NAD 3130 right channel problem

[Lynyrd]

Hello.
NAD 3130 integrated amplifier.
Right channel of power amp is dead.
Pre amp 2 channels work fine with headphones
All 4 fuses Ok.
No bad contact,no bad soldering.
Thank you.

SM

NAD 3130 SERVICE MANUAL Pdf Download | ManualsLib

 

[rayma]

Output DC offset?

 

[Lynyrd]

Its solved.
Micro crack on the power amplifier PCB.
Thank you.