[time-nuts] 5370B stop trigger not working

Jim Palfreyman jim77742 at gmail.com
Sun Dec 13 15:26:10 EST 2015

Oops yes! I looked up the wrong item. I meant A3U1 which is 5088-7061


On Sunday, 13 December 2015, Cok <Electronico at jpkoning.nl> wrote:

> According to the partlist A4U1 and A4U2 seems to be TL072CP opamps.
>> jim77742 at gmail.com said:
>>> I have gone through the troubleshooting process from the manual and it
>>> seems
>>> to point to A4U2 (Schmidt trigger) being faulty.
>> I'd put a scope on it to check.
>> Before I dive into this, does anyone have any advice? Most important being
>>> the Schmidt trigger - where do I get one?
>> You need more info - the manufacturer's part number or something like
>> that.
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