Repair tips database, Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics

Repair tips

Make	Model	Problem	Solution	Date

Found: 16
Matsui	2092	Dead - no line drive	D411 9v1 zener in startup s/c	14-09-04
Matsui	2092	Int goes dark	R195 shorting to a jumper - repositioned	14-09-04
Matsui	2092	Pic dark especially on dark parts of pic	TA8867N col decoder/timebase chip	14-09-04
Matsui	2092	Slow start up	R507 1M & R506 820k could be hi res	14-09-04
Matsui	2092	When replacing LOPTx	Check you get exact replacement - several versions available	14-09-04
Matsui	2092	Won't switch fully to st/by	Q504 BF421 & Q503 2SD401 could be s/c	14-09-04
Matsui	2092T	Dead	LINE OUTPUT TRANSFORMER . CHECK TYPE BEFORE ORDERING	14-09-04
Matsui	2092T	Dead	mains fuse o/c due to positor	14-09-04
Matsui	2092T	Dead	St/by HT sw tr Q503 & s/c winding LOPTx	14-09-04
Matsui	2092T	Dead - LOPTr 2SD1555 s/c	Check for dry joints line dr trfmr & if cct prot SOC2000 is o/c	14-09-04

Matsui	2092T	Dead - off with a bang	Positor (black, square type 140M had blown)	14-09-04
Matsui	2092T	Int line foldover	Dry joint T401 line driver tfmr	14-09-04
Matsui	2092T	SLOW START OR DEAD	R507 1M R506 820k	14-09-04
Sharp	C2092	Int blank white screen & dist sound	IC401 IX0118CE which contains clamping cct	14-09-04
Sharp	C2092	No tuning memory & only half a tuning bar	Check pin 7 I1005 - should be 0v in search, if high check I1010 IX0135CE & R1072 33k	14-09-04
Sharp	C2092	Raster - white - sound deterioration.	IC401 ( IX0118CE )	14-09-04

page: 1