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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	Date

Found: 17
Grundig	CUC2131	No power	R60502 (3M Ohm 2watt) open circuit	14-09-04
NEI	2131	BLANK RASTER WITH SOUND	TDA3653 FIELD OP. IC.	14-09-04

NEI	2131	FIELD COLLAPSE NO FIELD DRIVE	D001 TAA550 33v STABILISER US ( FEEDS REFERENCE INTO TDA8305 )	14-09-04
NEI	2131	Field collapse/ int height & going off tune	D001 TAA550 33v volt stab faulty - (feeds IC100 TDA8305 jungle chip)	14-09-04
NEI	2131	Field lineararity	C407 ( 1 , 500uF ) 50V	14-09-04
NEI	2131	No pic - sound ok	Pin 8 TDA3651A sandcastle pulse low - TDA3653 pin 7 FOP chip was cause - FOP chip faulty	14-09-04
NEI	2131	No sound	Check for D/J on Speaker plug	14-09-04
NEI	2131	Sound No pic	R605 ( 5K6 ) 2Watt	14-09-04
NEI	2131TX	Dead - off with a bang	LOPTr Q600 s/c because C604 1µ 160v was dry jointed, also D604 BA157 s/c, R609 10k burnt up	14-09-04
NEI	2131TX	Int dead	Dry joints L802 in psu - virtually invisible	14-09-04
Sharp	CV2131H	Dead - no line drive	Replace FOP IC X0640CE with equiv. LA7830 & 220mf cap. and the 4.7ohm safety feed res by LOPTx	14-09-04
Sharp	CV2131SC	Dead - led lights briefly at sw on	C723 3µ3 63v bipolar cap	14-09-04
Sharp	CV2131SC	Flyback lines at top of pic	C502 220µ 25v	14-09-04
Sony	BE1 KVM2131	Repeatedly blows LOPTr	dry joints line osc IC551 TDA2579A and possibly C808. Other possibilities dry joints on line driver tx, LOPTx & STR giving an int high o/p	14-09-04
Sony	KVM2131U	Field collapse	µpc1488H	14-09-04
Sony	KVM2131U	No chan store	Dry joint pin 5 IC002 EEPROM	14-09-04
Toshiba	2131DB	No col	CA03 100pf - pin 5 ICA10 micro to chassis leaky	14-09-04

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