LG TV Repair: Common Faults and Solutions.

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LG Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem	Solution	By
LG	43UJ6525	Takes time to connect (slow processing) and does not tune channels	Burnt varicap	Tuner/varicap replacement ebl61840501	Tulio Moreira
LG	42LG30R	Standby passes to blue and does not turn on. without 24, 12 and 16v	Rl-101 with open bonnet.		XANDARE
LG	29CC2RL	No audio..	808 capacitor with little capacitance. I also replaced the c 422 (4.7mf x250v), as it was slightly swollen and had low capacitance.		flavio
LG	32PC5RV	Green LED flashes 10x and turns red	Replace r801 remove c804		JOSESOMMAIOR
LG	29FX5CL CW62C	Image closed on the sides 3cm	C314 (4,7x160v)		Cleber
LG	42PJ350	Gives sound. tsound is no image	All panel voltages ok, 15v@18v ok. tcon led off.	With the TV on, I tapped the tcon's ic xd and the image appeared. bga ic xd failure. replace tcon	Emoniz
LG	21FU4RLG	Cushion effect	In my case, I noticed the ci tda8145 was very hot. I changed it and everything was resolved. Attention! It may not always be the problem. It's worth checking the components connected to it as well. Hugs!		D.S.E.Eletronica
LG	773N	Monitor does not turn on and the power LED does not light up. the 5v supply is missing	Change c954 1000µf/10v connected to d942 on pin13 of FB		Mancarra MStronica
LG	42LG60FR LP81A	Hdmi 2 and hdmi 3 have no sound, only image	Identified double burnt diode on hdmi 2 - (d300 - kds184s - b3 mark)	Replace the d300 diode (d300 - kds184s / b3 mark) on the hdmi2, and it was also necessary to rewrite the ic301 and ic303 - 24c02bn memories with the same content of the ic300 which is from the hdmi1 port that was working.	CDS_DIAS
LG	32LD650	TV turns on but with distorted sound,	Resolder all smd transistors and crystals on the main pci		tormes
LG	42PJ350 42PJ350-SA	When turned on, the relay arms and disarms	Ysus shorted. Short identified on the board's fets, possibly caused by dry thermal paste.	Replaced two 30f124 and two 30j124 that were shorted and applied new thermal paste to all components of this board. I also advise you to resolder the power supply board and zsus, as they were already quite bad.	Flavio
LG	42PQ60D	Tsound were times when it turned on normally, when it turned off, the screen didn't light up without sound	After changing several capacitors, I arrived at c139, put a 100uf50v one, the defect was resolved.		Marcelo Rodrigues
LG	42LC2RR 42LC2RR	Sometimes it turns on normally and then it doesn't turn on anymore	Both relays with burnt contacts	Replace the two relays	paulo cesar
LG	21FU6 CW81B	The TV works normally, after a short time it turns on and off by itself.	Pin 24 of the lv76213 3c ci. It is short to change it.		Alexis
LG	42LM3400	No image/with sound	Defect in the tcom capacitor, in the power supply line, opening the fuse.	Removing capacitor c213 from the board was already the solution, but it is recommended to put another one in its place	Sousatec Eletronica
LG	CM4350 0000	Don't read cd	Flat detached from the correct position	Just returns correct location and paste good luck!	Jhone eletronica
LG	49LB5800 47LB5800 55LB5800 50LB5800 60LB5800	Power supply does not arm, without 3.3v from stand by, it does not turn on.	Faulty oscillator not oscillating the primary.	Replace ci smd ic101 - 6a20 of 16 power supply legs	Samuel Silva
LG	32LB530B	Restarting - turns off randomly	In my opinion, it seemed to be the main pci it was the pci: t- with	I replaced the t-com and everything returned to normal.	PC - Anchieta ES
LG	MCT806	Normal sound comes out afterwards	Check if you have the 48v and check the 12v	If you have these two normal voltages, changing the thermal paste is resolved.	Protec Eletronica
LG	21FJ6RB MC059A	When plugged into the socket, the LED comes on and turns off as if it were about to start, the relay hits and the TV doesn't turn on; o +b normal 115v	9v regulator voltage (ic804) oscillating. I found c850 shorted.	I just went to replace it and the TV turned on	J.S ELETRONICA (Nilsinho Rodrigues)