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<1…19202122232425…34>
  • Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky

    ... , apart from disabling the RF modulator). I'd be more worried ...
    RetroTechie RetroTechie April 2010 Hardware
  • comp video zx spectrum +2AI did this comp video mod on my zx spectrum 48K a while back and it worked great. [url]http://womblesretrorepairshack.blogspot.com/2008/11/zx-spectru…

    ... all spectrums have same RF modulator.
    anyway, take that advice ...
    orange orange April 2010 Hardware
  • Spectrum 2+ R/F Box issues.Hi people, Not done alot here but looks as-if I may need some assistance with my +2 I recently bought. I was testing the machine out and all was ok…

    ... , when dealing with the RF modulator, remember to use a plastic ...
    Zup Zup April 2010 Hardware
  • Spectrum 2+ R/F Box issues.Hi people, Not done alot here but looks as-if I may need some assistance with my +2 I recently bought. I was testing the machine out and all was ok…

    ... , when dealing with the RF modulator, remember to use a plastic ...
    tokyoracer tokyoracer April 2010 Hardware
  • Broken speccys on ebayI often see broken speccys on ebay,the usual listings of no display on pic etc,i know could be opening a can of worms when buying one,so can [B]some[…

    ... the + ones are more expensive. modulator problem, e.g. drifting.. but ...
    fog fog May 2010 Hardware
  • Spectrum+ from ebayI recently received a Spectrum+ that I bought off ebay for about ?10 including postage. I have not tested it yet but had a quick look inside through …

    ... TV connector first (connected to modulator case = Spectrum's ground), and ... ] the TV, and touch eg. modulator case first, before touching any ...
    RetroTechie RetroTechie May 2010 Hardware
  • Screen display but with static noisePicked up an sold as seen speccy+ on the bay,the screen on the ebay listing was garbage but i suspect it was due to the seller using his lcd tv so ma…

    ... or you can bypass the modulator to get a composite video ...
    joefish joefish May 2010 Hardware
  • Which TFT monitor for the ZX48K?I have tested 3 TFT monitors with my ZX48K: AOC 719VA+ Benq FP937s+ Asus VW193D-B Two of them have a very bad picture with the ZX48K. Only the AOC…

    is that via the RF modulator , or has it been modified to go via composite instead?
    fog fog May 2010 Hardware
  • TV tuning problemI've just discovered that I can't tune in any of my Spectrums on my new TV. (Well, "new" in the sense that it's an old one I was given to replace an …

    ... changing the frequency of the modulator. Mind you the thread on ... the modulator that you turn can get ...
    BiNMaN BiNMaN May 2010 Hardware
  • TV tuning problemI've just discovered that I can't tune in any of my Spectrums on my new TV. (Well, "new" in the sense that it's an old one I was given to replace an …

    ... to get to the TV modulator & pop its cover off ...
    RetroTechie RetroTechie May 2010 Hardware
  • TV tuning problemI've just discovered that I can't tune in any of my Spectrums on my new TV. (Well, "new" in the sense that it's an old one I was given to replace an …

    ... to get to the TV modulator & pop its cover off ...
    Alien 8 Alien 8 May 2010 Hardware
  • Yeeeees finally got one!If anyone wants to make me an offer for the ultimate games pm me. I'm not that bothered by them tbh. [URL="http://www.youtube.com/watch?v=mVgYKMTqL…

    ... it scart? BUT the RF modulator controls the timing and that ...
    fog fog May 2010 Sinclair Miscellaneous
  • Yeeeees finally got one!If anyone wants to make me an offer for the ultimate games pm me. I'm not that bothered by them tbh. [URL="http://www.youtube.com/watch?v=mVgYKMTqL…

    ... it scart? BUT the RF modulator controls the timing and that ...
    Klepto Klepto May 2010 Sinclair Miscellaneous
  • Bad RGB picture qualityHi I just received my RGB cable, and found out that the quality is not as good ex expected. [IMG]http://dl.dropbox.com/u/6845970/loader1.jpg[/IMG] …

    ... PAL encoder chip or UHF modulator. It has only RGB (Peritel ...
    Gods Gods May 2010 Hardware
  • Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…

    ... the composite input to the modulator, plus an earth, to an ...
    RST#08 RST#08 June 2010 Hardware
  • 48k via vcr to modern tv ?I just got a 48k and have problems tuning it, I get the white screen and text but its jumpy/distorted. I was wondering if anyone had any luck run…

    it's maybe the modulator inside the speccy, the deteriorate ...
    fog fog June 2010 Hardware
  • Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…

    ... signal goes into the TV modulator. Adding another emitter follower stage ... is surely neccessary for the modulator). This DC voltage causes an ...
    ingo ingo June 2010 Hardware
  • Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…

    ... is surely neccessary for the modulator).
    [/QUOTE]

    In ...
    Winston Winston June 2010 Hardware
  • How to make a comp video cable for +2 greySorry to bog, maybe the clue is just laiden on another thread but.... I have just obtained a 128 +2 grey, fully working BUT the aerial signal is bad…

    ... - that transistor direct before the modulator). That way you keep the ...
    ingo ingo June 2010 Hardware
  • Broken ZX Spectrum? :(Hi! I bought a 2nd hand ZX Spectrum half a year ago. It worked perfectly fine when I first tried it. I put it back in its box which it was sent in, …

    ... is something wrong with the modulator... does keyboard click (from the ...
    Factor6 Factor6 June 2010 Hardware
  • Damaged sound-output of the spectrum +3Hallo folks, a few days ago I got a Spectrum 128 + 3, but there might be problems with the sound-output. For comparison I have got a Spectrum 128 + …

    ... a point next to the MODulator. look at the web page ...
    nuggetreggae nuggetreggae June 2010 Hardware
  • Damaged sound-output of the spectrum +3Hallo folks, a few days ago I got a Spectrum 128 + 3, but there might be problems with the sound-output. For comparison I have got a Spectrum 128 + …

    ... a point next to the MODulator. look at the web page ...
    BiNMaN BiNMaN June 2010 Hardware
  • 48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…

    ... the 5V power for the modulator (48K models) improved the screen ...
    roko roko July 2010 Hardware
  • Unknown Spectrum deviceHi! I bought old ZX Spectrum 48K with rubber keys and with it came two devices (and 9 ROM-games! Lucky me!). Another is Interface 2, but another is …

    ... a joystick (kempston) interface + audio modulator. That is, a device that ...
    mcleod_ideafix mcleod_ideafix July 2010 Hardware
  • problems tuning in a new +2Got a new +2 today from eBay, as the last one I 'won' turned out to be a 48k+ that didn't work. Anyway, I've connected it up to 2 TVs, by the Aerial…

    ... open it up where the modulator is , there is a small ...
    fog fog July 2010 Hardware
  • problems tuning in a new +2Got a new +2 today from eBay, as the last one I 'won' turned out to be a 48k+ that didn't work. Anyway, I've connected it up to 2 TVs, by the Aerial…

    ... been modified to bypass the modulator and output a composite signal ... old deteriorated components in the modulator.
    joefish joefish July 2010 Hardware
  • problems tuning in a new +2Got a new +2 today from eBay, as the last one I 'won' turned out to be a 48k+ that didn't work. Anyway, I've connected it up to 2 TVs, by the Aerial…

    ... been modified to bypass the modulator and output a composite signal ... old deteriorated components in the modulator.[/QUOTE]

    you can ...
    fog fog July 2010 Hardware
  • problems tuning in a new +2Got a new +2 today from eBay, as the last one I 'won' turned out to be a 48k+ that didn't work. Anyway, I've connected it up to 2 TVs, by the Aerial…

    ... open it up where the modulator is , there is a small ...
    zx128k zx128k July 2010 Hardware
  • Broken ZX Spectrum? :(Hi! I bought a 2nd hand ZX Spectrum half a year ago. It worked perfectly fine when I first tried it. I put it back in its box which it was sent in, …

    ... ground (metal cover of the modulator). There should be a voltage ...
    ingo ingo August 2010 Hardware
  • Spectrum +2 wantedLooking for a fully working Spectrum +2 Dont need any games but if you got them then they are always welcome addition. I Will need the psu and the o…

    ... the motherboard such as the modulator.
    rustyredline rustyredline August 2010 Wanted
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