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 | 21FJ6RB | It oscillates very quickly and turns off on its own, the reduced all-white screen on the side | Then it won't turn on, you have to unplug it | jackson | |
| LG | RP-29FA35A MC-49A | Does not turn on, only on standby | Horizontal output short circuit,c406 (39nf),l401,d401 | Replace horizontal output and c406, replace l401 with gradient next coil l402 | leitemarcellus |
| LG | 32LH20UR | Turns on normally and within seconds the screen goes dark (LCD lamps go out) | Main board | Ádrian Chapadão do Céu-Go | |
| LG | RP21D10 | It arrived with the bu broken, heating of the horizontal outlet | Remove the (fly) and table the high voltage pacifier with the flay pins with a scale of 10k or higher, if it measures anything, change it, it is broken. | Alextecnico | |
| LG | 29FX5CL | This TV arrived without turning it on, only the relay was hitting, and the voltage was only at the primary and secondary power supplys, zero v. | I changed the photo coupler and the TV worked normally. clebson vale s. j of pirabas/ pa. | clebson vale | |
| LG | RP-29FE80 | When pressing the power button, the LED only blinks and does not turn on | Non-micro cold welding | In addition to resoldering the micro resoldering, all power supply components from the 800 line | Helio (ELETROSONIC) |
| LG | RP-21FE85G MC-059A | Reduced vertical, greenish drizzle and no tune | Hic-291 (placa game) | In my case it was cleaning with thinner | LUCIANO |
| LLG | RP29CC90 | TV wouldn't turn on, just the LED was on. | TV board full of cold solder, checking the board I discovered cold solder in the following points (in c840, c822, ic825 these from the power supply then, in the vertical output ci and finally many micronas pins with cold solder. | In 43 years as a technician, I have never seen so many cold soldering points on a board, everything was resoldered and it was fine. OK. | Armando de Olimpia Eletronica EvoluSom |
| LG | RP20 | Power supply crackling with interference in the image with the degausser turned on | Main power supply capacitor | EDEZIO ELETRONICA | |
| LG | 21FU4RL-L3 | Wide image with cushion effect. | Transistor q 405 (a1659a) shorted and l401 toast. | Replace the two. | Manoel (Noca) |
| LG | CP-29K30 | This TV arrived with a shorted horizontal output, I put the 2499, which worked, I turned on the TV and it didn't work, and the horizontal output was heating up, I took another look and found the coupling capacitor open like the c411 of 504j x 200v and + c410 of 10uf x 250v. and just change and run to another TV... | C411 and c410 which are out of stock. | Diego lima nova timboteua pa | |
| LG | 20CC95 MK 59 | Doesn't work | LED comes on but when you turn on power it goes off, it lights up leaving the TV in STBY | Resistor that feeds fly back open | marcos |
| LG | RP21FB32 | Takes time to call | D - 23 | Replace the same. | BARRETO CRUZ |
| LG | 29FX5CL | Turn on and off | Resistor - 843 | Replace the same. | BARRETO CRUZ |
| LG | 21FE85 | Turning off after 15 minutes | Q 403 | Replace the same. | BARRETO CRUZ |
| LG | RP21FB32 | Turn on and off | 75k abl resistor change to 100k. | Replace the same. | BARRETO CRUZ |
| LG | RP20CB62 | Vert/horizontal synchronism forum. | Eeprom (24c04) | Replace the same. | BARRETO CRUZ |
| LG | RP 21FE85G | Doesn't start | C - 417 (470k/2kv.) | Replace the same. | BARRETO CRUZ |
| LG | 29FS4RLG-L1 CW62C | Burning zd 301(12v) and q 302 (k2961) | D - 401. | Note:. Every time the d-401 shorts out, it takes along the zd 301 and the q-302 (k2961), which can be replaced by the (k-2723) | BARRETO CRUZ |
| LG | 29FS4RLG-L1 CW62C | The LED does not turn on or light up | Diode 401 - change without measuring | Replace the same. | BARRETO CRUZ |