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 | RP20CB25 | Thin horizontal lines forming a square | Eprom | Replace | moroni eletronica |
| LG | 29CC2RL-L1 CW62C | Doesn't start | Q302-k2961 = k2723 / dz301-12v / d401 e d402-mur460 = by228 | Replace mentioned items | eletronicaapolo |
| LG | 29CC90 | The TV doesn't turn on, the LED doesn't light up, all power supply voltages are normal, the power supply to the micro is normal, but it kills the power supply to the pre collector and the TV doesn't turn on. | Micro | Micro replace | macedo domingos |
| TV LG | 21FU1RLG-LS MC-059C | Power supply turns on and off | Horizontal output q402 if still not connected fr403 r407 cp 409. 311 | cunha753 | |
| LG | 32LD420 | Turns on and off in a few seconds | IC 600 working voltage is very low | Short in r610 | Alvaro (prolar) |
| LG | RP-14CB25A | Image without horizontal synchronization | Ic501- oictmsa002f ou oicmsa002f | samuel leite | |
| LG | 21FX5RL MC059A | Vertical timing, image flipping | R512 | luciano | |
| LG | 21FJ6RB | It doesn't work, the stand by LED comes on, when you press a key the LED goes off, it hits the relay as if it were going to turn on but it comes back to stand by. +b with 111 vdc power supply +b9 with 6vdc | Horizontal driver with poor contact | EDGAR THIZ | |
| LG | 20CD2R | TV doesn't turn on, stays on stand by (LED on). Then the LED goes out and returns to stand by. | Resistor fr03 1r2 open. | I replaced it and everything was ok. | ELETRONICA IDEAL |
| LG | RP 29CC26 | Expanded image | C 406 shorted | Replace capacitor. | DEBIQUE |
| LG | 29FU6TL | I'm sound | L510 open c513 of 330µf/10v raw | Replace both | orlando lott |
| LG | CP-29C85 | Cushion effect | Fr436 3r3 e c430 47yf/50 | Resolder horizontal area, and the fr 436 is enveloped in front of the vertical output heatsink | Ádrian Chapadão do Céu-Go |
| LG | RP-29CC90 | It turned on and after a few minutes it turned off | I thought it was the protection that was acting; it wasn't. it was the transistor q801 close to the secondary power supply | Note; Sometimes it is protection that makes this defect. A hug guys; I hope I helped. | DIEGO LIMA; NOVA TIMBOTEUA PA |
| LG | CL21FB32 | Doesn't work | After changing the q402, the TV turns on the LED but as soon as the power is turned on, the power supply varies and does not work | After several tests, I measured continuity of the mat cable and the tsh ablno was shorted | pedro eugenio |
| LG | RP-29CC90 | Half pink screen.abnormal colors | Change memory | Played to memory and made adjustment | DANGRA ELETRÔNICA |
| LG | RP20CB25 MC-059A | Image warping, no synchronization, agc very strong | Change capacitor without testing c502 22k on pin two of the ci | micasete | |
| LG | 42PQ30R | It doesn't turn on, it only lights up the LED | 352 diode shorted | Replace it with a philips sb5200, I previously used an in5408 which heats up a lot and shorts out again. | MB ELETRÔNICA |
| LG | 29FX5CL-LG | Turns off in 20 minutes | R843,220kaberto | próton eletrônica,Avelino lopes-pi | |
| LG | 42LB7DF-SB LJ-81A | Takes time to call | Secondary power supply with puffed caps | Replace inflated caps on the secondary, c202, c217, c218, c226, c210 and c206, all 105 degrees | Romolo Filho |
| LG | CP 29K35 | Horizontal output transistor burning | C 404 | Replace capacitor 27k | Ademar |