SVS PC-2000

i,

I need some help to solve my issue with this SVS subwoofer amplifier.
It is a Class-D amplifier 500/1100W.

Issue is that it has no signal on output.
I measure No DC on output, so this is ok.
Measured all other DC voltages are also Ok.
LED goes Blue after turning it ON, also ok.
But when i measure what is coming to PIN.1 on AD converter
my multimeter says 2.4VDC but no (AC)signals here when SIG.generator is turned on AT INPUT.
I need some help to investigate it futher or should i just replace AD converter cause it has DC on pin .1 ?

Thanks for helping.
Also hope it can help others with same issue .
 

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