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 | 21FU4RL | TV turned on and off, removing the Q16, the TV turned on normally | In my case ic301 vertical | wellignton diniz | |
| LG | 42LM5800 EAX64427101 1.4 | The standby power supply only works if the power supply is activated externally, voltages fluctuate | Ic501 a6059h replacing it worked partially | Seen with the oscilloscope it was noticed that the stdby ci worked and cut off restarting | Joelquin51 |
| LG | W2242C | Turning off the lamps | Worn out light bulbs | Put resistance of 560r from pin 1 to ground on the ci fan 7314 | Mariano |
| LG | CM | Turns on without sound and turns off showing s-pro | Zener diode 903 with leak in the primary. | Replace the same | M.zidane |
| LG | 14FK3RB | When you press the button to turn it on, the LED goes off, it tries to turn on but it doesn't turn on | 42 | Eletrônica Lima pb | |
| LG | 21FJ6RB MC059A | Menu in Korean. reduced vertical | Withdraw c50. c51 r514 and r516 | Ricardo Silva | |
| LG | 32LD350 | TV does not turn on, without STBY, main board shorted. | Short capacitor smd c405, next to the usb port | C405. | RNSPTEC |
| LG | 42LB5800 | With sound and white screen (back light on) without image | After testing the tcon, the conclusion was from the screen, in the research a smd c202 capacitor was found on the board on the right of the screen with a leak (around 800Ω). | Replacing the capacitor c202 removed from a TV board with a broken screen, (I measured the value of what I removed from another board and it measured 500pf) with this we recovered a display | Assolini BR |
| LG | 42PX4RV-MC | Audio hissing with noise and increased by itself without control | Altered smd capacitors of the pre-audio circuit | Replace c402 and c1102 47/16v + c1136,c462,c1312,c418,c444,cc419,c407 100/16v | reginaldo moronte,eletronica junior caldas novas |
| LG | 42LG30R | Completely stopped | Fuse open, q110 and q111 shorted, r140, r119, r120 open and zener zd115 (7v5) leaking | see more. .. | Strutz |
| LG | 14FK3RB | Low power supply with 86 volts, normal is 110v. | R844 4k7Ω resistor 1% accuracy changed to 6kΩ | Replace with another. | Edfesom Varjota CE |
| LG | 47LG50D | Turns on and gets black screen | Corrupted eeprom and cold solder on the processor. rewrite the eeprom first, if that doesn't work, reflow the processor, remove the heatsink from above first, otherwise it will bring the solders together and cause everything to short out | In my case I had to rewrite the eeprom and do reballing as it had already been replaced by another technician. uses the same eeprom programming as the 32lg50d. download the eeprom from this link and rename it to .bin https://www.electronica-pt.com/media/kunena/attachments/legacy/files/eeprom_lg_32lg_lcd.zip | Darci Denzer |
| LG | 29USP | Image flickering and then turns off | C869 (33uf 160v) | Barter it | NATO ELETRÔNICA |
| LG | 42LG30R | TV turns on and off | 2 capacitors 10/16v on the main board c879 and c875 | Replacing capacitor c879 and c875 | Marcio |
| LG | W1643C | Turns on and off several times, the lg logo appears and turns off | Useful life of fluorescent lamps | Replace the top lamp on the screen, or re-solder the lamp terminal, on the opposite side to the lamp power cable. | leoncio |
| LG | 32CS460 | No image. lamps on. | Changing the main flat cable to tcon. to replace. | oswaldo | |
| LG | 14SB1RB | Hiss in the sound | Change orange c506 cap, next to varicap, I put a ceramica 103, it worked normally | DJ PITUKA | |
| LG | 21FU4RL | TV turned on and off, removing the Q16, the TV turned on normally | R566 | Neto Dias | |
| LG | 21FU6 | Cushion effect | Ic 401 tda8145 | Replace | GDP2 |
| LG | CM4320 | No sound, but with all functions working perfectly. turning off after a few minutes. | Photo rusty pc 903 coupler. | Replace. | NEW PEK ELETRÔNICA |