Short of finding a KR-9600 specialist, You may want to contact these and see if any gain your confidence:
http://www.oaktreevintage.com/repair_links_outside.htm
http://alexav.com/kenwood-stereo-receiver-repair/
http://stereoadvisor.com/
http://classicsoundrepair.com/
http://www.eliteaudiorepair.com/
http://www.repairaudio.com/service.html
I have a KR-9600 and it is a great vintage receiver. Be careful with the power switch - it is not buffered so it takes the whole AC surge when switched on and is prone to failure. Replacements are unobtainium. Best to use an external device to power the receiver on and off instead of the switch.
Another area of concern is the custom Kenwood Darlington power module. Also unobtainium.
Dave
http://www.oaktreevintage.com/repair_links_outside.htm
http://alexav.com/kenwood-stereo-receiver-repair/
http://stereoadvisor.com/
http://classicsoundrepair.com/
http://www.eliteaudiorepair.com/
http://www.repairaudio.com/service.html
I have a KR-9600 and it is a great vintage receiver. Be careful with the power switch - it is not buffered so it takes the whole AC surge when switched on and is prone to failure. Replacements are unobtainium. Best to use an external device to power the receiver on and off instead of the switch.
Another area of concern is the custom Kenwood Darlington power module. Also unobtainium.
Dave