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Tcl Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
TCLL32C16
MS181
TV does not search for tuned channels in the tunerCheck tuner supply voltage. check circuit u14, pin 79.Andreas
TCLL32F3200B
MT01C
Hdmi input with abnormal image. av and usb working regularly.Update to the latest firmware versionAndreas
TCLL32E5300A
MS99
After running for some time, tsound is no audioCheck the mute circuit q701 (b= 23.4v, c= 0v, e= 23v), q702 (b= 0v, c= 3.3v, e= 0v). q701 can be replaced by 2sa1015.Andreas
TCLC32E330B
MT27
TV doesn't start, it always stays on std-byCheck c429Andreas
TCLL24S10
MT23A
When turning on the logo appears and freezes. the buttons on the remote or on the TV do not work.Verificar u203 24c32 eepromReplace with a new clean one and copy the data from the old oneAndreas
TCL43S6500
Stuck on the initialization ball and won't turn on.Corrupted system. update via pendrive by holding power button.https://eletronicabr.com/files/file/42641-atualiza%c3%a7%c3%a3o-tcl-43s6500/Portal Tec - Catalão - Junior
TCL50P8M
Burning led due to high voltageAfter changing the LEDs, lower the power supply voltage, in the driver between pins 2 and 15, tsound are 2 resistors in parallel (r608 and r609) of 91k and 39k, regardless of wsound they are, remove the 39k one. leaving only the 91k, in my case the voltage dropped to 76vRemove the 39k resistorSystem Eletronica
TCL50P615
No imageDioso AD602 (power supply of shorted LEDsJust replace and run to receive the moneyCabeça
SEMP TCL 50P65US
It turns on whenever it wants, that is, when it got hot, it turned on cold and it didn't turn on.Both diodes d402 and d402a, photo boardRaul de saja ajude pra ser ajudado!
SEMP TCL L32S3900S
Reduction of LED current vídeoEliel Batista
SEMP TCL43S5300
No imageBad LED kit 2 bars of each with 11 6V LEDs 81cm longReduce led current (rr15 of 3k smd was replaced to a 4k7 one) this resistor goes to pin 7 of the ci drive ur01, the power supply was at 70.6v and the power supply dropped to 65v leaving 5.9v on each led !orlando lott
TCLDL4077I
After replacing the LED bars, the TV only flashed the bus and then went outLed driver activating protection ci tps61196Connect an LED with + to pin 19 of the ci and - to gnd, thus deactivating the protectionGABSENS
TCL32S6500S
32S6500S
Does not turn on, no standby.Changed resistor ru12.Resistor r12 4r7 replaced, it has high impedance, it was identified because it was cracked. Replace the 4r7 resistor with any 4.7Ω resistor and the power supply returned to normal voltage.
TCL 43S5300
LED current reductionRemove smd resistor rr09 near the bar connectorReduces from 71v to 64vPaial.eletros
SEMP/TCLL43S3900FS
Dark screen only soundChange led bars reduce current to avoid return it was 88.5v normal is 84v remove r764 1r voltage is 81.5v they are 3v ledValerio
TCL50P8M
Reduction of LED bus currentChange the 10k smd resistor r613 for another 330k resistor I put 470k this resistor is close to the ICPaulo Alexandre
TCL50P8M
Reduction of LED bus currentBurned out ledsThis TV arrived with the LEDs burnt out, I replaced the busbars but the voltage was very high on the bars. The solution is to replace the r612 resistor that goes to pin 5 of the 22k driver ci with a 16k one.Eletrônica silva-Ap
TCL32S6500S
Poor blacklight (screen) - image almost blacked outDiode in short position dr01 - sb5100, replaced by sr5100George Luís
TCL65P65US
Backlight power reduction methodRemove the smd resistors r625 r626, remove the j12 jumper and replace it with the resistor in position r623, leaving no resistor in position r623.EC
TCL55P65US
TV showing a slight flicker on the screen, left side, a flicker stopped, a slight flicker but the image did not disappear, flashing intermittently and slightly.Faulty displayWhen releasing the left flat, screen oscillations stop occurring, so I isolated it with flat tape on the left side, starting on the left side of this flat, I left 8 lines and isolated from 9 to 17, the image was perfect (in this case).)Claudio Jorge Eckert Junior