Electronics > Repair
Unified tektool released ! (Firmware flash tools for old Tektronix TDS series)
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Ross2:
Coming soon   8)
Display went bad, it has been repaired. so far, I connected to the GPIB queried the port and got a response.

I have several other TDS scopes to repair and upgrade. 540, 640, 644 and a 744. I will be looking for information on upgrading and the newest firmware and soft option to enable. 

Thank you
TERRA Operative:
I can help you with the firmware/option upgrades for the TDS600/700

If you have the means for calibration, you can increase the bandwidth limit too. :)
Ross2:
TY. That would be great. I noticed that there a 2 empty spam pads, I was thinking of increasing the sram. Is there any benefit increasing it?
madao:
two empty SRAM pad near D1 connector: it is "for future use", which it is never used.

NathanFulton:
Hey I just scored a TDS 754C that was decommissioned from a calibration lab not too long ago cause it had some minor problems. Just checked the firmware and... :)


I've been following your TDS 6/7/8XX repair videos on youtube and would love to help out. I don't have a USB-GPIB interface but I have been building a DOS 6.22-based NI GPIB-PCII/IIA rig. I've gotten as far as installing TDS700C Field Adjustment and NI-488.2 DOS software and having it recognize the GPIB card, but I can't get Field Adjustment software to see the scope...


Think it would be possible to dump the firmware with this old-school setup? I've only just started tinkering with this so hopefully I can figure out whatever config problem I have to get it working. Meanwhile, I've already used the software from here: https://www.eevblog.com/forum/testgear/tektronix-tds500600700-nvram-floppy-dump-tool/ to dump the NVRAM contents in anticipation of replacing the aging Dallas chips. I don't suppose the firmware is already in that dump, is it?

Lemme know if you have any ideas.

--------------------
Edit:
I was able to get Field Adjustment working thanks to this thread: https://www.eevblog.com/forum/testgear/tektronix-tds700a-field-adjust-software-help-needed/ The dips/jumpers on my card weren't set correctly.

I tried running tektool.exe in DOS 6.22 and unfortunately it just says "This program cannot be run in DOS mode."
Let me see if I can get a slightly more modern OS on this thing...

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