Technical description and composition of the TV SUPRA STV-LC16500WL, type of panel and applicable modules. The composition of the modules.SUPRA LED
Model: STV-LC16500WL
Chassis / Version: TP.VST59.P67
Panel: B156XTN03.2
LED driver (backlight): integrated into MainBoard
PWM LED driver: OB3350CP
Power Supply (PSU): integrated into MainBoard
PWM Power: PWM SOT23-6
MOSFET Power: MDF7N60B
MainBoard: TP.VST59.P67
IC MainBoard: CPU TSUMV59XE-Z1, Flash W25Q32FVSIG
Tuner: NoName
Technical Specifications STV-LC16500WL
SUPRA STV-LC16500WL
General repair guidelines for TV LCD LED
Diagnostics of malfunctions and repairs SUPRA STV-LC16500WL, as well as other electronic devices, it is recommended to start with an external examination of the external and internal elements. Often, according to the external signs and nature of the damage to the elements, it becomes possible to draw some conclusions and determine a further algorithm for finding a defect before making the necessary measurements at control points. Experienced repairmen are often aware of the causes of the defect and possible consequences, for example, from ring cracks in the soldering of the leads of the elements, as well as from swollen capacitors or resistors burnt to coal dust and other external indirect signs.
If the SUPRA STV-LC16500WL does not turn on, no control lights on the front panel light up or blink, therefore, there is a very high probability of a power module malfunction. In some cases, only the processor power regulator may be faulty. It is advisable to start the troubleshooting of the power supply module by checking the condition of the electrolytic capacitors of the rectifier filters and the mains fuse. Defective capacitors should be replaced. If the mains fuse is broken, it is necessary to check first of all the power semiconductor elements - rectifier diodes and transistors, which are often found in such a state of breakdown.
It should be borne in mind that in the practice of repair it is extremely rare that key transistors in switching power supplies (SMPS) fail for no reason that should be sought by checking other components, for example, a breakdown of the key can provoke faulty elements of the damper circuits, or dried electrolytic capacitors or dangling primary resistors BP circuits involved in the stabilization process. In this case, all semiconductor elements of the binding of the PWM controller microcircuit are subject to verification, which it is desirable to verify by replacement.
If the SUPRA STV-LC16500WL does not have an image, but there is sound and the TV is controlled by the remote control, a malfunction in the backlight circuits of the B15XTN03.2 panel is likely. The LEDs or the power converter - LED driver may be faulty. Often in such cases, when you turn on the TV, an image appears and immediately disappears. First of all, it is necessary to verify the operability of the electrolytic capacitors of the rectifier filter supplying the LED driver, and check the LEDs, connecting obviously known good diagnostics.
To check the health of the LEDs, as well as contact connections in the ruler circuit, it is necessary to disassemble the panel.
When diagnosing, it is necessary to take into account that it is impossible to check the open in the circuit of the LED lines without disassembling the panels using a tester or a 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.
In cases of attempts to repair the TP.VST59.P67 motherboard, it is necessary to check the operability of the stabilizers or power converters of its microcircuits and, if possible, update the software (software). BGA chips can in most cases be diagnosed by local heating.
Board repair and replacement of CPU chips TSUMV59XE-Z1, Flash W25Q32FVSIG are carried out with the necessary equipment, and the corresponding element base. Faults associated with the use of BGA processor soldering technologies can be localized by the heating method.
Once again, we remind TV users: you should not make attempts to repair it yourself without the appropriate knowledge, experience and the necessary qualifications! Trust the repair only to professionals with sufficient experience in the field of electronic equipment repair.
FLFIRMWARE FOR SPI FLASH -----------> SUPRA STV-LC16500WL, Main: TP.VST59.P67, Panel: B15XTN03.2
The appearance of MainBoard TP.VST59.P67 is shown in the figure below:TP.VST59.P67
TP.VST59.P67 can be used on TVs:
SHIVAKI 22LED6 (Panel T215HVN010), SHIVAKI STV-24LED6 STV-24LED6W (Panel V236BJ1-P01), SUPRA STV-LC16500WL (Panel B156XTN03.2), SUPRA STV-LC22551FL (Panel L509A215N01F-1), SUPRA STV-LC19740WL (Panel HM185WX3-401).
Main features of the SUPRA STV-LC16500WL device:
Installed matrix (LED-panel) B156XTN03.2.
To power the backlight LEDs, a converter is used, combined with the TP.VST59.P67 main board, controlled by the OB3350CP PWM controller.
The power module is combined with the MainBoard and is designed according to a flyback AC / DC voltage converter using PWM SOT23-6 microcircuits and power switches of the MDF7N60B type.
MainBoard - the main board (motherboard) is a module TP.VST59.P67, using CPU chips TSUMV59XE-Z1, Flash W25Q32FVSIG and others.
The NoName tuner provides reception of television programs and tuning to channels.
Additional technical information about the panel:
Brand: AUO
Model: B156XTN03.2 1 Compatible model
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: Slim (PCBA Flat, Depth? 3.2mm)
Surface: Glare (Haze 0%), Hard coating (3H)
Brightness: 200 cd / m²
Contrast Ratio: 500: 1
Display Colors: 262K (6-bit), CIE1931 45%
Response Time: 2/6 (Tr / Td)
Frequency: 60Hz
Lamp Type: WLED Embedded (LED Driver)
Signal Interface: LVDS (1 ch, 6-bit), 40 pins
Voltage: 3.3V
SUPRA STV-LC16500WL LED TV with B156XTN03.2 LCD, 16 "(41 cm) diagonal size of 16: 9 format. The required screen brightness of 250 cd / m² is provided by LED backlighting. Dynamic contrast ratio of 40,000: 1 is achieved by special control LEDs work depending on the illuminated areas in the plot.In this model, an LED panel with the end position of the backlight LEDs, Edge LED, is used. The input high-frequency or video signal is decoded 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, WMA, MPEG4, MKV , JPEG.
The power of the sound system 6 W (2x3 W) provide 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, audio x2, component, VGA, HDMI, USB. 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, 800x600, 1024x768, 1360x768.
Overall dimensions: 435x235x92 mm.
Attention! The B156XTN03.2 panel of a SUPRA STV-LC16500WL 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.