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 | 7722N/7822N | R101 and r104 open. | |||
| LG | D30/3C | Dead | Cc503=100k cc504=100k cc505=47k | ||
| LG | FLATRON 563SL | Screen shaking | C 100u/16v altered | ||
| LG | 29C85 | Dead | R831 and r437, check high output. | ||
| LG | 29C85 | After 50 seconds on, the TV closes the vertical position, mutes the audio and turns off, remaining in stand by, no longer turning on. after a while off it starts working again | Cold solder. Check welding on all cis, transistors, connectors and high power resistors and the TV started working again. | ||
| LG | CI29H40 PC8KA | Tsound was a bright white screen with flyback lines on this set. the a1 adjustment had very little effect | I found that ic901 tda6108jf on the tube base was faulty, pin 7 blue o/p and pin 8 green o/p both read s/c to ground. note: this chip was probably taken out due to the tube flashing over as in my case | ||
| LG | CZ-20E60 11.1 | Stuck in standby with no line drive | R410 o/c | ||
| LG | CF-28A50T PC-58A | Flyback lines on pic | Check resistor r351 in front of tda8350q. it should be 3.6 k. i replaced with 3.8 k and it worked fine. additionaly check: r708, fr704, fr359, q351, q345. if fault persists try replacing the tda8350q | ||
| LG | 21FB32 | LED stays on, but no image or sound appears | Ic 805 (se110) | ||
| LG | RP-14K40 | Power supply does not turn on | Ic501 * 1231cn | ||
| LG | RP-14CB20A | No audio | R624 - 22k | ||
| LG | 21M21MQ | TV turns on, works for a few minutes and then turns off. | R831(123k 1% tolerance) changed | ||
| LG | RP-20CC20 SC023A | White screen strobe effect | Replace cinescopio socket | ||
| LG | RP-20CB62 | Ch.power changing channels | Eeprom | Re-record | LUCIANO |
| LG | RP-20CB62 | Turns it off on CR and it still generates | Q13 | Switch short | LUCIANO |
| LG | 29CC2RL | When turning on the key it takes a while to start and then it starts with a wide gap and the image shakes, wanting to close | Power supply defect not stabilized, I changed the photo coupler and the problem was resolved | luis carlos de belford roxo | |
| LG | 29FU6TL | With audio, but the image is weak, like a bad tube, when the screen increases, the image flashes without focus | Vertical output, as incredible as it may seem | jefferson godoy | |
| LG | 20CC20 | Horizontal line (closed vertical) | Replace r301 470r | FLIPFLOP | |
| LG | 14FK3RB L2 | He doesn't come out of standby even with a brave prayer. | After three days of testing I decided to send this TV to Mestre Nonato in Santa Cruz/RN. | Forwarded to electronic nonato. | Rondinele_Serviço Especializado Semp Toshiba_Campo Redondo/RN |
| LG | RP-29CC90 | Frames on the sides | Change | sergio |