Lg Repair Tips

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Results: 4915

Make	Model	Symptom	Problem	Solution	By
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
LG	21FJ6BR	Arm and disarm lights up stand by, but when you press the keys or control the LED goes off and +b drops	R842=27k open	Replaced and solved the problem	Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA
LG	29FX5CL	Cushion effect and excess width	Shorted th301		Nunes64
LG	14SB1RB	Vertical closed	Resistor r301 15k		3R
LG	21FU4RL L3	Does not tune channels	33v track broken and r114=30k open	Redo the trail, replace the r114 and just joy	Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA
LG	42PQ30R	Turn on and off	Y-sus queimada	I located the leaky IGBT Q16, after making sure that tsound were no burned components and no open resistors, I managed to find the original IGBT 4086 on the open market, (the original IGBT, looking at the piece from the front, has a little hole, inside it tsound is have a letter), I assembled everything and everything worked.	Maurilio
LG	RZ-32LZ50 ML-041A	Defective, blurred, dragging image.	Checking all electrolytic capacitors (through hole and SMD) for high ESR values	Replace all capacitors with values that were too high despite appearing physically fine. pay special attention to c604, c503, c566, c565, c815, c957, c958, c1113, c1115	emoniz
LG	39LN5400	Off, perfect sound	Replace the complete back light	Tsound is no point in reconditioning the bars, as it will come back under warranty and you will have to pay for it.	Eletro Fast Info audio/video e celular
LG	L1511S	Lamps turn on and off (top lamp turning on halfway.	Replace q106 e q107(d1616), c104(18j100), c100(330uf,35v)	Replace q106 e q107(d1616), c104(18j100), c100(330μF,35v)	BRUHHNO
LG	21FU6TL CW81B	Replace r844	R844 4k7 dando 70k	Replace r844	CLAUDIO_TECNICO_SURUBIM_PE
LG	32LN540B	League has sound, but no image, dark image	Before finding out if it was the LEDs that were defective, first measuring the voltage on the pin that powers the LEDs was very low at 50.8v, measuring the power supply at 3.5v everything was ok, measuring the 24v and 12v voltages it was ov, the problem was a lack of Attention, I found photocoupler ic102 - el817b leaking, ic202 - nr891d short, replace with the original and d206 - smab36 with the original, remove the defective board	I turned on the TV, the LEDs came on and the ATV was working, everything was ok, defect resolved	Andre
LG	CP29K30	TV with LED on, you try to turn it on and then it turns off.	Ic555 and ic853 both with cold soldering.		Armando de Olímpia
LG	21FU6TL	This TV arrived at the workshop with the ic301=la78141 broken, I changed it and the TV turned on but with the vertical half closed and with a line in the center of the screen, the image was bent.	Fr301 open (note. the ic 301 power supply is 26v and it was 15v only after a long time banging my head I decided to test the fr301 and the damn thing changed	I replaced and ran to another one	Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA
LG	42LM6400	No image on screen	Capacitor: c7757 shorted	Replace for another	lucinaldo
LG	21FU6TL	This TV arrived at the workshop with the ic301=la78141 broken, I changed it and the TV turned on but with the vertical half closed and with a line in the center of the screen, the image was bent.	Fr301		Antonio Carlos (Eletrônica Renascer)
LG	39LB5600	Blinking backlight LEDs.	L801		e.vargas
LG	42LG30R	TV would turn on after a few minutes on HDMI 2 it would turn off and on 1 it would have no sound but with image but controls no longer worked	Different capacitors change without testing, c1110, c1118 and c1128	Replace capacitors on the main board, replace without testing, c1110, c1118 and c1128 with electrolytics or if you have the same ones	ES informatica e eletronica
LG	42PJ250 .	Screen almost blacked out with dark spots in the corner of the screen caused by r729 open on the y-sus 2.2 homs board. I also replaced the blue ceramic c765, tip from friends sound on the forum. we will help	Causes r729 of 2.2 hms and c765 of 1k for 1kv. na y-sus.	Replace r729 e c765 na y-sus.	<small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
LG	42PG20R	No image, no LED on the ctrl controller board lights up	Changing the ctt board (control board)		Março Joveta