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<1…22232425262728…34>
  • Spectrum in a BoxI had a Spectrum+ sitting around for quite some time collecting dust. The case wasn't much to look at, and the keyboard was already missing two keys.…

    ... antenna socket
    - original 5V voltage regulator replaced with Traco TSR ...
    xelalex xelalex August 2020 Hardware
  • zx spectrum +2A power supply missing -12v voltshey.. i'm looing at a zx spectrum +2A power supply that the -12v rail seems to be missing .. it has the 12 volts and 5 volts .. it is the version wit…

    ... that there is no input voltage .. any suggestions / power supply info ...
    mark8bit mark8bit November 2020 Hardware
  • Quirky nerdy hardware quiz time[b]Quirky nerdy hardware quiz time[/b] [list=1][*]How many transistors are on the issue one ZX Spectrum PCB? [color=#FFFFFF].[/color] [*]Which d…

    ... tell me the normal forward voltage of a blue one.
    1024MAK 1024MAK December 2020 Sinclair Miscellaneous
  • Old VGA to TV converter, still a good option?Came across this converter box, seems a bit old but I was surprised to learn it can output RGB/scart. [url=https://ibb.co/Hgp29vN][img]https://i.i…

    ... learn it can output RGB/scart.

    [url=https://ibb ...
    Renegade Renegade December 2020 Chit chat
  • 5Ghz Video Transmitter - no more video cables.Just thought I'd mention... While waiting for my new LCD panels to arrive, I wanted to test the new Speccy that arrived, that wanting to test it, I r…

    ... supply either. They are pretty voltage insensitive ( work from around 7v ...
    cj7hawk cj7hawk January 2021 Hardware
  • zx spectrum +2 RGB cable /// pin out/ voltagesi have a +2 cable that seems to be made well from a well known supplier.. it actually came with a +2A i recently brought but most defiantly is not su…

    ... Csync for pin 20 of scart but without any resistors. (this ...
    mark8bit mark8bit March 2021 Hardware
  • Spectrum +2 grey to VGA and GBS-8200Hi friends, need your help with a cable i am trying to make it work, using this link https://cygnus.speccy.cz/popis_propojeni_zxs128kplus2_a_g…

    ... from https://www.retrocomputershack.com/SCART-DESIGNS/Spectrum-128K/index.html ...
    xaris_sm xaris_sm April 2021 Hardware
  • Spectrum +2 grey to VGA and GBS-8200Hi friends, need your help with a cable i am trying to make it work, using this link https://cygnus.speccy.cz/popis_propojeni_zxs128kplus2_a_g…

    ... from https://www.retrocomputershack.com/SCART-DESIGNS/Spectrum-128K/index.html ...
    xaris_sm xaris_sm April 2021 Hardware
  • Using a thermal camera to fix speccy's.Hi All, Thought I'd share another repair... Got a board that collapsed the bench supply straight away ( I run a bench supply and give it just enou…

    ... power drops below 600mA, the voltage should rise to 9v. )
    cj7hawk cj7hawk December 2021 Hardware
  • When some new video tech enters your old houseBeing the sort of creature that has kept all the old TVs and monitors around since I first began taking interest in video matters it was with curiosi…

    ... an antenna cable.
    Hey, scart connector!
    Component video?
    Renegade Renegade March 2022 Chit chat
  • 48k S-video output -- pcb board (credits 1024MAK & RGA24) just fitted a revision A of the s-video board to a issue 2 specie and i am very impressed with the results. the picture is…

    ... without a blanking signal the scart is only running in composite ...
    mark8bit mark8bit April 2022 Hardware
  • Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…

    ... ULA and CPU), however, the voltage is way too low. I ...
    DistantStar001 DistantStar001 June 2022 Hardware
  • We're already using free energy in the UK?Does anyone know anything about electricity? I dont :D but I've seen a few things that raise my suspicions: There is a voltage difference betw…

    ... :

    There is a voltage difference between ground and the ...
    klanka klanka June 2022 Chit chat
  • +3 RGB OutI've jus get an +3 that works fine, but i would like to use my CPC RGB monitor with it. Does anybody know something about if it's possible or not?. I…

    I made a scart cable easily enough. Connect +12V to fast RGB blanking. I changed the 470ohm resistor on the composite sync line to 330 to make a certain tv work all the time. I've just completed a stereo modification on the secaria site.
    Anonymous Anonymous February 2002 Sinclair Miscellaneous
  • +3 RGB OutI've jus get an +3 that works fine, but i would like to use my CPC RGB monitor with it. Does anybody know something about if it's possible or not?. I…

    ... around the cable in the scart plug to stop it pulling ...
    Anonymous Anonymous February 2002 Sinclair Miscellaneous
  • spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…

    ... with a multimeter read the voltage at the input of the ... spectrum is powered by a voltage less than the normal (9V ... . Be carefull specially with the voltage and polarity of the connector ...
    Anonymous Anonymous January 2002 Sinclair Miscellaneous
  • spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…

    ... happen (remember the considerations about voltage and polarity).
    If the ...
    Anonymous Anonymous January 2002 Sinclair Miscellaneous
  • speccy soundI know this sounds a bit vauge but can anyone explain to me why the music on some 48K games was so amazing and so much better than the usual beeper s…

    ... ). You see the greater the voltage change across the loudspeaker the ...
    cyborg cyborg November 2001 Sinclair Miscellaneous
  • Original rubber key 48k'sThis question is to some point academic; But i seem to remeber the original 48k Rubber Keys Speccy came in versions 1,2 & 3! (way back when, occasi…

    ...
    in response to sudden voltage fluctuations. This results in the ...
    Mike Jeanes Mike Jeanes July 2001 Sinclair Miscellaneous
  • speccy+2 to HERCULESIn a few years ago I saw a Speccy connected to HERCULES monitor. Now I have one and I want to connect my speccy to it. If anyone knows how I can do a…

    ... easy, my monitor has a Scart input.

    Also this ...
    Anonymous Anonymous May 2001 Sinclair Miscellaneous
  • 128 +2 video connections.I have just got my hands on a Spectrum 128 +2 grey model all in working order, what I need to know is if I take a signal from the CVBS Composite Vid…

    ... have two PAL monitors with Scart inputs.


    Washac ...
    Anonymous Anonymous April 2001 Sinclair Miscellaneous
  • SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…

    ... as follows:

    Machine Voltage Amperage Centre Polarity
    -------------------------------------------------------
    Keith Coles Keith Coles April 2001 Sinclair Miscellaneous
  • Monitor connections.I have two old monitors Phillips 8833 and an old Commodore 1084s. Does anybody know how to connect a Spectrum 48k and a Spectrum +2 to these monito…

    Yea done it, connected a +2 to a monitor with a scart input. works a treat, got all the sound and everything.


    Washac:)
    Anonymous Anonymous May 2001 Sinclair Miscellaneous
  • RGB or Composite out of a Spectrum Plus?Anyone know of a way? I dont mind soldering ect. I also heard that their was composite on the expansion bus(Anyone confirm?) Anyone know of a way?

    ... audio out, and build a scart plug.

    -- ale ...
    Alessandro Tommasi Alessandro Tommasi March 2001 Sinclair Miscellaneous
  • RGB or Composite out of a Spectrum Plus?Anyone know of a way? I dont mind soldering ect. I also heard that their was composite on the expansion bus(Anyone confirm?) Anyone know of a way?

    ... I have run out of scart inputs on my TV [img ...
    Keith Coles Keith Coles April 2001 Sinclair Miscellaneous
  • Questions about +2The Spectrum +2 has a built in tape recorder. As I am about to put my hands on ony of those, I have a few questions: first, the +2 power supply the s…

    ... out, one could wire a SCART plug to avoid all these ...
    Alessandro Tommasi Alessandro Tommasi February 2001 Sinclair Miscellaneous
  • WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…

    ... and Iss 3 V are voltage levels on pin 28 of ... 6 is 1 if the voltage on pin 28 is over ...
    Dr BEEP Dr BEEP November 2001 Sales
  • NTSC MONITORLast year I bought a +2 at eBay. I live in New York, USA. I had a +2 when I was in Portugal (6 years ago). I posted a topic here and 2 persons told m…

    ... through S-video. In Europe, SCART is roughly equivalent to S ... a much bigger plug), and SCART is used for running import ...
    Jazzbeaux Jazzbeaux April 2002 Sales
  • ZX to EGA - it works !!I finally hooked up EGA monitor to ZX. Everybody can repeat if can hold the soldering iron in the arm. The circuit diagram is simple, it contains two…

    ... up via RGB to a scart socket on a TV? Would ...
    MikeyB MikeyB May 2002 Sinclair Miscellaneous
  • RGB Cable for Spectrum 128K +2Anyone have one for sale? Or know where I could get one - tried the highstreet stores but no joy :?( Is it a special Sinclair version or can I use …

    ... works fairly well on a scart tv. Here is my instructions ... to. All numbers on the scart: Fast RGB blanking is pin ... around the cable in the scart plug to stop it pulling ...
    Fraser Fraser June 2002 Wanted
<1…22232425262728…34>

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