Question about Sony TA-N9000ES 5-Channel Amplifier

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Sony TA-N9000ES Flash light when turn on.

My Sony TA-N9000ES 5 channel Power Amplifier is down, when turn on the amp, there is no click sound and the red light is flashing continuously. I've contacted Sony service and it indicated that the unit is no longer in warranty. To have it services, I have to ship out the unit to TX. If some one could point out for me a problem or help me to locate a service place in the northern CA.

Thank you so much..

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  • keeleyg May 09, 2009

    When I turn the amp on the light flashes. Doesn't matter whether there are any cables connected or not.

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An amp of this size generates alot of heat internally when in use as these use mosfet ICs and can get very hot.
your problem is most definately dry solder joints and possibly quite a few at that.
i've repaired quite a few sony surround receivers with similar problems and have all been down to dry solder joints.

hope this helps.

Posted on Jul 02, 2010

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I have a Sony power amp TA-N9000es there is no sound do you need a remote or is there a volume control inside the case. Have tried every input every speaker connect there is just no sound. what can i do...


It's just a big amp with no controls you would change during normal operation. There's no remote. You don't name any source or if you even HAVE one attached. THAT would be a good place to look for missing sound.

Register and download the manual for free audio.manualsonline.com

http://audio.manualsonline.com/manuals/mfg/sony/sony_ta_tan9000es.html

http://dl.owneriq.net/f/fede44fb-b9ba-4e03-87bb-d0f3e29e22ef.pdf

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hi,
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ok

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Hi...
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1 Answer

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Hi and welcome to the site,

Initially, on a completely dead Sony TA-N9000ES, primary suspects to be checked would be:
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The flashing light is indicating that a fault has been detected, and it is staying in "protect mode". First disconnect all cables from the processor (except the power cord) and then power up the processor. This will eliminate the possibility of a shorted cable or a problem with any connected components. f the light still flashes, there is an internal problem and the processor will require profesional service.  

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