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-20CB20A | Dark image without brightness the osd appears normal only the image is dark | D502 open abl line can put 1n4148 works | Replace d502 I put 1n4148 it was beautiful | beto2828 |
| LG | 21FJ6RB | Low supply +or-82volts/led lights up presses power gun relay but doesn't turn on, checking almost everything | Ci 501 (lg631 9r) | I had already checked almost everything, lots of tips on the websites and nothing, I just had to replace the ci 501 and the TV started working normally again! | xande |
| LG | 20CB25A | Vertical varying closing opening | C.544 shorted | Replace the same and go out for the hug | eletronica dimencional |
| LG | RP-21FE85G | Normal league, with sound + no image | I found the screen missing. I released the screen cable that comes from the flyback + tsound was no tension. | The flyback was replaced and as a precaution; I replaced the focus unit and gave it a "nudge", with the TV on, with the screen cable on top of its connection and it worked. | ROBERTO PORTEL |
| LG | MONITOR FLATRON L1753T-BF | Turns on and after 10 minutes it loses image | Wear of the electrolytic capacitors of the internal power supply, due to excessive quality or temperature | Remove all capacitors from the power supply line and replace with similar ones, (even if the capacimeter shows that they are usable) | bynelsinho |
| LG | 29FE8RL CW-62A | Turns off after a while | Defect in protection +b | R 843 220k open or replaced | ALEX/FETTER |
| LG | 21FJ8RL | Horizontal output, 2sc6090 shorted. put another one, it burns instantly. | 18kx2kv capacitor c414 without capacitance. Replaced it, solved the problem. | nachbar | |
| LG | 29FU6TL | Small image +- 20" size, | Capacitor polyester c-463 18n | CACER | |
| LG | 29FS4RL | Power supply oscillates and turns off, tsound is no +b | Ic 802 photo coupler shorted. Was it worth the tip? | SIGNAL ELETRONIC | |
| LG | 20CD2R | No audio | Electrolytic capacitor c611(47x25) was shorted, replaced and returned to normal | Valmir Gold Eletronica Ubatã-BA | |
| LG | RP-29CC90 | Reduced frame on the sides. | D401 with one of the internal diodes open. This component is connected to the horizontal output collector and pin 1 of the flyback. | Altevirlima_Valparaiso Eletrônica_Ananindeua_PA | |
| LG | CP 15Q90 | Black screen (increasing screen = white screen), with sound. | J83 open (fusistor), 12v line, and shorted diode, kills 12v d202 (no 5v from seletronic) | Mauriílio | |
| LG | RP20CC20 ? | Inoperative;reg ic804(ka78r12) had 14v at the input + Ñ had 12v at the output. | Q13(c945c) with leakage, did not supply 5v to excite the reg ic 804(ka78r12) | After replacing the q13 (c945c), the TV was ok. | CLAYTON |
| LG | RP-20CB25A | Normal image for 20m then reduces the frame | Photo-coupler | carlinhos100 | |
| LG | 21FJ6RB-LD MC-059A | No contrast abl line | Replace the d502 1n4148 | FERNANDO | |
| LG | RP 14CB25A | High power supply above 150v and cuts out. | See photo coupler resistors, in my case it was r816 | Ps. This circuit does not use 110v | Master Eletronica |
| LG | LG60PS80 | Turns on and then turns off | Ic 251 with defeiro. check the 12v line if it has 9v or 9.9v replace this ic | Undo the connections on the power supply board and turn on standby on with shorted relay stanby so that the power supply can operate and check this voltage | ELETRO CENTER |
| LG | P20CB62 | The sound was low with 30% gain even at maximum volume | Msp3425g according to b8 vz | After placing another one with the sound it was normal, reaching the maximum power in the speakers | JOSÉ GUSMÃO |
| LG | RP20CB62 | After the image appears and the sound appears after 3 seconds, it turns off and tsound was a 5cm closure on the sides | Ic 501 a8823cpng4nn7 | After putting another ci it was ok | JOSÉ GUSMÃO |
| LG | 14FK3RB | Tall and short | R 815 | Replace the same and go out for the hug | dan levita |