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Type: Posts; User: Ed Groenenberg

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  1. Dec DELUA field service maintenace diagrams

    A set of field maintenance diagrams for the DELUA. Print set MP01787-01 Rev A1, about 90 sheets.

    $20 + postage, item is in the Nethelands.
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    I would check if the coil is not shorted by...

    I would check if the coil is not shorted by measuring the resistance of each coil of the head.
    If they are all ok, then it's likely one of the driver transistors is broken.
  3. Looking for a wire paper basket for a LA-120 / LA-180

    Hello.

    I'm looking for the wire paperbasket for a LA120 or LA-180 (I believe they are the same).
    This was an optional piece of equipment for these printers.

    Also a series of good pictures and...
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    Never mind, found the LA120 technical manual,...

    Never mind, found the LA120 technical manual, which explains everything I needed to know
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    LA-120 extra option roms?

    Hello.

    I'm repairing the mainboard of a LA-120 I have, it looks like the transmit section does not work.
    Likely it's one of the mc1488/1489 chips, as the local mode works fine, and received data...
  6. PDP-11 console backplate (11/35, 40, 45, 50, 55, 70)

    This is the backplate for a blinkenlight console (and also for the 11/70 remote console).
    The PCB with switches and the front bezel are mounted on this backplate, the backplate
    itself is then...
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    A little sidenote / update, I got a set of...

    A little sidenote / update, I got a set of connectors used for power and made a small PSU using a RT-50b unit and a plastic box I had lying around.
    Works fine, total cost about Eur 30.
    Next is to...
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    Ohh, seems my Google-fu is not so strong anymore....

    Ohh, seems my Google-fu is not so strong anymore. I just could not find those.
    I downloaded them, just in case.

    My TM990 has the UART on it and is configured for EIA, but the DB25 connector has...
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    TM990/189 University Basic rom's

    Hello Everybody.

    Recently I bought a TI TM990/189 SBC and I understand that there are 2 other Rom's (one 4Kb and one 2Kb) which
    holds the software for University Basic.
    My question is if someone...
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    Great, thanks! I did not know these were still...

    Great, thanks!
    I did not know these were still made.
    I'll have a few pins which I can try for measurement and then order it.
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    WTB : TM-990/189 female power plug

    Looking for a female power plug as used on the power supply for a TM990/189 single board computer.

    Thanks.
    Ed
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    Ahh, thanks! I could only find the brochure at...

    Ahh, thanks!
    I could only find the brochure at first.

    I wish I had an CR05, then I could read the cards too.
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    EDUSYSTEM-30 cards

    I got these EDUSYSTEM-30 cards and template from DEC
    The cards look like they are made for a mark/sense reader, but is there someone who can tell me a bit more aouth them?
    59094
  14. Looking for anything on the NCR ADP-53 (scsi to Pertec) card

    I acquired some months ago a NCR ADP-53 SCSI to Pertec interface card and a Xerox copy of a single sheet with minimal information, but too basic to be of any use.
    So, any additional information on...
  15. That should not be a problem, I have 6 KY11's &...

    That should not be a problem, I have 6 KY11's & 11/34a cpu sets.
    Oscar is welcome to pick one up, he knows where I live.
  16. You could leave it out, or replace it with...

    You could leave it out, or replace it with another 5V brick.
    I have a few spare KY11-LB's.
    In fact, Oscar got some time ago a 11/34 programmers console from me, why not upgrade the 11/04 to an...
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    58061 The machine will be in the left rack with...

    58061
    The machine will be in the left rack with one of the RL02's bee replaced with the processor box.
    The RL02 storage box is not part of the machine.
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    Fs: Pdp-11/34

    For sale, a PDP-11/34 as-is with programmers console in a H960 rack with side panels.
    Contains a BA11-K box with the 11/34 backplane, the pcu, 256Kb mem, rx211 controller, RL11 controller, DL11-W...
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    What you want/need/are looking for is the metal...

    What you want/need/are looking for is the metal sub-frame on which the pcb (and the silkscreen as well as the bezel) is mounted. This sub-frame is then mounted on a BA11-F frame (the large frame)....
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    If the 'DIR DL0:' does cause the 'READY' light to...

    If the 'DIR DL0:' does cause the 'READY' light to flikker, it means the drive is actually been accessed.
    Try the dump uyility to see if there something on it.
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    Thanks :) This is how it looks inside the...

    Thanks :)

    This is how it looks inside the model 32.

    56472
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    Oh, just have a look on ebay, there is where I...

    Oh, just have a look on ebay, there is where I got mine.
    JNGE seems to be a reliable brand.
    Just search for 'pure sine inverter 110V'. Usually the sellers offers a selection menyu with the voltage...
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    Indeed this works. I have an model 32 telext...

    Indeed this works. I have an model 32 telext (60Hz) while our line frequency is 50Hz.
    I use a powerbrick from a server (12V@70Amps) and feed that into an inverter (600W) which churns out 110V/60Hz....
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    Wow! I got mine (with a teperint marked...

    Wow!
    I got mine (with a teperint marked dustcover) for the price of 2 bottles of wine.
    Okay, that was several years ago, but still....
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    FS: IBM 3705 operator console

    I'm selling my IBM 3705 Operator console.
    It is encased in an oak frame, see the 2 pictures.
    I have had this for over 15 years now, and as I'm clening out I'll let it go.
    Cables have been cut by...
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