Lg TV Repair: Common Faults and Solutions.
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Results: 4835
Results: 4835
Lg Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 29CC90 VARIOS | No audio | 24c16wp eeprom memory data corrupted | Reprogram the eeprom memory data | Cavalcante |
| LG | 29CC90 VARIOS | No audio | Rewrite the eeprom data or new memory recorded | Reprogram eeprom memory | Cavalcante |
| LG | 50UM7510PSB | TV turns on but no Wi-Fi, does not find networks. | Wi-Fi board, shorted, and main without Wi-Fi power. | Wi fi board with shorted smd capacitors, without screen printing on the board, causing the damaged q4101 kfj smd mospfet (kfj and ssm3j332r on pin g=0.80v s=3.5v d=3.5v) to burn out, powering the wi fi card . | RNSPTEC |
| LG | RP-20CC25 MC-059A | LED turns on and off | Photo coupler ic 802 | * | Marcílio Ângelo |
| LG | 32LV2500 | Stop | When turning on the TV, the standby turns off the relay and turns it off. Capacitor shorted on the audio output c528 or c520 killing bone. 12 turns from the power supply | Cabeça | |
| LG | 21FU6TL | Image appears voltage +b dropping to 80 volts and turns off | Q801 changed | Replace without measuring q801 | samuel leite |
| LG | 21FX5RL | Ugly contrast....off strange luinance | R547 open | 82k....it was original from the factory with 100k | Alextecnico |
| LG | 37LH35FD | It has standby, red LED, turns on, goes to blue LED, backlight comes on but tsound is no image. | Cold solder on the processor. | Reballing of the mainboard processor. | MARCO BORSATO |
| LG | 42LH35FD | It has standby, red LED, turns on, goes to blue LED, backlight comes on but tsound is no image. | Cold solder on the processor. | Reballing of the mainboard processor. | MARCO BORSATO |
| LG | CJ87-AB | Sound doesn't turn on, tsound are only voltages of 12vots and +5vots, remove the x500 and x501 crystals and resolder them by cleaning the area, that's what I did and it worked, the -5volts and the other voltages only exist when the sound is turned on ok | I resoldered and cleaned the location of the x500 and x501 crystals | GALILEU ROCHA | |
| LG | 32LE3300-ZA LD01D | The menu appears and performs functions alone | Swollen capacitors in the power supply | Replace c211 and c212 in the power supply, (1500μF/6.3v), you can put 2200μF/6.3v | direstraits |
| LG | CP20J52 MC-83C | No image, normal audio. | Leaky d405 diode. note; can you put 1n4148 | After changing the TV ok. | George Pontes |
| LG | 42LH30FR | The STB LED only stays on. TV doesn't turn on. | Ic1007 with voltage lower than 3v3. | PLAY BACK | |
| LG | 42LH20R | I'm sound | Capacitor c809 prox ao micro 10ufx16v | Joao Bosco Sorocaba | |
| LG | 42LM6200 | Does not turn on, stand by LED is off | Capacitor c4324 shorted on motherboard | Replace | Maurilio |
| LG | 42LH30FR | The STB LED only stays on. TV doesn't turn on. | Ic1007 with voltage lower than 3v3. | PLAY BACK | |
| LG | 42LS5700 | Plug it into the socket LED turns red...turns on power and doesn't turn on | Resolder the 3 coils on the power supply cable input signal board l2403 and 2 more | Luis carlos | |
| LG | CM9730 | When turned on, the device remains silent in all functions, in a few seconds it drops the popcorn into the box and it becomes silent again | Checked the outputs, everything was ok, I checked that they were in the ci sdram signal, I replaced it on the main board ic502 | Ic 502 replacement | Thiago Campos |
| LG | M2762D MTV0-01 | Power supply does not start | Substituir sem medir c401, c402, c403, c404 (5pf/3000v) | Rui | |
| SOM LG | CM 8350 | Sound turned off completely. | Main capacitor of the 330/450 power supply leaking oil and giving 150 mf on the capacitor and the 12 amp fuse blew, replaced and resolved. | Galileu Rocha |