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  • Amstrad +2 Diagnostic BoardCan anybody help I wish to buy the Diagnostic Board that connects to the I/O strip at the back of the Amstrad ZX Spectrum +2. Many thanks Martin

    Can anybody help I wish to buy the Diagnostic Board that connects to the I/O strip at the back of the Amstrad ZX Spectrum +2.
    Many thanks
    Martin
    Martin Baugh Martin Baugh March 2007 Wanted
  • A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…

    ... redesigned version of Winston's diagnostic board[/B][/U]

    This ...
    1024MAK 1024MAK October 2014 Hardware
  • flashing 28C256 by diagnostic board?Is it possible to flash EEPROMs 28C256 by use of the diagnostic board? Which page I have to choose for address space #4000-#7FFF?

    Is it possible to flash EEPROMs 28C256 by use of the diagnostic board? Which page I have to choose for address space #4000-#7FFF?
    HZJ HZJ December 2016 Hardware
  • Can you identify this board?[img]http://img78.imageshack.us/img78/849/szxport1ue6.jpg[/img] [url]http://img78.imageshack.us/img78/849/szxport1ue6.jpg[/url] it says "ZX PORT" on…

    [img]http://img78.imageshack.us/img78/849/szxport1ue6.jpg[/img]
    [url]http://img78.imageshack.us/img78/849/szxport1ue6.jpg[/url]

    it says "ZX PORT" on the back. is this a diagnostic board or a homebrew hobbyist board?
    Arda Arda December 2008 Hardware
  • Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…

    ... China. Here's my populated board along with an unpopulated PCB ... 8 PM's secure a board.

    I accept payment ...
    balford balford October 2013 Sales
  • Help!!I got a new case, CPU & Motherboard today. After assembling them all, along with the rest of the bits, tried to switch on & nothing. Nothing at all…

    ... />
    I've got a diagnostic board thats showing 'going to give ...
    Lee Fogarty Lee Fogarty November 2005 Chit chat
  • FLASH EPROM programming on ZX SpectrumThis is photo of Winston's DIAGNOSTIC BOARD: [img]http://velesoft.speccy.cz/other/diagboard.jpg[/img] Schematic and flash utilities: [url]http://www…

    ... is photo of Winston's DIAGNOSTIC BOARD:
    [img]http://velesoft.speccy ...
    velesoft velesoft May 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... is WINSTON's flasher for diagnostic board modified for use with DIVIDE ...
    velesoft velesoft September 2010 Hardware
  • Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…

    ... ROM used with Winston's diagnostic board to also properly test the ...
    balford balford February 2014 Hardware
  • Spectrum +2a memoryHi all, Happy New Year. A quick question, I have a Spectrum +2a that I am seeing a very intermittent fault, once every 20 - 30 power ups. I plug…

    ... />
    I plugged in the diagnostic board and when it happens it ...
    bagpuss22 bagpuss22 January 2015 Hardware
  • Access to ZX81-Service ManualI need the ZX81-Service manual to repair my sick Zeddy. Unfortunately I don't get access to WOS documents via ftp. How can I register? For the ZX-S…

    I need the ZX81-Service manual to repair my sick Zeddy. Unfortunately I don't get access to WOS documents via ftp. How can I register?
    For the ZX-Spectrum there is a diagnostic board. Is there a similar board for the ZX81?
    HZJ HZJ September 2015 Hardware
  • Issue 6a - no soundHi all I get from ebay one issue 6a, Burned 7805, ztx 650 After this all look fine, zx diagnostic board pass mem test but not have sound, i change…

    ... this all look fine, zx diagnostic board pass mem test but not ...
    gorski gorski December 2015 Hardware
  • toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…

    ... a PCB for a Speccy diagnostic board this weekend since the weather ... have a broken Issue 4S board that could do with some ...
    Winston Winston March 2007 Hardware
  • toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…

    ... a PCB for a Speccy diagnostic board this weekend since the weather ... have a broken Issue 4S board that could do with some ... kit form.
    [U]Test board:[/U]
    What about LED ... a specialized part). The test board simply should not.

    Marcelo Marcelo March 2007 Hardware
  • toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…

    ... connects to the Z80 single board computer I recently built (so ... be perfectly adequate for a diagnostic board, I just have LCDs on ...
    Winston Winston March 2007 Hardware
  • Amstrad +2 Diagnostic BoardCan anybody help I wish to buy the Diagnostic Board that connects to the I/O strip at the back of the Amstrad ZX Spectrum +2. Many thanks Martin

    ... I wish to buy the Diagnostic Board that connects to the I ...
    DEATH DEATH March 2007 Wanted
  • 5v Transformer.I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?

    ... try out this ROM+memory diagnostic board I'm building...
    Winston Winston March 2007 Hardware
  • Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…

    ... mate your other Z80 computer board to the Spectrum and have ... />
    I've seen the diagnostic board. It's an interesting piece ... repairing maybe investing in your diagnostic board wouldn't be a bad ...
    Avian Avian May 2007 Hardware
  • Alternative chips for upper RAM blockDoes anybody know of a way to use 4464 chips instead of 4164 for the upper RAM block in a 48K machine? If not 4464 then something a little more avai…

    ... all the fault of this diagnostic board I had in the mail ...
    DEATH DEATH August 2007 Hardware
  • Wanted Issue 1 32K DaughterboardBit of a long shot i know but original or if anyone can make one i got cash waiting. [IMG]http://img.photobucket.com/albums/v322/Sloposse/Sinclair/s…

    ... checking routines (from his hardware diagnostic board) could be adapted to check ...
    jp jp April 2008 Wanted
  • Wanted Issue 1 32K DaughterboardBit of a long shot i know but original or if anyone can make one i got cash waiting. [IMG]http://img.photobucket.com/albums/v322/Sloposse/Sinclair/s…

    ... checking routines (from his hardware diagnostic board) could be adapted to check ...
    ZX-MAD ZX-MAD April 2008 Wanted
  • R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…

    ... would love to get the diagnostic board along with a good many ...
    thomas3120 thomas3120 February 2009 Hardware
  • Odd keyboard behaviour due to a single bit failure in +3 ROMI've just fixed a spanish +3, which, among normal issues (drive belt missing), presented a very strange one: the keyboard autorrepeated without a del…

    A totally unexpected find, nice job! Can't think of anything else but aging of the ROM.
    I assume the Diagnostic Board already does a (set of) ROM tests?
    roko roko December 2009 Hardware
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... /> I mean , winston has the diagnostic board, the ZXC boards via interface ...
    fog fog December 2009 Hardware
  • Spectranet twitter client[youtube]-ECnN7jdgA4[/youtube] This time it's not a hack like the one we did in the pub in Oxford, it's a proper client that allows anyone to log in…

    ... winston.. but sort out that diagnostic board :D
    fog fog June 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... 's flash utility for zx diagnostic board)

    [img]http://velesoft ...
    velesoft velesoft November 2010 Hardware
  • ZX Spectrum 48k issue 3b power problem?Hi :) I was lucky enough to find a couple of ZX Spectrums at a car boot sale yesterday. I spent the evening fiddling about with one (issue 2) and t…

    ... ).

    I use a diagnostic board ( Winston) that it makes some ... repair. I also use a board for IF2 interface (I made ...
    Jose_Leandro Jose_Leandro April 2011 Hardware
  • Faulty Grey Spectrum +2 - help neededI have a faulty spectrum +2. I tested the voltaged inside - all check fine. Well, within some limit, +5 for example is 4.83, but all other voltages a…

    ... .alioth.net/Projects/Spectrum-Diag/"]diagnostic board[/URL] uses LEDs, I think ...
    zxbruno zxbruno May 2012 Hardware
  • Divide 57d3 and the TC2068.Hello, any tips getting the Divide 57d3 to work with a Timex TC2068? I either get a black screen with occasional change to the normal, or the revers…

    ... ? I remember there was a diagnostic board that would test the M1 ...
    pmsr pmsr June 2012 Hardware
  • Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…

    ... who can loan you a diagnostic board that plugs into the edge ... don't currently have a diagnostic board. But I may be able ...
    1024MAK 1024MAK May 2013 Hardware
<1234567…34>

Latest Posts

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  • A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U]<br /> <br /> This is a continuation of a project that started in a hijacked thread […
  • flashing 28C256 by diagnostic board?Is it possible to flash EEPROMs 28C256 by use of the diagnostic board? Which page I have to choose for address space #4000-#7FFF?
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