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 | 42PJ250 PB02A | Does not turn on, stand by inoperative | Short circuit on the +5_vst line, c 502 (10uf/10v) | Replace c 502 (10μF/10v) | leitemarcellus |
| LG | 21FX5RL-LD | Doesn't start | Q 804 (bc -337) | Replace the same. | BARRETO CRUZ |
| LG | 21FX5RL-LD | Does not turn on, just stays on standby | Capacitor 835 (100uf/160v) | Replace the same. | BARRETO CRUZ |
| LG | 21FU1RL | Oscillates and disarms | If you increase the screen and keep pressing ch+ you will notice that retrace lines will appear | Cause was the c308 replace without measuring | |
| LG | 42PQ30R | Hits the relay directly and does not arm | Diode d352 (sb3200) in the main power supply and in the side power supply 100/50v capacitor c519 change without measuring as it seems to be good | ELETRONICA AUTO TREVO | |
| LG | 21FU4RL | Horizontal fora fequencia | R 512 next to ci 501 changes to just over 23k | R 512 22k | mecinhor7 |
| LG | 21FX5RL | Doesn't work | Fotoacoplador c 810 (22/50v) | This email address is being protected from spambots. You need JavaScript enabled to view it. (Bruno) | |
| LG | 21FJ8RL | Does not tune channels without 33 volts | R-114-30k | Swap -open | LUCIANO |
| LG | CP20B86 SC-023A | It takes a long time to turn on, when it does turn on it doesn't tune channels and it takes a long time to switch functions. | Diode 1n4148 d23, replace directly, measuring is good. | Secam | |
| LG | 21FU4RLG M059C | +10.5 power supply low, with 6v. the+9 drops to less than 5v. the horizon does not fluctuate. (+110v.normal) | Check r810 47r it changes to about 200r, it is under the power supply IC heatsink | reinaldo almeida | |
| LG | 29FU6TL-L5 | 3 RGB strips at the top of the screen | Replace capacitor c 304 no vertical | mateusf | |
| LG | 32LH35FD | TV blinking on and off until it goes into protection and turns off | Inverter board 4075 mosfets transistors defective. | Replacement | JFR |
| LG | 32LG30R | TV without selector signal | Faulty seletronic | Changing the seletronic or the entire board. In my case, I only replaced the seletronic . | JFR |
| LG | 20D90 | Don't tune in to any channel!!! | Capacitors with lost capacity in the same tuner!!!. replace everything for new ones. 47uf 16v...2.2uf 50v...0.47uf 50v | barnes | |
| LG | CP 20K70 | Power supply ok, turning it on turns off the LED, it does not oscillate and quickly returns to standby | Ver c 510 | Master Eletronica | |
| LG | 21FJ6RB | It doesn't work, the stand by led comes on, when you press a key the led goes off, the relay hits as if it were going to turn on, but then the stand by comes on again | Deflector coil - measuring the deflector with the broken wire at the terminal that is soldered together as the green wire | When I looked closely, I saw the broken wire. It was still possible to recover it, but if not, just replace it. | tts |
| LG | LM-U2350A | Panel does not light up (display off) | Q972 e q973 | Replacing them | fofao |
| LG | RP 21FE85 21FE85 | I'm sound | C.699 220uf 10v | Replace the c699 | eletronica martins ubatuba |
| LG | 29FS4RLG CW62 | +b enters and then drops until it reaches 0v, and the power supply keeps hissing. | C 826 1000/10v elect shorted | Good tip from josé gusmão, but I replaced it with a 1000/35v one | Ádrian Chapadão do Céu-Go |
| LG | 14SB1RB | Normal audio fabric off | Resistor that feeds vcc of +9v from rgb pin 11 of ic 501, cause of burning c511 of 100uf and 10v in short | Changing the resistor r529 and c 511 tv ok good luck | george pontes |