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 | RAD125 | Low sound without pvdd voltage | Broken track on pin 8 of ic902 to c907 | Enéias | |
| LG | 32D5500 | No image | C311,r400 na t-con | ROBERTO CONSERTOS | |
| LG | 47D460 | Colored lines in the image | C411 e l400 , | Put a 0.33r 2w resistor | ROBERTO CONSERTOS |
| LG 29 | 29FU6TL | Hitting the relay doesn't turn on, everything is ok but it doesn't turn on | R 801 amended | Replace of the same | washington |
| LG | 21FU1RL CW81A | Doesn't start. The LED blinks and does not start. | Low power supply voltage. 64 volts at +b and pulsing lightly. all other voltages were low below. After checking everything, it was resolved by changing the fly back vsc24-3368j. detail: even turning off the +b of the fly back did not increase the voltage. | Eletrônica R-Tec | |
| LG | CP14B85 | Greenish image giving the impression of being a tube | Dz502 shorted | After checking the RGB tube, transistors and resistors, I found the dz502 shorted, replaced it, resolved | janilson jc |
| LG | 21FU6LT | No red | Q901 without voltage on the base, zd502 of 9.1v open | Replace zd502 | Airton |
| LG | 21FS4RL | Works perfect but keeps turning off | To do this, place a 4k7 resistor on transistor q16 between the base and emitter, and best of all, you won't mess with the TV's protection, | Color tech eletrônica | |
| LG | 21FX5RL | Setting up protection | Tries to call, can't | Horizontal oscillator tl431 just replace it to another pipino | Damascena |
| LG | 21FX5RL | Has Audio and no image missing 05 v- in varicap | Electrolytic capacitor 330x10-v | Capacitor 108 perto do varicap | Damascena |
| LG | CP-20B84 | TV stopped and no sign of life | Zd 802 short | I replaced it with a 9.1 v zener | APOLO ELETRONICA T.C. |
| LG | 29FX5CL | Cushion effect with excess width | L401, q302 and c314. Just to reinforce the tip that was already given. | Eletronica Cecé- Brumadinho MG | |
| LG | 42LD460 | Turning off after a few minutes or even seconds. | Defect in inverter c401 and c402 | Replace if you measure c401 and c402 | eletronica cachoeira |
| LG | 21FJ6RB | Retrace lines with white screen does not give screen adjustment | Replace fr position 501 and d505 | Raul de saja eletrônica R.E | |
| LG | M227WAP-PM | Turns on image appears and goes out, sound remains normal. all power supplys normal. | D102 at the power supply, tsound is no point in measuring, you have to change | D102 | REAL ELÉTRON CARVALHOS MG |
| LG | 47LW5700 | LED blinked on and off but didn't turn blue | I threw contact cleaner under the processor when drying, put the blower at 450°C for 2 minutes. let it cool naturally. TV worked perfect if returned for assistance. | Rogerio_Federal | |
| LG | 39LN5400 | Whitish image | When cleaning the screen, water ran into the flats | Checking one of the flats for zinabro, I cleaned it and replaced the smd c10 capacitor and the defect was resolved. | Adeildo Eletro Pedroso |
| LG | 29FS4RL | TV gun hits relay but won't turn on +b drops to 0v | R837 changed | Replaced and resolved | Antonio Carlos(Eletrônica Renascer |
| LG | RP-21FB32 SC-023A | TV turns on and within a few minutes it turns off, as if it had received a command to turn off | Micro at a high level on pin 1 (4.7 v), then it kept oscillating and dropped to a low level (0 v) turning off the TV | R420 open, replace (it caused a malfunction in the ocp circuit of the q403, sending a false high message from the power supply to the computer) | Lourenço (SEMED) |
| LG | 42PJ350 | TV turns on with no image normal voltages T-con LED flashing indicating that it is ok | T-501 rusty non-saida pine | Replace it or carefully remove the shield and carry out resoldering. | Kel Araújo Assistencia Tecnica M6 FSA_BA |