Question about Onkyo Audio Players & Recorders

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I have an onkyo R-805x that stopped working and makes a continuous clicking sound and no longer power up. Multiple people have posted this problem here but not info has been given. Is it the power supply or one of the boards?

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Being a hospital electronics repairman (read I repair CT and MRI scanners), I recently had the pleasure of having our R-805x die on us with this exact same problem. I went through a lot of hoops to find the schematics on the system and what it came down to is the logic circuit on the main PC board, not the power board, has a logic control in there that is no longer able to determine the incoming voltage which prevents the system from locking in the relay on the power board. This is the reason for the clicking; the relay on the power module is energizing and de-energizing constantly.

I did not go any further than determining which board was causing the issue because ultimately it's going to cost about the same to repair (with shipping, headaches, man hours, etc) as a replacement system will be. I am currently researching replacment receivers for our MRI suite at this time.

Posted on Oct 06, 2010

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