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 | 21FU4RL | AV interference | Cap c803 seco 220µf/400v | Neno | |
| LG | 20CB20A | LED flashing intermittently | Zener diode position zd851 short or altered | Robenilsom Penedo;Al | |
| LG | 50PB560B | Turns on normally and turns off after a few hours | Replace all smd photocouplers el817 with leakage, q606 - d1347c, q301 - c3198, q502 - c3207y with leakage, d303 - uf4007, d304 - 1n4007, zd303 - c10v all bad with leakage, c308 and c609 - 100uf 50v with leakage ,c809 - 22uf 50v bad | I replaced all these components, the TV didn't turn off but the problem was resolved | andre |
| LG | 49LJ5550 | After changing the main board, the TV has no "Portuguese" language. | TV is set to "Honduras" countries | Replace area code in service mode to "26895" | rafaelmoraes99 |
| LG | 14SB1RB | Vertical closed | R311 open, scheme marks 27k. but on the television it is 38k. | Replace r311 of 38k and run for the hug! Just remembering, this vertical outlet works very hot. It's normal. | Carloscte |
| LG | 42PJ350 | Stand-by turns on and off, all normal voltages, missing voltages va and vs | Ci l6599 defective | Substituted | roberto costa( rca eletronica ) maceio al |
| LG | 42LC4R | No image - backlight off | C708 de 1uf x 400v no inverter | ||
| LG | 42LE5500 | When turned on, it gives a long beep, arming the power supply, but with no audio and no image | C8030 shorting the 12v line | Replace c8030 | duc40rj |
| LG | RP20CC97 | Doesn't start. led off | Saida horizontal tt2170 | Replace the horizontal output tt2170 | NILMAR |
| LG | RP20CC25 | Short fly-back | Fly-back | Replace o fly-back 6174v6017a | Sinailson furtado |
| LG | 21FJ6RB | When connecting the TV to the socket, the stand bay LED turns on by pressing the TV Video button, the stand bay LED turns off the relay, but it does not generate high voltage | Breastfeeding, fr 403 | Replace the r835 from 2k7 replaced to 8k and also replace the fr403 from 1r2 open and the TV will be working. God be praised! | Sinailson furtado |
| LG | 42D460 | Does not turn on - normal power supply, killing the 3v5 when connecting to pci main | C519 shorted on the main board. | Remove c519 | duc40rj |
| LG | 14SB1RB MC059D | Normal image and sound in the av, but in the rf tsound is only a squeaky image and sound. | A mini capacitor changed position: 506, colors: orange, red, red =0.22uf giving 0.8uf | Capacitor position=506 on the board, replaced | JOCIMARIO OLIVEIRA |
| LG | 32CS460C | It turns on immediately and turns off quickly, returning to standby | Poor contact flat cable that powers the main board | Remove the cable, clean it with contact cleaner and replace it | Eletrônica Possamai |
| LG | RP20CC25 | It doesn't give an image through the varicap without 30 volts | Zd103 | Replace without measuring the zd103 and the TV will be working. God be praised! | Sinailson furtado |
| LG | 32LB9RTA | Does not turn on - pci main inoperative | Depleted capacitors below p1000 connector | Swap: C1001, C1007, C1009, C1020, C1108, C1115 | duc40rj |
| LG | 14SB1RB | No vertical sync and no OSD | 9v diode shorted on the FBS pin line | Replace it | JP Eletro |
| LG | M2380A | Turn on and off | Mosfet da barra de led em curto (std6nf10 n-channel 100v - 0.22Ω - 6a ipak/dpak low gate charge stripfet power mosfet | Usei no lugar fdd850n10l n-channel 100v , 15,7a , 75ohns | Maurilio |
| LG | 14SB1RB | Low power supply 95 volts | Open resistance r844 - 4k7 | NENO DO ERYOM | |
| LG | 50PB650B | No image with sound | D405 and c204 | Replace components | E cobra |