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 | 50PJ250 | Shorted power supply board, activates the relay and in a matter of 2 seconds it disengages. with standby on | Cold soldering | Breno gonçalves | |
| LG | RP-21CA85 MC-83C | TV arrived with little contrast, I checked the power supply and found a defect in the d502 power supply close to the r550 | Oxidation | D502 I put 1n4148 and run to another | eletronica miranda |
| LG | 50PN4500 | Turns on and returns to standby in 3 to 5 minutes | Dz352 was open on the power supply board (det_17v protection) zd352 on smd was written tf 3 | Replace dz352 | eletronica valdecir |
| LG | CM4650 | Works without and with s protection | Power supply board that powers the sound output | I needed to replace the power supply board and it was amazing | |
| LG | 21FU1RLG | Setting up protection | C 308 (vertical circuit) with little capacitance. | ||
| LG | 21FJ8RL | No video but with normal characters and sound. | Resistor r519 (9k1) close to the rgb connector. | Resistor r519 (9k1) close to the rgb connector. | 3R |
| LG | 47LX9500 LA02R | League without images and without sound | Bga | Reflu no bga | Nilcinho |
| LG | 60PN6500 | No video | Trafo t251 aberto - ysus | Diego Boeira | |
| LG | 21FU6 TL | TV wouldn't start, when you turn it on, it just stayed on standby | TV went into protection. I thought it was a regulator with a 9v start, but it was fine. Removed the protection and nothing. | Until we decided to measure the 1000/16v c 826, it had very low capacitance, it supplies power to the 9v regulator, it supplies 10.5v, with the TV replaced. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | 21FU6 | The TV just stayed on, when you click on it, it blinks and comes on again and nothing works. | I thought it was a 9v regulator but it wasn't. it triggered protection. Removed the q19 protection and nothing. Until we measured the c826 at 1000/16, and it was very low capacitance. With the change, TV worked | Bad 1000/16v c. It does not supply the 10.5v voltage that goes to the regulator with the 9v starter. I got it all right. | Marcos/Confresa/MT <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | CM 8520 CM | Turns on panel without audio | Does not connect 50v power supply | See resistors r 916 and 917 (680k) open. reason: glue | arock |
| LG | 42LG30R LP81A | Strange letters and characters in the TV's menu and OSD, and HDMI inputs with no image. | Corrupted memory. | Rewriting of memory at24c64, position ic802. | rafaelmoraes99 |
| LG | 32LG30R LP81A | Strange letters and characters in the TV's menu and OSD, and HDMI inputs with no image. | Corrupted memory. | Rewriting of memory at24c64, position ic802. | rafaelmoraes99 |
| LG | 21FU6TL | Image expanding and shrinking adjusts to the screen, the image kept changing giving the impression of being the flyback | In my case I found the c406 horizontally open | Replace c406 | El Cuajinais |
| LG | 39LN5700 | Won't turn on LED keeps flashing | LED bar with 80% of the LEDs burnt out | Just replace the LEDs, note: It's a good idea to clean the contact, on the t-com, to avoid any mishaps. | NILMAR ELETRON SAT |
| LG | 32LB3RS | Doesn't start | Does not have 19 vortis | Luis | |
| LG | 21FU4RL | When plugged into the network, the stand-by light came on, when the power button was pressed, the stand-by LED went off and 2 seconds later it came on again without turning on. | C311 sold out | Replace the same. | Edfesom |
| LG | LHD 625 | Going into d-protection | Diode d 981 type tip shorted | This email address is being protected from spambots. You need JavaScript enabled to view it. | badri eletronica |
| LG | RP14CB25A NC-059A | Does not turn on completely off | F801, r806, ic801 all burnt out | After replacing them, the device turned on and worked normally | AssisTec |
| LG | 29FX5CL | Missing one of the colors and after a few minutes it was normal | It was just adjusting the screen | If this TV has a slightly unregulated screen, one of the colors is missing. | Luan LG Philips |