[time-nuts] HP E3610A Power supply

Brooke Clarke brooke at pacific.net
Thu May 22 19:12:19 UTC 2014

Hi Bert:

My E3617A has a front panel adjustment screw for Over Voltage Protection.
Does the E3610 have that?

Have Fun,

Brooke Clarke

EWKehren at aol.com wrote:
> This may be off topic but I did check with Tom and many time nuts may have
> HP E3610A power supplies on their bench and mine smoked a ublox GPS so that
>   makes it topic related..
> The reference section has some 1 uF 50V capacitors and in my unit one
> shorted. The reference section has fuses on the board but they did not open. The
>   7912 overheated and shorted out,  traces are discolored the op amp  shows
> signs of overheating and burned out. The result was the output went  to 30V+
>   and next morning the ublox chip plastic showed where the chip  smoked. As
> a minimum I recommend replacing the 1 uF capacitors with new quality  caps,
> I also ordered 15 V 5 W zeners and 0.5 A 20 mm glass fuses.
> Bert Kehren
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