Lg Repair Tips
Search: lg
Results: 4929
Results: 4929
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
42PN4600
PLASMA |
18v is missing (pressing) on the plate and | The 18v goes from y to the other boards | Is tsound a leaky fet...measure fet by fet at x1 and 10k....compare with good fets...I managed to find several 42 and 60 inch plasmas....if tsound is something wrong, the y board goes into protection ! | ACTV ELETRÔNICA |
| LG |
21FU4RL
|
No audio on AV and RF | TV without audio on AV and RF. check the 0.1 uf ceramic capacitor on pin 13 | naelson silva pe. | |
| LG |
BH5140S
|
S-protection | ZD914 power supply zener diode shorted. | Replace and run for the hug! | Duarte |
| LG |
14 RB OU RP
|
Turns on dark screen after changing several cracked diodes or oxidation TV turned on and after a while it drizzled but with the screen closing on the side no character appeared and did not obey the remote control cause it was dz 412 close to the memory | D 501,d502,d405,d22 e dz412 | Replace all mainly dz412 | Rogério TV |
| LG |
32LK330
|
TV turns on but backlight doesn't light up | Without 3.3v on q405 on the main board, 1k resistor r419 damaged | Replace the resistor and the 3.3v appears | POWERTERCH |
| LG |
32LH35FD
|
The stand-by LED lights up but does not turn on. When you press power it blinks but doesn't turn on. | 10v 3300uf capacitor swollen at the power supply. | Just replace and run for the hug. | RYK |
| LG |
32LK615BPSB
|
League with white screen | Ci i7924lp shorted, heating too much | Replace it and that's it | Conserta Smart |
| LG |
50PJ250
|
Grainy image | Q11e r529 and r 528 to and above | ||
| LG |
32LD460
|
When cold, it doesn't turn on, the stand by LED keeps oscillating | 1.3v dc converter ic403 mp2212dn only gives a voltage spike at start-up then stabilizes and changes anyway | Divino Moura | |
| LG |
14CB20A
|
Dark screen with retrace lines, no image and no menu characters. | Diode in4148 was open in position d405 | Replace with another diode in4148 | Jamerson |
| LG |
42PJ350
|
Blurred image | Resistor set down r729 2r2 2w aberto | Replacing the resistor | TECCENTER |
| LG |
42LM5800
|
Sometimes it calls, sometimes it doesn't. turns off blacklight after a few hours | Probable failure in the main IC. changed the main, resolved | Replaced main board and resolved | |
| LG |
MCD 212
|
Low audio. | 35v missing. | Replace dz901 (with leak), if that doesn't work, place a 1mf/50v capacitor connecting to pins 3e4 of the pc901, respecting the polarization. | Eletrônica FBS |
| LG |
32PC5RV
|
When turned on, the green LED flashes 20 times and then returns to standby | It was already showing this defect but after several attempts it turned on now it just blinks | I want to know | Eletrônica silva |
| LG |
39LA6200
|
Doesn't start | C102 of 331k 1kv at power supply blown and fuse open. | Just replace it and check if tsound is a short. | Victor Cesar |
| LG |
CM9530
|
Working without audio | C 904 with cold solder, q905 and q906 shorted as well as fuse f911 | Resoldering of capacitor c904, replacement of transistors q905 and q906 and fuse f911 | Adão Rosa |
| LG |
32LJ600B
|
Doesn't start | Smd 2305 capacitor shorted next ic8100 | Replace | Eletrônica FBS |
| LG |
39LN5400
|
Does not turn on, nor does the ST-BY LED | C472 shorted | Replace.. | Maurilio |
| LG |
29FX5CL
CW62C |
Tsound is no sound | Capacitor c808 470uf 25v | Replace without measuring in the test, it says it's good | Paulistana pi |
| LG |
W1943C
|
Takes time to call. blinking LED, screen turns on and off several times. when it turns on it stabilizes. | Bad capacitors c354 and c355 (220uf 16v). As they are in parallel, I removed them both and soldered a 470uf one and everything was ok. | TECNOBRU SBC |