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Old 16th March 2006, 06:38 AM   #1
JDeV is offline JDeV  South Africa
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Default HP6294A info

Need a circuit diagram for this PSU please, also what is a 4JX12A839 ? Got 6 legs , old small tcan ransistor body type.
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Old 20th March 2006, 07:15 PM   #2
anatech is offline anatech  Canada
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Hi JDeV,
I don't know for sure, but it sounds like it's a dual transistor. Used as a diff pair normally (knowing HP, it wouldn't surprise me at all). This should be easy to test.

Get out your DVM with diode test.

-Chris
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