orion 225r

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on the 2n6488 i get 449 with black (c) and red on ( b) then i get 071 with black on (E) and red on (b)


on 2n6491 494 with black on (B) and red on (c) then 071 with black on (B) red on (E) thats with chips still in board

im sorry but new to this stuff

Thanks Perry
 
typically Orions had no thermal protection internally, so if speaker wires touched while the amp was powered, the amp would blow out the finals, and you'd end up replacing most of the output FETs. I used to service and sell Orion products in the early 90s (when the 225 HCCA was sold in it's 1st through 3rd generation incarnations) and saw a lot of blown ones just like this with the same problem. I even had a wire come loose from a spring compression terminal on a sub box once and kill my own personal 280GX this way. Check those output FETs to see if they're shot. I'm betting they are. They'll be the ones attached to the long metal rails (bars) along the side of the amp, connected to the heatsink fins of the casing.

Hey Perry, glad to see you here, too. I just started peeking in.
 

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