LG TV Repair: Common Faults and Solutions.
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Results: 4833
Results: 4833
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 43UH6100 | Totally dead TV. standby off | Common defect in the power supply of this LG line, corrupted track between the ground of q101 that goes to r108 and ic101. just retrace the trail and run for a hug. | George Luís | |
| LG | 43UH6100 | Totally dead TV. standby off | Common defect in the power supply of this LG line, corrupted track between the ground of q101 that goes to r108 and ic101. just retrace the trail and run for a hug. | George Luís | |
| LG | FFG-V386 | Doesn't start | Oxidation on the connectors that connect the main board to the fleet board | Clean the connector and resolder it | THAIRONE |
| LG | DH 4130S | Turns off after a short period of time | Voltage change in the 12 volts of the ics, power amp | ELETRONICA GILDA | |
| LG | 29CC9RL CW62A | TV turns on and then turns off, high secondary power supply hitting 170 volts | R830 open | Replace r830 and check oxidized components | JL Eletrônica |
| LG | LE7500 EAX61682903(0) | Doesn't turn on, doesn't even give a signal | I warmed up the processor and it started working again, so I had the bga done, the problem was solved. | Kenzo gaucho | |
| LG | 32LV300C | Doesn't start | C9118 101 1kv short, replace it, the zd9108 and the fb9101 | electronicssupplyparts - Gramado/RS | |
| LG | 32LK330 | TV turns on, but no image has sound, backlight on normally. | LVDS cable oxidized, losing contact, clean well and shim the cable in the contact slot, both board and t with. | RNSPTEC | |
| LG | 32LK330 | TV doesn't turn on, LED starts blinking until it stops, doesn't turn on. | Defective main board, leaking capacitor c461 smd 10uf and l420 smd, killing the 1.5v voltage. | RNSPTEC | |
| LG | 49LH5700 | No image, but the black light turns on | Defect on the display board, isolate some terminals of the flatcable that comes out of the t-con with 4mm durex, test the position until resolved | LOOPTEL | |
| LG | 47LG70YD | Washed screen or white screen with no sound and no image | In my case, I just did a reflow on the bga | eletronica telesom | |
| LG | 42LN5700 | No image | 12 v gives t-con board measuring 10v, cause fet smd porta p com leakage q2407 on main board. | TV CENTER GUAIBA | |
| LG | 50PN4500 | No image, and the controller board LED is off | Lack of 18 volts, leaky transistor q507, next to capacitor c210 | Cabeça | |
| LG | 49UB8550 | No image, just backlight and sound. | Tcon shorted with f1 open and c222 shorted | Replacing the F1 and the 10UF SMD capacitor, the TV started working again. | starpowercwb |
| LG | 47LW6500 | Turns on but no image and no sound | Main board. By heating the processor, even with a hairdryer, the TV starts working again | Processor reflow. started working again | Aurelio |
| LG | 39LN5400 | Stand-by pisca 2x | LED problem | Replace the LEDs | INFONAITTS |
| LG | MCT354 | Does not arm the 35v output power supply | With the switched power supply on the bench outside the circuit, place a 10k resistor between pins 3 and 4 of the photo coupler pc901 to generate 35v. change the srtw6757 | Probably internal defect in the strw 6757 feedback | Magalhaes |
| LG | 42CS460 | It turns on tsound is sound and image then the image disappears and the sound stays on the backlight | Disconnected and restarted the connections and tightened the motherboard in my case it resolved | Francisco Cavalcante | |
| LG | MCD605 /606 | Low sound, power supply that feeds the low sound output with 5v | Zener 18v zd904 | Eletrônica Oliveira | |
| LG | 32LN536B | Restarts several times | Defect appears to be poor contact at the power supply or defect on the signal board | The defect was in the power cable between power supply and signal, poor contact at the cable terminals on both sides | VIP CENTER ELETRONICA |