DIYbanter - Sony A/V home receiver model:STR-AV1020

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March 7th 07 03:05 AM

Sony A/V home receiver model:STR-AV1020

Sony A/V home receiver model:STR-AV1020,year: 1990 (guess),one of the
back channels is not working and I found Q801=NTE382 & R802 to be
defective,anyone have any common repair tips?.Thanks.

Sidney
E-mail:sidneybek(at)yahoo.com
Dartmouth,Nova Scotia
canada

Jumpster Jiver

March 14th 07 10:04 PM

Sony A/V home receiver model:STR-AV1020

wrote:
Sony A/V home receiver model:STR-AV1020,year: 1990 (guess),one of the
back channels is not working and I found Q801=NTE382 & R802 to be
defective,anyone have any common repair tips?.Thanks.

Sidney
E-mail:sidneybek(at)yahoo.com
Dartmouth,Nova Scotia
canada

I would check the whole circuiut for cold solder/loose connections,
check ESR of as many caps as possible, look for any more open resistors
or bad semiconductors, be especially wary of any solder joint that
appears to have overheated.
Replace the defective components and best of luck.
DO NOT connect your speakers until you are sure the unit is working
properly with no DC on the speaker connectors or you could fry your
speakers.

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