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Results: 4929

Make	Model	Symptom	Problem	Solution	By
LG	21FJ6RB	No contrast	Diode (d 502) shorted		Bruno Nicacio This email address is being protected from spambots. You need JavaScript enabled to view it.
LG	CP29C85	Outlining t. horizontal	Which one due to	Solution
LG	29CC2RL	Dark screen, there is sound, filament does not light up, 200v voltage only has 100v, horizontal output boils	Flay back		lord
LG	CP-21Q24A MC-83C	Washed image, no contrast	Does not act contrast	R547 and it can also be a defect in other components of the app	johnny busnadiego
LG	RP 20CC25	Part and short	Horizontal output q 402 (tt 2170)l short, I replaced it and the problem continued	After checking the normal power supply, I found fr 403 open, it is on the +b line, I replaced the TV, it was ok	george pontes
LG	FLATRON-W1934	When turned on, the screen turns on but then turns off: this LCD was turning on but after about 2 to 5 seconds it turned off leaving the screen completely black	When it was turned on while the lights were on, you could hear a low, high-frequency hiss, as if something was sparking, at first I thought it was the power supply, but when I put my ear close to the plate I realized it wasn't from the The power supply of this hissing was from the end of one of the lamps, so I disassembled and checked this lamp, which had an oxidized wire right after soldering its terminal, I removed the oxidized part, I redid the solder on the lamp terminal and the LCD started working normally again. .		This email address is being protected from spambots. You need JavaScript enabled to view it.
LG	RP-20CC20	Cutting out the sound	Cold welds	Resolder saida de som e ic804 (12v)	MB ELETRONICA
LG	RP 20CC97	TV generates high voltage and cuts out.	R815 100k open		Daniel
LG	14CB25A	Does not turn on, if you enlarge the screen, it appears closing horizontally	If fr501 has approximately 90v, replace photocoupler.		MB ELETRONICA
LG	CP15Q90A	Does not turn on, after changing the power supply s.h transistor it drops when the pw key is pressed	In addition to the s.h. transistor. the s.h. transformer can be used bu1508dx. Even though I tested it with the fly tester and it said it was good, it also had to be changed		Bruske
LG	RP-29FA30	Turns off, gets a red screen, doesn't enter channels	Dz11e dz12	Replace without measuring	CARLOS.AFRO
LG	L1550S	When turning on, the image flashes and then goes dark.	Fault in c202, located on the power supply board.	Replace c202 with a 470µf x 35v capacitor (or greater than 35v).	Dark Fox
LG	L1550S	When turning on, the image flashes and becomes dark	Breakdown in c202		Dark Fox
LG	RP29CC90	Defect: 4 scratch at the top of the image	Cause: memory error	Rewrite eeprom	klein
LG	42SL90QD 47SL90QD	Sometimes it doesn't turn on or off and other times the volume bar appears and the keyboard becomes inoperative.	Keyboard cable pinched by the cover.	Changing the thread path so that the thread does not crush when closing the product. lg bulletin 0424.0
LG	CP-14B85	When trying to activate, it returns to st.by.	TV. It had +b on pin 3, but it armed protection.	Checking voltages, the 12v power supply ~did not fix in the reg. ic 804, however the cause was the vertical output ci la7833 which took this voltage to ground due to the internal short.	ELETRONICA ESTUDIER- CANOAS RS
LG	42LG30R	Sometimes it turns on and sometimes it doesn't turn on	R128	Put 18k or 20k	luiz melo
LG	RP-14/20CB25A	The LED lights up, the relay turns on and doesn't work. It has 110v, it has 10v but it doesn't have 9v.	I know it's a bit rare for a shorted electrolytic capacitor but, in my life as an electronics specialist (35 years), it must be the 2nd one I've found to have a shorted.	Replace the 470/16v c850 and good luck! success to all.	pernambucano
LG	RP20CB20A	Very dull brightness without contrast	Check d501 d502 with leak replace it with 1n4148 and that's it		ELETRONICA COLOR TEC - MAUÁ SP
LG	FLATRON EZ T730SH	Screen completely dark (black), monitor has a mat, triggers the relay normally but nothing appears on the screen.	R450 de 120k		This email address is being protected from spambots. You need JavaScript enabled to view it.