Old Marantz SR8100 taken apart

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A while ago a friend gave me an old (working) Marantz SR8001 receiver. A huge monster. One day it died, don't exactly remember what kind of code it was giving, but a few months later, yesterday, I took it apart. I've found schematics of the machine, and I was wondering.. most of the parts that form this receiver are useless, but some parts must be really useful, like it's enormous toroidal transformer, the power pcb's, capacitors and parhaps the whole power amp section. It's a 7x120watt amplifier.

I've uploaded the service manual, for those interested:

http://mixes.isafeelin.org/download/SR8001.pdf

Anyone can think of ideas what to do with these parts?

Obviously, there is a fault in it somewhere, I have no idea where. But I'm assuming it's something small.
 
Old??? I just replaced the output transistors in a Marantz 2230 that I bought new in 1973!

I guess for receivers it's a different story. This friend of mine tried to sell the SR8001 first, but was astonished he couldn't get a dime for it. It doesn't do DTS-MA etcetc, only 4 HDMI ports, only HDMI 1.2 .. you get it. With stereo amps, this is not the case :)
 
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