LG TV Repair: Common Faults and Solutions.
Search: LG
Results: 4833
Results: 4833
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 1642C | Doesn't start | Solution 1replace 3 capacitors on the power supply, but it still doesn't turn on and 3v arrives at the power button. solution 2: bios rewrite | ||
| LG | 60PN6500 PLASMA | Plate and | Missing 18 v (pulsating) | Fets with fuca and this activates the protection....measure in x1 and 10k one by one....compare with good fet...what will you find....I found several from 42 to 60 inches! | ACTV ELETRÔNICA |
| LG | 50PJ350 PLASMA | Plate and | Missing 18v (it keeps pulsing) | Tsound is a leaky fet....this triggers the protection...measure in x1 and 10k fet per fet....compare with good fets...you'll find it...I've already found several from 42 to 60 inches. ...the 18v are generated by y for the controller and for the z-sus board | ACTV ELETRÔNICA |
| 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 |