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Author Topic: Power SUpply  (Read 299 times)
W9DML
Member

Posts: 3




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« on: December 29, 2007, 11:32:21 AM »

Busted Pyramid ps-26KX

Blows a 5A fuse at turn-on.
Is there  any history on this problem ?
 BTW NO LOAD

daVe
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AC5UP
Member

Posts: 3956




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« Reply #1 on: December 29, 2007, 12:01:01 PM »

Shorted rectifier or filter cap most likely. Diode check the pass transistors while you're in there.

Should be an easy fix.
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WA3SKN
Member

Posts: 5555




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« Reply #2 on: December 30, 2007, 09:50:42 AM »

Yep!
Break out the ohmmeter!  Start at the power cord, looking for shorts.  Expect either diodes or capacitors!
Good Luck!

-Mike.
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W9GB
Member

Posts: 2659




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« Reply #3 on: December 31, 2007, 06:32:10 AM »

Start here for DIY
http://www.kbt-dc-supplies.com/fixem1.php

http://www.kbt-dc-supplies.com/info.php

w9gb
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