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 | 49LH5150 | TV does not turn on with the standby LED on | Ic 500 drive (mp3378) em curto | Replace o ci smd | Lucafer |
| LG | 21FU1RLG | Did not generate high voltage | Fr403 | Replace of the same | Cassiano |
| LG | 42LM6200 | TV turns on, appears immediately and no image remains, only sound remains. LED blinks 4x on the power supply board. | Precision resistors altered in the power supply r281 r282 changed the voltage to 90volts making the TV turn off the LEDs. | eletrofepar | |
| LG | 14FK3RB | Does not turn on without secondary voltage | J241 and a 1k5 resistor | Replace the resistor in position j241 of 1k5 | Eletronica Shalon |
| LG | 32LD320 | Inoperative does not turn on. | Blown fuse, k13a60d mosfet, and the main villain lb601 coil burned underneath. | Replaced all the TV started working again | MELVITECH |
| LG | CM-5660 | D-protec | Tsound was no voltage of 43v for the outputs/ zener diode zd90 shorted and r906 open | Bryan / Jaraguá do Sul SC | |
| LG | 42C1RC | Hdmi only works when we add hot air. solution | Swap c1047 | Replace c1047 (100×16v) | Edu |
| LG | 32LK615BPSB | No image, good LEDs | Solda fria na reel l801 | Eletrônica Cecé. Brumadinho MG | |
| LG | CM2730 | No sound, everything works normally but tsound is no sound | Lack of power for the audio output (the 28v power supply) | Changing the photocoupler and resoldering the 28v primary part. | Baguatech |
| LG | 32LE4600 | Doesn't start. When activating power, the red LED gives a quick reset and disarms the relay | C201 and c202 on the power supply board exhausted | Eletrônica Cecé. Brumadinho MG | |
| LG | 39LB6500 PAINEL: AUO T390HVD03.3 XL | It turns on, tsound is an image, but it freezes and blurs every 2~3 seconds. | Disconnect LC1 and LC2 connections on both sides of the boards attached to the panel. | electronicssupplyparts - Gramado/RS | |
| LG | 21 | Tsound is no image, just a few vertical stripes, thick lines | R512 4k7 alterada | Replace | MC-059C |
| LG | LAS550H | Only at minimum volume, does not increase volume. | Reset factory settings, press vol - and sound effect key on the control for 3s. | Other electronics had already condensed main board. | Paulo |
| LG | RP14CB25A MC059A | The LED lights up on the TV but it won't turn on, press the controls on the panel or remote control and it won't start | Crystal x1 broken terminal, the crystal was replaced and the TV stuck. | Val | |
| LG | 43LF5900 | Backlight on but no image | Problem fabric | Isolate the flat track that goes from the tcon to the screen, the right flat of the tcon, more specifically between the left part and the middle of the flat | Eletronica Muniz |
| LG | 42LK450 | Works for a while and turns off by itself | Low primary power supply voltage must be 380 volts | The glue on the 750k resistors r610/611/612/613/616 replaces the value downwards, removing the resistors will clean and resolder. | Ricardo Eletrônica Ematel |
| LG | 32LD350 | Standby LED on does not turn on | Coil l416 charred under the main board and ceramic smd capacitor shorted to c457 | Replace the two, I hope I helped everyone!! | PATRICK ELETRÔNICA |
| LG | 14SB1RB | Without synchronization and without color, the image returns after being on for a while, appears without color, when it heats up well, the color arrives | C309 220uf/35v sold out | Capacitor replaced | Cláudio técnico - Ademir - Surubim -PE |
| LG | RP20CC20 | I'm sound | Change r625 22k, and release the transistor q621 | DJ PITUKA | |
| LG | RAD 136 | I'm sound | Replace transistor 1271y and oq913 with equivalent a950 |