Lg Repair Tips
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Results: 4875
Results: 4875
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
LG |
42LN5700
|
Turns on without image and without back-light | Ic3304 defective on signal board, hdmi ci | Merotec Infotronica | |
LG |
50PB560B
|
No image | On the p131 connector tsound was vs and va, but tsound was no 18v on the y-sus board | Q507 and d502 shorted near the 220k resistor. | Eletronica EASI |
LG |
50PB560
|
No image | On the p131 connector tsound was vs and va, but tsound was no 18v on the y-sus board | Q507 and d502 shorted near the 220k resistor. | Eletronica EASI |
LG |
FLATRON W2253-PF
|
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, c1128.8 | Capacitor do reset. | C 305 4.7 x50v works normally again. | guinga sdia goias |
LG |
FLATRON W2253-PF
|
Turns on after removing the power cord from the socket, it doesn't turn on anymore, then removing the power cord and turning it on works. | Capacitor do reset. | guinga sdia goias | |
LG |
42PG60UR
|
Turns on, then turns off | Cabo flat da tecon rusty | Clean flat cable oxidation | WS NOTEBOOKS |
LG |
32LG50D
|
Turns on with backlight without image on screen | Bga solder on processor | Reflow or reballing (reballing recommended) of the processor. | GL Eletrônica - Contagem - MG |
LG |
24MN33D-PS
|
Does not turn on; power supply short circuit on the 19v line | Smd ceramic capacitor c803 shorted | Replace the same. | duc40rj |
LG |
42LK450
EAX61124201 |
Does not turn on, does not bend pfc 400v | Primary winding of the t501 transformer open. it does the vcc feedback to power the ic600 of the pfc circuit. | Replace the t501 transformer. | rafaelmoraes99 |
LG |
50PB560
|
Just sound ok | 2 -30f133 shorted and causing c414 | Angelo MG | |
LG |
32LH35FD
|
No audio or popping sound image delayed | R205 220r is under the crystal glue | BADRI ELETRONICA <small> |
|
LG |
28LN500
|
The backlight turns on and then turns off | After checking the LED strip and it is ok, | The cap was replaced. electrol. 10/250v | Alexandre Batista |
LG |
32LD420
|
Turns on, has an image, turns on the backlight, but keeps turning off/restarting, the image disappears and the image returns. | Oxidation of the islands of the power supply and main plates that short circuit with ground. | Sand all the islands, tighten the screws well and go for it. | MARCO BORSATO - MEDTEC INFORMATICA |
LG |
RP20CC
MC-059A |
Vertical closed | R301 open | Paulo eletrônica | |
LG |
60PN6500
|
No image, has all the voltages but no "sus dn" | R599 and r408, two 10r smds close to ic402 | Stiltec | |
LG |
CM4440
|
When turning on, sound comes out for just a second and stops, after 1 minute it goes into s-protect. | Possibly defective pc903 photocoupler, replace it. | It worked sound. | RodrigoSpricigo |
LG |
SUBSTITUTO DO LA4863AJ
|
The la4863aj can be replaced by the la4864aj or la4865aj | Any of the mentioned vertical ci replace the other. | MARCONES DE ARARIPINA-PE | |
LG |
RP-29FE80
|
Burning horizontal output. | Replace the d2689 with a bu2520ax or c4429 Just drill another hole in the heatsink. | MARCONES DE ARARIPINA-PE | |
LG |
14FK3RB
MC059D |
Initially tsound were several problems, high power supply instantly burning the horizontal output, vertical closed, vertical folding | High power supply and without filter(r842 open 20k.e c835 47/160v open)(vertical closed.r313 47k open)(vertical folded coils open in deflector coil) | High power supply and without filter(r842 open 20k.e c835 47/160v open)(vertical closed.r313 47k open)(vertical folded coils open in deflector coil) | ALVES.TEC ELETRÔNICA CAMARAGIBE PERNAMBUCO |
LG |
50PK550
|
HDMI 1,2 and 3 doesn't work, doesn't tune channels | After trying software updates and others, I reflowed the processor and it solved the problem. | Carlossnk |