768, 1920x1080.
The power consumed by the TV working in the network mode is 120 watts.
Overall dimensions: 1122x690x162 mm.
Mass of the TV: 18.9 kg.
Attention! The panel of the LC420EUN (SE) (F1) AIWA 42LE61103 LED TV is an expensive and unreliable element.
Avoid any impact on the glass and pressure on the surface of the screen to avoid damage to the LED panel!
It is also unsafe to get liquid on the screen. Sometimes one drop is enough if it flows down the glass onto the cables so that the TV becomes unrepairable.