LG TV Repair: Common Faults and Solutions.


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LG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LG563 STUDIO WORKS
It doesn't turn on, it keeps making small clicks at the power supplyReplace q719 and c744 both on the +b lineAdrianChapadão
LGRP-29C25
Before replacing the horizontal output transistorRemove r 852 – l0Ω and install a jumper; replace c 854 of 100uf x 16v by 1000uf x 16 v
LGSTUDIOWORKS 500G
Vertical slightly closedR604 slightly changed
LGFLATRON L1550S
When turning on the image flashes and becomes darkCheck chap. 470uf at power supply, replace with 35v c
LG29FA30
When adjusting g2 image increases and decreasesQ407
LG29FA35 A
Doesn't startC405
LG29C85
LED pulsating, power supply variesZener zd808
LGRP-21FB32
It takes 10 to 20 seconds to turn on.Verficar d23
LGRP-21FB32
Takes time to callLost
LG29C85
Doesn't work, 12v shortC404 no pino 28 do ic501
LG29CC9RL
Image ripplesC837, check c883
LGLM-U1350A
IC703 burns (shorts out)Before replacing the ic check pc901, pc902 and ic949 and the peripherals
LG29CC9RL
Does not adjust horizontal phaseR412
LGL1530S
The image appears and disappears quicklyC. electrolytic 470uf/25v at 12v power supply.
LG29FS4RLG
Does not demagnetizeQ811, attention in some manuals it is referred to as q809
LG29FX5CL
High fountain, your protectionInfants0
LGRP-29CC25
No color only on av inputsEnter service mode (menu on panel +menu on c.r) av multi option, which should be set to "0". change it to "1".
LGRP-21FB32
You have to insist to turn it on, after turning it on, changing the channel takes a long timeLost
LGDK-140
Does not open the drawer from the panel, it only opens with the controlCi 901 to painel (pt 6965)
LGDV-8921N
Parar progressive scanPress the stop button on the control or on the DVD panel for more than 5 seconds and it returns to normal....