[time-nuts] KS-24361 Power Module Repair

Dan Rae danrae at verizon.net
Sat Apr 11 11:18:09 EDT 2015


On 4/10/2015 4:27 PM, Bob Stewart wrote:
> This is just a brief report, not a how-to.
>
> I got a KS_24361 with a bad Lucent power module.
Thanks a lot for that report Bob, I had no idea that it was possible to 
un-encapsulate those and get at the insides.  I have one here that came 
to me dead, and I knew it had a shorted tantalum on the -15V output 
since I could see that from resistance checks.  Chuck's tip about using 
an oven came too late for me, but after quite a struggle I opened mine 
up last night and found the culprit cap.  No visible damage to it since 
the short must have shut the supply down.

It now does power up and time will tell if I eventually get a green 
light :^)

Dan - ac6ao





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