DENON PMA 680R

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Hello All!!!

I could use some help and advice for the above amplifier: The balance knob does not work. When the source direct is enabled, the amplifier works fine. When it is not enabled, the right channel is off. Can anybody tell me what would be the equivalent circuit if I wanted to completely remove it from the pcb? Does anyone have the service manual?

kind regards,
k.
 
Service manual availability

Yia Sou... Kala Xristouyenna!

I looked on eBay and found that there is a current post offering a service manual for what may be a suitable price, mailed from the UK:

Denon PMA 680R Service Manual | eBay


Denon PMA-680R Service Manual


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Item condition:
Brand New
Time left:
24d 00h (Jan 16, 2013 13:33:05 PST)
Quantity:
More than 10 available
Price:
GBP 5.99
Approximately US $9.69
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