LG TV Repair: Common Faults and Solutions.
Search: LG
Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 21FU6TL | Cushion effect | D405 (1n4148) | Replace | Eletrônica Mauro Mascarenha Parazinho Ceara (88)981422821 |
| LG | DH4130S | Power supply with very high voltage caused sound outputs to burn out | R 919 with broken pin in front of the str, ic 904 sn431, the two sound outputs tas5612la | After changing the components, tsound was no sound and it turned off after 30 seconds, so I analyzed the circuit and discovered that the q704 was open, tsound was no 12v on the emitter that goes to the outputs, the replace was made and resolved | PATRICK ELETRÔNICA |
| LG | RP14CB25A | Normal league. when you place the antenna on the varicap it turns off | Replace capacitor c409 ,220x16 e c540 ,4,7x250v perto do flyback | DJ PITUKA | |
| LG | 42LD420 | Stuck on lg logo | Air 1217 open | Check all resistor banks connected to the TV's memory, one of them will be open. | Alex Lopes <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | 32LD350 | TV does not tune channels | Lack or change in the +b of the celetronic | Replace ic406 on main board | Grande tecnomais |
| LG | RP20CC97 CW81A | Vertical closed | Precision resistor 1k normal location reference. r301 was open, it was replaced and the TV worked | ||
| LG | CP-14J52A | Did not tune channels | Low voltage at 30v | Replace c103 10μF/50v | Eletrônica maron |
| LG | 32LB3RS LP70A | Hissing sound at low volume, especially on hdmi | Several leaky capacitors, but the 100mf c1112 is the one causing the problem. It's on the left edge of the board, next to the memories. | Capacitor replaced and pci cleaning | André |
| LG | 21FX5RL | Defect:! with image. shrunken, not vertical. impenetrable on the right and left sides | Bad deflector, just change it and the TV works normally again | Cicinho | |
| LG | CM4340 | No sound, killing the 12v | C714 of 100n(104) shorted | Replace and run for the hug | Marcondes Ohm Eletrônica Jaicós PI |
| LG | 42LD460 | Turn on the lamps 3 times, then the red LED flashes | Charred lamp plate causing high voltage leakage in the chassis, puncturing the insulator | As I didn't have the board to replace, I isolated the charred parts with self-fusing tape. | Propaulo1 |
| LG | 32LN5400 S/N | The long LG type appears and keeps restarting all the time | In my case it was 01 LED changed, I changed it and it resolved | To identify the defect, disconnect the power cable from the LEDs, if the device sounds the defect and the LED is altered or damaged, just touch the LED and run for a hug!!! | JORGE ASSISTÊNCIA TÉCNICA COTIA SP |
| LG | 32PC5RV PSPU-J706A | Does not turn on, LED flashes green a few times then returns to red | Lack of tension | Replace r801 and c804 | NARDINHO ALFENAS |
| LG | 42LE5600 | Without image on the hdmi inputs, it recognizes that the connection was made, but tsound is no signal. | Bga lge processor solders, | Do reballing. | davi.sls |
| LG | 21FU6TL | Inoperative stand bay ledy off and overcharging the power supply capacitor. | Zd851 | Replace the zd851 if you don't have this diode, remove it from the board and the TV will work normally! God be praised! | Sinailson furtado |
| LG | CM4350 | It doesn't turn on, or keeps changing functions, as if it were a defect in the panel switches. | Short between the key tracks and ground. | PardalX | |
| LG | FLATRON 20EN33SS-M LM13I | Does not turn on, stand-by light does not come on. | Ceramic smd capacitor in position c404 0.47uf x 25 volts short! | Fernando Eletrônica Millenium Curitiba | |
| LG | 32J600B | Doesn't start | C623 shorted | presto | |
| LG | 32LH20R | Lamps only blinked | Ci mosfet double open channel did not send the 12v from tecom | Replace ci mosfet position 1003 on the motherboard near the connector that comes from the power supply or make a jumper from pin 1 straight to 8 | EDSON SOARES |
| LG | MCV904 | Turns on and locks panel = (welcome) | Fr974 and fr975 of 0.2r | PardalX |