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LG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LG29FS4RL
Zoom symptom without having this feature evidently.Capacitor c432 open.Replace of the bloody one...that is: of the aforementioned c 432.Sansao
LG1550S
Turns on and doesn't show imageReplacement of power supply capacitors (c202 - 470uf 35v) (c205 - 1000uf 35v) (c203 - 1000uf 35v)
LGRP20CB20A
The sound on the television is only loud, on the OSD the volume goes from 0 to 100 normallyMemoria eprom 24c08Substituir a epromalisson
LGRP-14CB25A
MC-059A
When I turn it on it goes back to stand byRf403 =1r 1wReplaced it and it worked normally againHipereletronica service (MARCELO)
LG21
Turns on and then turns offQ16It's just an replace and running for the huggemerson nello garanhuns PE
LG20K42
LED blinks and turns offIc 803 regulator se110JOAOXX
LGRP21FB32
Defect switching off in a rowCause: 82k r306 openklein
LGRZ-32LZ50
Leak-type deficient imageReplace c563 and c566 (47uf) near main board ic604/ic505MeA
LG29FS4RL
Hang upIt causes interference in the image and turns off, sometimes it doesn't turn on and keeps trying to turn on, making noise at the power supply.Photo coupler ic802 was replaced and it worked normally.LOU
LGLM-U1060A
Low soundIc 901 - str-x6759Replace of the same. Note: str-x6757 or str-w6754 can be replacedeletronicaapolo
LG29FS4RL
It has no image, but it has sound.It works normally but without an image, when the screen is raised it becomes completely out of focus.Replace the vertical output ci.lou
LGLM-U1350A
Very low soundStr-x6759Replace o str-x6759Fábio Andrade
LG21SA1RL
No sound/intermittentC-502 /22kpf changedWARLEY CESAR
LG29CC9RL
CW62A
If turning off, high power supplyIc 830 .ka 431jps.elet,c.grande
LG20CC25/26
Dead power supply with LED offTr. horizontal shorted or leakedAUGUSTO
LG29FXCL
Power supply pulsing with a horizontal noise as if the thz was bad. if you remove the thz the voltage arrivesIt was the r. 801 prox; to the str regulatorReplace r. 801eletronica dimencional
LG29FU6TL
No image, filament ok, sound okTsound was no screen voltage, I changed fly, cap screen and nothing!Solution, kinescope socketmarcelo marques
LGCP20K78A
TV without image, with sound and characters, when enlarging the screen it comes with a very weak image without luminanceD502 on the abl lineI just replaced it and the TV went blankThis email address is being protected from spambots. You need JavaScript enabled to view it.
LG21FX5RL
MC-059A
Screen dark and turning off after a few minutesD502= 1n4148 e r420=240kLook at all the diodes with oxidized terminals and replace them and the other resistors and you will not have any more problems.Hipereletronica service (MARCELO)
LG29C85
MC7CD
Little shineR432 do +b ao ablLima