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Re: Identify TDS640A 'hackable' options via serial number?


 

Dave,

Yes, for 2F no any hw changes needed, only unlock by EEPROM modifying
(don't forget to unlock EEPROM when modifying EEPROM ;).

The color TDS with NuColor using non-VGA signals on the connector attached
to color CRT board. I have a TDS544 Proc board, but w/o color CRT & CRT
board, only monochrome from TDS540. I tried to convert the video signals to
connect the monochrome set, but it didn't work out. Then I connected VGA
pins. It works. As i remember, the problem in clock frequencies. But keep
in mind that with this connection, you will not be able to directly connect
both the internal LCD and the monitor. You will need some kind of VGA
splitter.

Peter

вт, 11 мар. 2025?г. в 16:16, Dave B via groups.io <davebullockmbe=
[email protected]>:

HI,
Thanks for your swift reply.
So what you are saying is that :-
1). The FFT math function will already be installed and just needs
'unlocking' via one of the two methods you describe (2F Advanced DSP
math)
so I don't need any additional hardware fitting? (like would be needed to
increase recording capacity)

2). It's easiest to fit a new backlit LCD display and just drive it from
the VGA output that is available on the rear panel?
I had seen the article on removing the degrading gel/'shutter' and CRT and
this inspired me to wonder if a monochrome TDS640A could be modified to
colour simply with a screen 'transplant'.

Looks very interesting.
Many thanks for the information, it is greatly appreciated.
Dave





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