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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	DV6603	LOSS OF COL PHASE , WHITE PIC , OR NO RASTER	IC1411 NVM Sharp CH-IX1409CJH7	plamensl	14-09-2004
Sharp	DV6632	Dead - when sw on from st/by led goes green for 5 secs then reverts to red	processor IC800 MC44002	plamensl	14-09-2004
Sharp	DV6632	INT BLOWING LINE O/P TRANSISTOR OR INT LINE COLLAPSE	CHECK FOR DRY JOINTS ON SCAN PCB ON CRT	plamensl	14-09-2004
Sharp	DV6632H	Dead - chopper tr 2SD1546 s/c	Check dry joints in psu esp on Q603 & R710 100k 2w hi res & IC700 MC446022P2 shorted	plamensl	14-09-2004
Sharp	DV6632H	FB lines at top (R,G,B) & shaking pic with pulling	C506 100µ 65v, C623 4µ7 100v	plamensl	14-09-2004
Sharp	DV6632H	Ragged verts & E/W dist	C623 4µ7 63v in E/W cct by Q603	plamensl	14-09-2004
Sharp	DV6632H	Shuts down completely aft Red then green LED briefly lit	Field o/p chip TDA8170 & R645 1R 1w - check 3x100µ caps behind fop chip	plamensl	14-09-2004
Sharp	DV6632H	Tripping	Dry joints scan coil plug & leaky LOPTr BU508AF	plamensl	14-09-2004
Sharp	DW100 66FW53H	Dead - usually IC705 opto is to blame - Pt. No. RH-FX0106BMZZ	changed to RH-FX0110BMZZ - When the opto fails it usually takes out the line output transistor(BUH515) and the feed resistor to the line o/p stage 1R2W resistor. You need to add a 145v avalanches diode to the circuit on the print side directly beneath C720(H.T. reservoir cap) which also will need to be replaced.	plamensl	14-09-2004
Sharp	Euro DS	dead low, varying ht 10-50v	ht pot int	plamensl	14-09-2004
Sharp	Euro DS1	blue screen only	supply to IC250 pin 7 missing - C257 33µ 16v s/c & D250 2v1 zener o/c	plamensl	14-09-2004
Sharp	Euro DS1	off with faint whistling	lopt	plamensl	14-09-2004
Sharp	EURO-DS	field collapse	IC1402 NVM3060 can be corrupted - check location 7A should be 00	plamensl	14-09-2004
Sharp	EURO-DS	off - no st/by	C707 22µ 50v	plamensl	14-09-2004
Sharp	S3B	flickering pic	BY299 D713 high fwd res	plamensl	14-09-2004
Sharp	S3B	low contrast with flashes	BF421 tr on crt base (auto grey scale)	plamensl	14-09-2004
Sharp	S3B	no pic - rushing noise from spkr	9.5v supply missing - R745 0R33 o/c	plamensl	14-09-2004
Sharp	S3B	Q603 lop tr 2SD1554 s/c	evidence of overheating - check drive wfm - if low change D601, 603 & 607 1N4004	plamensl	14-09-2004
Sharp	S3B DV5131H	coloured lines on top	C712 100uF 35V	plamensl	14-09-2004
Sharp	SV2142ED	Hi HT at 250v (115v)	Crack in print by pins 1 & 4 of STRD5441	plamensl	14-09-2004

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