LG TV Repair: Common Faults and Solutions.
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Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 14FK3RB | Bursting vertical ci | Tsound is no changed resistor and it just starts q813 103 | FRANCISCO FERREIRA VILA BU MARANGUAPE | |
| LG | 32LX330 | Turns on with sound without image like an all-white washed screen | T con plate shorted, replace and go for the hug | ELETRONICA PUBLISOM DE NATAL RGN | |
| LG | 42LG60FR | Turns on and off after a while | Capacitors | Replace c1128 - 1109 - 1118 all 100m/16v | Eletrônica Martins JN |
| LG | 32LD350 | Turns on works normally in a few minutes turns off | Defect in the power supply I found some components ic502 and ic503 - el817 with leakage, c509 - 10uf 50v and c510 - 22uf 50v bad, replace without measuring zd504 and zd502 - 16v with leakage small leak, zd503 - b5v6 - with leakage I put c5v6, c501 - 1k 2kv I changed it for hours and it didn't turn off | Defect resolved | Andre |
| LG | 32LE5500 | Stuck on lg logo | Soldas bgas | Remove the main plate, place in an electric oven preheated to 180 degrees for about 10 minutes. let cool and assemble again. | Eletrônica Pauly |
| LG | 32LD420-SA LJ01B | Turning off. Without the signal it takes a while to turn off. but when connecting the antenna it turns off immediately and keeps restarting over and over again. Even removing the antenna it no longer stays on. only after unplugging it. | Zd503 (5v6 zener). I put a 5v3 one (due to the lack of 5v6) and it worked normally. | Note: the internet is full of tips saying it is 15v. however, the scheme says 5v6 and I followed the scheme. problem solved. | R-Tec |
| LG | CM4320 | Display off | R.931 /10k on the basis of q.951 was open (power supply board) | Just replace it and the display turns on. | gdp2 |
| LG | 32LG30R | Doesn't start | On the main board | Check the voltage on diode d1102, tsound must be 4.34 volts on the cathode, if it is low, replace c1128,1118,c1110 and c1100 next to the diode.all on the main PCI | Cabeça |
| LG | 32LG30R | Doesn't start | On the main board | Check the voltage on diode d1102, tsound must be 4.34 volts on the cathode, if it is low, replace c1128,1118,c1110 and c1100 next to the diode.all on the main PCI | Cabeça |
| LG | 21FU4RL | Does not turn on capacitor c803 accumulating charge blinking led and power supply making tick tick tick tick and does not turn on.. | Shorted power supply: change r806 of 39k, r839: of 75k and r808: of 5.6k TV worked normally but with no audio and no video through the av. change the ic 751 to 72730 and just run for hugs. amen! | Sinaiflyback | |
| LG | 50PB650 | Service mode without service control | Watch this link https://www.youtube.com/watch?v=h6gnwdjosfc | Watch this link https://www.youtube.com/watch?v=h6gnwdjosfc | trindadetec |
| LG | 29LN300B-P | Inoperative led off | Capacitor c718 shorted | <small>GSAELETRONICA & INFORMATICA GRANJA CALIFORNIA</small> | |
| LG | 21FU4RLG | Doesn't start, power supply ticking, ticking, ticking, ticking, ticking, ...ticking. | Ic401 tda8145 shorted and d406, d407 ru4d and c420 1nfx250v | Replace d406, d407, c420, and ic841. | MARCONES DE ARARIPINA PE. |
| LG | 21FJ6RB MC059A | Low power supply (70v) reduced frame. dark image | E844 (4k7) open | Replacement | Richardo Silva |
| LG | 47LN5400 | The stand by LED lights up but does not turn on | Ic601 - switching the power supply on the bench, only the 5v voltage appears, the 12 and 24v voltages are not generated. | DNovelli | |
| LG | 47LA6204 | TV with backlight on, has sound, but no image | On the left flat below the t-con, you have to isolate with tape about three lines that are between the 7th and 15th lines from right to left. | Krause | |
| LG | 29FS4RL | Cup effect | Ic302 | Rei Leão | |
| LG | 42LW4500 | Power supply capacitors explode | Diode d603 in PCF circuit shorted | Replace d603 (byv29fx-600) and capacitors | jose almeida tavares |
| LG | 21FU1RLG | It doesn't turn on, the LED doesn't light up and a ticking noise | Horizontal output ci q402 d2689 shorted. | Replace for another equal or equivalent in my case I put the c6090 and it worked perfectly. I hope I helped. | Duliz180 |
| LG | 21FS4RLG | Doesn't start | Horizontal transistor shorted d2689, capacitor 12n 1600v ruin fly back shorted 6174v-6006h replaces 6174v-6006w and c406 -10k 630v ruin c850 - 1000uf 16v tufted on top, I replaced the TV it worked normally, within 2 minutes it turned off, I turned it on in a few minutes it turned off, as the fly back had shorted on pin +b the resistor fr403 - 1r2 1w test in the digital test it was giving 1r8 it was changed I replaced very close to this resistor 2 transistors q801 and q16 - c5343 with leakage, r420 - 240k changed It was giving 290k c409 - 100uf 16v exhausted c407 - 10uf 25 exhausted I replaced it, solved it, it didn't turn off but | Defect resolved | Andre |