LG TV Repair: Common Faults and Solutions.
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Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 32LB9RTA | Keyboard lock | Firmware on rear eprom corrupted. | Rewriting the ic701 eprom or changing it, I don't have the firmware because my recorder is bad so I replaced it. | AntonyGarcez |
| LG | 60PB6500 | Tsound is no image tension (vs and va) low | Lb605 open q603 shorted kp11n60 can replace with p11nm60 | speedtec | |
| LG | 32LE5500 | Activates the relay with a whistle, no image, red LED flashing | C9141 47uf/25v | Replace without measuring | Paulo-ps Eletronica |
| LG | 21FJ6RB | After lightning, the TV turns on with a "locked" screen, keys and remote control inoperative. | Corrupt EPROM data, damaged infrared TSOP receiver. | After re-recording eprom TV returned to normal except remote control, just replace the IR receiver, TV ok. | Denys de Sene |
| LG | 42LM3400 | Has back light but no image | T-con board fuse, c209 or c210 shorted. check the 12volt da-con switching transistor is open on the main board. | ||
| LG | CM4330 | Don't care, power supply ok! When activating the power, you will notice a slight blinking in the LEDs around the vol knob. | Ic701 burst. | Replace ic701, tas5612la. | BRITO |
| LG | 21FJ6RB | Doesn't start. LED off.2* from power supply without voltage | C-417 221k/2kv. q-402 c0693. e flayblack 6174v-6016a. | Just replace the ones mentioned. and go for the hug. | NILMAR (61)9.9818-3695 |
| LG | 32LM3400 | With audio, with backlight and without image. | Mau contato no cabo lvds | Cable cleaning. | Pontocom informatica |
| LG | CP-20K70 | Pacifier clicking and leaking loudly. | After changing almost everything regarding the horizontal output, fly, c width, without success, I decided to change the h output even though it looked good. it was potatoes. Here's a tip. | NPV | |
| LG | 42LS4600 | Image | 250k 1kv capacitor shorted on the diode line near the rectifier bridge | Just replace it and get it back | |
| LG | 21FJ6RB | Vertically closed from the middle down with a 1 cm white stripe | 12 k resistor r305 open close to vertical | Kel Araújo assistência técnica M6 | |
| LG | 42LN5460 | TV turns on normally, has audio, screen lights up backlight, but tsound is no image | 12 v low voltage, between +- 9 v, change i.c 404 rt8289 | Marcelo - Governador Valadares MG | |
| LG | 21FJ8RL | The TV turns on normally with curved side bars effect cup or pylon waist | Change the coil l401 open and proto the tv will be normal | Sinailson furtado | |
| LG | 21FU1RL - L3 CW81A | Vertical reduced with + or - 5cm | R313 changed | Replace r313 22k | zu |
| LG | 55LV3500 | Image forms slowly, takes time to appear and disappear | T-com board defect | Lack of voltage vgh of 27v r273 of 300r open makes the voltage set up | Marcos infotron-ltda |
| LG | 29LN300B-PC | Standby LED flashes and the TV doesn't work | Q1002 (smk630) feet broken near l1001 and l1002. | Replace for another equal one or for a 7n80 | evandoviana |
| LG | CM4440 | Turns on normally without sound, then activates protection | Ic931 12v regulator | Replace | Marcondes Ohm eletrônica Jaicós PI |
| LG | W1941ST | Monitor turning on and off normal voltages | Power supply opto coupler | Mariano | |
| LG | 14FK3RB | The LED turns on and off | 405 diode in short near the AV inputs 1n4148 | Just replace and run for the hug | Eletrônica Power |
| LG | 14FK3RB | The LED turns on and off | Diode 407 1n4148 shorted near flyback | Eletrônica Power |