Denon AVR-X3600H No main zone sound

FuzzyOwl

New Member
Hi, I have a Denon AVR-X3600H I'm trying to repair. I have no electronics repair experience but I have a multimeter, soldering iron, service manual and a will to fix it manual link (https://device.report/m/d5de8c00e6176bdc778ad456784d56fce173a068835643bf6b7324f63147aba9.pdf)

Everything seems to work except for no sound even through the pre outs. However I will get sound using Zone 2
height 2 amp and pre outs. I get extremely quite sound through main zone L R if I use the phono input (only with the phono input)

Looking at page 24 in the service manual the phono input has an extra pre amplifier circuit and because I was getting faint sound through that input I was thinking it was the op amps I replaced the main left right channel op amps (NJM8080G) however that didn't fix it.

I'm at a loss for what it could be, Any ideas?

Thanks in advanced
 
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