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Old 9th June 2009, 03:23 AM   #1
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Default Missing some parts from orion 225

I have a orion hcca 225 poptop amp that is missing some transistors does any one have one sitting around they can take a look at and let me know what the numbers are.
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I also have a HCCA225 digital reference with mismatched FETs and some burn diodes and resistors, i cannot see the lans to make bridges or install jumpers. if any one can tell me what the value of the components are here and a basic lay out of the lans.

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Thanks
Sam
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Old 9th June 2009, 05:09 AM   #2
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You may want to use links for photos at this resolution.

Likely for top photo:
Top left, MPSA56 (collector to ground through 10 ohm resistor?)
Bottom left, MPSA56
Right, 2N5639

Bottom photo:
I think all of those are 1N4003 diodes.

http://www.bcae1.com/temp/225dr.zip
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Old 10th June 2009, 01:54 AM   #3
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Quote:
Originally posted by Perry Babin

Top left, MPSA56 (collector to ground through 10 ohm resistor?)
Perry,

I think you were asking me where the collector of that transistor goes, if so yes the top left would have its collector going to ground through a 10R
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