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 | CP-14B85 | When trying to activate, it returns to st.by. | TV. It had +b on pin 3, but it armed protection. | Checking voltages, the 12v power supply ~did not fix in the reg. ic 804, however the cause was the vertical output ci la7833 which took this voltage to ground due to the internal short. | ELETRONICA ESTUDIER- CANOAS RS |
| LG | 42LG30R | Sometimes it turns on and sometimes it doesn't turn on | R128 | Put 18k or 20k | luiz melo |
| LG | RP-14/20CB25A | The LED lights up, the relay turns on and doesn't work. It has 110v, it has 10v but it doesn't have 9v. | I know it's a bit rare for a shorted electrolytic capacitor but, in my life as an electronics specialist (35 years), it must be the 2nd one I've found to have a shorted. | Replace the 470/16v c850 and good luck! success to all. | pernambucano |
| LG | RP20CB20A | Very dull brightness without contrast | Check d501 d502 with leak replace it with 1n4148 and that's it | ELETRONICA COLOR TEC - MAUĂ SP | |
| LG | FLATRON EZ T730SH | Screen completely dark (black), monitor has a mat, triggers the relay normally but nothing appears on the screen. | R450 de 120k | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| LG | RP21FE85 | Don't tune anything | Welding inside the varicap | Redo the welds | Xoba |
| LG | 14RP | It only stays on standby and does not start | +b normal shz normal | In my case it was the tda2006 sound output, the replace was normal. | fernandocamarques |
| LG | 14K40 | No picture no sound shutting off in a row | Defective vertical outlet 8403 | ||
| TV LG | RP20CC25 | Image with little brightness even when increasing scrim | Shorted diode in abl line | moroni | |
| LG | 21FJ6RB | No audio | The defect was in the Q501, it was replaced and the audio returned to normal | VALMIR HERMANN | |
| DVD LG | DV361 * | Turns on and then turns off | C-123 leaking due to power outages | Its replace for the more powerful one. | wagner |
| LG | SOM | Very low sound, sometimes it works normally | Strx 6759 with a small short | Replace the same | fofao |
| LG | 21FX5RL-LD | It turns on and then turns off and tsound are times when it doesn't turn on. | Power switch sw801a same as semp toshiba | fabiusmax | |
| LG | 29FS4RLG CW-62A | TV doesn't work. +b doesn't have it. | I disconnected the deflector coil and measured, it was shorted vertically + horizontally. | Changing the coil, and everything worked again. | pernambucano |
| LG | 26LG30R | Turning off every 15 minutes | J 104 (protection) disconnect below the two 47x250volt capacitors | HP ELETRONICA | |
| LG | PR-20CB20A | No contrast in the image, but menu with normal contrast | D502 shorted | Replace d502 (1n4148) | andlss |
| LG | 29FS4RLG | Turning off | 43 | roni silva | |
| LG | LG32R30 | After turning off the control, the device does not turn on | Remove zd112, zd111, c108 (according to LG circular) | MARCELO BERNARDINO | |
| LG | LG32R30 | After turning off the control, the device does not turn on | Remove zd112, zd111, c108 (according to LG circular) | MARCELO BERNARDINO | |
| LG | LG30R LA85D | After turning it off using the remote, the device does not turn on | Modification as per LG circular (remove zd112, zd112, c108 from the power supply PCI) | MARCELO BERNARDINO |