Lg TV Repair: Common Faults and Solutions.
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Results: 4835
Results: 4835
Lg Repair Guide: Common Issues and Fixes
Brand | Model | Fault | Detailed Problem | Solution | By |
---|---|---|---|---|---|
LG PLASMA | TODOS | One or several vertical lines | Loosen and reconnect the crtl board connectors, if the symptom persists | Replace crtl board | Vosdor |
LG PLASMA | TODOS | One or several vertical lines | Loosen and reconnect the x-drive board connectors if the symptom persists | Replace x-drive board | Vosdor |
LG PLASMA | TODOS | Turn on and off | Check voltage at points va and vs. Detach the power cable from the x-drive cards. if it stopped turning off | Replace x-drive board | Vosdor |
LG PLASMA | TODOS | Turn on and off | Check voltage at points va and vs. Disconnect the power connectors from the y-sus board. release the y-drive board. if it stopped turning off | Y-drive plate replace | Vosdor |
LG PLASMA | TODOS | Turn on and off | Check voltage at points va and vs. Disconnect the power connectors from the y-sus board. if it stopped turning off | Y-sus plate replace | Vosdor |
LG PLASMA | TODOS | Turn on and off | Check voltage at points va and vs. Loosen the connectors on the z-sus board if it stopped turning off | Z-sus plate replace | Vosdor |
LG PLASMA | TODOS | Turn on and off | Check voltage at points va and vs. Loosen the VA and VS connectors if the symptom remains | Replace power supply board | Vosdor |
LG PLASMA | TODOS | Without image and with audio | Measure stb pins (5.0v or 3.5v). power on (2.5v~3.5v). y-sus (15v or 17v). do auto gin test. If auto gin doesn't work, change the y-sus board. | Vosdor | |
LG PLASMA | TODOS | No image and no audio | Measure stb pins (5.0v or 3.5v). power on (2.5v~3.5v). y-sus (15v or 17v). check if the LED on the ctrl board lights up, check the voltages on the regulators and carry out an auto gin test. if auto gin = ok change main board. | Vosdor | |
LG PLASMA | TODOS | Only turns on on stand-by | Measure stb pin (3.5v or 5v). Release the "power on" pin and check if there is a pulse. If not, change the main board. | Vosdor | |
LG PLASMA | TODOS | Does not turn on in stand-by | Measure stb pin (3.5v or 5v). If there is no voltage, release the cable from the power supply and main boards and measure again; if there is still no voltage, change the power supply board. | Vosdor | |
LG | RP-29CC90 | This TV came from another workshop that they didn't fix. she would call and after a few minutes he would hang up; and when it turned on, it did not display characters and did not obey remote control and keyboard commands; I immediately thought it was the memory but no, it was the damn defective micronas. | Change the microwave | diego lima nova timboteua pa | |
LG | CP20J52 | After switching on, the vertical image shakes and closes and turns off | Causa capacitor 301 470 k vertical | luiz carlos de freitas | |
LG | 29FS4RLG | Cushion effect, image folded 1cm at the top of the video | Checked the power supply (115v) it was 75v, eliminating the defect in the secondary stage by step in the memory line. | I replaced the memory, the problem was solved. | marcelo marques |
LG | 32LG30R | Sometimes it wouldn't turn on, the LED would stay bright red, blink twice and stay blue without starting | I removed the zener diodes d112 and d111, replaced the r118 with a 15k one | FLAVIO | |
LG | RP29CC26 | It doesn't turn on, that is, it doesn't start. | Cold solder on q402 on the horizontal and on ic 821 of the power supply. | They were resoldered and it was just a matter of going out for a hug. | Armando de Olimpia Eletronica EvoluSom |
LG | RP29FA30A | It didn't work. | T r of the horizontal short, caused by c407=27nf without capacity. | Both components were replaced and it was fine. | Armando de Olimpia Eletronica EvoluSom |
LG | 21FS6RL | Closed frame slamming vertical | Capacitor c.414 there is no point in measuring, replacing directly | julio de itaguai | |
LG | RP-20CB62 | It doesn't work via the remote control or the keyboard, it only turns on via the power key and doesn't turn off | Memory | Swap memory | ELETRONICA MAURI JUNIOR |
LG | CP-20K78 MC | Protection mode | C520,c521 are good | To remove | luciano |