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Repair tips

Make	Model	Problem	Solution	Date

Found: 6
Sharp	Deco 4 DV5105/DV5107	dead, no PSU output, R705 burnt	IC700 TEA1039 pin 9 leaky to pin 7, R705 3k3 0.5W fusible (RRXZ0242BMZZ), also check D705 1N4148 and Q701 BC635	14-09-04
Sharp	Deco 4 DV5105/DV5107	won't come on from stby when remote is used, green and red LEDs flash. But it would come on Ok when mains switch is used.	R751 0.33R o/c	14-09-04

Sharp	Deco4	MJF18004C chopper tr & TEA1039 chopper chip s/c between pins 9 & chassis	R706 & 710 3R3 safety res o/c - after replacements fitted blew again. T700 chopper tfmr internal short	14-09-04
Sharp	Deco4	stuck in st/by; 5v supply fault	R751 0R33 risen to 1R	14-09-04
Sharp	DECO4 DV5105H	Trips at sw on then comes back on but trips again on chan change	R716 0R22 in psu gone slightly hi	14-09-04
Sharp	DV5107H Deco 4	Dead with 2A mains fuse blown	S/C across chopper Tr was chopper trfmr s/c pins 2, & 6 but when replaced, fuse blew again due to chopper Tr MJF18006 going s/c - also worth replacing TEA1039 chopper chip IC700	14-09-04

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