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 | RP-20CC25 MC 059A | Does not tune channels and does not accept av when connecting the antenna or connecting the cable the av shows vertical lines. | R 512 of 4.7k | Replace | Mauro Mascarenha Tel.( 88 )981422821 Parazinho - Ceara |
| LG | RAD226B | Does not turn on, does not light up or standby without 3.7v | Dz901 with leak | Replace 27v dz901 with leak | beto2828 |
| LG | 47LV5500 | LED stand by turns on white, no sound dark image | I checked the power supply, the normal voltages 12v, 24v, 3.5v, the display LEDs don't light up, I checked the t-con board, 12v is missing, this 12v comes from the main board, measure all the voltages that feed the micro 3.3v 5v 2 .5v 1.5v are normal micro faulty lge35230, I changed this bga the tv worked and 12v appeared on the t-con led they lit up | TV was in test defect resolved | Andre |
| LG | RP 20CC25 | STBY LED on normal power supplys but does not fire | Crystal with one of the pins broken | Cristal cm dft | Raimundo |
| LG | 32LJ600B | Doesn't start | Wireless card defect. When I plugged the TV in, it started working normally again. | Replace wireless card | Thiago Silva |
| LG | 32LS3400 | When the power supply is cold it has 3.5v from standby if you unplug it the voltage disappears then you just have to wait a while for it to start working again | Q502 transistor smd ktn2222as | Mega Center | |
| LG | CM7420 | No sound comes out | The three resistors in series of 680k, 680k, 330k that feed the oscillator circuit of the 50 volt power supply | Edezio eletronica | |
| LG | RP29CC90 | Horizontal deficiency lacks width | Change the coil l401 | eletrônica renovação Maranhão | |
| LG | 21FU1RL | Vertical closed | All components in the vertical sector, deflector coil and vertical outlet were tested, but nothing was found. checking the micro pins does everything, and on pin 16, tsound is a capacitor c512 / 0.47 pf, this capacitor was open. | Capacitor replaced c512 / 0.47 pf | Carlos Alberto (ELETRÔNICA BATURITÉ) |
| LG | 21FU1RL | Vertical closed | All components in the vertical sector, deflector coil and vertical outlet were tested, but nothing was found. | Carlos Alberto (ELETRÔNICA BATURITÉ) | |
| LG | 42CS460 | TV turns on, but tsound is no sound or image, the backlight is on. It works with keyboard and control commands. | 2.5v regulator near nvram, tsound was no voltage output. Tsound was no short in the line. | Replace | joaomvjr |
| LG | 50PJ350 | As soon as I turned on the TV, the power supply sent the voltages vs, va, m5v which goes to the ysus board but in a matter of seconds this power supply dropped. | The 22r 5w resistor r929 open | I made the replace and the problem was solved | Eliezer |
| LG | 42PJ250 | Turns on, then turns off immediately, then doesn't turn on. You have to unplug it and turn it on and off again. | Check the line of resistors 113 to 118, possible poor contact. | Resolder all resistors on this line. | arock |
| LG | 42LM7600 LB22E | Does not turn on, no standby, when pressing power the LED flashes twice but the TV does not turn on | +24v shorted on the main board connector but in fact it is the +24v_amp that is shorted on the main board | C5422 in a cracked short due to so much heat, I replaced it with a 104z ceramic and the power supply started to turn on normally | 2000 |
| LG | 32LD460 | Sometimes it works for a while and turns off | Low pfc circuit. normal voltage between 385v and 390 was 230v | 1.8m resistor mesh. remove, clean, and install other | DEBIQUE |
| LG | 20CB67 | Vertical strip at the top | Those who have already done everything couldn't solve it, just change the resistor r301 from 15k to 13k | eugenio barreto | |
| LG | 14FK3RB | Vertical closed | 27k r311 open after replacing it worked perfectly | Protec eletronica | |
| LG | 32LS3400 | Turns on without image, when pressing standby it turns off but no image appears, short killing the 24v and 12v power supply. It looks like a power supply but it isn't. | Shorted smd capacitor 524 or 523 near the 4 coils next to each other on the main board. | Replace c523 or 524 on the main board | jeanprede |
| LG | 29FS4RL CW62C | Dark image screen with 110v | Diodo 1n4148 com fuga abl zd403 | Replace diode | DEVAIR |
| LG | 22MA33 | Doesn't start. when connecting the 19v power supply it dropped to 0v. | Shorted capacitors. c800 and c804. | Alan Eletrônica Juca Paulo Afonso Bahia |