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Repair tips

Make	Model	Problem	Solution	Date

Found: 12
Bush	SWS6671	Dead with ticking	LOPTr BU2508AF s/c & C626 dry joints	14-09-04
Bush	WS6671	Dead with LOPTr s/c - blows when replaced	Replace Q604 BC639 line driver & LOPTr with BU2525AF	14-09-04

Bush	WS6671	E-W problems	2R7 feed res o/c caused by dry joint or o/c C630 390nF 250v	14-09-04
Bush	WS6671	int destroyed the TEA6107A RGB drive chip on Crt tube base panel	arcing CRT socket, the discharge was from the focus anode to ground ring across the spark-gap	14-09-04
Bush	WS6671	Small pic	C630 & R629 27R, also VR601 330R 5w pt no 30001151	14-09-04
Bush	WS6671	Striations	Mod reqd - replace link J500 with 10µH choke (between Q603 & SCART) pt no BUSH608000000021	14-09-04
Bush	WS6671 11AK19	3 RGB test lines only showing	FOP chip TDA8351 & check for dry joints	14-09-04
Bush	WS6671 11AK19	Dead - no LED display	Replace Q802 BUZ91A ( MTP6N60 ) & D823 ( BA157)	14-09-04
Bush	WS6671 11AK19	Lack of width & R629 (2.7ohm) in EW circuit o/c	C630 (560nf) - read OK	14-09-04
Bush	WS6671 11AK19P4	Narrow pic	R629(2R7 1/3 watt fusible) plus DJ on C630.	14-09-04
Bush	WS6671 11AK19P4	Narrow pic	Dry joint/ o/c C630 560n; R629 27R? Safety o/c, L604 reads 3R (correct), Q603 PHF9NQ20T replaced - used BUK444 200A in lieu	14-09-04
Bush	WS6671 11AK19P4	Width excessive	Q603 (9NQ20T or BUK444-200 or MTP6N60E)	14-09-04

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