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 | MCD112-AO | All normal functions but no sound | Current variant | Adjust service parameters | monty jr |
| LG | 32LX2R ML-051A | Don't care, totally dead!!! | Capacitor c221 - 1000uf/10v on the stb line. 5v. (in the power supply secondary) | Replace capacitor and resolder the entire board | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| LG | 32PC5RV | Spot on the display (looks like the display is defective) | R 438 open (2r2 1w) | GALLI ELETRONICA | |
| LG | 21 FJ6RB | Reduced frame, +b of 103 was with 78 votes. | Photo aclopador, It's about changing, working and moving on to the hug. | ZINHOSNET | |
| LG | MCV 904 | No sound on all channels | Shorted diode and open resistor | D954, d953 shorted fr971, fr972 open 0.2r each | Eletro Center |
| LG | 14 PRETA | When pressing the power button the LED turns on and off as if it were oscillating but it did not oscillate | Missing 12 volts on pin 3 of ic 804 | Replace regulator ic804 7812 and that's it. the TV started working again | JAILTON |
| LG | 21FJ8RL | Vertical closes about 10cm above and below the screen after a few minutes | It was the s.vertical la78141 it could also be the 100n c525 | lima100b icoaraci Belem | |
| LG | 21FJ8RL | Vertical closes about 10cm above and below the screen after a few minutes | It was the s.vertical la78141 it could also be the 100n c525 | lima100b | |
| LG | 29CC9RL-L1 | The LED does not light up and tsound is no voltage on the secondary | Change the photo coupler | fabiusmax | |
| LG | 29CC26 | Time it turns on, time it doesn't turn on | General key | When closed, it would sometimes turn on, but you had to press it hard and sometimes hold it, when open it worked normally, the key was worn out and tsound was no space to turn it on with it closed in the cabinet! | pfa |
| LG | 29FS4RLG | X-shaped screen or non-standard convergence | Cold solder p1407a horizontal plate that is on the bu heatsink next to the flaybek | Help yourself, leave your tip ass.arni | ELETRONICA ARNI-LEOBERTO LEAL-SC |
| LG | RP-15Q95A MC059A | Turning off after a few minutes (all normal power supply values) | Fr403 (1,2r) auterado | Replace fr403 (1.2r) | fernandocamarques |
| LG | 21FS4RLG | I'm sound | Enter the setup (control menu and TV menu) and see the 2real stereo option | *Bau* | |
| LG | RP20CC25 | Fully closed vertical | Eeprom deprogrammed | Programmer | ANTONIO NOBREGA(PATOS PB) |
| LG | RP20C62 | It just kept drizzling (solved) | It was c108 1000uf 10v shorted | Eletroclaudio Aguas Belas PE | |
| LG | 29CC2RL-L1 | Does not turn on - LED does not light up, secondary power supply 0 volts | Power supply sensor ic802 | Replace it and, good luck!!! | ARNALDO A. M. |
| LG | 21FU4RL | Does not turn on the weapon power supply and then disarm it | Open 27k r842 | Replace, and good luck!!! | ARNALDO A. M. |
| LG | 710E | On and off. alone when touching the board | Resistor broken in half | R405 2k2 1/4 | Eletro Center |
| LG | RP14CB20A | +115 absent, power supply "hiccuping", +b returns to normal when pin 3 of the tsh is disconnected. | C417 (220pf) in cuto. | altevirlima | |
| LG | RP14CB20A | No video, normal audio, if you enlarge the screen, retraces appear. | Q904 on the kinescope board with cold solder. | altevirlima |