Lg Repair Tips
Search: lg
Results: 4875
Results: 4875
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
CP-20J50
MC-83A |
Closed vertical, varying height or tremulous | Replace c316 and c308 | ECJ | |
| LG |
RP20CB25A
MC059A |
Without horizontal synchronization. | R512 of 4k7, was measuring 5k1 (it comes out of pin 18 of ic501. | Just replace the precision resistor. | gmcmaster10 |
| LG |
29CC2RL
|
Tv with red screen and retrace lines | Tube socket | Replace the same | eletronica shalon |
| LG |
29FS4R
|
Turns off after a few seconds. | Protection problem. | Testing r843, 220k. | lou |
| LG |
RP-20CB67
|
Sometimes I tuned in and after a while I left | Several tests were carried out on the 33v +b and clok and data and the signal was inserted into the fi, it was found that it was the tuner | The replace of the same | HIPERELETRONICA SERVICE(MARCELO) |
| LG |
RP-14CB25A
|
Without horizontal synchronism, both in rf and av | Several tests and rewriting of the eeprom were carried out, the famous diodes were replaced and nothing was done until we reached the conclusion of the micro | Micro ic 501 replacement | HIPERELETRONICA SERVICE(MARCELO) |
| LG |
W
|
Turns off after 3 seconds | Wire that turns on the LCD lamp loose | Disassemble the LCD and solder the wire | |
| LG |
21FU4RL-LS
|
Alters for 5k6 | Shameless breastfeeding | Alters for 5k6 | EletroClaudio Aguas Belas |
| LG |
RP-20CC25
|
Turning off after a few minutes, normal image and sound. | Fr403 (1,2r) ok. | In this case it was the r420 (240k) connected from ground to the emitter of the q403 close to the fly-back. It was open. | Manoel (Noca) |
| LG |
21FJ6RB
|
Shorted flyback | Doesn't work | I replaced the original flyback with the Toshiba at- 2079=ao it was a gem. | oilec |
| LG |
29CC2RL
|
Doesn't start | Transistor 809 open emitter | Obs don't turn on the relay | |
| LG |
21SA1RL
L4 |
No sound or sound only in the av | Ic 605 la 72703 | www.teteletronica.com.br | |
| LG |
20CD2R
MC59 |
Does not turn on (LED on, normal power supply) seen protection, FBT, clock, eepron everything ok | R 512=4k7 open on pin 18 of the micro | francineutom lima | |
| LG |
RP-29CC26
|
Knocking relay and blinking led - doesn't work. | Zener diode 803 6.2 volts short | On the schematic it says 5.1 volts, on the chassis it says 6.2 volts. | std eletronica(PALMEIRA) |
| LG |
21FS4RLG
|
Blurred image. turning off after a while and with a light point in the center of the tube. | After cleaning the socket and re-soldering it, the focus was normal and the light spot came out. After replacing the damaged r420, the TV no longer turned off. | Gilcimar Rocha Pereira | |
| LG |
RP-14CB25A
|
Reduced width with return lines and then turns off | Photo coupler | You can put the photo 817 and it works normally | ELETRONICA ELETROSONIC |
| LG |
29FS4LG
|
Vertical half closed when you twist the PCI normalizes | Change the vertical output (with internal flashing) see smoked resistor under the ci | WARLEY CESAR | |
| LG |
HT502
|
No sound, turns on normally and outputs ok. | Reprogram eeprom, see service manual | joaomvjr | |
| LG |
32LG30R
|
The LED lights up, but there is no image or sound. stays on standby | Replace the r 128 with a 15k one, if it doesn't work increase it to 22k, remove c108- zd111 and z112 and replace c 207 and 208, both 3300/10v. | joaomvjr | |
| LG |
37LH20R
|
Turns on, normal, disappears image and remains with sound | Protection acting | Add res 220Ω between the 12v line and pwm-dim and zener 3.3v with cathode to pwm-dim and the anode to ground | cabessãonatal |