Lg Repair Tips

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Results: 4963

Make	Model	Symptom	Problem	Solution	By
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
LG	21FJ6RB	Black bar at the bottom + or- three fingers	R-305 amended	Replace it for another like it	ELETRÔNICA CAVALCANTE
LG	21FJ6RB	When plugging it into the socket, the LED was on but it didn't turn on either with the control or the keyboard	C-11 - c12 and the crystal both next to the micro	Replace it for another like it	ELETRÔNICA CAVALCANTE
LG	29K30 MC-022	TV turned on with retraction lines and turned off I found the capacitor on the 220v line swollen in the rear, it's the others on the line didn't solve it	Tda6107jf	Tda6107jf	ELETRÔNICA MUNIZ
LG	26LG30R	Turns on, with audio, screen lit brightly and without characters. changes channels but no image.	Tcom without power supply.	Replace double mosfet si4925bdy behind the tcom jack.	BICHARA
LG	LG26LG30R	Does not turn on, red LED flashes blue twice	Supply missing 12volts and 24 volts low	Replace transistor stn 2222 (replacement bc 639. invert the cbe and ebc terminals)	BICHARA
LG	CM4330 EAX64991501	Sometimes it turns on, sometimes it doesn't.	6v2 zener diode, position zd902 and 6.8nano polyester capacitor position c908, changed.	Swap 6v2 for 8v2/1w and 6.8nano for 10n/50v and that's it...	LUCIANO ALQUEJA
LG	42LG50D	Doesn't start	Fet q601 with leak, fb601 open, tv already turned on, but pfc wouldn't bend, ci u601 defective.	Replace these parts and the TV was ok	Maurilio
LG	21FU4RL	Power supply low TV does not oscillate secondary 85v	R844 of 4k7 measuring 6k2	Replace 844 4k7	JUNIOR
LG	MCT704	So no standby (relogio), sem audio	It only arrived on standby, it was a CD2 touch key, then it turned on normally but tsound was no audio	I tried everything to solve the audio problem but without success, tsound was no =65v or -65v for sound output, the only solution was to place a 33k resistor between pins 3 and 4 of the pc901 photocoupler and another on the pc902, the voltages returned +65v and -65v and sound working normally, it was the only way...	Gleyton
LG	42PJ350 PD01A	It turns on and then goes back to standby and doesn't turn on again until you unplug it.	It was verified that q605 did not release 12v for the doubler and the ic l6599. photo 103, responsible for switching this transistor, was changed.		joaomvjr
LG	29FU6TL	Change channels, adjust the volume, but with the screen completely dark. normal scrim voltage. Acting on the screw potentiometer quickly, a slight glow appears and goes out. with the normal vertical (open).	Vertical ci defective ic301 (stv9326 ) and open fr401 0.05 homs.		Ademir tc
LG	CM-8350	No audio	Fotoacoplador pc902	Replace the same	riva ferrari