Dukane 1A4250 - 250 W Amp ?

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Does anyone have, or know where I can find / order a service manual - schematic for a Dukane 1A4250 ?

I have an older Dukane 250 W manual but the schematic for the driver board is different.

I think I just have 2 shorted final transistors - one MJ15022 and one MJ15023 - going to replace all 8 to be safe, but noticed tat I had the wrong schematic when this unit failed.

Thanks in advance everyone..
 
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