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 | L192WS | Turns off after a few seconds of operation. | Change without measuring c808(1000µf/35v) | Duarte Pacheco | |
| LG | 60PB6500 | With sound, without image. | In the ysus power supply that generates 20v tsound is no 18v after the regulator capacitor c202 is shorted. | Replace the c202 and go for the hug. | Pardal1967 |
| LG | 32LD460 | Turns on and works for a few seconds without an image and turns off remaining on standby | Mosfets q708 q709 shorted and fuse f501 open. check the q707 and q710 on the same heatsink. | Changing the transistors and fuse. | Multimídia |
| LG | 42LF20LF | Nothing works | Open and reset the main board until the ld flashes or turns green, don't panic if it doesn't turn on again, give it some time and come back and it will turn on | Romão.Jr | |
| LG | 21FX5RL ............................. | TV turns on and works normally. but it turns off after a few minutes. | R- 547 of 100k open on the abl line to land | Replace r 547 of 100k | valdeci peixoto |
| LG | CM4640 | It's out of control, only the CD is working | League plus so merge or cd | Martins santos dos anjos | |
| LG | CP20B86 | LED turns on and off secondary dies | D812 | Mega Center | |
| LG | 21FU6TL CW81B | When you turn it on, it generates and cuts, insist a lot, it turns on, then they come with a vertical line in the middle, but you have to adjust the escrim a little to see | Ic301la78041short | Replacement gives vertical output the TV was very good | Maquete eletrônica |
| LG | 21FU6TL CW81B | All white screen with lines of retraces observation it has normal sound on all channels | Fr 501 0 5r open | Place a 1r one and it's ready for delivery to get your pick of the week | Maquete eletrônica |
| LG | 21FU6TL CW81B | All white screen with lines of retraces observation it has normal sound on all channels | Fr 501 0 5r open | Place a 1r one and it's ready for delivery to get your pick of the week | Maquete eletrônica |
| LG | 21FU6TL CW81B | All white screen with lines of retraces observation it has normal sound on all channels | Fr 501 0 5r open | Place a 1r one and it's ready for delivery to get your pick of the week | Maquete eletrônica |
| LG | 32LG30R | The TV turns on, but after turning it off, it no longer turns on | Just replace the common resistor r128 11kΩ on the power supply board with a 15kΩ one. | The TV constantly had this problem. When I replaced resistor r128, it resolved. | JULIANO |
| LG | CM4330 | Works for a few minutes, then the sound disappears and goes into s-protection | Check the 26v voltage on pin 15 of the cn901 connector, if it varies, check the zd904 10v diode | WILLIAM C.M. | |
| LG | RAT376B | Display off fl+ no voltage | R931 10k | carlinhos100 | |
| LG | 37LF66 | Does not turn on, no voltages at the power supply output | Fb501(2.2r) open and ic u500(ice3b1565j) shorted | Verificar c508(33µf/50v), zener zd502(1n5227) e d501(μF4007) | Matias |
| LG | 47LF66 | Does not turn on, no power | Change without measuring the capacitors c202, c206 and c217 (2200µf/10v) on the ip board (inverter power supply board) | Matias | |
| LG | 47LY95 LD75A | Negative image, no sound. voltage at pin 7 of p202 low. | Check connector p202. check-replace capacitors c221, c222, c223 and c232. and semiconductors q202(ap72t02gh), q203(ap60t03gh) and u203(apu3037m) | Matias | |
| LG | 37LE2R LP61A | Doesn't start | Tl431(u130) at power supply (psu) | Replace i.c. | Matias |
| LG | 32LE2RZJ LP61A | Remote control does not work, a common problem with several LG models | Check/change smd capacitor connected to the ir receiver, 10pf or 100pf, depending on the circuit. | Matias | |
| LG | 32LC56ZC | Does not turn on, power LED flashes green and red | Check and replace c226(470µf), c218(2200µf/10v) and all of this value c202, c206, c217, | Matias |