Lg Repair Tips
Search: lg
Results: 4962
Results: 4962
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
32PC5RV
|
Spot on the display that appears to be defective | R438 (2.2ω/1w) open | Edson SP | |
| LG |
22LS4D
|
No image but normal audio | Turning off the protection of the IC oz9938q (connecting pin 3 to ground) the TV works fine. defect in the IC that goes into self protection. | Replace ic oz9938q | ERP-ASSIST |
| LG |
60UH650V
|
Doesn't start | R110 (1r)smd open power supply | ERP-ASSIST | |
| LG |
32LG3000
|
Just the 12v voltage on the t-con. short between pins 10 and 11 of the max8728e. | Max8728e and as15-g with problems | Replace both ci, check if the power supply has been affected | Marco Marques |
| LG |
55UB820V
LD48V |
Without image, with backlight and with audio. | Capacitor on t-con c331(22µf) shorted | Replace c331 | Marco Marques |
| LG |
42LN5200
|
Doesn't start | Problem on the mainboard. ic404(rt8289) defective | Substituir circuito integrado rt8289 (5a, 32v, 500khz step-down converter) | Pascual |
| LG |
CJ87
|
Device without sound but turns on normally, but the amplifier power supply switches on and off. | It was the photo coupler from the power supply itself open, ok. | Galileu Rocha | |
| LG |
42LG30R
|
Turns on after 40 minutes in hot weather, it turns off, only when it cools down it works ok, diode d1103 is weak. Change caps c875, c879, c1110, c1118, c1128.8 | By quickly disconnecting the capacitors, the diode took a while to turn off only in hot weather. | guinga sdia goias | |
| LG |
39LN5400
|
TV turns on, backlight turns on, but no image | Display board capacitor c19 shorted. | I replaced them all and fixed the image | ANTENISTABNU |
| LG |
32LJ600B - XXLJ600B
LJ7 |
No image, 12v missing on lvds cable | Check c3245, close to the 19v jack. | electronicssupplyparts - Gramado/RS | |
| LG |
L1953S
|
Doesn't start | In the power supply, 4 capacitors are swollen c202 - c204(1000µf)/25v, c203(680µf)/25v, c207(470µf)/25v | Replace capacitors | Marco Marques |
| LG |
32LK330
|
When connecting the input fuse blows | 221/1000v capacitor next to the 6r280 transistor with leakage | Replace fusivel e o capacitor | |
| LG |
32LW5500
|
The screen does not light up, the LEDs light up but do not come on | Bad contacts on the computer | Remove the heatsink and reflow the computer | |
| LG |
32LK330
|
Works for hours, however, occasionally turns off and restarts | Capacitores no inverter c19, c20, c21, c22 e c23 | Replace capacitors | |
| LG |
37LE5300
|
Turns on without image on screen. with ok. | Ci no led driver defective | Substituir ci as3693b | Vital |
| LG |
32LG32000
|
Does not turn on, dead power supply. | Short in the power supply primary. | Substituir transistor (p9na60), res. 0,33ω, r515 (33ω), r516 (10ω), r520 (1kω), ic ncp1207 | ERP-ASSIST |
| LG |
55UK6750
|
No image, LEDs light up | Tsound is a lack of 33v in the screen power supply. | Insulate binding tapes. | |
| LG |
32LJ590U
|
Doesn't work. power supply inoperative. | Power supply inoperative, fuse blown f9901(5a) | Substituir f9901(5a), fb9101 (0r33), q9101(8r1koce=20n60c3), d9107 (diodo), r9110 (68r), r9109 (10r), u9101 (3s121), c9118 (100pf), zd9108 (zener) | ERP-ASSIST |
| LG |
32LJ500B
|
Turn it off and on again | Zener zd9108(5v1) short | Replace zd9108 | Pablo |
| LG |
42LW4500
|
Turns off after some time. | Cold welds on the main power supply transformer | Pablo |