[time-nuts] Power up problem on Agilent E4420B

[Magnus Danielson]

Hi Paul!

Thanks! I was not able to locate that one. It will help for sure. I
could not locate diagnostic for my problem directly, but I will look closer.

I may have to pop the hood and check voltages.

Cheers,
Magnus

On 2021-01-25 00:27, Ziggy9 wrote:
> Well, there’s a service guide linked from keysite.com:
>
> http://literature.cdn.keysight.com/litweb/pdf/E4400-90335.pdf
>
> Maybe that’s of some help.
>
> Cheers!
> Paul
>
>> On Jan 24, 2021, at 4:37 PM, Magnus Danielson <magnus at rubidium.se> wrote:
>>
>> Fellow time-nuts,
>>
>> Sorry for the stupid question, but hopefully someone may put me on the
>> lead to a solution. My Agilent E4420B fails to power up all of a sudden.
>> It just fails to show anything on the screen and the only real shift is
>> that the yellow standby led shifts to the green powered led. Beyond that
>> it is completely frozen.
>>
>> I just seem to have bad search foo, but maybe someone has a clue to get
>> me in the right direction, for which I would be greatful.
>>
>> So, is there useful service manual and hints for a potential way to
>> resolve this?
>>
>> Cheers,
>> Magnus
>>
>>
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