Technical description and composition of the THOMSON T32D16DH-01B TV, panel type and modules used. The composition of the modules.THOMSON LED
Model: T32D16DH-01B
Chassis / Version: TP.S512.PB83
Panel: LVW320CSDX E16 V52
T-CON: MT3151A05-5-XC-5
LED driver (backlight): integrated into MainBoard
PWM LED driver: SN510P
MOSFET LED driver: AOD4454
Power Supply (PSU): integrated into MainBoard
PWM Power: PWM SOT23-6
MainBoard: TP.S512.PB83
IC MainBoard: CPU: S2T512, SPI Flash: 25Q64, Sound: TPA3110LD
Tuner: XF-3SDT-H (R840)
Control: IR: Board 40-32D151-FBB2LG
Specifications T32D16DH-01B
THOMSON T32D16DH-01B
General recommendations for TV LCD LED repair
Possible malfunctions
- THOMSON T32D16DH-01B TV does not turn on. There are no signs of operability. The indicators on the front panel do not light or blink, the TV does not respond to the remote control and control buttons.
In such cases, the main power supply, the mains voltage AC / DC converter, which is combined with the MainBoard TP.S512.PB83, may be faulty. Then we recommend measuring its output voltages and, if they are absent, you should check the serviceability of the power switches and rectifier diodes of the converters for a possible short circuit.
In case of breakdowns in the secondary circuits, the converter can operate in short-circuit mode, and in case of short-circuit in the elements of the primary circuit, the mains fuse usually breaks off.
Mos-Fet power switches used in switching power supplies sometimes fail due to a malfunction of any other elements that can disable it in the key mode, or create an excess of the maximum permissible key parameters. These can be elements supplying a PWM regulator, frequency setting or damper circuits, or elements of negative feedback in the stabilization circuit. PWM controllers PWM SOT23-6, in the absence of visible damage or outright short circuits between the terminals, are checked by replacing them with new ones, or known to be working properly.
- There is no picture, but there is sound, it reacts to the remote control. Or the image appears when turned on and immediately disappears
As a rule, in such cases there is no display backlight. The reason for this may be an open circuit in the LED circuit, or a problem in stabilizing their power supply.
To check the health of the LED circuit, it is better to use a current source with a maximum voltage of 200V. We do not recommend using any voltage sources for this purpose. You can check each LED separately with a simple Chinese multimeter (powered by 9 volts) in the P-N transition test mode. If you connect the red probe of the multimeter to the anode of the LED, and the black one to its cathode, then the 3-volt LED will light up slightly, and in the opposite direction you can detect the transition of the emergency zener diode. The serviceability of the PN junction of the Zener diode indirectly indicates the serviceability of the LED-a
- The TV does not go into operation, does not respond to the remote control. The indicator on the front panel is on or blinking.
If THOMSON T32D16DH-01B has no image, but there is sound, often the LVW320CSDXE16V52 display backlight simply does not work. Moreover, in LED TVs, the LEDs inside the panel usually fail, less often the LED driver.
In such cases, you can see a barely noticeable image with a successful hit of external light on the screen.
Replacing the LEDs requires disassembling the LCD panel LVW320CSDXE16V52 - a process that requires experience and qualifications from the master. We do not recommend doing such work on your own to the owners of TVs and craftsmen who do not have experience in repairing LCD panels
If there is no image, and the backlight is on, the screen becomes slightly lighter when turned on, and in an open TV you can see light through the holes in the panel case.
In this case, the panel may also be faulty - damage to the strips, loops, for example, as a result of moisture ingress after unsuccessful washing of the screen, the T-CON (Timing Controller) board may be faulty. But often the main board MainBoard TP.S512.PB83 also turns out to be faulty, a software failure is also possible.
Then, first of all, it is necessary to check the panel supply voltage, fuses on the T-CON board, as well as the supply and reference voltages of the column and line drivers - VGH, VGL, Vcom.
If these measurements are within the normal range, it is necessary to trace the passage of LVDS signals from MainBoard TP.S512.PB83 with an oscilloscope, as well as synchronizing signals to the loops with drivers.
Flooded or unsuccessfully washed screens of LED TVs can be restored, in about half of the cases, usually if significant damage has not formed in the loops and panel strips.
Repair or diagnostics of the TP.S512.PB83 motherboard should begin with checking the stabilizers and power converters necessary to power the microcircuits and matrix. If necessary, you should 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 - CPU: S2T512, SPI Flash: 25Q64, Sound: TPA3110LD which may require replacement with new ones. If a BGA processor is installed, there is a possibility that the soldering of the contacts of its pins with the board is broken (detected by warming up).
The XF-3SDT-H (R840) 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 monitored with an oscilloscope.
Owners of the T32D16DH-01B TV are advised to contact only qualified specialists with the necessary work experience for repair! Attempts to repair yourself without the appropriate knowledge and skills can lead to irreversible negative consequences!
DOWNLOAD FIRMWARE FOR SPI FLASH -----------> THOMSON T32D16DH-01B, Main: TP.S512.PB83, Panel: LVW320CSDX E16 V52
DOWNLOAD SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> MainBoard TP.S512.PB83
The appearance of the MainBoard TP.S512.PB83 is shown in the figure below:TP.S512.PB83
TP.S512.PB83 can be used in TVs:
AKAI LEA-39V51P (Panel LC390TA2A 902-P05-390H ), DEXP 40A7000 (Panel C400F13-E2-C), DEXP F39B7100E (Panel T390HVN04.0 CX390DLEDM), DEXP H32B7000C (Panel T320XVN02.9 C320X14-E2-A), DEXP F42B7000ED (Panel CX420DLEDM), DEXP F32C7000B (Panel BOEI320WU1), DEXP F32C7100B/W F32C7100 (Panel BOEI320WU1), DEXP 32A7000 (Panel BOEI320WU1), DEXP 42A7000 (Panel CX420DLEDM), DEXP F32B7000B (Panel BOEI320WU1), DEXP H39D7000E (Panel CX390DLEDM), DEXP F40B7000C (Panel C400F13-E2-C), DEXP H32B3200CD (Panel HV320WX2-201), HAIER LE28F6000T (Panel A275HD1A01-2 / LVW280CSDO E2 V2), HAIER LE32F6000T (Panel ST3151A05-8 LVW320CSDX E13 V2), MYSTERY MTV-4025LT2 (Panel CX400DLEDM), SHIVAKI STV-32LED13 (Panel SV320SHD PDL320TU2A X41), SHIVAKI STV-42LED16 (Panel V420HJ-P01), SHIVAKI STV-32LED14 (Panel CX315DLEDM AJ32TO3), SHIVAKI STV-40LED13W (Panel V400HJ6PE1-C2), SHIVAKI STV-32LED15 (Panel HV320WHB-N80), SUPRA STV-LC32T440WL (Panel C320X14-E13-H), SUPRA STV-LC32T900WL (Panel LC320TU3A), SUPRA STV-LC40T900FL (Panel 1080p Full HD 1920x1080), THOMSON T32D15DH-01B (Panel LVW320CSDX E13 V30), THOMSON T28D15DH-01B (Panel LVW280CSDE E3 V5), THOMSON T32D16DH-01W T32D16DH (Panel LVW320CSDX E19 V28), THOMSON T43D16SF-01B T43D16SF (Panel LVF430LGDO E2 V18).
The main features of the THOMSON T32D16DH-01B device:
Installed matrix (LED panel) LVW320CSDX E16 V52.
Matrix control uses the Timing Controller (T-CON) MT3151A05-5-XC-5.
To power the backlight LEDs, a converter combined with the TP.S512.PB83 main board is used, controlled by the SN510P PWM controller. AOD4454 type keys are used as power elements of the LED driver.
The power module is combined with the MainBoard and is made according to the AC / DC flyback voltage converter using PWM SOT23-6 microcircuits.
MainBoard - the main board (motherboard) is a TP.S512.PB83 module using CPU chips: S2T512, SPI Flash: 25Q64, Sound: TPA3110LD and others.
Tuner XF-3SDT-H (R840) provides reception of television programs and tuning to channels.
LED TV THOMSON T32D16DH-01B with LCD LVW320CSDXE16V52, diagonal size 32 "(81 cm) 16: 9 format. less than 3000: 1 LCD panel uses direct backlighting with rear-mounted LEDs - Direct LED Can be viewed in high quality HD at a resolution of 1366x768 pixels in 720p standard (HD Ready) Input high-frequency or video signal is decoded in analog systems PAL, SECAM, NTSC Digital signal formation (graphic format) is performed in 480i, 480p, 576i, 576p, 720p, 1080i standards, multimedia formats are supported: MP3, MPEG4, JPEG.
Speaker power of 10 W (2x5 W) is provided by two speakers. The NICAM STEREO audio processing system is used.
External interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, SCART, VGA, HDMI x3, MHL, USB. A headphone jack is provided. A standard VGA (D-Sub 15) connector is used to connect a laptop or computer. This interface supports resolutions: 640x480, 800x600, 1024x768, 1360x768. The digital tuner has the ability to receive television channels in the DVB-T MPEG4, DVB-C, DVB-T2 standards.
The power consumed by the TV from the network in the operating mode is not more than 50 W.
Dimensions: with stand 733x480x177 mm, without stand 733x444x93 mm.
TV weight: 4.3 kg.
Attention! The LVW320CSDXE16V52 panel of the THOMSON T32D16DH-01B LED TV is an expensive and unreliable element.
Do not allow any impact on the glass and pressure on the screen surface to avoid damage to the LED panel!
It is also unsafe for liquid to spill onto the screen. Sometimes one drop is enough if it drips down the glass onto the cables to make the TV unrepairable.