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Results: 4957

Make	Model	Symptom	Problem	Solution	By
LG	42PJ340	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	42PJ250	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	60PK550	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	50PK550	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	50PK360	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	50PJ550	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	42PJ550	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	50PJ360	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	42PJ360	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	42PJ350	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	50PJ250	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shorted	Gbrito
LG	50PJ350	Turns it on, hits the relay then turns it off	Shorted power supply board	Diodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512	Gbrito
LG	21SA1RL CW81B	The TV takes a while to turn on and when it turns on, black bands appear on the side and a white band at the top of the screen and the + b is at 95v	The cause of the defect is a 4.7 precision resistor in position r844	After changing it, the TV works perfectly again.	AssisTec - Manari-PE
LG	42PQ30R	Audio disappearing	Change without measuring c202 power supply. lack of 17v on the signal board		Laercio umuaramapr
LG	28MT49S-PS	No image, LEDs on, with sound. (It may happen that the LEDs are off too). without the 12v that powers the screen.	After checking that the board was not sending 12v to the screen, I measured the short with the multimeter and found some capacitors that work with the LED driver IC. I soon identified the burnt IC.	Replace IC601 (MP3378R).	World TV - Sorocaba
LG	50PB650B EAX65297201(2.1)	TV turns on with audio and no image	Damaged ysus board	Q554E replace and run for the hug	JORGE ASSISTÊNCIA TÉCNICA COTIA SP
LG	42LC4R EAX37617801	Backlight does not come on, with sound without image	Replace ci u701	When measuring ci pin 4 and 5 it was shorting	Maike Eletronica Sorriso
LG	42LD	Power changes from red to blue but does not turn on,	Reflow "on a whim"		Rodrigo cofferi
LG	CM9730	Exits don't work. without power supply +40 and -40 .	4	Check c934 27n1000v exhausted ; After the replacement, the power supply to the outputs is restored.	Jocimar Pedro
LG	RP20CC25	Activates the AV, but does not produce an image.	Altered 4.7k r512 resistor	Just replace it with another one with good value	Seën store