Lg Repair Tips

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Results: 4875

Make	Model	Symptom	Problem	Solution	By
LG	CP 20B85	Turns on and then turns off (returning to stanby)	Vertical circuit failure. to make sure, open the emitter pin of transistor q 13, connected to the IC 804 regulator. If the TV turns on and stays on, the vertical defect will be confirmed.	Check components in the vertical amplifier line. in my case it was the 82k r313 that was open. After changing the TV, it returned to normal.	Denilson serviços técnicos
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)