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Repair tips

Make	Model	Problem	Solution	Date

Found: 15
Goodmans	20XRT	No contrast Adj	Check V at pin 6 TDA3562 should vari with Contrast if not check R414 ( 33K ) o/c	14-09-04
Goodmans	CTV20XRT	Contrast weak	TDA3562A pin 6 volts low at 1.3v & doesn't vary - R414 33k o/c	14-09-04

Goodmans	CTV20XRT	Dead	CHECK 2R2 SURGE LIMITER R313	14-09-04
Goodmans	CTV20XRT	Dead	R313 2R2 surge lim o/c	14-09-04
Sony	27XRTU	Dead	CHECK R 822 1K2 LINE DRIVE	14-09-04
Sony	27XRTU	NO SYNC	SAA5230 AND Q002 12v REG	14-09-04
Sony	27XRTU	NO SYNC NO INPUT AT PIN 5 IC501 NO VIDEO OUTPUT AT	SAA5230 US CHECK Q002 12v REG	14-09-04
Sony	KV21XRTU	Dead - no o/p from psu	Check L651 - in some versions substituted with N38 fuse - it could be o/c	14-09-04
Sony	KV21XRTU	Dead with no 135v HT	When LOP stage dis'd HT ok - LOPTx faulty	14-09-04
Sony	KV21XRTU	Field collapse with R802 1R2 o/c	When R802 replaced blew again with arcing from loptx - loptx replaced & D808 which was causing E-W fault	14-09-04
Sony	KV21XRTU	Rope pattern 1/8th inch wide on lh side of screen	Check dressing of cables - keep away from C715 & scan coil plug	14-09-04
Sony	KV21XRTU	Txt faulty - only TV chroma present in TXT	High res conn pin 5 connector D3 (blanking o/p from Txt decoder)	14-09-04
Sony	KV21XRTU	Txt lines at top of pic	C563 3µ3 100v	14-09-04
Sony	KV27XRTU	Convergence errors	Q1504 HAMP driver tr leaky	14-09-04
Sony	KV27XRTU	No sync	No vid I/p to sync sep pin 5 IC501. SAA5230 chip on txt pcb no o/p pin 1 & overheating - Q002 12v reg s/c & SAA5230 faulty	14-09-04

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