LG TV Repair: Common Faults and Solutions.
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Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 29FS4RLG | I'm sound | 330uf 25v electrolytic capacitor c808 swollen | Reginaldo Alves | |
| LG | 29CC2RL CW62A | Put it in the socket, turn it on, but the +b has 50v and sometimes it resets this voltage, which has to be at least 120v, making a tic tick on the transformer. | Verificar c840 no pino 4 v-in do ic 810 str-x6556 | I tested it, it was with 18 micro, I replaced the power supply, it went up to 120v, good luck everyone. | Eronaldo (erontec) |
| LG | LG32LH20R | No image | Cabo flat | Cleaning | Fbs eletrônica |
| LG | 21FB32 | Press power button power supply starts and cuts | Shorted flyback | INTERTEC ELETRONICA | |
| LG | RAD225B | The device performs all functions. but no sound. | Absence of 25 v. on the power supply board. zener 10 v. with small leak. | Replace zener (zd904) and go for the hug. | Katutto |
| LG | 21FJ6RB-LD | When plugging it into the socket the LED would light up when activating the control or keyboard it would go off and go out | Q-16 protection transistor | Just remove it and go for real | ELETRÔNICA CAVALCANTE MARTINÓPOLE-CE |
| LG | 20CD2R | Image stretched at the top, and closing at the bottom | R305 open | Replace r305 -12k | CLAUDIO TECNICO - SURUBIM - PE |
| LG | 42LK450 | Red video, video in parts of the screen (symptom of damaged screen) | Cabo lvds | Cable replace | Diego Boeira |
| LG | 21FU6TL | Arm and disarm lights up on stand by, but when you press the keys or control the LED goes off and on, it does not oscillate | Damaged q801 | Replaced and solved the problem | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |
| LG | CM8440 | I'm sound | Tsound is no power supply for the +56 and -56 sound output | 393jx1250v capacitor connected to the main transformer, I put a 33nf x 1000v one and ran to the hug | VICTORINO |
| LG | CM8440 | I'm sound | Tsound is no voltage at output +56 and -56 | VICTORINO | |
| LG | CM8440 | I'm sound | Capacitor 393jx1250 connected to the open main transformer | VICTORINO | |
| LG | 32LK330 | Turns on red LED standby. Press the button to turn it on, the LED turns blue, without video and audio, a few seconds later it turns red, flashing. | Check the power supply f501, open. in my case it opened because q707 was shorted. | Replace q707, f501. I tried using gold fet, it didn't work, it only works with the original (k3868) | arock |
| LG | 32LE5500 | Does not turn on, without 12v voltage at the power supply | Open l9103 coil | Luis Sparapan | |
| LG | 21FU4RL | When I plugged it into the socket the LED came on, when I pressed stand by the LED turned off | Circuit burnout | Replace saida vertical ic 301 la78141 | Reprasom sao benedito ce |
| LG | 32FS4RNP | Turns off in a few minutes and has a lot of horizontal space | Replace the 150 nf x 400v polyester capacitor c429 | IRMAO | |
| LG | DP-132 | Didn't care | Res. 10r 2watts open at the input I think, c.i tny 176 burst, replaced it burst again: cause c502 cap elet. 15ufx450v open | José delta line | |
| LG | 21FX5RL | Missing image at the bottom of the screen | Capacitor c321 | Edson | |
| LG | 29 | Dead | R831 | Replace it and go for the hug | Eletrônica Carlos Viseu Pa |
| LG | 32LS3400 | The driver LEDs do not light up, reaching 150 volts and starting to drop at 25 volts | Shorted LED inside the screen triggering the protection | Just replace the defective LED | OZATEC ELETRONICA SARANDI/PR |