Orion HCCA 250r diagram of BJT's, FETs, and rectifiers - diyAudio
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Old 6th August 2011, 05:26 PM   #1
ash4kel is offline ash4kel  United States
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Join Date: Mar 2011
Default Orion HCCA 250r diagram of BJT's, FETs, and rectifiers

I have an Orion hcca 250r that I have been working on. I actually had it working but then decided to replace all the BJT's to make sure it would be consistent. Since I have done this I now blow fuses as soon as I put in the fuse. I need to make sure that I didn't screw up and possibly transpose the rectifiers or put something where they shouldn't be. A close up of both side would be great. Thanks. Scott
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Old 6th August 2011, 08:11 PM   #2
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Join Date: Nov 2003
Location: Louisiana
The amp has the 6491s near the RCA end of the board. There are 5, then 5 6488s then 5 6491s then 5 6488s.

The other side is all power supply FETs.

The rectifiers are under the board.
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