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 | CM4330 | Turns on, reads pen drive without sound and goes into s-protection | Q953 heating up a lot, I put an inverted tip41 and it worked. | Replace | Marcondes Ohm Eletrônica Jaicós PI |
| LG | 32PC5RA-MF | TV does not turn on or switch to standby, normal 5 volt standby power supply. | At the output of the regulator ic903, tsound is a 0homs resistor r951 | R951 open, just replace it. | Daniel Dega |
| LG | 42LN5400 | Turning off after half an hour on | Change power supply capacitor c201 | CLEBERLIMA RS | |
| LG | 42PG20R | Greenish and reddish or bluish image | Memoria u802 24c64 | Record or replace memory | Sylvox |
| LG | 42LW5700 | Doesn't start | TV arrived completely stopped, I checked that one of the fuses was not powered by one of them. Checking the tracks, I found oxidation practically imperceptible to the naked eye. I redid the track and the TV was fine. | Fix tracks with signs of oxidation | beto_eletrotec |
| LG | 32LV300C | Doesn't start | Capacitor c918 burned and fb9101 open. check q9101. | If this does not solve the problem after replacing the components, the c.i 3s121 ref u9101 is defective. | CELSOKAYRAN |
| LG | 32LY340C | Burning leds | Change the LEDs and remove R816 from the circuit to reduce the LED voltage to 108 volts | Replace the LEDs and remove R816 from the circuit to reduce the LED voltage to 108 volts | antonio nobrega (patos pb) |
| LG | 42LD460 | Turns on, lights up normally, turns off and turns on and off again 3 times, then turns off and the red LED flashes. | I observed c204 and c 219 puffed up. After repairs, the defect continued. I noticed "hissing" in the lamp transformers, t703 and t704. I noticed high voltage leakage at the lamp terminals. I dismantled the screen, turned it on, noticed a high leak, no spark marks on the bulbs. I assembled everything and found a defect on the power supply board. After checking, I found VR 301 changed, replaced it, problem solved. | Replace c204, 219, also replace c205 and vr301. | arock |
| LG | 26LC7R | Image freezing/freezing/waterfall effect/horizontal bars or even no image | Display cofs are coming off. These are those golden flats that connect the glass to the screen plate. Looking at the original position, it is the first one from left to right. | Fit this flat with a heat dissipation rubber similar to the ones that go on plasma screens. It happens a lot on 26" Chimei displays, both on Samsung and LG. | PL Eletrônica |
| TV LG | 42LY340C | Does not even turn on standby | In my case it was the main board | Just replace the main one and get the real one | eletrônica ressonante |
| LG | 42PJ350 | Alloy with dull image grainy image | 607 resistor open. | Resolved. | Fernando rj |
| LG | 29FS4RL | Turns on works, when turned off using the control, it only turns back on with great insistence. | Cause: zd827 shorted, replace or remove it and the TV works normally again | Eletrônica Santista | |
| LG | 32LP360 | When plugging into the socket, the red LED flashes twice and no longer lights up, only to light up again after removing it and putting it back into the socket. | Two LEDs on the bars burned out, causing the power supply to go into protection. | In this case I replaced all the LEDs on the bars, even the ones that were still working, in a technical case I don't just have the original LEDs, changing the bars for new ones also solves the problem. | Margutek.BVA |
| LG | 21FU4RL | Japan Fund A Nishida Horizon et al. | C414 eo c406 | Changing the 18j1600v c414 and the 18j630v c406 means placing a bu1508dx horizontally | Sinailson furtado |
| LG | 21FU4RL | Japan Fund A Nishida Horizon et al. | C4414 eo c406 | Changing the 18j1600v c414 and the 18j630v c406 means placing a bu1508dx horizontally | Sinailson furtado |
| LG | 32LG30R | Does not turn on inoperative | It didn't have 5v | Ci u500 ncp1207a and resistors r256 and 257, both 5k2 open. | Eduardo tomas silva |
| LG | 43LJ5550 | Bluish image | Defective LEDs | Changing the LED kit | tecnosat |
| LG | 21FJ8 | The sound turns on normally and tsound is no image or characters | Faulty memory | Replace or rewrite memory | Raimundo de maraã |
| LG | 21FE85G MC59A | I'm sound | Eeprom | I tried everything, then I replaced the eepron and went for the hug | agildo andrade |
| LG | CM4630 | Going crazy after a few minutes of operation changing functions alone | Touch keys and lines on the conductino board | Changing the keys and connecting the tracks directly with wire solved the problem | charlotniu |