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<1234567…34>
  • SPIN Public Beta 0.1b Available for downloadHi all, back again, and as just recently announced on CSS, SPIN has been updated. Here's the post to CSS (or the relevant parts): It's been a bu…

    ... bus based on RamSoft's technical docs -
    with minor changes - probably ...
    Dunny Dunny May 2002 Emulators
  • ANN: Spectaculator 2.5 available for downloadHi. I've just released a new version of Spectaculator, available from [url="http://www.spectaculator.com/"]http://www.spectaculator.com/[/url]. Hopef…

    ... bus emulation as per Ramsoft technical docs (Sidewize and Richochet
    now ...
    Jon Needle Jon Needle July 2002 Emulators
  • sky digibox problemfor months now our sky tv freezes but it only seems to do it on the sky programs - take the news channels, they all freeze apart from bbc and itv and…

    ... back on

    skys technical docs only tell you to do ... email addresses APART FROM the technical problems section which is a ...
    mel the bell mel the bell November 2005 Chit chat
  • Hardware GuideI was thinking this might make a good sticky... [b]Service Manuals[/b] [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf"]48kServiceManual[/URL] -WOS ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128K_TechnicalManual.pdf"]128kServiceManual[/URL] -WOS ...
    thomas3120 thomas3120 May 2007 Hardware
  • Spectrum 128 service manual.Hi, i have been looking at the speccy 128 service manual at [url]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128K_Technical…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128K_TechnicalManual.pdf[/url]

    spodula spodula December 2008 Hardware
  • 48k spectrum restarts by itselfFirst of all hello from a newb and thank you for your help. This site has already offered me a lot of insight. I have a 48k spectrum that will boot …

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3b-Schematics.gif"]ftp://ftp ... .worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3b-Schematics.gif[/URL] and ...
    hedge hedge January 2010 Hardware
  • Spectrum 128k +2 (grey version) Issue 1 Load games problemFirst off all I'm very happy to be a member of World Of Spectrum. Second of all: I have a BIG problem with my spectrum. The cassette tape recorder is…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128+2_ServiceManual.pdf[/url]
    simonbelmont2 simonbelmont2 February 2010 Development
  • Where is the other side from the ZX 48 PCB?Has anyone the other side from the PCB? [url]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3-PCB_Bottom.gif[/url] Micky

    Has anyone the other side from the PCB?

    [url]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3-PCB_Bottom.gif[/url]


    Micky
    -Micky -Micky April 2010 Hardware
  • Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/Pentagon_InstructionsAndAssembly.pdf"]this PDF[/URL ...
    ajmoss ajmoss August 2010 Hardware
  • A small thoughtexperiment.Hi. Let's say that i have a 48K Issue 3b spectrum, and i want to be able to disable the top 32K ram from an external interface. This interface would…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3b-Schematics.gif[/url]
    Rorschak Rorschak June 2012 Hardware
  • Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …

    Does anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ?
    Looking at schematics it has to be simple solution, probably king of interleaving, but I could not find any details.
    kpuchatek kpuchatek October 2012 Hardware
  • Easter eggs!I imagine many of you know of this one on the Speccy +3... [URL="http://ckhatton.com/misc/spectrum/20130227_140844.jpg"][IMG]http://ckhatton.com/misc…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128+3_Oddities.txt"]ftp://ftp ... .worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128+3_Oddities.txt[/URL]
    Crimbo Crimbo March 2013 Sinclair Miscellaneous
  • Someone with relevant file permissions to fix this schematic, pleaseIt's at /pub/sinclair/technical-docs/CheetahSpecDrum_Schematics.gif [img]http://www.worldofspectrum.org/pub/sinclair/technical-docs/CheetahSpecDrum_…

    It's at /pub/sinclair/technical-docs/CheetahSpecDrum_Schematics.gif
    [img]http:// ... www.worldofspectrum.org/pub/sinclair/technical-docs/CheetahSpecDrum_Schematics.gif[/img]
    Inputs ...
    mcleod_ideafix mcleod_ideafix April 2016 Hardware
  • TK90X can't read tapesHi there, I was recently gifted a TK90X which seems to be mostly working and has been modded for composite already. Video displays fine and since I…

    ... ://www.worldofspectrum.org/pub/sinclair/technical-docs/TK90X-ModelB_Schematics.gif

    Shockwav3 Shockwav3 January 2017 Hardware
  • Which capacitors are electrolytic?Hi! I'm refurbishing my 48k issue 6a, and as recommended by many (and not recommended by some) I'm going to replace the electrolytic capacitors. Mind…

    ... ://www.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue6a-Layout.gif) and followed ...
    Mikelone Mikelone February 2017 Hardware
  • Spectrum 48k Clock SpeedSo I was reading the [url="http://www.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf"]Spectrum 48k Service Manaul[/u…

    ... ://www.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf"]Spectrum 48k Service ...
    msansom msansom February 2017 Hardware
  • Microdrives and standard service modifications[url="http://www.worldofspectrum.org/pub/sinclair/technical-docs/ZXMicrodriveInterface1AndInterface2_ServiceManual.pdf"]worldofspectrum.org/pub/sincl…

    ... /pub/sinclair/technical-docs/ZXMicrodriveInterface1AndInterface2_ServiceManual.pdf"]worldofspectrum.org/pub/sinclair/technical-docs/ZXMicrodriveInterface1AndInterface2_ServiceManual.pdf ...
    hedge hedge February 2018 Hardware
  • Errata: Specdrum Schematic Annotation on WOSI discovered that the control signals in the SpecDrum schematic ( [url="http://www.worldofspectrum.org/pub/sinclair/technical-docs/CheetahSpecDrum_Sc…

    ... ://www.worldofspectrum.org/pub/sinclair/technical-docs/CheetahSpecDrum_Schematics.gif"]http://www.worldofspectrum ... .org/pub/sinclair/technical-docs/CheetahSpecDrum_Schematics.gif[/url] ) are labelled ...
    scanboostar scanboostar June 2018 Hardware
  • +3 schematic wanted.Does anyone have a link where it is on the web ? cheers!

    On "World of Spectrum" site, under "Documentation":
    [url="ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/Plus2a-Plus3Schematics.zip"]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/Plus2a-Plus3Schematics.zip[/url]
    LCD LCD February 2003 Sinclair Miscellaneous
  • ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/TS2068_TechnicalManual.zip"]ftp://ftp.worldofspectrum ... .org/pub/sinclair/technical-docs/TS2068_TechnicalManual.zip[/url]

    Alcoholics Anonymous Alcoholics Anonymous September 2003 Emulators
  • Updating Firmwares - Type of epromI am to upgrade one of my +2s, my Opus discovery as well as my Multiface 128k interface. Does anyone know what type of eprom chips should I buy?

    ... .worldofspectrum.org/pub/sinclair/technical-docs/OpusDiscovery_Diagram.gif"]ftp://ftp ... .worldofspectrum.org/pub/sinclair/technical-docs/OpusDiscovery_Diagram.gif[/url]
    technical-docs/Multiface1_Schematics.gif"]ftp://ftp ...
    Steve(spt) Steve(spt) May 2004 Sinclair Miscellaneous
  • video problem with 128kHi. I bought a 128K (the one with the huge heat sink in the right side) some years ago. Everything seems to work properly except the screen. It doesn…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128K_TechnicalManual.pdf"]ftp://ftp.worldofspectrum ... .org/pub/sinclair/technical-docs/ZXSpectrum128K_TechnicalManual.pdf[/url]

    absorbentgnome absorbentgnome July 2005 Sinclair Miscellaneous
  • Noisy display faultI've been given an Issue 3 48K Speccy PCB which is in good working order except the main display area has slight changes of shade loosely following a…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3-Schematics.gif"]this one ...
    Marcelo Marcelo June 2006 Hardware
  • RAM chips are 4164s and 4564s interchangeableI paid for some 4164s online, for upgrading my Spectrum 16K to 48K, and I've been given 4564s. I've tried these along with the correct logic ICs and …

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3-Schematics.gif"]This[/URL ...
    Laser Laser September 2006 Hardware
  • Black paper, white border. Ram fault?We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working o…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf[/url]

    Pilsener Pilsener December 2006 Hardware
  • 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 …

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3-PCB_Bottom.gif[/url] I ...
    owdeuk owdeuk March 2007 Hardware
  • Edge connectors - before I finally go mentalOK - anyone got a source for suitable connectors for use with the Spectrum edge connector? Doesn't have to be keyed, just has to fit and have enough …

    For edge connectors, on page 174 of the [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/TS2068_TechnicalManual.zip"]ts2068 technical manual[/URL] there is a diagram of the 2068, spectrum and zx81 connectors side by side.
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Hardware
  • Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…

    ... ://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf[/url]

    zxbruno zxbruno March 2007 Wanted
<1234567…34>

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