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Harmon Kardon AVR320 won't complete poer up

 
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B3



Joined: 03 Aug 2009
Posts: 1

PostPosted: Mon Aug 03, 2009 11:14 pm    Post subject: Harmon Kardon AVR320 won't complete poer up Reply with quote

HK AVR320 will not turn on when system power control button is pressed. Main power switch is on and amber light surrounding the system power control button turns to green for a brief moment along with main information display but refuses to power up after 1-3seconds. Then turns off. Problem is intermittant but is getting worse.

Any thoughts about where to start?

Many thanks!
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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA

PostPosted: Tue Aug 04, 2009 4:44 am    Post subject: Reply with quote

There are many possibilities; could be anything from a bad connection, missing or buckling a supply line or bad filter capacitor(s).
Tried any of the basics such as visual check & /or pressing against the board/connector(s)?
Any experience? Any test equipment?.
While it may in fact be a simple problem, working on an audio piece is best left to someone with at least some experience.
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minnie-me



Joined: 15 Oct 2008
Posts: 17
Location: Mississauga

PostPosted: Thu Aug 13, 2009 7:05 pm    Post subject: AVR 320 Reply with quote

When it powers off by itself, does it go into standby mode or do all the lights go out?
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