[Techtoolslist] HP 1650A Logic Analyzer

[Kevin Moore]

Yes all electrolytics are suspect especially the output filter caps.

Kevin
On Mar 5, 2013 1:35 PM, "Jose Luiz Martins" <joseluizmartins at gmail.com>
wrote:


> Hi Folks!

>

> Continuing to put back to life my old test equipment...

>

> I stored my HP 1650A Logic Analyzer in working order about 6 years

> ago. I bought it used - I think it was highly used once the screen has

> signs of burn on it.

>

> Yesterday, when I finished to fix my Fluke 9010A, I've decided to try

> the 1650A and nope...

>

> The power source clicks and the voltages are not correct. 7V instead

> of 12V, 4,5V instead of 5V and oscillating.

>

> I have not experience in PS repair, but someone told me that the

> electrolytic capacitors may be dry due the time it was stored (as well

> as de condition, one it was in Rio de Janeiro, and at summer time, the

> room temperature may be more them 120F)

>

> Could someone confirm that please ?

>

> Thank you very much !

>

>

> JL

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