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 | 29MN33D | Backlight does not come on, LEDs are ok | C.i dt1641as, right on the corner of the board, follow the positive supply to the LEDs. | I took it from a scrap board, I couldn't find it to buy | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| LG | 21FU4RL | Thin stripes running horizontally across the screen, and a 15cm vertical strip in the center of the screen. | Ci 102 | Ci corrupt memory, rewrite or put a new one. | guinga (sdia goias) |
| LG | 21FJ6BR | Normal league but with the pink image | Wormy picture tube | Replaced and solved the problem | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |
| LG | 21FJ6BR | When connecting the TV to the socket, the LED lights up, but it does not turn on on the control or the keys | X1 crystal | I replaced and ran to another one | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |
| LG | 42PC1RV | Sometimes it doesn't turn on, it takes a while to turn on | Weak electrolytic capacitors | Replace the main el capacitors c1016,c1020,c1017,c1038,cc1018,cc1046,c1019, replace all those nearby too | eletronica junior reginaldo moronte |
| LG | LE5500 TODA A LINHA 5500 | Does not tune channels and hdmi does not work | Replace q8201 and r8603 | ADEMAR | |
| LG | RP-20CC97 MC-059 | No contrast whitish image | D502 | D502 1n4148 linha do abl | ELETRÔNICA MUNIZ |
| LG | 32CS460C | Stop | Zener diode 503 and r503 short | Lel | |
| LG | 29FU6TL | Normal secondary voltages do not turn on or light up, but tsound was a voltage missing that powers the computer | Isqaq=Kahqraa | Replaced and solved the problem | Antonio Carlos (Eletrônica Renascer) Boa Vista do Gurupi-MA |
| LG | 42PT250B | Without image, with sound. | Z-sus board with shorted transistors | 2x rd2004 and 2x 30f124 shorted. replace and run for the hug! | PL Eletrônica |
| LG | 29FX5CL | TV with standard power supply but it doesn't turn on, it looks like it's working, but it doesn't oscillate horizontally | Open resistor, r556 | Just replace it and the TV is normal | luiz videotek |
| LG | 32PQ30R | Colorful drizzle on top of the image even on HDMI. | 2r2 2w aberto na y-sus resistor. | pardal1967 | |
| LG | 21FU4RLG | Loud noises in the speakers | Normal | Reginaldo | |
| LG | RP14CB25A | Turns on and then turns off and the secondary power supply is zeroed | R816 changed in the schematic says it is 1k but if it is placed the power supply is 95v and has a stripe on the side | The correct one and a 180 resistor becomes zero again 110v power supply ok | Elias tv Natal R|N |
| LG | 21FJ6RB | Its defect was characterized by turning on the key, but not responding to the remote control, nor to the keys. everything locked. it worked but after about 2 minutes it went out. No solution found on the internet. changing some covers, photo, regulator near the keyboard, tsound was a shorted key, the replacement was done but it didn't solve the problem, so the sensor was shorted, with the replacement it stopped on, but the memory had to be changed, because it was very hot. So, everything is ok. | Sensor and memory replacement. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> | |
| LG | 32LB9RTA | Voltage 3.4v was 1.8v | Fet transistor q205 with leakage killing voltage | Just replace and run for the hug thanks everyone post because I already got tips tsound so it's worth helping each other hug | Sebastião Rodrigues |
| LG | 32LP560M | The LEDs light up but the image is not visible, sound is normal. | Defective IC401 voltage regulator integrated circuit | Edson SP | |
| LG | 42LG60FR | Turning off by itself | C1118 and c 1128 on main board | Replace without testing | Laercio Gonçalves |
| LG | 42PG30TR | Negative or blurred image | Capacitors on the main board | Replace c1044, c1019, c1038 | Weslley (UNITEC) |
| LG | 21FJ6BR | It doesn't turn on, the LED lights up but it doesn't obey the control or the buttons to turn it on | X1 crystal with oxidation on the terminals, i.e. broken terminal | I cleaned the terminals and put them back in place because in my case the terminals were big and the screen turned on right away. | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |