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Type: Posts; User: nikola-wan

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  1. Tektronix 4051 4052 4052A 4054 and 4054A Service Notes

    I just added fourteen service notes in a new folder for the Tektronix 4050 series computers on my github repository:...
  2. Tektronix 4041 Service Notes

    I just added eight service notes in a new folder for the Tektronix 4041 on my github repository:
    https://github.com/mmcgraw74/Tektronix-4041-GPIB-Controller/tree/master/4041_Service_Notes

    One of...
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    Roland, Yes, please scan the TransEra serial...

    Roland,

    Yes, please scan the TransEra serial module operators manual - then we can figure out how to use that interface to get programs in and out of your computer from a PC.

    I scanned and...
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    Roland, Once you can get RS-232 working to...

    Roland,

    Once you can get RS-232 working to your 4052 from a PC, you can try all the software and games I have posted :)

    https://github.com/mmcgraw74/Tektronix-4051-4052-4054-Program-Files
    ...
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    Roland, You certainly got a great deal :) ...

    Roland,

    You certainly got a great deal :)

    I'm looking at the TEK_Supplied_CRC_Lists.pdf that Jos put on his ftp site with the Diagnostic ROM info.

    Either the U880 ROM needs to be looked at...
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    Jos, Do you think your decoder can modify the...

    Jos,

    Do you think your decoder can modify the RS232 printer interface to the same address as Option 1 Comm?

    Or did your tests indicate that RS232 printer interface can be used for TX and RX?
    ...
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    Roland, Excellent progress! Your 4-slot...

    Roland,

    Excellent progress!

    Your 4-slot backpack does not have the serial comm interface.

    Did Jos talk to you about his Multi-ROM pack - which I believe includes the 4052 printer RS232...
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    Roland, Great progress - the rest of your 4052...

    Roland,

    Great progress - the rest of your 4052 appears to be working!

    Don't know if you have looked at your board to see how much memory is installed. I added 18 Mostek4116N-3 200nsec NOS...
  9. All three volumes of the 4041 Controller service...

    All three volumes of the 4041 Controller service manuals and the 4041 DDU (disk drive unit) service manual download links are now on the TekWiki page for the 4041:
    ...
  10. The first two volumes of the service manual scans...

    The first two volumes of the service manual scans indicated a Volume 3, I now have that volume - here is a screenshot of the first page.
    ...
  11. inotarobot, You might try to use an Arduino to...

    inotarobot,

    You might try to use an Arduino to read those ROMs.

    Here is a link to a simple Arduino program I made to read an entire 4907 floppy disk controller set of ROMs that were patched by...
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    Roland, I just found another document I was...

    Roland,

    I just found another document I was looking for - instructions for my Tektronix 4052/4054 System Test Fixture that I picked up 20 years ago.

    It had a couple of pages on 4052 Fault...
  13. I found the 4052/4054 System Test Fixture...

    I found the 4052/4054 System Test Fixture instructions! I found some microfiches with the instructions on the TekWiki: http://w140.com/tekwiki/wiki/067-0942-99

    I spent some hours with GIMP...
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    Roland, You are going to need the 4052 service...

    Roland,

    You are going to need the 4052 service manuals.

    Roland Schregle (Ganjatron) shared this link to his scan of the two manuals :...
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    Roland, With all the front panel lights on -...

    Roland,

    With all the front panel lights on - it looks like it didn't boot.

    It looks like both of the ROM packs are installed - I would turn off the power and remove both of them and try to...
  16. I paid for scans of the latest 4041 Controller...

    I paid for scans of the latest 4041 Controller Service Manual (Vol1 070-6965-00 and Vol2 070-6966-00), and the 4041 DDU (disk drive unit) service manual (070-5853-00).

    Here is a snapshot of the...
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    Roland, The dump of the EPROM will give us the...

    Roland,

    The dump of the EPROM will give us the names of the ROM calls, then we can guess the parameters (like the 4052 "RATE" call programs the port speed and parity).

    I would think the jumpers...
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    Roland, Wow! Your 4052 looks in excellent...

    Roland,

    Wow!

    Your 4052 looks in excellent shape.

    From your photos - you don't have the Tektronix RS-232 Comm Interface, but you do have the TransEra RS-232 interface - did you get a manual...
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    I just created a github repository on my site for...

    I just created a github repository on my site for this Tektronix GPIB Flash Drive project:

    https://github.com/mmcgraw74/Tektronix-4050-GPIB-Flash-Drive

    I got stalled on the project trying to...
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    Roland, That was quick repair work on your...

    Roland,

    That was quick repair work on your 4010!

    Now its time to start on your 4052 :)

    Please post a photo of the rear of your 4052 - I'm particularly interested seeing that 4-slot backpack,...
  21. Wow - the 4052 and 4010 are in great mechanical...

    Wow - the 4052 and 4010 are in great mechanical condition, no missing keys.

    I was able to get Dave Robert's 4052 working in one day. I replaced a bridge rectifier on the power supply that was...
  22. Roland, Welcome to the 4052 owners group! I...

    Roland,

    Welcome to the 4052 owners group!

    I would love to see a photo of the back of your 4052 - and any stickers - which show factory option codes.

    The 4-slot backpack can hold 4 ROM-packs,...
  23. I just corrected the error and posted...

    I just corrected the error and posted LANDER4050.BAS on my repository:

    https://github.com/mmcgraw74/Tektronix-4051-4052-4054-Program-Files/blob/master/Games/LANDER4050.BAS

    I need to update the...
  24. Roland, You found a bug in my LANDER4050.BAS!...

    Roland,

    You found a bug in my LANDER4050.BAS!

    I ran that version in the 4051 web emulator - and see what the issue is.

    In this version I added four DATA statements in lines 221 to 224, which...
  25. Jos, I believe that may be the best route. I...

    Jos,

    I believe that may be the best route. I think I can find all the parts in your list in the first post.

    Monty
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