14 Sep
2022
14 Sep
'22
5:06 p.m.
Lots of Televideo docs scanned thanks to good old Al ==>
https://bitsavers.computerhistory.org/pdf/televideo/
Nothing for the 921 but there is an operator's manual for the 922 which may
shed some light on what the continuous beep might mean.
Sellam
On Wed, Sep 14, 2022 at 9:33 AM Peter Coghlan via cctalk <
cctalk(a)classiccmp.org> wrote:
Mike Loewen wrote:
On Wed, 14 Sep 2022, Jonathan Katz via cctalk
wrote:
After checking the voltages, if it has a microprocessor, check if it is
being
held reset and if the clock is running.
If it is a big lump of logic, it would probably be a lot easier to deal
with if you can find some sort of service manual / circuit diagram /
circuit description.
Regards,
Peter Coghlan.
I have a TVI-921C at the museum. I power it on
and it beeps
continuously. One long, solid tone that does not stop until I power it
off. How do I start diagnosing this?
Check the power supply voltages.