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 | DP132 | Difficulty calling, sometimes it turns on, sometimes it doesn't turn on. | Photocoupler | Replaced and resolved. | Vander CDs de Quixadá CE |
| LG | 29CC2RL | Tsound is an image without sound | Capacitor c808 swollen | Swap c808 | ELETRONICA KLEIN |
| LG | 21FU1RL | Vertical closed at the bottom | R313 = 47k aletrado medindo 64k | Replace it with another and run to another | Antonio Carlos (Eletrônica Renascer) |
| LG | 21FJ6RB | LED lights up but doesn't turn on | Capacitor c11 close to the micro | Exchanging it and running for the hug | kleybson silva |
| LG | CM-4350 | Turns on normally, without sound, for about 2 minutes and goes to s-protect | The 12v regulator - kia78r12 only released 7v instead of 12v. | I replaced the kia78r12 and it solved it. | Pedrinho |
| LG | 21FS4RLG | With all voltages with sound but no image | Defect in the tube killing the screen voltage | Remove the solder from the screen pin on the tube and increase the screen to maximum and with the TV on, touch the screen cable several times to the pin you released until the image appears | Mario Moreci |
| LG | 32CS460C LG | Turns on and then turns off. | I changed the c215=470mf 10v and resoldered the power supply board. | ELETRONICA MELO-BOA VIAGEM CEARA | |
| LG | 32LN570B | Does not enter the channels | Selector | Leopoldo | |
| LG | 50PA4500 | When connecting the socket, the relay arms and disarms. When pressing the power key again, the relay arms and disarms. | 5v present on the power supply board, but tsound is no va and vs. check q601, c802 and th01, if they are good, change ic801 | Ic801 (ncp1397bg) smd under the board. Just as it was useful for you, leave tips sound to help other technicians. | Elias |
| LG | RP14CB25A | Vertical closed | R316 1k r301 468r | ||
| LG | 32LN5400 | The TV turns on, the logo appears and turns off, it turns on again, the logo appears, the broadcaster appears for a short time or longer and then turns off. | Wobbly screws on the plates that connect the ground to the housing or chassis. | Cleaning the contacts and tightening the screws. | Joel |
| LG | 32LM3400 | With sound and without image | Lack of 24v at the backlight inverter input, causing loss of image. | Replace the ic 101 which is a sc1s311 sop8, checking the 24v | Antony Garcez |
| LG | 29FS4RLG | Do not arm the power supply | Low capacitance in c822 | Replace c822 | Arly |
| LG | 50PN4500 | It turns on and seconds later it turns off | C802 shorted or devalued, replace | If it does not solve, replace the ic204 or similar short in lower y-sus | Enigmahernandez |
| LG | RAD125 | Doesn't work | Leak d913 near ic902 | Ogeid | |
| LG | RP-21FE85G | Does not help | Short fly-back | Replace o fly-back bsc25n-1651 | Sinailson furtado |
| LG | 42LH35FD | The channel number appears, then the image disappears and everything locks | Power supply d1.2v- c829 - 330 mf/4v with leakage but not shorted (sometimes the TV turns on normally and sometimes not)l | Replace capacitor | SANTOMEL |
| LG | 26LC2R | Does not turn on, relay knocking and LED flashing | C 208 from the power supply | Replace c208 1000µ 16v | Marcelo Piranga |
| LG | 47LEX8 | Flashes the logo | Power supply defect pfc power supply failure | Repair in open 30r resistor ocp circuit | Marcos infotron-ltda |
| LG | CL21C650 ML | Closing at the top, and then turns off. | D405 rgp 10j fraco. | Just replace, this diode is from the negative 16v power supply. | guinga sdia goias |