LG TV Repair: Common Faults and Solutions.


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Search: LG
Results: 4834

LG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LG47LA740S
Sound ok, no image but with backlightC133 smd capacitor shorted on panelDuartes
LG32LF2510
When the update is done tsound is no soundChange option in audio amplifier configuration for psp 3000
LG32LF2510
After a while it turns offVer c102(10µf) smd na mb
LG32LF2510
Audio in headphones but no sound from speakersVer ic701 na mainboard
LG20LC1RB
Normal sound, no image but with backlightPower supply problem, q301(kta-1270) open
LGRZ-42PX11
Dark images cause the TV to turn off for a few seconds, then return with a clear image. 15v voltage with +/- 9 -10vVerificar c21, c29(220µf/25v)
LGM1994DJ
InoperableCheck this u101(strw6252)
LG22LS4D
Tela branka, No okC202 short
LG50PA4500
Grainy image after changing the ysus kitSmd resistors r408 and r410 (2r2) close to ci 402 open and diode d562 shortedPADIAL
LG32LD350 AEX61124201
Does not turn on, power supply inoperative.Fuses f100 and f501(3.15a) open, bridge bd101 shortedMário Martins
LG32PC5RV
Spot on the display that appears to be defectiveR438 (2.2ω/1w) openEdson SP
LG32PC5RV
Spot on the display that appears to be defectiveR438 (2.2ω/1w) openEdson SP
LG22LS4D
No image but normal audioTurning off the protection of the IC oz9938q (connecting pin 3 to ground) the TV works fine. defect in the IC that goes into self protection.Replace ic oz9938qERP-ASSIST
LG60UH650V
Doesn't startR110 (1r)smd open power supplyERP-ASSIST
LG32LG3000
Just the 12v voltage on the t-con. short between pins 10 and 11 of the max8728e.Max8728e and as15-g with problemsReplace both ci, check if the power supply has been affectedMarco Marques
LG55UB820V
LD48V		Without image, with backlight and with audio.Capacitor on t-con c331(22µf) shortedReplace c331Marco Marques
LG42LN5200
Doesn't startProblem on the mainboard. ic404(rt8289) defectiveSubstituir circuito integrado rt8289 (5a, 32v, 500khz step-down converter)Pascual
LGCJ87
Device without sound but turns on normally, but the amplifier power supply switches on and off.It was the photo coupler from the power supply itself open, ok.Galileu Rocha
LG42LG30R
Turns on after 40 minutes in hot weather, it turns off, only when it cools down it works ok, diode d1103 is weak. Change caps c875, c879, c1110, c1118, c1128.8By quickly disconnecting the capacitors, the diode took a while to turn off only in hot weather.guinga sdia goias
LG39LN5400
TV turns on, backlight turns on, but no imageDisplay board capacitor c19 shorted.I replaced them all and fixed the imageANTENISTABNU