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 | 42LS5700 | Turns on normally but shows no signal. performs the search and shows no signal again | Ci 2132mf close to the replaced varicap. tuning returned normal. no sound. open speakers. | BICHARA SARQUIS | |
| LG | CP-29K30A | LED on does not hit the relay or start | Defective coupler photo | Changing the photo coupler | Alexsandro |
| LG | 50PW350B | Power supply vs high, turning off, relay hitting, second time in the workshop | General resoldering with emphasis on photo couplers and smd resistors connected to them, (first time) replacement of polyester capacitors and various electrolytics close to the tl741 | José Jair | |
| LG | 29 CW62C | Vertical closed on top | Resistor r308 and r328 all 47k, replace the two. | R308 and r328 below the vertical outlet heatsink. | MARCONES DE ARARIPINA -PE |
| LG | 29FX5CL CW62A | Vertical closed on top | R308 and r328 of 47k changed. | Replace r308 and r328 all 47k this tip, I got it from another colleague sound on the page. | MARCONES DE ARARIPINA -PE |
| LG | 32LC3R | Turn on the TV image failing and sound crackling when it starts to heat up, it gradually stops, it becomes normal | Solution replace capacitors c1040 c1047 c1048 and c1070 on the main board | Replace the mentioned components without hesitation | César Návas |
| LG | 50PT250B | Normal sound image with sparkling glitter-like drizzle. | R 440 of 2.2r 3w opened on the plate and suz. | Ferraz | |
| LG | 42LE5500 | Tv sem backlight | No voltage from drv_on. (3v3) | Replace r8026 on the main board, (next to the connector that goes to the power supply), I don't know the original value but I put it at 10r and it worked.. | Rafa Tofix Assistência |
| LG | 42LM3400 42LS3400 | Noise not som | Change q501 near the audio output ci | SOS ELETRÔNICA CANOAS RS | |
| LG | RP-14CB25A | Turns on normally with all voltages but no image | C502 is next to the varicap | Eletrônica_ND_ | |
| LG | 42PT250B-SA PB12K | Turn on and off | Damage to the y-sustain board (short circuit) caused by capacitors c753, c761, c757 and c758 | Replace transistors q708 and q709 (irg7ic28u) and capacitors c757, c758, c761 and c753 (1kpf/ 1kv) | leitemarcellus |
| LG | LHD625-FB.ABRALLK | Turns on, but DVD/CD doesn't work and doesn't play audio. just swap the inputs. | Q405 (voltage regulator 1.25v) faulty | Replace q405 (stb1188y) or its equivalent | leitemarcellus |
| LG | 42LV3700 | TV turns on normally, but the screen does not light up. | Measure 3.3v on inductor l508 on the main board. If it doesn't, it's the ic 3701 (hdmis) shorted. | Substituir o ic 3701. | Persio (TVCompany) |
| LG | 32LK330 | Does not turn on standby access | Power supply goes into protection | Removing the capacitor c402 was shorted | LOOPTEL |
| LG | 32LN536B | Vertical and horizontal lines appear in the image, image freezing | I removed the tcon flat on the right side, the image appeared normal, in half, I isolated some tracks on the left side of the flet, (I skipped the first ones) it was resolved | C.T.Eletrônica - Caruaru - PE - Brasil | |
| LG | 50PB690 | Doesn't start | Without 200(vs) ci supply ncp 3197 ic801 | Just replace and run for the hug | Cabeça |
| LG | 49UJ6300 | The LEDs don't light up | Shorted LED bar | All I had to do was remove the ends of the shorted bars and replace some LEDs and it lit up. | jrmc.63 |
| LG | 42LH30FR EAX56856906 | I'm sound | Smd capacitor depleted position c809 | Changing the c809 10μF 16v, close to the processor | SOS Televisores |
| LG | 42LD460 | Does not turn on. does not even light up on standby. good power supply | Remove the sw1001 touch key from the main board..and clean the board well..wsound the key is..leave it without the key. because she is driving. | fernando | |
| LG | 28MT | Increase the volume alone | Follow pin 2 of the connector that goes to the function keyboard, and remove the first resistor that goes to ground | Rodrigo cofferi |