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 | RP29CC90 | It makes noise and the LED keeps flashing, it doesn't turn on | Caoacitores primary power supply exhausted | Replace the primary power supply capacitors, all 470 x10v and others as desired | orlindo |
| LG | CP-15Q90A | Vertical closes after it heats up | Capacitor c316 - 0,47u | Domingos da Eletronica | |
| LG | 21FJ | Tv inoperative | Photocoupler replace | augusto | |
| LG | RP-14CB25 | LED turns on and off and does not oscillate +b-112v, ic804-8v, 1c806-5v and hvcc-0v | Capacitor c-523-470uf/10v on hvcc line pin 19 of ic501 | Replace and go for the hug | samuel leite |
| LG | 26LG30R | TV turns on and off by itself and does not respond to the control or keyboard | Shorted contact switch | Replace | EletroClaudio Aguas Belas |
| LG | 21FU6TL | Tries to oscillate but goes back to standby | 1r2 resistor fr403 with changed value on the +b line | With the replacement of the fr403 it worked beautifully | ELETRÔNICA CARLOS |
| LG | LG29FS4LS | Heats horizontal outlet until it burns | Check dz 402 and the main thing is the counterfeit transistor itself has to be the dfx 2310 | It has to be a transistor with an internal diode, it's perfect | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| LG | 29Q20 MC-99 | Without horizontal correction, frame varies with contrast/brightness | R326 changed | WARLEY CESAR | |
| LG | 20CB | Blank image or completely dark screen, contrast does not work | D502 abl line, is close to the av entrance | Replace it, you can use an in4148 | eletronica fernandes(to) |
| LG | RP21FE85G | Power supply and oscillation are all normal, but without luminance | Change tube socket | EDMILSON | |
| LG | MS3047G | Shorted capacitor | Aluminum | Microwave | alex |
| LG | 29FE8RL | Doesn't work, doesn't even light up the stand by LED | Resistor aberto r-883 (180k) | Replace for another | This email address is being protected from spambots. You need JavaScript enabled to view it. (Bruno) |
| LG | CP20J52A 023A | It only works in hot weather, the power stand-by switch turns on and off and doesn't come on again. | Chap. elco 826 and 850 replace without testing. | PRÓTON ELETRÔNICA,AVELINO LOPES,PI | |
| LG | 29CC9RL | East/last defective, screen missing from the sides in a cup effect, like that ) (does not correct east least) | Transistor q302 without emitter replace q 302. | WAGGUINHO | |
| LG | 29CC2 RL | Dificil no mercado fly-back original 6174v-5017a =6174v5003r=5003w | And just substitute ok | ZEZINHO DE GOIANINHA | |
| LG | 42PQ30R | It doesn't turn on, the relay goes off and goes into protection | D352 vsb3200 I put a uf5404 (fast diode) 3a x 200v | joaomvjr | |
| LG | 21FU6TL | No sound in rf and av | Eeprom memory | Resolved with replace | PATRICK |
| LG | RP20CB20A | TV working normally but at the top of the tube defective image | R=301 | Replace and analyze some more components | ELETRONICA MEDEIROS |
| LG | LG29FU1RS | TV inoperative power supply does not arm or light up the LED | Open 190k r883 | Replace | EletroClaudio Aguas Belas |
| LG | 26LG30R | The TV works normally for a few moments and then turns off successively | The factory solder loses its alloy, you can't see it even with a magnifying glass | I resoldered all the sms from the power supply, I didn't remove anything or disconnect anything and nothing was replaced | camposmogi |