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LG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LG29FE8RL
It takes a while for the sound to come.C808 disabled (14v power supply)Persio(TVCompany)
LGDV-647
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Display with reduced brightness, and no functions.Q 601 w/ leak. 2sc-3209 was placed in place of 2sc-3205.EL ETRONICA FEITOS A
LG RP21FE85G
Turns on with the vertical closed and turns offShorted vertical outputReplaceEletroClaudio Aguas Belas
LG29FX5CL
Pink or green imageBad micro processor!!orlando
LGRP20CC20
Doesn't tune in to any channelSeletronic ruim substitute !!Selector replaceorlando
LGRP-21FE85G
TV, turns on, then turns off in 10 seconds and the LED stays onQ=403=bf-421I replaced it and plzELETRONICA MEDEIROS
LG21FU4RLG
ULTRA SLIM
TV turns on has sound but no filament, vertical and voltage of 180Altered horizontal (d2689)I replaced it and everything was fineLUIS S.J
LG14FK3RB
MC059D
I'm soundChap. 611 shortedDEBIQUE (ELETRONICA ROBSON)
LG29CC2 RL
L 1
TV completely stopped, note: this mod: has a pin in the network socket that is supposed to be installed as a ground in the network and in the customer's house it did not exist.Due to the lack of ground in the network, the defect occurred in the TV, two diodes were shorted, d407 and d414.The same diodes were placed and it looked great and the customer was instructed to install the ground.Armando de Olímpia
LG29C26
No audioDiode 601 (8v2) shortedLuciano Fontes
LG29FS4RL
No audioAudio output pin 1 capacitor shortedCapacitor replace 47/25 okignacio
LG32LG50D
Defect turns on and after turned off by the remote control it does not turn onRemove c108, zd111, and zd112 replace the 10k r128 with a 12k onenigerson
LGCP-29C85
Horizontal band with bellyR436 openReplace 3r3ELETRONICA MAURI JUNIOR
LGCP 20K40
Doesn't startBurnt flybackReplace original flyback 6174v8004a and same 6174v8004c or 6174v8005cELETRONICA MAURI JUNIOR
LGRP 29 FE 80
Closed vertical with lists in the top part of the screenThe vertical output was changed and r303 was openI just replaced the devices and it was fineeuripedes
LGRP 14CB25A
Turns on and off at the same timeQ 403 with small leakReplace q 403 and tv okgeorge pontes
LGRP-29FA30
OOOO
Tv without redQ 506Replace without testing......good luck!!Jhone eletronica
LG14FK3RB
LED on maybe turns on when it gets hot works ok voltage okDirt on the board causes damage to the computerReplace the micro or I put a 10 k resistor from the + of the d813 to pin 4 of the ic 806 normalized tips from bro pireseletronica alsat
LGCP-29K30
No horizontal deflection (vertical stroke)Coupling capacitor c411 (0.50uf /504j) and c410 (10ufx250v)João Maria
LGRP-20FA35ABRS
MC022A
Image expanded horizontally and verticallyCoil in the horizontal sectorReplace the coil l401leiroz