[time-nuts] SR620 question

Didier Juges shalimr9 at gmail.com
Thu Jan 29 06:32:37 EST 2015


"Simply pasting the link did not work, but it was close enough :-)"

The links that include an IP address (like 81.226.54.139 below) only work until midnight EST, then they are cleared.

It is easy enough (but not necessarily intuitive) to go to the manuals page and search again for the document.

I am trying to come up with a scheme that will create a permanent link. Bear with me a little longer...

Didier KO4BB


On January 28, 2015 7:41:59 AM CST, Gerhard Hoffmann <dk4xp at arcor.de> wrote:
>Am 28.01.2015 um 00:23 schrieb Magnus Danielson:
>>
>> It locks it up with a PLL. See page 9 in PDF below, smack in the 
>> middle is the input circuit and PLL.
>>
>> This page also gives you all the hints of how to wire in a better 
>> oscillator if you wish.
>>
>>> 2 I have seen that the manual has a parts list and references the 
>>> circuit
>>> diagrams, but they are not included in the pdf. Are the circuits 
>>> somewhere
>>> out there?
>>
>>
>http://www.ko4bb.com/manuals/81.226.54.139/SR620_Universal_Time_Interval_Counter_Schematics.pdf
>
>>
>
>Simply pasting the link did not work, but it was close enough :-)
>
>Thanks, also to Charles!
>
>After Bob's comment, I have ordered it with the oven. Should be here 
>in 
>.de in a good week.
>
>>> My 5370A has become so unreliable that it needs replacement.
>>
>> What issues do you see?
>>
>Erratic blinking of the display, probably column drivers, but not only,
> 
>bad switches that
>seem to stick now & then..  For some time, it was enough to remove and 
>re-insert the
>boards, but no more. I don't have the time now to look deeply into it.
>All would not be lost.  It has a nice 10811.
>
>regards, Gerhard
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