Lg Repair Tips
Search: lg
Results: 4876
Results: 4876
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
50PA4500
|
Totally grainy image | Resist 330 on open ysus board | Replace | Cabeça |
| LG |
32LN5400 LGP32-13PL1
|
The backlight does not turn on, tsound is no image | Check if tsound is voltage backlight_drv pin 1 of ic801 "enable" 3.3v. If you don't have it, check the 1k resistor r801 | Replacing resistor r801 | RUBENS UNIVERSO ELETRO. |
| LG |
CM4320
|
Sometimes it would turn on and off after minutes, sometimes it would turn on and not accept any command | Cold solders on the power supply board and oxidation on the front board | Resoldering the power supply board and changing some buttons on the front board, it turned back on normally | Zandona |
| LG |
20CB62
|
Vertical closed bottom folding | Ci804 regulator 78r12 | VelkDj | |
| LG |
49LJ5550
|
Does not connect wifi | Adapter with error or oxidation, shows as wifi disconnected | Open the device, disconnect its network card, reconnect the device with the adapter disconnected, disconnect the television again and reassemble everything again. wifi will return normally | Saltech |
| LG |
42PG20R
|
TV turns on and works for a while, then loses sound and then turns off and comes back with no image with sound | Capacitors with loss of capacitance | Replacement c1105,1109,1118,1128 and 1153 all 100mf/16v and run to hug | Eletronica Maranata |
| LG |
49LJ5550
|
Does not connect wifi | Adapter with error or oxidation, shows as wifi disconnected | Open the device, disconnect its network card, reconnect the device with the adapter disconnected, disconnect the television again and reassemble everything again. wifi will return normally | Saltech |
| LG |
14FK3RB
|
TV did not start the vertical deflection, even though it had 28 V and the new CI. | R313 - 47k this resistor delivers the vertical frequency so that the integrated can oscillate the bulbine. | Replace the same. (edfesom:) | EDFESOM |
| LG |
29LN300B-PC
|
Standby LED flashes and the TV doesn't work | Q1002 (smk630) feet heating, closing short and tripping the power supply | I also made the adaptation with a normal irf630 in place and it worked perfect | Nike |
| LG |
14 POLEGADAS
MC-059A |
Reduced frame on the power supply sides with 90 volts even after changing the photo | Resistor r844 next or photo acp. | Replace it and the ball show was resolved on the spot! | GENILSON OLIVEIRA |
| LG |
29FU1RL-L1
CW-62C |
Dead | Strw6556a, c808, r845, zd402, q830 e ic802 | Mr. Tecnico | |
| LG |
CM9530
|
No audio, lack of -60v and +60 power supply | C934 de 33nf 100v | C934 capacitor replaced | RUBENS UNIVERSO |
| LG |
14SB1RB
|
Frame reduced and shaking with buzzing | Diode under the sink of the power supply str position d801 | D 801 does not measure replace | josé santos |
| LG |
CP-20B86
MC-83C |
She calls arrives high and goes into protection. voltage all normal | Ic301 la7833 with pin 1&2 shorted I replaced the la7833 on the vertical with a replacement ta8403k it was fine | Just replace and go for a hug "good luck" | |
| LG |
32LD460
LT01B |
Image stuck on the logo and scrambled. | Bank of 10r ar1215 resistors, tsound are 4 and one of these resistors was open. They communicate between memory and the processor. | Daniel Dega | |
| LG |
21
|
Image shaking in av like bad cobo normal audio | R 512 | Tracar r 512 | Eletronica Carlos Viseu-PA |
| LG |
RAD136
|
Display does not light up / all functions are still working. | FL + 3.7 volt track broken on main board. | Jailson | |
| LG |
32LK330
|
Does not turn on. lightning overload | Replace: q709(k3868), q710(k3868), q707(k3868), q708(k3868) f501(3.15a) | jjsantosneto | |
| LG |
42PJ350
|
No image but normal sound | With sound and without image, I checked all the voltages va, vs, m5v, but tsound were no voltages (-vy) and (vsc), both were 18 volts. | Identified open resistor 2r2 5 watts, resistor next to the t501 and also the t501 transformer had one of the coils open, the replace was carried out and the image returned, being perfect. | CDS_DIAS |
| LG |
42LD420
|
Stand by LED blinking and TV won't turn on. | Ar1201 open | Check all resistor banks connected to the TV's memory, one of them will be open. | Alex Lopes <small> |