Diagram for amplifier KAV 400xi

Hello,
I have got a KRELL KAV-400xi integrated amplifier/series: 17807022638 (used good)… for entertainment.
Now I got a problem in audio, it was burning some Trans.( A1860…,BF722…please see attached).
That why I need diagram or circuit for that!
Could you help me out of this case?

Thank you advance!
Best regard
Lee
P/S: I haven’t enough money to send it to KRELL service
That meaning service manual?
 

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