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<1…15161718192021…34>
  • problem on the video output (spectrum 2+)Hello, I'am french. (Sorry my english is very bad). I have a problem on my spectrum 2 +. At the beginner the picture (on my tv) have 2 area where 2 t…

    ... here at WOS here for schematic
    [url]http://www.worldofspectrum ... , as I see by 128 schematic.
    piters piters February 2007 Hardware
  • problem on the video output (spectrum 2+)Hello, I'am french. (Sorry my english is very bad). I have a problem on my spectrum 2 +. At the beginner the picture (on my tv) have 2 area where 2 t…

    ... here at WOS here for schematic
    [url]http://www.worldofspectrum ... , as I see by 128 schematic.[/QUOTE]

    No, there ...
    bugpat bugpat February 2007 Hardware
  • light gunHi all, Im quite new to the spectrum scene. I just bought a spectrum +2 last week with a load of games and a light gun. But I dont know what games …

    ... ads. OTOH, searching for [b]opus discovery[/b] does indeed return ...
    Marcelo Marcelo February 2007 Hardware
  • Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?

    ... *could* come up with a schematic to convert speaker-level signal ...
    Marcelo Marcelo March 2007 Hardware
  • Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?

    ... )...

    ... looking at the schematic for the Issue 4a (and ...
    Winston Winston March 2007 Hardware
  • Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?

    ... 't appear to have a schematic for a toastrack 128K - only ...
    Winston Winston March 2007 Hardware
  • Wanted 10 - 4116 Ram ChipsHi Can any one help I am trying to get hold of 10 4116 RAM chips for a 48K Spectrum. Does any one know who might stock them. I can get a minimum of …

    ... look at the Issue 3B Schematic along with [url=http://www ...
    BloodBaz BloodBaz March 2007 Wanted
  • Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …

    ... it should do on the schematic (probably, amongst other places, the ...
    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…

    ... additionally - although my analogue electronics fu is not all that strong, looking at the schematics for an Issue 2 suggests that the power supply that generates some of the 'weird' voltages (+12v) is a switch mode power supply, which gets regulated by ...
    Winston Winston March 2007 Hardware
  • Anybody fancy coding this?blah de blah de blah Please ignore, poting error.

    These days, use flash - don't bother with eprom. You can replace the ROM by making an external board that connects to the edge connector, and nails ROMCS high just like ZX Interface 2, so that the on-board ROM never gets selected. Simple decoding logic ...
    Winston Winston March 2007 Development
  • What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]

    ... through the Spectrum 128K +2 schematic.

    It uses 4 ...
    Winston Winston March 2007 Hardware
  • What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]

    ... through the Spectrum 128K +2 schematic.

    It uses 4 ...
    bugpat bugpat March 2007 Hardware
  • What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]

    ... through the Spectrum 128K +2 schematic.

    It uses 4 ...
    DEATH DEATH March 2007 Hardware
  • anyone interestedHi anyone interested in any of these,not sure what they are worth,cannot seem to find most of them on ebay to compare …

    ... (is the keyboard ok?)
    -Opus discovery system with everything that ...
    zxbruno zxbruno March 2007 Sales
  • Hard drive crash - any help?My HD has crashed, the OS is Windows 2000 Server. Right at the start of the boot process it says "Error loading operating system". Running the reco…

    ... .tzx files made by myself, Schematic's + PCB layouts/cad project ...
    FrankT FrankT March 2007 Chit chat
  • Hard drive crash - any help?My HD has crashed, the OS is Windows 2000 Server. Right at the start of the boot process it says "Error loading operating system". Running the reco…

    ... .tzx files made by myself, Schematic's + PCB layouts/cad project ...
    ajmoss ajmoss March 2007 Chit chat
  • Dead +2B, help required...It was bought defective on ebay. It came with two faults: a "dead" power supply (it was the fuse) and a faulty main unit. The power supply is now re…

    ... haven't looked at the schematic) into the search and you ...
    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

    ... night I scribbled out a schematic on the back of an ...
    Winston Winston 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?

    ... I'll draw up a schematic and email it to you ...
    DEATH DEATH March 2007 Hardware
  • Dead +2B, help required...It was bought defective on ebay. It came with two faults: a "dead" power supply (it was the fuse) and a faulty main unit. The power supply is now re…

    ... haven't looked at the schematic) into the search and you ...
    Marcelo Marcelo March 2007 Hardware
  • 5v Transformer.I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?

    I have emailed a schematic/diagram for you to look at. I hope it's clear, but I'm not good at art :)
    DEATH DEATH March 2007 Hardware
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... ---/__/
    [/code]In the schematic above, the XOR/XNOR gates ... [/B]. The two in the schematic, [B]Ax[/B] and [B ...
    Marcelo Marcelo April 2007 Hardware
  • I wish I could afford...[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=190100718097&ssPageName=ADME:B:SS:UK:1[/url] Okay it's sold as seen but if they work, nice…

    Very nice, even comes with an Opus sytem! Worth a few bob that!
    DEATH DEATH April 2007 Sales
  • I wish I could afford...[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=190100718097&ssPageName=ADME:B:SS:UK:1[/url] Okay it's sold as seen but if they work, nice…

    I used to have an Opus. Great system. You could add a Ram chip and then frig with the OS just like I assume you can do with the PlusD.
    dekh dekh April 2007 Sales
  • I wish I could afford...[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=190100718097&ssPageName=ADME:B:SS:UK:1[/url] Okay it's sold as seen but if they work, nice…

    ... ]I used to have an Opus. Great system. You could add ...
    DEATH DEATH April 2007 Sales
  • "Lost" 48K expansionToday I dug up my Speccy after more than 10yrs of inactivity. I bought it as a 16K in 1983, than I had expanded to 48K and never had problem. Until t…

    ... need to look at the schematic to determine which chip holds ...
    Winston Winston April 2007 Hardware
  • Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…

    I'm looking at the schematic. It seems related to
    ... that this piece of the schematic do the RAM refresh, but ...
    Zup Zup April 2007 Hardware
  • Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…

    ... all.

    Here is schematic of similar thing: external ROM ...
    piters piters April 2007 Hardware
  • Problem with my speccy 48+My machine boots up but apon booting it freezes and you can see feint grey horizontal 1 pixel lines going down the screen. Is this fixable at all?

    ... the machine (refer to the schematic for your particular motherboard to ...
    Winston Winston April 2007 Hardware
  • Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…

    If you're making the interface's schematic and the ROM's code public for free, then count me in as well. I'll make one myself.

    Thanks,
    Marcelo.
    Marcelo Marcelo April 2007 Hardware
<1…15161718192021…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    Renegade on April 21
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    John Elliott on April 21
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    mel the bell on April 20

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