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 | CP-29C85 | Turning off without apparent cause | R 831 amended | Edilson | |
| LG | CP-14B86A | With characters but without image (black screen) | The abl line was checked and it was found that d502 was shorted | I replaced it and it worked | simas433 |
| LG | 21FU1RLG | The stanby LED lights up, oscillates and then turns off and the LED remains off. | R 842 open | sosrocha | |
| LG | RP-14CB25A | Buzzing and won't turn on | Shorted c417 is close to flyback | Replace it | antonio nobrega (patos pb) |
| LG | 29FX5CL-LI CW62C | Works but image shaped like a guitar waist | Dear colleagues, I found a defective mos-fet q302 2sk 2961 that was replaced by the 2sk 2545 obs. Be careful with the pinouts as they are in different positions, i.e. just reverse them. I found the 12 volt zd 301 also open when replacing these components and the TV started working normally again. Thanks for the tips and attention and good luck. | Rivaldo | |
| LG | 29FU1RS | Led off power supply +b arms and disarms leaving only the 6v3 voltage from the large transformer and power supply from the small transformer | R833 91k1% | Roberto Consertos | |
| LG | CP20K78 SC023A | Turns off after a few 10.20 minutes or less | Change r420 to 180k and place a 1.2Ω resistor in parallel with fr403 | JOSE GUSMÃO | |
| LG | RP-20CB20A | It takes a long time to turn on, when it turns on the keyboard is locked | D-23 shorted | AURELIO | |
| LG | 32PC5RV | It has sound, but it doesn't have 193v | Pc817 e tl431 | Tsound's no point in testing, you have to replace | Epa357 |
| LG | RP-20CC25 | Inoperative - led off | Photo - coupler | Just replace the photo-coupler and run for a hug | fernando timbauba PE |
| LG | 22LD330 LP91H | Blue LED flashes and doesn't work. | Change all the electrolytics on the power supply PCI (although they are not overheated). | Delvico | |
| LG | 21FU4RLG | Poor width | Photo internal trt coupler with leak | luiz gonzaga da silva | |
| LG | RP20CB67 | Turns off intermittently, seems to turn on but doesn't turn on | Capacitors c826, c850 with cold soldering, almost imperceptible | Resolders two capacitors | ars |
| LG | CP29K30 S/N | Tsound is no sound | Unsolder the 2 reset pins of the stereo encoder and the pin wsound 8.2v comes in with the TV on, take it out of the socket and resolder it again and put it in the socket and go for the hug | ECBALVES | |
| LG | 21FJ8RL-L4 | ,normal sound,normal oscillating,normal high voltage. | Dark screen without escreen. | Replace the vertical output. | RENATO BARBOSA |
| LG | LM-U1350A | Dead | D943 shorted | To replace | RICARDO.S |
| LG | 37LG30R | It turns on but when it turns off it doesn't turn on, you have to disconnect the power cable and wait a while to activate it again and then it works normally, if it turns off via control it's the same situation. | To solve the problem, replace the r128 with a 12k one and the cap. c108 for a 22nf | PARDALZITO | |
| LG | 21FU6TL CW81B | Stand-by access, but does not turn on | Q801 | Replace q801, even if it shows good in the measurement | MARCELO |
| TV LG | RP-20CB62 | Vertical closed at the bottom | Regulated 12v ic804 was at 10v I changed it and it resolved | eletronica rodrigo palhoça | |
| LG | RP 20CC25 | Nothing works, just power supply to the primary power supply capacitor | Leak at the horizontal output plus cold soldering on the computer and memory | When checking the primary power supply I realized that tsound was no faulty component but the TV did not generate or have power on the second or +b I checked the horizontal output and it was very hot when removed it had a very high leakage and I replaced the LED on the stand bay It turned on but the TV didn't generate so I resoldered the computer and the memory and everything was ok. | moroni eletronica |