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 | 20CD2R | When the TV was turned on, it worked normally, after a certain period of operation, the image at the top reduced as if it were vertical... | Changing the photocoupler (changed) | neilson nicacio (sonivídeo assistência) | |
LG | 21FJ6RB | Turns on normally, after a while it turns off | Rusty d501 | Barter it | Nel Eletronica |
LG | RP20CB62 | No horizontal synchronization | Memory 24c04 | Replace it and reprogram it - leave 8 keys in 1 so that the on/off switch works perfectly. | eletronicaapolo |
LG | CL-21K40MQ | Chirping very loudly and out of horizontal frequency | All I had to do was change the deflector coil and the TV was fine. | ELETRO JACOB | |
LG | RP 21FE85G | Off | Open r420 | R420=240k replace | VITALTEC |
LG | 32LG30R | TV turns on whenever it wants | C108- zd111 z112 remove outside | Remove it to activate protection | ELETRONICA MAURI JUNIOR |
LG | 21FU4RLG | TV has image but no sound, good speaker, sound output ok, I re-recorded the memory and nothing | Update snd mode in service mode. enter service mode and do this >>> 1- update snd mode 1.1 - press the in-start key on the remote control. 1.2 - press the menu key 4 times. (after pressing the menu key 4 times, figure 01 will appear on the screen). 1.3 - access the snd mode icon and change it with the right arrow on the control as instructed below. - for tv mono model = snd mode = mono - for tv stereo model = snd mode = 2 real st 1.4 - after the change, press the enter key and then turn off the tv using the power key on the remote control (to save the change). | Enter service mode and do this >>> 1- update snd mode 1.1 - press the in-start key on the remote control. 1.2 - press the menu key 4 times. (after pressing the menu key 4 times, figure 01 will appear on the screen). 1.3 - access the snd mode icon and replace it with the right arrow on the control as instructed below. - for tv mono model = snd mode = mono - for tv stereo model = snd mode = 2 real st 1.4 - after the replace, press the enter key and then turn off the tv using the power key on the remote control (to save the replace). | GILSON |
LG | RP-14CB20A | Completely stopped, stand by LED off, power supply voltages all normal. | Capacitor c833 [220uf/10v] shorted. | Replaced for a 470μF/16v one without any replaces. | Altevirlima_Valparaiso Eletrônica_PA |
LG | 21FU4RL | Completely stopped without standby | C 25 shorted | silva2 | |
LG | 32LG3000 LD84A | Does not start. The blue status light stays on intermittently after trying to start. | Change secondary power supply capacitors even if they seem ok | iToolBox | |
LG | L172WT | Doesn't start | Power supply ic101 1200p60 | Replace ic101 1200p60 | vhilario |
LG | 21FU4RL | TV does not oscillate when turning off the vertical power supply, it oscillates more when the vertical is closed | Replace c311 2200x25 v | euripedes | |
LG | DR175B | Nor video tÉm sÓm | Remove any disc from the drawer and close it, when the message appears on the disc, press and hold the stop button on the panel for 5 to 10 seconds, this procedure disables the progressive scan | EletroClaudio Aguas Belas | |
LG | DT-585NP | Does not turn on, low power supply voltages. | C121 + c122 power supply. | Mário Tavares | |
MINI SYSTEM LG | RAD114 | There is no sound | Ic801 mlc9800 shorted at 3.3v input | Replace | EletroClaudio Aguas Belas |
LG | MCD504 | Total shutdown | Power supply does not generate | Q902 with leakage replace | vitaltec |
LG | 21FJ6RB | Blurry image/white screen. After a good while on, it returns to normal. | Trc board socket | Replace socket, turn it on, and everything is ok. | bonfim/soluçoes eletrônicas |
LG | RP29FA35A | Without +b inoperative {not even the LED lights up} | Capacitor c405= 681/ 2kv {shortcut} | AC MORENO | |
LG | 21FU4RL | +b low. When you press the power key, the LED goes off and then lights up. | Tr q801 (c5343) on the power supply secondary. | Manoel (Noca) | |
LG. | 29FX5CL | Very open image on the right side of the screen, the menu is shaped like a cup. | C407 shorted. | It was just a matter of exchanging and celebrating. | Armando;Eletronica EvoluSom |