Lg Repair Tips
Search: lg
Results: 4876
Results: 4876
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
32LG30R
LP81A |
When turning on the LED flashes twice | Deficiency of the pfc circuit (power factor correction), altered feedback resistors | The values of the first 4 are 620kΩ, and replace the last resistor (820Ω) with 1kΩ and that's it. | leitemarcellus |
| LG |
29FU6TL
|
With vertical closed from the middle up | Open diode | Diodo d301 1n4005 | hemersonlim |
| LG |
RP-14CB20A
|
Dark image, contrast does not work. | D502 with escape. | Persio(TVCompany) | |
| LG |
42PJ250
PB02A |
Does not turn on, stand by inoperative | Short circuit on the +5_vst line, c 502 (10uf/10v) | Replace c 502 (10μF/10v) | leitemarcellus |
| LG |
21FX5RL-LD
|
Doesn't start | Q 804 (bc -337) | Replace the same. | BARRETO CRUZ |
| LG |
21FX5RL-LD
|
Does not turn on, just stays on standby | Capacitor 835 (100uf/160v) | Replace the same. | BARRETO CRUZ |
| LG |
21FU1RL
|
Oscillates and disarms | If you increase the screen and keep pressing ch+ you will notice that retrace lines will appear | Cause was the c308 replace without measuring | |
| LG |
42PQ30R
|
Hits the relay directly and does not arm | Diode d352 (sb3200) in the main power supply and in the side power supply 100/50v capacitor c519 change without measuring as it seems to be good | ELETRONICA AUTO TREVO | |
| LG |
21FU4RL
|
Horizontal fora fequencia | R 512 next to ci 501 changes to just over 23k | R 512 22k | mecinhor7 |
| LG |
21FX5RL
|
Doesn't work | Fotoacoplador c 810 (22/50v) | ||
| LG |
21FJ8RL
|
Does not tune channels without 33 volts | R-114-30k | Swap -open | LUCIANO |
| LG |
CP20B86
SC-023A |
It takes a long time to turn on, when it does turn on it doesn't tune channels and it takes a long time to switch functions. | Diode 1n4148 d23, replace directly, measuring is good. | Secam | |
| LG |
21FU4RLG
M059C |
+10.5 power supply low, with 6v. the+9 drops to less than 5v. the horizon does not fluctuate. (+110v.normal) | Check r810 47r it changes to about 200r, it is under the power supply IC heatsink | reinaldo almeida | |
| LG |
29FU6TL-L5
|
3 RGB strips at the top of the screen | Replace capacitor c 304 no vertical | mateusf | |
| LG |
32LH35FD
|
TV blinking on and off until it goes into protection and turns off | Inverter board 4075 mosfets transistors defective. | Replacement | JFR |
| LG |
32LG30R
|
TV without selector signal | Faulty seletronic | Changing the seletronic or the entire board. In my case, I only replaced the seletronic . | JFR |
| LG |
20D90
|
Don't tune in to any channel!!! | Capacitors with lost capacity in the same tuner!!!. replace everything for new ones. 47uf 16v...2.2uf 50v...0.47uf 50v | barnes | |
| LG |
CP 20K70
|
Power supply ok, turning it on turns off the LED, it does not oscillate and quickly returns to standby | Ver c 510 | Master Eletronica | |
| LG |
21FJ6RB
|
It doesn't work, the stand by led comes on, when you press a key the led goes off, the relay hits as if it were going to turn on, but then the stand by comes on again | Deflector coil - measuring the deflector with the broken wire at the terminal that is soldered together as the green wire | When I looked closely, I saw the broken wire. It was still possible to recover it, but if not, just replace it. | tts |
| LG |
LM-U2350A
|
Panel does not light up (display off) | Q972 e q973 | Replacing them | fofao |