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 | 29CC2RL | I'm sound | And just change the c808 and run for the hug | jdblacarda | |
| LG | 50UM7510PSB | The logo appears and tsound is no image, note: backlight remains on | Shorted internal wifi card | Replace or turn off the wifi card, run for the hug | Saltech |
| LG | 32LA613B | Re starting with lg logo in the image. | Flex cable from power supply to main with poor contact. | Dismantle the connectors on both sides of the cable one by one and tighten to apply pressure to the pins. | Davi Show |
| LG | CM-4330 | Turns on when you increase the volume the audio becomes hoarse (distorted) | After diagnosing the entire power supply board, find the 220r resistor r950 shorted, measuring 460k | After changing it, the sound works again | ASSISTEC, MANARI/PE |
| LG | 32LK330 | TV without standby, won't turn on | C410 and c405 (near the power supply connector) shorted to the main | C410 and c405 replaced, problem solved | Tiago Sow |
| LG | 42LE5300 | Sem backlight | Q701, on the inverter board. regulates 3.3v. I made a jumper and removed r783. | joaomvjr | |
| LG | 42LD460 | Doesn't start | Shorted ceramic capacitor c459 | Replace the shorted part | MULTINFORMÁTICA |
| LG | 14 MC 059A | Lack of vertical at the bottom with saw teeth | Replacement 305 resistor is ok | Replace the 305 resistor, it's ok | jose cicero |
| LG | 14 MC 059A | Burned the fr 301 | Burst vertical | Replace the vertical i the fr 301 stays blz i run hug | jose cicero |
| LG | 42LD460 | Does not turn on, stand by LED is off | Short on the main board, it killed the 3.5v from the power supply bl.on | Ceramic capacitor shorted on main (c619) | Maurilio |
| LG | 42LC4R | Turns on and off in less than 1 min | Power supply recap | Replace all the electrolytics in the power supply, they were all damaged. I replaced everything, I'm 100% | |
| LG | 28LN500B | Tv completely dead, measuring the power supply input on the board on the homic scale is shorted. | Checking the board I found a shorted 10uf SMD capacitor c1112... replaced and problem resolved. | GR EletrOnica | |
| LG | 32LM3400 | Image with black dots | I changed the tcon 6870-0370, I put the 32lv, it worked perfect but the image was reversed, I removed the r24 in the tcon and it was reversed, it was perfect. | Sylvox | |
| LG | 32LM3400 | Image with black dots | I changed the tcon 6870-0370, I put the 32lv, it worked perfect but the image was reversed, I removed the r24 in the tcon and it was reversed, it was perfect. | Sylvox | |
| LG | 21FJ6RB M059A | On and off remains on standby. | Capacitor with oxidized legs or without capacitance. c409 of 220uf by 10v. note close to the +180v power harness | After changing the TV ok. | George Pontes |
| LG | 47LH70YD H | Hdmi ports don't work | HDMI chip getting very hot, defective | IC601 Chip Replacement TDA9996HL/C1 | Marcelo Rodrigues |
| LG | 42PJ350 | Power supply arms and then disarms | Transistor q-906 shorted. | Replace the same | Régis |
| LG | 28MT49S | Doesn't start | 10mf capacitor shorted near diode feeds leds | Replacement | EJ |
| LG | CJ87 | Does not turn on or turns on from time to time | Defective x500 crystal | Replace the crystal with a 20mhz one soldering on pins 1 and 3, since the original has 4 pins or pads. | Fofao estância |
| LG | 26LH20 | Backlight disables after about 4 seconds | I noticed that it was only when tsound was no video signal. | But the solution was the same as that suggested by Fatec Electronics, that is, isolating tracks 2 and 3 of the flat connected to the p402 connector. | Chumbão |