LG TV Repair: Common Faults and Solutions.
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Results: 4833
Results: 4833
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 39LN5400 | Does not turn on, nor does the ST-BY LED | C472 shorted | Replace.. | Maurilio |
| LG | 29FX5CL CW62C | Tsound is no sound | Capacitor c808 470uf 25v | Replace without measuring in the test, it says it's good | Paulistana pi |
| LG | W1943C | Takes time to call. blinking LED, screen turns on and off several times. when it turns on it stabilizes. | Bad capacitors c354 and c355 (220uf 16v). As they are in parallel, I removed them both and soldered a 470uf one and everything was ok. | TECNOBRU SBC | |
| LG | 32L30R | Turns on with the functions liquidated! it does not accept control only from close range and sometimes, the side keyboard causes the functions to be changed! | Change the power key, and resolder the processor with a soldering iron | Rodrigo cofferi | Rodrigo cofferi |
| LG | 42LD460 | Stand by off, turns off and lights flash | Fuga nos diodos zd502 zd 503 zd504 | Replace Diode | Inogamma |
| TV LG | 47LH50YD 000 | Str burst | Part reference strw6253 | Wesley Borges 7 | |
| LG | 42LM3400 42LM3400 | Won't turn on completely dead | Change the varistor c61 and the fuse (power supply board) | Replace the varistor c61 and the fuse (power supply board) | CANAL ELETRONICA CEARÁ |
| LG | 32LB | Sometimes it doesn't turn on, part of it turns off the LED but it doesn't turn on and it locks up, it only comes back on by unplugging it a few times | Change the eprom, I've already got several with this bo, I take the eprom from another scrap board, and it works fine! | Rodrigo cofferi | Rodrigo cofferi |
| LG | DV361 | Turns on with the power supply dropping to 12v voltage | Change photo coupler and d 121 with leak | Replace photo coupler and d 121 with leak | ALVES.TEC ELETRÔNICA.CAMARAGIBE.PERNAMBUCO |
| LG | DV361 | Turns on with the power supply dropping to 12v voltage | Change photo coupler and d 121 with leak | Replace photo coupler and d 121 with leak | ALVES.TEC ELETRÔNICA.CAMARAGIBE.PERNAMBUCO |
| LG | 65UB9500 | It doesn't turn on, the power supply LED flashes 5x, sometimes it turns on and restarts after a few minutes. | Processor bga solder. | Do reballing. | GABSENS |
| LG | 50PA4500 | Turn on the relay and turn it off | C214 low capacitance | Replace the aforementioned capacitor | GIOVANO ELETRONICA |
| LG | CM4420 | No sound and turning off minutes later | Q910 - 2sc3202 with leak | Q910 - 2sc3202 | Ronaldo Vieira |
| LG | M 2241A 0078 | No image | Solution | Odail | |
| LG | 50PJ350 | TV with normal sound, but no image | When analyzed on the oscilloscope tsound is no set signal dn.trafo 501 with one of the terminals open | Restored the traffic. | DANGRA ELETRÔNICA SÃO PAULO |
| LG | W1943C | Does not turn on, does not exit stand by and/or stand by flashing | After analysis on the main board, capacitors c354 and c355 were replaced, both 16v 220µf | AXCELL ASSIST TEC | |
| LG | 32LN570B 32LN570B | Backlight on but no image. without 12v going to the screen. | Backlight on but no image. without 12v going to the screen. | Replace the q2407 on the main board. | J.A Smart |
| LG | 42LW5700 | Turns on, the LG logo appears then turns off the LEDs | Power supply board, connect a 0.33Ω resistor (orange-orange-silver-gold) with resistors r268 and r269, one resistor each in series (the one on the board plus the 0.33Ω resistor) | Cocheiro do Dracula | |
| LG | 42LN5700 | Turns on without image and without back-light | Ic3304 defective on signal board, hdmi ci | Merotec Infotronica | |
| LG | 50PB560B | No image | On the p131 connector tsound was vs and va, but tsound was no 18v on the y-sus board | Q507 and d502 shorted near the 220k resistor. | Eletronica EASI |