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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

Make	Model	Problem	Solution	Added	Date

Found: 711
Sharp	DV1512 Euro DS1	Dead - chopper tr s/c	Fit official Sharp repair kit 27510PK - WVE	plamensl	14-09-2004
Sharp	DV1600	Blank white small raster	LOPTx - expensive	plamensl	14-09-2004
Sharp	DV1600	Int trip esp on bright pic	Dry joints 2SD869 LOPTr	plamensl	14-09-2004
Sharp	DV1600	Small white raster	Lopt ( expensive !! )	plamensl	14-09-2004
Sharp	DV1600	St/by only	C715 10µ 100v in psu	plamensl	14-09-2004
Sharp	DV1600	St/by only	C715 10µ 100v; C720 1µ 100v	plamensl	14-09-2004
Sharp	DV1600	St/by only	Dry joints chopper tfmr; C710 33µ 16v bi-polar	plamensl	14-09-2004
Sharp	DV1600	Standby - mode.	DJ at LOP transistor fixing screw and print.	plamensl	14-09-2004
Sharp	DV1620	st/by only - no line drive	No supply to line osc chip - D607 dry joints - feeds 12v reg	plamensl	14-09-2004
Sharp	DV3705H	NO OPERATION	NVM CORUPT , REPLACE D710 WITH NEW TYPE DIODE , D710 - 1N4937 Sharp- RHDX0507BMZZ , CAPACITOR 10nF 50v - VCKZPA1HF103Z	plamensl	14-09-2004
Sharp	DV3730H	CRT CHANGE / COIL COMPATABILITY	EARLY CRT VB34JLN61X/*S EARLY COIL RCILH0037PEZZ LATE CRT VB370BVBK1U-3 LATE COIL RCILH0057PEZZ	plamensl	14-09-2004
Sharp	DV3750	Dead - burnt out safety res R728	Replaced R728 3k3 ?w caused by D707 - pin 7 loptx	plamensl	14-09-2004
Sharp	DV3750H	Blank raster, virtually no pic/sound at sw on - int	Aft chan change no sound/pic, caused by corrupt NVM IC1002 24C02; replace with empty memchip & set up customer & service mode settings - usually caused by noisy 5v line; - replace D710 by 1N4937 - increase the value of C7145 to 2200uF/16V - add a 10nF/50V ceramic capacitor from pin 10 of IC1001 to ground - add a 10nF/50V ceramic capacitor from pin 39 of IC1001 and ground - fit a 8,2V zener diode between pins 4 and 5 of IC1002 (anode to pin 4) - fit a 8,2V zener diode between pins 3 and 6 of IC1002 (anode to pin 3)	plamensl	14-09-2004
Sharp	DV3750H	CHANGING SDA20561 - ( A528 ) TO SDA20561- ( A535 )	CHANGE BOTH IC 1001 AND IC1OO2 IC1001 Sharp RH-IX1492BMN2 IC1002 Sharp CH-IX1463CJH6	plamensl	14-09-2004
Sharp	DV3750H	Service mode entering	connect a jumper wire between terminals 2 and 6 of the service slot on the video PWB - press the MODE button on remote - SERV will appear on the screen - remove the jumper wire - use channel up/down to move between the options - use volume control buttons to change the data - use the standby button on remote to store settings - turn the set OFF with mains to exit service mode	plamensl	14-09-2004
Sharp	DV3751	No AFC	Check R214 for damage - by tuner	plamensl	14-09-2004
Sharp	DV3751	No AFC - poor tuning	R214 sometimes gets damaged if set dropped or if rear cover not put on correctly	plamensl	14-09-2004
Sharp	DV3751	NO TEXT - AND NO CLOCK FUNCTION	CHECK LOCATION 21 IN NVM ( LINK PINS 2-6 EDGE CONNECTOR PRESS MODE , REMOVE LINK. )	plamensl	14-09-2004
Sharp	DV3751 DV5131H	CHANGING MICRO	WHEN CHANGING MICRO REPLACE NVM ALSO IC1001 SDA20561- ( A535 ) RH-IX1492BMN2 IC1002 NVM Sharp CH-IX1463CJH7	plamensl	14-09-2004
Sharp	DV3751H	BLANK VIDEO FIELD LINES ACROSS	REPLACE MICRO AND MEMORY Sharp CHIX1463CJ7 Sharp RHIX1492BMN2	plamensl	14-09-2004

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