[time-nuts] Re: HP 3561a Service Manual

[Dan Rae]

On 11/12/2021 9:57 AM, Norman Reitz via time-nuts wrote:
> Hi,
> I hope someone here can help. I want to setup a HP 3048a phase noise measurement Set. So I bought the HP 3561a  an the interface. After testing the HP3561a I hat two error Codes: #0 7-26 and  #0 7-31. Does someone got the servicemanual for further Informations?
> Thx and Kind regards Norman

Norman, those are RAM error codes, Pages 6-59 to 6-61 in volume 1 of the 
service manual refer to these.  There are other codes on the screen that 
will tell you exactly which IC has died.  Artek has the manual.

I've had two with similar faults, replacing the IC indicated cured them.

Dan