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 | RP14CB25A SC 023A | Does not turn on secondary power supply oscillates | C 801 de 100uf x 35v | elet sto anonio rf | |
| LG | 32LB580B | Turns on the blacklight without image but tsound is sound. | SMD capacitor shorted on the screen drive board, c151 I just removed it and it worked, and half of the LEDs were burnt out of the 18 it has, I just had to change it and proto. | Galileu Rocha | |
| LG | CM4340 | Turns on without sound then presents 5 protection | Optoacoplador pc 903 | Replace it and everything is fine | Eletronicazetec |
| LG | 50PA4500 | TV turns on, the logo appears and the screen goes off, the sound remains | Capacitor c 256 of 22mf exhausted on y sus and I just changed it and the TV worked normally | robhwood | |
| LG | 32LD420 32LD460/42LD4200/42LD460 | No video, dark screen with bands in the background | Missing 12v on c619 | Replace mosfet q409, measuring on the board it does not give a short | Thiago MC Eletronica Jaú |
| LG | 55UH6500 | Does not turn on, power supply board defect. power supply oscillates the normal primary, doubles the 400v but tsound is no 13v in the secondary. | Open 1Ω smd resistor r110, which feeds the power supply primary transformer winding. | Replace the resistor with one of the same value. | rafaelmoraes99 |
| LG | 42LN5400 | Turning on and off | Cold welding at the power supply | Resolder suspected components and clean the board with isopropyl solution and thinner, dry well. | DSSTECH |
| LG | 42 PG 20 R MA AM ZYLBZ | The sound increases by itself, tsound is no point in changing the keys. green LED flashes intermittently. | Two smd transistors that are on the infra red board, replace the two npns, q101 and q 102. | paulo cezar esteves | |
| LG | RP29FA30A | No luminance, dark image, if you enlarge the screen the image appears right in the background | As per the tip, replace q509 c3198 | In the case of this TV, the transistor was shorted | Mitzko Eletronica |
| TV LG | 32LK610 | Remote control sensor inoperative | Va4002 shorted killing the 5v on the control sensor board | Remove the same | Erick som |
| LG | 55LD650 | HDMI doesn't work, turning off by itself, sometimes it doesn't turn on | Processor bga solder | Reballing | GABSENS |
| LG | 42LD420 | Turns on and off (the lamps blink when the TV turns on) | Ic 301 que faz o back light ( bd927df ) | Replaced the ic 301. the problem was solved. | DANGRA ELETRÔNICA - SÃO PAULO |
| LG | 29CC9RL CW-62C | No sound and screen closing on the sides | Changing capacitors c 314, c 808 and c838 | Resolved | TAVARES |
| LG | LM-U1350A | Very low sound replace strx6759 you can put strx6757 as long as it is original and with 4 terminals forward it is great | Strx6759 ou strx6757 | robert | |
| LG | LGD625 | Does not turn on, secondary power supplys zero! without any intention! apparently normal primary, check the zd902 10v diode | In my case zd902 10v | DIM ELETRÔNICA | |
| LG | 55SM8600PSA | Doesn't connect at all. | Ic1700 burnt out. | Replace ic1700, it is the same as ic2100, smd 3208 regulator. | ZENER Serviço Técnico |
| LG | 32LE5300 | Does not tune channels, or tunes disappear after a while. | Defective main board, in the tuning circuit. | Smd ceramic capacitor c3006 shorted, interrupting power supply to the tuning block. | RNSPTEC |
| LG | 32LK510BPLD | It gives no signal. | Shorted smd capacitor c5612, replace and run for the hug! | Replace c5612 | NCTIC REPAIR |
| LG | 32LV2500 | Blinking standby tv won't turn on | Large capacitors at the sound output shorted. | Rivaldo | |
| LG | 32LK450 | It turns on immediately and turns off or restarts, blacklight flashing as if tsound were bad bulbs. | Several cold welds were redone and the defect continued. | Replace capacitors in the power supply c510 and c509. | Hilário Luis Sperling |