Lg Repair Tips

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Results: 4875

Make	Model	Symptom	Problem	Solution	By
LG	43UK6520PSA	TV remote control doesn't work	Voltage on IR pin 19 of the P4000 connector unstable, below 3V.	Remove smd cap connected in series with 100r smd res that is connected to pin 19 of the p4000 connector.	Eletrônica JM/Júlio
LG	20MT49DF	Nao liga, sem standy-by	Ceramic capacitor near the power supply connector (c1017 or c1016), after removal the device works normally		Flavio
LG	32LW300C	TV doesn't turn on without STBY.	Defective main board.	Dc dc converter circuit ic400 short, causes c406 and 405 to leak or short, replace them.	RNSPTEC
LG	32LB550B	TV doesn't turn on only on ST BY.	Defective main board.	Audio circuit, c5641 5640 c5620 5621 10μF smd capacitors with leakage or short, killing voltages on the board.	RNSPTEC
LG	32LN540B	Standby LED does not light	Power supply capacitor shorted	Solution c103 100μFx50v	César
LG	50PN5400	No image va and vs ok without 18v	C505 in short plus smd capacitor c483 in short 2.2n	Replaces of the same c505 in short plus smd capacitor c483 in short 2.2n	Eduardo Fonseca
LG	50LB5600	The TV turns off by itself after 22 minutes on average and when you increase the volume the TV goes from few to few digits, it doesn't work..., it was reset, done "instop" and even then the defect manifested itself. recorded eprom and still didn't solve it.	I called LG and opened a technical ticket, I didn't get a response until today, because from the beginning I suspected it was a fault coming from the digital signal sound in my city. But on that day that I called LG, the technician who answered me told me some information that I found interesting, she asked to see the "dtvi interactivity" function in the options menu if it was on or off and it was on.	Continuing, I tested everything possible on the TV with other boards: main board, power supply board, IR board, TCON and the defect continued. Then I discovered that only on the Globo channel the TV had a defect, which confirmed to me a defect in the digital signal coming from the broadcaster, detail, if the interactivity function is turned off, the TV does not show the defect on the Globo...	MIGUELTV
LG	50LB5600	TV turns off by itself after 22 minutes on average, reset, instop and still the defect manifested itself. recorded eprom and still didn't solve it.	I called LG and opened a technical ticket, I didn't get a response until today, because from the beginning I suspected it was a fault coming from the digital signal sound in my city. But on that day that I called LG, the technician who answered me told me some information that I found interesting, she asked to see the "dtvi interactivity" function in the options menu if it was on or off and it was on.		MIGUELTV
LG	42LM3400	The TV arrived, it showed the logo and the black laithe was turned on without anything working.	Electroliquid capacitor c206 10/100, c201 10/100, c202 25/470	Replace the capacitors and run for the hug	MC BOSCA
LG	RP14CB25A	Dark screen and no sound on previously tuned vhf channels	After cleaning with tinner on the welding side, the varicap was normal		Eliel Magno
LG	OM5560	Protect s	.the power supply does not send power to the amplification.	Replace of the 3 pc817 optocouplers of the power supply.	Alessandro Barcelos
LG	RP-21FE85G	Green screen, with retraction lines	Defective tube socket.	Replace tube socket	MARCONES DE ARARIPINA-PE
LG	CJ98	It didn't turn on, 14va varying	Diode d961 shorted, after replacement it started working normally again.		Eletrônica Mirage
LG	42LE4600	The standby switch turns from red to white, does not activate the backlight, has no lvds or audio signals.	Main ci with cracks	Reballing resolvedu.
LG	CM 4350	S-protect	Lack of 12 v	Replace the regulator ic931 kia78r12	Eletronicazetec
LG	50PT250	After a while it was on, the pixis sparkled	I removed the 2.2r resistors and shaved six terminals. I resoldered them and it was great		Cabeça
LG	42LF20FR	It doesn't turn on, and sometimes it turns on and off, the stand by LED doesn't light up	Check main pci reset switch circuit	In my case it was capacitor c812, but it could also be the key, if it shorts out and sends 5v to the other side, thus locking the device	Ademar
LG	42PQ20R	When activating the power, the LED goes from red to blue, the blue LED stays on but the green LED does not sustain it. Tsound is a lack of VA and VS voltage. power supply maintains 5v but hits the relay and disables the rest.	Power supply pcb defect, changed q951(fqpf 9n25c) changed close to the ysus output connector. in this case without defects on ysus, 08/2023.	Hugs
LG	RAD114	Turns on, tsound is no sound.	Strw-6753 short on power line; changed ic901; q904(20v power supply); zener zd911; zd901; pc901 and d901	The above components were replaced; device ok,	Valdecir Schena
LG	42LN5400	Restarting	Cabo	Replace cable that connects the power supply to the main	Brackmann