Question about Harman Kardon AVR 7000

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Shuts down after 4-5 seconds

I have the above symptom. When the unit is in stand-by, and I atempt to turn it on, The display will light up for 4-5 sec. and then the unit switches off again (rigt after the second relay-click). I think I have Isolated the root cause to be in the display-board, as I still have the issue if the only connected boards are the supply-board and the front board. The second the display is lit, I have full response from the display, so I hope it is not a CPU issue, but then I am somewhat stuck. Any hints are appreciated. /Kaare

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Re: Shuts down after 4-5 seconds

I have a harmon kardon play all channels in analog but digital i/o only ger frt. lft. channel. i read from soime people the cap. on the dsp.under 47uf remain open change all the caps. on dsp should fix problem .I havnt had time yet 4 me to do it. please respond. those unit have many problems.I'm stuck wit 1 also .rating please

Posted on Feb 09, 2008

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Re: Shuts down after 4-5 seconds

Your set does not have a display problem I'm afraid. The unit is shutting down because it is going into whats called the protect mode. You said that when you disconnect something the display stays on. That tells you that the audio amp is probably what you disconnected so the receiver does not see a short anywhere. You will need to have the output circuit diagnosed for this to work. Good Luck

Posted on Jul 30, 2007

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