"Peter" wrote in message
...
I wonder if anyone is familair with Arista Power Supplies

I have a faulty Arista 13.8Volt 7 amp regulated power supply.
Model number RPS 7138

TIA

Peter
Arista web site (Fremont, CA)
http://www.aristaipc.com/contact_us.htm

Most linear power supplies use a regulator IC (such as LM723) and
pass transistors (NPN: 2N3055, 2N3771) for current handling.

A VOM or DVM can quickly take voltage readings, diagnose components to
resolve.
Need a DIY "How to guide" ? - Check the KBT DC Supplies web site
Menu of knowledge database, reference data sheets, "How TO" on left column
(gray)
http://www.kbt-dc-supplies.com/

g. beat