Semp TV Repair: Common Faults and Solutions.

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Semp Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem	Solution	By
SEMP TOSHIBA	TV2934-BSL SK91	Making a noise and the image ripples	C607 220mf /450v open this capacitor is in the power supply	Replace and a hug.	toinho eletron
SEMP	TV2090 U14	White screen with 2cm bands on the sides and does not oscillate normally, it seems like the mat is low.	D840 5v6 shorted	Replace the saying whose	ÁdrianChapadãodoCéu
SEMP	1488 U13	TV turns on normally + has a flat screen. does not display video lines. with sound.	The memory (smd) 24c04 was replaced. Since I didn't have one, I adapted a great memory and it worked.		ROBERTO PINTO
SEMP	TV 2121NF	When turning on stand by it turns on and off, nothing reaches the capacity. 220mf by 160vpower supply	Swap str 5453c, look at 5v6 zener near him.		JN ELET. NEVES CE
SEMP	TV 1484	115vdc arrives at the power supply and collector of the s.horiz. but it only turns on the standby, it doesn't generate	Exchange c889 470mf for 35v power supply		JN ELET. NEVES CE
SEMP	2922JFS	TV turns on sometimes it doesn't. stand by turns on and off	Change cover.10 for 50v in front of the power supply regulator		JN ELET. NEVES CE
SEMP	TV2923 LEM 10/FS8	Vertical, shrunken at the top and bottom in the middle, has images with a lack of width	Measure the deflector coil if the test does not give 12 homs or more, remove the vertical coil as the glue has corroded one wire of the coil, ok.		ignacio gomes neto rio verde ms
SEMP	TV 2134B SL-SK-11	When turning on the TV, it lights up stand-by and activates protection	C634 -47ufx160v	Replace	EMERSON RIBEIRO
SEMP	2082 U8	Works normally but turns off after a few minutes.	Ver o zenner d818 13v		Master Eletronica
SEMP	TV 1460E	Vertical closed	Check r 325 24k	After further checks, I replaced it and the problem was resolved	DANGRA ELETRÔNICA SÃO PAULO
SEMP	TV1470E	Does not pick up channels, goes out of frequency, if you heat the coils in the middle of the board with a hairdryer, the image enters	Coil l 151	Replace coil l 151	celito santo angelo
SEMP	LUMINA	Noisy sound normal image	We are not stragglers	Cold welding no video ci	denilsonba
SEMP	2083FAV U11	No image, no characters (white screen) with normal sound	Memory	Swap memory	eletronicavalenca
SEMP TOSHIBA	TV1491JAV U14R	Horizontal burnt out - TV does not oscillate and you hear pops from the horizontal oscillator trying to start	Q404 bu808dfi burnt - shorted	Replace q404-bu808dfi, and c419-47μFx50v. check the hvcc voltage at the emitter of the q430-ktc3209, 9.9v if it has 13v, it has a short circuit and must be replaced.	Hermes
SEMP	TV2082 U7	The TV turns on but the unlit filament tube does not light up.	Fly-back	Replace.	eletrônica vinisom e tv
SEMP	2959JFS /FS8 LEM10	Generates and cuts or disarmed within two seconds turns off.	Turns on and off at the same time		vile
SEMP	TV2051 U18	Blue screen with retrace lines	Crt, several tests were previously carried out on the rgb circuit and nothing was found until the conclusion was reached that it was the crt.	Barter it	HIPERELETRONICA SERVICE(MARCELO)
SEMP	TV2923FS8	Low power supply standby LED lights up but does not turn on	Q852 shorted ta76 431s	Replace zero	JTM eletronica
SEMP	TV2134(B) SL SK11	The LED turned on and the power supply capacitor turned off, it became super charged	C-634 amended	Just replace it and go for the hug	ELETRONICA CAVALCANTE-MARTINOPOLE-CE
SEMP	TV2134 SL-SK11	The LED would light up when the control was activated, it would arm and disarm the relay and then the large capacitor of the power supply would become super charged	330x50v capacitor and 47x160 capacitor, one blown and the other dry	Replacing both can even use a 470x50	ELETRONICA CAVALCANTE MARTINOPOLE-CE