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Old 11-10-2015, 09:06 AM   #3
Senior Member
Join Date: Nov 2009
Posts: 197
Default Re: Cisco pix 506 fw psu

Thanks for the advice !!

The diodes show 470 and 778 values on the diode test. The regulators (the ones attached to the heatsink) show values between 400 - 650 when you measure the leads, but one of them shows 600 on one leg and beeps (short) on the other leg - which to me (since I'm an total amateur) is not a good sound. But I believe that removing the parts and measuring them outside the circuit is more reliable, thus will remove them and measure.

Should I continue replacing the C4 cap if this has been discovered?
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