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 | 32LH70YD | Works normally but no audio | Bad contact on the lge3556c processor | Reballinga not processor | Heberson |
| LG | 32LY340C | Does not turn on, LED is on and flashing | Tas5733 defective | Replace the same | SERGIO BRAGA |
| LG | 60PX950 EAX63347201(3) | Apparently normal league with no image (no video) | Change main board, preferably new or used, tested | Tip 02 processor raballing | Maike SR |
| LG | 42LB9RT EAX37617801 | The power supply does not double or the pfc does not work, it has the 5vts on stand by. if you switch the supply, the power supply for ics u101 and u600 does not appear | Photo normal pc130 optical coupler in test on the power supply board | Replace even though it appears to be good | @gepe |
| LG | 50PN4500 | Doesn't work, just sby | Q604 - 5v switch | MARCELO BERNARDINO | |
| LG | 21FU4RL | Cushion effect or cup effect | Following pin 8 (size) of the tda8145, a leaky diode 1n4148 was discovered. | D411 replacement (1n4148) | Carlos Alberto (Eletrônica Baturité) |
| LG | 42LS4600 | TV turned on, had sound but no image appeared | Oxidized display bar, that thin bar that goes to the t-con | Replaced c126, c127, c128, c129, c130 | Ramonxxl |
| LG | 32SC460 | Doesn't start. LED does not light up. It only has 3.5v. | I replaced both photo couplers. IC502 and IC503. everything worked. | I also cleaned the tcom flat cable. good luck!! | PERNAMBUCANO |
| LG | 32SC460 | Doesn't start. LED does not light up. It only has 3.5v. | I replaced both photo couplers. IC502 and IC503. | I also cleaned the tcom flat cable. good luck!! | PERNAMBUCANO |
| LG | 42PT350B | With sound and without shine | C504 150mf 35v short (y-sus board) | Replace for the same value | Bruno Poubel |
| LG | 42LB7DF | Sometimes it turns on, often it doesn't, the LED blinks, activates the inverter but tsound is no image | C401 reset circuit open | Replace c401 10μF/16 v | Roney Nogueira |
| LG | 29FS4RL CW62C | Doesn't start | Turns on and then turns off and doesn't turn on again. q830 leaking | Replace with a new tl431a | EKeletronica |
| LG | 60PA6500 | Turning off by itself, or sometimes it turns on and sometimes it doesn't | Transformer with bad contact, resolder the ysus board transformer | Resoldering the ysus board transformer, in my case the TV was brand new again✌ | Gracielia |
| LG | 49LB5500 | Turns on normally, after 30 minutes to 1 hour of operation, it blinks as if the LED was burnt out. | Before disassembling the screen to see if tsound is a bad LED, check the power supply for possible cold soldering on various components. | Carry out general resoldering on the power supply board. | arock |
| LG | CP 20J52A | Burning horizontal outlet | C408 (2,2mf × 100v) | NEW PEK ELETRÔNICA | |
| LG | 47LW6500-SA | League without image | Bad contact on the processor | Reflow for one minute on the processor | ZENER Serviço Técnico |
| LG | 21FU4RLG MC-059C | Turns on and then turns off | Check resistors. r815 91k, r816 91k, r842 24k, r843 39k and r844 4k7 | 3R | |
| LG | 29FE80 MC-049A | When you press the key, the TV sometimes turns on with the stand by on, but it doesn't generate. Note: normal +b power supply | In my case it was just the d827 that receives the 6.5v from the transformer, with minimal leakage | Hug and run for the hug. | eletronica junior V. grande -MA |
| LG | MCT-354 | The device turns on but tsound is no audio and it doesn't even operate the CD, it doesn't open the drawer, it doesn't operate anything, the outputs on p9701 were checked, all power supplys were reset. | Diodo zener zd911 33v em curto na power supply vcc do str-x6757 | Replace it and everything works again | Adriano Miranda |
| LG | RP20CB20A | TV with normal characters high volume does not go down | Change to memory | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |