Lg Repair Tips

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Results: 4875

Make	Model	Symptom	Problem	Solution	By
LG	RP29FA35A	White screen with retrace lines	Tda6109jf shorted (on the tube plate).		TYKO
LG	29FS4R-LG	When turning on the TV, the +b goes to 70v and drops to 20v pulsing.	R801 (changed to 100k), from pin 5 of ic810 to ground.	To replace. a big hug!	pernambucano
LG	RP-20CB20A	Dark image without brightness the osd appears normal only the image is dark	D502 open abl line can put 1n4148 works	Replace d502 I put 1n4148 it was beautiful	beto2828
LG	21FJ6RB	Low supply +or-82volts/led lights up presses power gun relay but doesn't turn on, checking almost everything	Ci 501 (lg631 9r)	I had already checked almost everything, lots of tips on the websites and nothing, I just had to replace the ci 501 and the TV started working normally again!	xande
LG	20CB25A	Vertical varying closing opening	C.544 shorted	Replace the same and go out for the hug	eletronica dimencional
LG	RP-21FE85G	Normal league, with sound + no image	I found the screen missing. I released the screen cable that comes from the flyback + there was no tension.	The flyback was replaced and as a precaution; I replaced the focus unit and gave it a "nudge", with the TV on, with the screen cable on top of its connection and it worked.	ROBERTO PORTEL
LG	MONITOR FLATRON L1753T-BF	Turns on and after 10 minutes it loses image	Wear of the electrolytic capacitors of the internal power supply, due to excessive quality or temperature	Remove all capacitors from the power supply line and replace with similar ones, (even if the capacimeter shows that they are usable)	bynelsinho
LG	29FE8RL CW-62A	Turns off after a while	Defect in protection +b	R 843 220k open or replaced	ALEX/FETTER
LG	21FJ8RL	Horizontal output, 2sc6090 shorted. put another one, it burns instantly.	18kx2kv capacitor c414 without capacitance. Replaced it, solved the problem.		nachbar
LG	29FU6TL	Small image +- 20" size,	Capacitor polyester c-463 18n		CACER
LG	29FS4RL	Power supply oscillates and turns off, there is no +b	Ic 802 photo coupler shorted. Was it worth the tip?		SIGNAL ELETRONIC
LG	20CD2R	No audio	Electrolytic capacitor c611(47x25) was shorted, replaced and returned to normal		Valmir Gold Eletronica Ubatã-BA
LG	RP-29CC90	Reduced frame on the sides.	D401 with one of the internal diodes open. This component is connected to the horizontal output collector and pin 1 of the flyback.		Altevirlima_Valparaiso Eletrônica_Ananindeua_PA
LG	CP 15Q90	Black screen (increasing screen = white screen), with sound.	J83 open (fusistor), 12v line, and shorted diode, kills 12v d202 (no 5v from seletronic)		Mauriílio
LG	RP20CC20 ?	Inoperative;reg ic804(ka78r12) had 14v at the input + Ñ had 12v at the output.	Q13(c945c) with leakage, did not supply 5v to excite the reg ic 804(ka78r12)	After replacing the q13 (c945c), the TV was ok.	CLAYTON
LG	RP-20CB25A	Normal image for 20m then reduces the frame	Photo-coupler		carlinhos100
LG	21FJ6RB-LD MC-059A	No contrast abl line	Exchange the d502 1n4148		FERNANDO
LG	RP 14CB25A	High power supply above 150v and cuts out.	See photo coupler resistors, in my case it was r816	Ps. This circuit does not use 110v	Master Eletronica
LG	LG60PS80	Turns on and then turns off	Ic 251 with defeiro. check the 12v line if it has 9v or 9.9v replace this ic	Undo the connections on the power supply board and turn on standby on with shorted relay stanby so that the power supply can operate and check this voltage	ELETRO CENTER
LG	P20CB62	The sound was low with 30% gain even at maximum volume	Msp3425g according to b8 vz	After placing another one with the sound it was normal, reaching the maximum power in the speakers	JOSÉ GUSMÃO