LG TV Repair: Common Faults and Solutions.
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Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 47SL90QD | With image without sound or with sound without image | Bga | Reballing paid off. The expensive used plate was replaced and returned within 1 month, solution to return to the customer. TV very old headache and damage. trash | Marcelo2507 |
| LG | 32PC5RV | Sometimes the video disappears, only the audio remains, it seems to be intermittent | All voltages are normal, defect in the main PCI; replace it. | Thiago MC Jaú | |
| LG | 47LA6130 | Dark image lights up LEDs | Replace t-con plate original code 6870c-0444a for 6870c-0452a | Original tcon board code 6870c-0444a after testing a similar one but no image or image without resolution was found compatible tcon board code 6870c-0452a | iran alves |
| LG | 21FI1RL | Turns on and off, standby turns off | R816 open | Rogerio eletrônica | |
| LG | 47LE5300 | Doesn't start | Check 3.5 volt power supply. replace without measuring caps 18×50 by 22×50 and the 2 photo couplers | Jocimar | |
| LG | 32LH20R | Turns on, stays on for about 5 minutes, starts to make clicking noises from the speakers and turns off, remaining in standby mode. | Ci 1007 smd the size of a bc near the sound output | Ariel Santos | |
| LG | CM4350 | Completely erased without the 5.6 votes from the power supply | Burst resistor, open in the primary power supply r 903 of 0.75Ω | Galileu Rocha | |
| LG | 22LG30R | Sometimes it turns on, sometimes it doesn't. Blue LED lights up, does not respond to any command, does not turn on back light. | Check voltages on ic 1000. 3.3v line. Normal case, when connecting pin 7 IC 1002 tsound must be 3.3v. If you don't have this voltage, check the 3.3v line r1009 (0Ω). this said which was changed to 300Ω. | Check, replace r 1009 | arock |
| LG | 42LB9RTA | Relay knocking, tripping, crazy. | R1030 (0Ω jumper) opening, on the bottom of the main board near pin 2 of the p1000 connector. | Make jumper with wire. | Dudutekk |
| LG | 32LS3500 | TV turns on, but with backlight off. | Power supply, defect. | Replace faulty ic101 l6599. | RNSPTEC |
| LG | FLATRON M228WA-BM | Does not turn on, no output voltage at the power supply. | Zd101 shorted. | Replace the zener diode and monitor turned on again. | TECNOBRU SBC |
| LG | FLATRON M228WA-BM | Does not turn on, no output voltage at the power supply. | Ci ice3bs02 (u101) changed. | Replaced the u101 and the monitor turned on again. | TECNOBRU SBC |
| LG | 32LH570B | Replace | Smd capacitor c2306, approx. shorted to ic8100 | Replace | Clagel |
| LG | M2431D | Changing channels and turning it off by itself | Problems with touch panel. a lot of oxidation even after cleaning the defect remained. | It was necessary to remove the keyboard control integrated, maintaining only operation via cr. | Jefferson |
| LG | 32LK330 | Sometimes when it turns on it comes with an image. hour without image. normal sound! and voltage that powers the tcom board varies downwards, remaining between 6.5 and 10 volts when normal is 12 volts | Precision resistor. r209, from 9k1 | Nunes | |
| LG | CM4420 | Sound turns on normally but no audio | Oxidized plate and corrosion on the pin of the parts | In my case it was the PC903 photo coupler and the FB 902 coil, the pins were rusty, this power supply generates the power supply for the amplifier ok | Galileu Rocha |
| LG | 37LD460 | The standby LED lights up, when you press the power button the LED flashes and the power supply and main board produce some noise. | C401 and c402 of 100uf x 16v on the main board close to the power connector. | Replace components without measuring. | |
| LG | 37LD460 | The standby LED lights up, when you press the power button the LED flashes and the power supply and main board produce some noise. | C401 and c402 of 100uf x 16v on the main board close to the power connector. | Replace components without measuring. | |
| LG | HT503 | Wi-Fi boxes don't work | The wifi transmitter was not turning on, the main cis and the transmitter wifi board were resoldered. it was ok | Dennys Gross | |
| LG | M2752D | Short at the input killing the 19v | C804 shorted near the buzzer | José Moura |