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 | 47LE5600 | No image, back light on | Processor solders | Reballing fan. don't do reflow if it doesn't come back | Cabeça |
| LG | 42LV3500 | Doesn't start. power supply completely inoperative. | Voltage-free power supply. relay does not work. diode d201 (sb560) shorted. tsound are two in parallel. | Replace the faulty component. | AUGUSTO |
| LG | 14FK3RB | I energized the device and the LED came on, making a loud matting sound and disarming for protection. | This symptom refers to the high power supply, in my case it was the 20k r842, so check the entire feedback circuit of the power supply. edfesom :) | Replace the open resistor with an identical one. | Edfesom |
| LG | CM4350 | 5v low power supply | Zd902 6v2 | Replace the diode | Mario cesar aguas belas |
| LG | 52LG50FD | Only with HDMI the image appears and disappears | Adjustment in color system mode | Only at the av input, go to the menu - channel - color system - if it is in multi, replace it to pal. to go out. | SANTOMEL |
| LG | 26MA33D-PS | Doesn't work | It is killing the 19 volts input from the external power supply that powers the circuit...measuring the input plug for ground indicates an infinite short. | Defect: c803 of 10μF shorted. | eletronica cachoeira |
| LG | 49UJ6565 | Turns on but the image appears bluish and/or pinkish | Note: pay attention as sometimes the display may have vertical lines at the top of the image, in this case if you just change the bus you will still have lines in the image. | If a defect is found in the LED bus, replace it and it will resolve it. | Start Eletrônica |
| LG | RP-29CC90 | Hissing and loud snoring in the sound | Non-micron cold weld | Resolves or microns | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | E2050T | Doesn't start | Short c718 | Remove/replace it. | electronics supply parts |
| LG | 21FJ8RL CW81B | Vertical closed | R308 (43k) | RICHARDO SILVA | |
| LG | 32LT360C | Does not turn on or turn on the stand by. | Power supply defect | Substitute f100 + q6001 + q602 | Eletrônica Morais |
| LG | CM7420 | Does not turn on standby light on but does not turn on | Display panel micro switches | Replace all micro keys | paze |
| LG | 21FJ8RL | Vertical closing | R-311 (30k/0,25w) | Replace the r311de 30k eli is open! Note, measure the resistor outside the board because if you measure it while it is on the board, the resistor is fine, but it is failing. | Sinailson furtado |
| LG | 29FS4RL L1AWZ | Turns on and turns off after a few seconds | Replace zd403,1n4148,r415 10k diode, close to the 180v connector | DJ PITUKA | |
| LG | 32CS460 | Functions board (touch) shorted and completely stuck at the last volume, after changing the board the TV returned to normal, but no sound, the speakers are fine | Defective main board | Jumental | |
| LG | 43LH5700 | The LEDs don't light up | Defective power supply in the primary, measuring at 13v it only has 7v | Font replace | ELETRONICA PROTON |
| LG | 55LE5300 | It doesn't turn on, tsound's a relay, tsound's 3.3v power on | Replacement of the 2 fet 13n60 of the primary and fuse that accompanies it | Filipin | |
| LG | 32LD460 | Dead | Tv lit up and no power stby | Normal power supply, the cause was on the 5volt line, the capacitor on the main board c457 smd connected to pin 2 of the ic 405 was shorted | Moaci machado |
| LG | 50PA4500 | Totally grainy image | Resist 330 on open ysus board | Replace | Cabeça |
| LG | 32LN5400 LGP32-13PL1 | The backlight does not turn on, tsound is no image | Check if tsound is voltage backlight_drv pin 1 of ic801 "enable" 3.3v. If you don't have it, check the 1k resistor r801 | Replacing resistor r801 | RUBENS UNIVERSO ELETRO. |