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 | RP 21FB32 | Loses video (black screen) | D405 (1n4148) with leak | Mauriílio | |
| LG | 21FJ6RB MC-59A | After a minute, the keyboard and panel don't work (can't change channel, volume, menu) | 5v voltage was above 7v | Replace 78r05, memory and ic 501 | pedro eugenio |
| LG | 21FS7RL MC-059C | No characters | Dz 412 9v1 | geraldo | |
| LG | DV497H | Does not read any type of media | Spindle motor (disc motor) defective, locking | Replace of the same. | jheliocavalcanti |
| LG | 21FJ8RL | Don't tune in | Capacitor c502 | Replace capacitor c502 | Fabio |
| LG | 29FS4RL | Vertical retrace line across the screen normal image and sound only retrace across the screen | Polyeste capacitor 306 is close to the p 401 baffle connector on the motherboard | pedro santos de medeiros | |
| LG | LCD VARIAS | Does not turn on LED lights up | Guys, these LG LCD TVs are very common. This defect is caused by a diode on the main PCI D 1333 that shorts out, I've had it on several 32" LG LCD models. | Roberto Consertos | |
| LG | 21FJ6RB | Vertical opens +/- 10cm in center of fabric | Capacitor .47 no pino16 do ic501 | Joseni | |
| LG | CP - 20K70 | Pink image | Change the kinescope (tube) | BARRETO CRUZ | |
| LG | 29FE8RL | Vertical closed from half down | When changing the ci it showed retrace lines with 3 colored lines at the top. verified that the ci burned immediately because of the d301. | Tda4863aj d301 1n4005 c419 e c415 1000x25 | neweletrotech |
| LG | CP20B85 | Narrow vertical bands rising | When the demagnetizing coil is disconnected, they disappear | Place two capacitors of 4.7nf and 10nf in parallel with the coil | gavioli |
| LG | 21FJ6RB MC059 | Closed image on the sides, +b with 86v sometimes varying to 110v falling horizontally | In this case it was the ic-802 (photocoupler), change it and move on to the next one. | Jorge fontes | |
| LG | 29FS4RLG | Sometimes it doesn't turn on via the control or turn off, other times it doesn't even turn on the standby power supply | Standby power supply had high voltage, normal is 6v | Q881 near the standby transformer | millennium |
| LG | CP 20K40 | Dark screen with no audio | Open scrin regulator | Tocar fley beck | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| LG | 14FK3RB | Stand by led does not light up normal secondary power supplys when turning off the IC 806 control the TV turns on | Electrolytic cap.543 (220/10) in total short, located at the bottom of the vertical outlet heatsink | Replace the capacitor and check that tsound were no damages in the zener zd 802 | ms eletronica-marcos japaratuba |
| LG | 29FX5A | No video | Resistor r926 aberto,capacitor c929 | gavioli | |
| LG | 21FU6LT | TV doesn't turn on LED turns on and off power supply charging | R806 39k aberto | ||
| LG | CP-14J52 | Image shaking the vertical | R 308 | Replace the same and blzz | eletronica dimencional |
| LG | 21Q24 | Only on standby | Replaced original fly back (6174v-6003c) for an equivalent gradienttv 20 mi (154-177j) | Sérgio Takashi | |
| LG | RP20CB25A MC059A | Turns on with no image and no sound with filament lit, when pressing TV channel it works normally for a few seconds, then the defect returns | Q403 bf421 changing intermittent | Replace | paulo-maceio/al |