[time-nuts] Tbolt failure modes

[bg at lysator.liu.se]

Hi Magnus,

> On 05/08/2012 11:58 PM, Bob Camp wrote:
>> Hi
>>
>> The first thing to check is the soldering job on the DB-9 connector.
>> Second thing to check is the RS-232 level translator IC. (RS-232 in
>> should create TTL etc)
>
> Does not explain why the OCXO remains stuck as if it was untrained.
>
> I suspect that the CPU never starts or hangs early.
>
> Cheers,
> Magnus

The big Trimble IC (U2) close to the RS232 port, is also noticeable colder
to a finger tip on the faulty unit, compared to a working unit.

--

  Björn