Semp TV Repair: Common Faults and Solutions.

Search: Semp
Results: 2824

Semp Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem	Solution	By
SEMP	TV2084	Vertical closed	Q 830 next to the varicap	Replace	celito santo angelo
SEMP	SD7070	Power supply does not start	The power button (micro key), which seemed good to the touch, was broken! Thanks for the forum tip!		alexandre1973
SEMP	2051 NAV U18	TV with +b 65 volt heating horizontal output	I reset the memory and it worked but with vertical blue stripes I just had to change the q906 dtc 123 on the trc board and everything was perfect		luiztvsom
SEMP	U11 U11	Left sidebar	Oscillator pin 30 voltage low	C410 e d 401	Roberto Consertos
SEMP	TV2157BFS LEM7	Vertical closed	D421, d420 and q301 all shorted	Replace them all, they are close to the varicap	jarbas santos
SEMP	TV-1452 U19	Blinking LED and noise at the power supply, with low voltages	C865 lower capacitance	Changing the c865 (103pf) it is connected to the q865	eletrônica fernandes(to)
SEMP	TV1033 U16	Doesn't start	Saida horizontal e c41 9 (47-50v)e c416(100-25v)		welljackson
SEMP	TV20A82E U8	Burning without apparent cause f470 of 500ma	C440 de 6n8/1k6 ou t.s.h.		BRUSKE
SEMP	2081	White image, with sound, screen does not work	Ground flay black pin broken		This email address is being protected from spambots. You need JavaScript enabled to view it.
SEMP TOSHIBA	2077BSU	Turns on and the LED stays on, sometimes it turns on normally but turns off in a few seconds	The solution, as incredible as it may seem, was to change the polyester red filter capacitor (busster), I almost went crazy trying to discover this defect, I thought it was the horizontal output but it wasn't, I replaced everything that was ask until you find that misery.		Rogesson
SEMP TOSHIBA	TV 2999 LEM 7	Running away brightness, does not brighten image, dark image.	1k c902 replacement on tube plate.	I just replaced the c902	Tecnico Jose Adriano
SEMP	TV2082 U7	Just with the LED on?	Just change without measuring the q843		seunem eletronica
SEMP	2982 LEM 9	TV doesn't turn on LED lights up, power supply is low, there's a ticking noise in the traffic......tick	R 878 amended	In my case, the resistor which is 39k 1% was 79k, just replace it and put another one with 39k and run for the hug	Roberto Consertos
SEMP	TV-2084FAV U11	No characters(osd)	Rb20 open resistor vertical period	Replace the 82k resistor.	jean alves
SEMP	TV2095 U15	Threatens to turn on and then turns off, won't turn on again	Defective vertical outlet	Replace the vertical output, and move on to another,	eletronica vieceli
SEMP	2122 U19	LED flashing with a noise at the power supply, sounding like the horizontal output is shorted	Change without measuring c 865 in my case it was measuring 11k the original is 10k it gives this small leak and this defect appears		Roberto Consertos
SEMP	TVC 2090 U13	Tsh is not included in the manuals correctly	I used tsh at 2079 and it worked perfect		leonardo souza costa
SEMP TOSHIBA	TV1022 HAV 13U	Doesn't start	Fuse f740 open	Horizontal output shorted, caused by diode d302 also shorted caused by vertical output also shorted, protective resistor r333 did not open, damaging the diode and horizontal output	CALIXSERVICE
SEMP	TV1450MAV U17	Does not oscillate, q404 horizontal output open collector base, it is good to replace even if it is ok in the test, first check the voltages.	Q404	Replace 2sj6806d	fabiusmax This email address is being protected from spambots. You need JavaScript enabled to view it.
SEMP	TV2084	This TV was just a matter of changing the strw it works at 110v when connecting to 220v the strw burns and even the front part shatters @@@	You have to change the strw and the zener diode that is under the strw heatsink ok	Help yourself leave your tip	EOELETRONICA ARNI- LBERTO LEAL SC