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Denon receiver If it's the preamp how do I remedy?

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Well I do not know how is on your model, usually it is all on the same mainboard. if its transistors you change the transistors , or there may be a thermic swithch that turn system off.
You should also consider that may be a fault on some of the control chipset.
A problem of this kind won't be an easy DIY unless you have a good background.
I do not have diagrams or schematics for your model, If I find some, I will send them tomorrow.


Leave your denon unplugged overnight, place it away from other devices, until you fix the problem.

Give me your location if you also need directions for local service support.

I will post back tomorrow

Posted on Apr 05, 2008

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1 Answer

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Hi
you can choose any input on the Denon and select it from the front panel
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Thats it.
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Power button turns green, flashes and then turns red and flashes.


Hi,
While working it stops and flashes red approximately 2 seconds interval

Causes
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Remedy
Switch off the power supply and power on after the temperature have reduced.


While working it stops and flashes red approximately 0.5 seconds interval

Causes
1.Using speakers having less impedance than the specified.
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Thank You

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Shuts off after only a couple of sec.


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If you are savy in the world of electronics... Most likely you have a bad cap or preamp circuits that are overdriving the amp supply.

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A sound spike should not heat up the unit enough to shut it down. There is another problem. What is the time frame for the shutdown? Is it only after the unit has been running for a while?
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