Lg Repair Tips

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Results: 4929

Make	Model	Symptom	Problem	Solution	By
TV LCD LG	42LC4R	Doesn't work.	Scheme http://www.4shared.com/document/9-jefbqq/lg_42lc4r-md.htm	Device resolved.parts replaced: u502 ice 3b1565j burst zd501 3v6 shorted r508 2r2 open secondary capacitors starting to swell, they were replaced.	BF.COLATNO
TV LG	29FS4RL	This TV has +b high, 139v and it was supposed to have +- 126v, pins 4 and 6 of the vert output have +18, -18 confirming high fan; already check the primary power supply is normal 295v, and there is also a small stretch of the image hiding the broadcaster symbol	It was q830=431 that switches the power supply and it was bad.		BF.COLATINO
TV LG	29FS4RL	Cushion effect defect	The ci01 didn't appear to be cold soldered and that's when I made a mistake, I decided to resolder it and it ended up fine		BF.COLATNO
TV LG	21FJ6RB	This TV wouldn't turn on or even turn on standby.	Cause=ci 801 strw 6753.	Replaced and resolved.	BF.COLATNO
TV,LG 29	RP29FA35A	Closing vertical, retrace lines on the top screen	Cold soldering in the circuit	Resoldering of all the capacitors in the vertical circuit solved my problem, thanks for the tip	jesus
LG	L1753TS	Doesn't start	Altered zener diode zd101 (3.3v) (very high leakage) and power supply capacitors. after replacement, monitor ok!		jrosivan
LG 29	RP29FA35A		Resoldering of all the capacitors in the vertical circuit solved my problem, thanks for the tip
TV LG	21FX5RL/LD MC 059A	When it turns on, it is vertically closed and at the same time it turns off, returning to stand-by, keeping pressing the channel button to keep it on and you see vertically closed.	47k r313 changed line 9v, ic301 - la78040n vertical changed.	Also c308 of 47μF - 16v, r420 of 240k, r408 of 75k	This email address is being protected from spambots. You need JavaScript enabled to view it.
TV LG	20K42	Screen is dark, even with the screen adjustment open. After a few minutes it normalizes, sometimes it works well, but sometimes it goes dark again.	As I usually do on TVs over 4 years old, I resoldered the kinescope board, ci on the RGB, Y pins and the terminals of the wire that comes out of the motherboard (RGB) for the kinescope board		BF.COLATINO
LG	29FS4RLG 29FS4RLG	Heats horizontal outlet until it burns	Zd402 zener diode is shorted or leaking	Replace with 12v x 1w - also replace c402 (electrolytic 4.7mf)	ruberval5
TV LG	RP20CC95	Tv burning horizontal	Capacitor c 409 of 2.2 uf 160 volts, when changed it changes the frequency of the horizontal, making it not last more than 15 days		BF.COLATINO
TV LG	CP29C85	Defect: disarms	Solution :r437 - 48 k open		BF.COLATINO
LG	RP20CC97	Horizontal output shorted and fr403 open, after changing them it returns to burning.	Short fly-back, case resolved, but with dark screen without sound. ci501 broken.		SENPRETOR
LG	32LH20R	Nothing, power LED OFF	R501 2R2/2W		Bruske
LG	42LG30R	Nothing, power LED OFF	Q602 shorted, replace		Bruske
LG	21FU4RLG	Image closing, warping on the sides	D407 and c406 in the horizontal circuit, it keeps heating up ci tda8145	Replace them	This email address is being protected from spambots. You need JavaScript enabled to view it., jaicós PI
LG	RP20CB20A	Dead	F806 cold welding		Eletroclaudio Aguas Belas PE
LG	DVD DK140	Does not open the drawer from the front panel and stops after rotating the disc a little.	Touch key.	Changing the four license plate keys.	NILTON-AVARÉ-SP
LG	CP14B85	TV turns on at times, doesn't turn on at times	Cold solder on the FB801 very close to the ic 803 str f6654	Resoldered and everything resolved.	A&V
LG	RP-29FE80	Inoperative and blowing fuse	Supply regulator strx6756	Replace	Eletroclaudio Aguas Belas PE