Lg Repair Tips
Search: lg
Results: 4876
Results: 4876
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
42LD460-SA
LGP42-10LF |
As soon as it turns on, the lamps start to blink and their traffic emits a lot of noise. | Replace the 10k trimpot on the power supply secondary that sets the backlight oscillator frequency. | Vr301 replace = 10k | ximelo |
| LG |
OM7560
|
Panel and LEDs off | Shorted or open smd transistor main board near the cn605 flat connector | Changing the same position q206 | |
| LG |
32LM3400
|
TV has 5v standby, when pressing the power key, it flashes twice as if it was going to turn on. it didn't have 12 and 24v | Was or ic503 (photocoupler) oxidized. | Manoel Damião | |
| LG |
21FU1RLG
MC-059C |
Normal alloy with a white stripe at the top of the screen. | Vertical | Changing the vertical stv9326 or la78040 doesn't work, putting in the horiginal which is the stv9326! | Sinailson furtado |
| LG |
RP20CA10
|
Doesn't call, just calls when he wants | Change cap on secondary power supply, c815, 1000x25 | DJ PITUKA | |
| LG |
RP20CA10
|
Doesn't call, just calls when he wants | Replace cap on secondary power supply, c823, 1000x25 | DJ PITUKA | |
| LG |
47LB7DF
|
Does not turn on, pfc circuit does not bend 400v. Vcc supply of cis u101 and u600 is low, causing the 400v not to double | Shorted components close to u501. | Replace of components: zd500 zenner 15v, smd transistor q501 "I took it from scrap from a similar PCI", cracked c509 smd. I didn't find the schematic for this power supply. | rafaelmoraes99 |
| LG |
HT503SH
|
Just stand by and doesn't turn on | C934 1000mf x 10v on power supply board with low capacitance | Replace c934 | NEI |
| LG |
32LH20R
|
Blinking light bulbs | Remove wire (error) from inverter | Paulão | |
| LG |
32CS460
|
Blinks the backlight a few times and turns off | Some burnt out lamp | Replace burnt out light bulb | Thiago MC Jaú |
| LG |
42PN4600
|
Turns on, the LED just keeps blinking. | Money problem ysus | Replace the kit, turn it on and get a black spot on the screen, check r630 10r or 10Ω, good luck. | Eronaldo (erontec) |
| LG |
21SA1RL
|
Generates and cuts, high power supply | R-842, crossed, aq | julinho da eletronica | |
| LG |
21FJ6TL
CW81B |
Does not turn on, with hissing sound from the speakers, normal power supplys. | Faulty 9v regulator, IC804, only releases 6v on the second pin. | After changing the TV ok. | George Pontes |
| LG |
43LF5100
|
No image or bluish image | Defect in the LED bars. | Replace led bars. The originals are no longer supplied by LG. However, the rules of the 43lj5500 can be adapted and it is very simple code: agm76149801 | rafaelmoraes99 |
| LG |
26LG30R
EAX40043811 |
Turns on, but no image (with backlight) | Q1101 (4925b) burned. I changed it and it started working again. | Just replace the q1101 close to the lvds connector. It can happen that the tcon burns out when this chip burns out. | Darci Denzer |
| LG |
32LV300C
|
Power supply does not turn on | Fb9101 c9118 e zd9108=16v | Replace and go to another | Gilvan Gregorio |
| LG |
RP-21FB32
SC 023A |
Locked on channel 3; locked keys; voltages ok | Eeprom | Rewrite eeprom memory | Fabio SOS ELETRÔNIOS@ |
| LG |
42LH20R
|
Backlight turns off after a few seconds, blinks and turns off | Setting up protection | All credits to filipe furtado, remove resistor r1042 from the main board, close to the power supply connector | Claudio Eckert |
| LG |
37LH20R
|
Backlight turns off after a few seconds, blinks and turns off | Setting up protection | All credits to filipe furtado, remove resistor r1042 from the main board, close to the power supply connector | Claudio Eckert |
| LG |
32LH20R
|
Backlight turns off after a few seconds, blinks and turns off | Setting up protection | All credits to filipe furtado, remove resistor r1042 from the main board, close to the power supply connector | Claudio Eckert |