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<1…15161718192021…34>
  • RGB SCART Not Working on ZX 128K (heatsink)I've just received a SCART RGB to HDMI converter and it is not working with my ZX 128K (heatsink). I do have the correct 128K SCART cable (which is d…

    ... output an analog RGB signal, which is what your RGB-to-HDMI needs ... primitive conversion to an analog signal. Maybe this is enough for ... TV, but the resulting analog signal might not be standard enough ... have different pin mappings and signal levels. I will need ...
    pkupcik pkupcik July 2010 Hardware
  • RGB SCART Not Working on ZX 128K (heatsink)I've just received a SCART RGB to HDMI converter and it is not working with my ZX 128K (heatsink). I do have the correct 128K SCART cable (which is d…

    ... understand differently the term digital signal. I guess for me ... me is analog. The TTL RGB signal from 128K is technically called ... mine would not show analog RGB signal if they state they're ... analog RGB? Is one device more sensitive than another for signal ...
    pkupcik pkupcik July 2010 Hardware
  • Why is this not invented yet.I know sky plus can record programs onto a harddrive for later watching, replaying, and slow mo etc. This as I think is correct can record one channe…

    ... one or two receivers quickly switching though to different bandwidths at ... lines in an analogue tv signal)

    you would get ... channel. when you demultiplex the signal to watch it you just ... if you multiplex an analogue signal you're going to lose ...
    guesser guesser July 2010 Chit chat
  • Silly question on Russian clonesIv a silly question to ask... Iv been looking at web links about Russian ZX clones with envious eyes, wondering if I might spend money on something…

    ... has no color composite video signal encoder, RGB only. Clones with the ...
    Shiru Shiru July 2010 Hardware
  • RGB to VGA convertor for ZX128/+2/+2A/+3David Luftner release source code (VHDL) of SCANDOUBLER for ZX128/ZX128+2/+2A/+3: [url]http://velesoft.speccy.cz/other/scandoubler-for-zx128_fixed_by…

    ... 'll probably work with the RGB output of a Speccy with ... guess that was just a signal level/termination issue, iirc I ...
    guesser guesser July 2010 Hardware
  • Progress Sprinter resurrectionI've been digging through my HDD once again and found all the docs on the sprinter again (pcb files/schematics/solder plans/bios sources/software etc…

    ... the USA. Finding an RGB PAL broadcast signal capable display device (SCART ...
    Sparky Sparky July 2010 Hardware
  • Progress Sprinter resurrectionI've been digging through my HDD once again and found all the docs on the sprinter again (pcb files/schematics/solder plans/bios sources/software etc…

    ... the USA. Finding an RGB PAL broadcast signal capable display device ( ... seems to only output PAL-RGB ... one possible thing you ... url]) which would take the RGB signal and convert it to Composite ... palcoders" can also translate the signal to 60Hz (even tho that ...
    Shockwav3 Shockwav3 July 2010 Hardware
  • Progress Sprinter resurrectionI've been digging through my HDD once again and found all the docs on the sprinter again (pcb files/schematics/solder plans/bios sources/software etc…

    ... seems to only output PAL-RGB ... one possible thing you could ... [/url]) which would take the RGB signal and convert it to Composite ... "palcoders" can also translate the signal to 60Hz (even tho that ...
    Sparky Sparky July 2010 Hardware
  • Questions about the i-phoneI am considering upgrading my phone to an i-phone when my contract needs renewing with Orange. However, I need to know: 1) Is it an easy / open to …

    ... is constantly switching between gprs and 3g in weak signal areas which ...
    Hercules Hercules August 2010 Chit chat
  • New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…

    ... give a big "plop" signal while switching the computer off or on ... /> 5. You added the beeper signal to the output but not ... the incomming loadig signal. Therefore you will not hear ... the signal while loading from tape.
    ingo ingo August 2010 Hardware
  • Spectrum +2a / +3 SCART LeadsEvening all, Over the past week or so I've tried two different Spectrum RGB SCART leads from two different Ebay sellers, on a Spectrum+2A and a Spec…

    what signal level does scart specify? I ... />
    The speccy outputs TTL RGB and bright signals, so the ... level, and mix the bright signal in. It should also provide ...
    guesser guesser August 2010 Hardware
  • Spectrum +2a / +3 SCART LeadsEvening all, Over the past week or so I've tried two different Spectrum RGB SCART leads from two different Ebay sellers, on a Spectrum+2A and a Spec…

    ... manually switch your TV to RGB mode.
    The spectrum doesn ... autoselecting RGB should be a 1 - 3V signal on the blanking signal pin ...
    guesser guesser August 2010 Hardware
  • Name the Interface!Hello folks Does anyone know what interface this is? It seems well made, with a metal top casing, although no casing underneath. Was is packaged wi…

    ... connecting the speccy to a RGB monitor?[/QUOTE]No, I think ... video signals but no RGB signal. To form RGB from the present signals ...
    ingo ingo September 2010 Hardware
  • Name the Interface!Hello folks Does anyone know what interface this is? It seems well made, with a metal top casing, although no casing underneath. Was is packaged wi…

    ... video signals but no RGB signal. To form RGB from the present signals ...
    LCD LCD September 2010 Hardware
  • Name the Interface!Hello folks Does anyone know what interface this is? It seems well made, with a metal top casing, although no casing underneath. Was is packaged wi…

    ... that it is not an RGB interface.
    And also ... that inverts the /Y signal and realizes an inverting of ... the +/-V signal for each second line.
    RGB-Monitor with maybe a ... right this is a proprietary signal format of only the ...
    ingo ingo September 2010 Hardware
  • Name the Interface!Hello folks Does anyone know what interface this is? It seems well made, with a metal top casing, although no casing underneath. Was is packaged wi…

    ... that it was a TTL-RGB-Monitor with maybe a composite ... interprete the /Y U +/-V signal because if I am right ... this is a proprietary signal format of only the Spectrum ...
    LCD LCD September 2010 Hardware
  • Spectrum +2a / +3 SCART LeadsEvening all, Over the past week or so I've tried two different Spectrum RGB SCART leads from two different Ebay sellers, on a Spectrum+2A and a Spec…

    ... +2A/+3 socket now outputs RGB signals suitable for direct connection ... SCART socket.
    The BRIGHT signal is no longer available as ... will be expecting the BRIGHT signal, so that would certainly explain ...
    spodula spodula September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ... disclaimer: I don't ;) ), RGB signal levels (as used on SCART ... also have the sync signal mixed in, which are ... have to lower the RGB levels. For example by ... resistor divider -> normal RGB levels on SCART side. ... -5V TTL levels for RGB sounds like designed for ...
    RetroTechie RetroTechie September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ... to PIN 20 and Sync Signal to PIN 16, but it ... a slight noise and looses signal every few seconds.

    RGB is done via 180 resistors ... as suggested on the various RGB documentations. Could that be the ...
    pkupcik pkupcik September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ...
    [B]+2A[/B]
    RGB on DIN: 2.35V
    RGB at 1.67V, yet mine ...
    [B]+128K[/B]
    RGB on DIN: 3.3V


    Again, the RGB values on SCART should be ... 16: 4.89V
    Function Switching on SCART 08: 12.4 ...
    pkupcik pkupcik September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ... to me. [/QUOTE]
    The RGB signal is constantly varying, You won ... don't understand why the RGB voltage of 2.35 is ...
    guesser guesser September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    [QUOTE=guesser;474586]The RGB signal is constantly varying, You won' ... is using the SCART provided signal and then measure (e.g ...
    pkupcik pkupcik September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ... 18. With that solution the signal no longer drops. I also ... imperfection on the 128K SCART RGB signal is that it has vertical ... be something wrong with the RGB signal? The cable is using R180 ... the online 128K RGB documentation. Could that cause the signal to be ...
    pkupcik pkupcik September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ... how to improve the 128K signal to remove the vertical ghost ... of capacitor help on the RGB signal lines? I tried to use ... "Ingo's" RGB enhancement schematics that he posted ...
    pkupcik pkupcik September 2010 Hardware
  • +3 issues....Hello All I came by a couple of +3's on ebay and I'm having issues with them. Since I only ever owned a rubber key, thought someone might be able to…

    ... say that, I have an RGB to scart lead. When I ... it to pick up the signal, there's been a few ...
    BiNMaN BiNMaN September 2010 Hardware
  • Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…

    ... .ambery.com/rgbcgatovgac.html"]this RGB to VGA adapter[/URL]. Now ... any NTSC VGA monitor. The RGB circuit needs to be the ... cable, and the composite sync signal from DIN8 pin 4 needs ... able though to get the RGB to VGA device work with ...
    pkupcik pkupcik September 2010 Hardware
  • scart wiring?I've got rid of an old TV recently, and when pulling the scart splitter box out of it , the plate came off it and I have 2 wires that aren't attached…

    ... scartsplitter don't have the RGB pins connected? Try putting The ... your TV can receive an RGB signal).
    MinerWilly MinerWilly September 2010 Chit chat
  • ZX ULA Book releaseThe book is complete and with the printer. Once the proof copy is back and checked, and assuming no changes are required, I'll start shipping all you…

    ... often contains less information than RGB for various reasons (as ... the TV never restores the RGB quite like the original ... clamping I mentioned, the composite signal of course suffers from bandwidth ... 've perhaps ment the final signal, not the equations, though ...
    Patrik Rak Patrik Rak September 2010 Sinclair Miscellaneous
  • Help needed +2 pleaseI have a 128k+ that when powered up through the rgb or aerial connection just shows a black screen. But I can still see the list of options and run d…

    ... that will only accept the signal through av2, CodenameV had the ... had to fiddle with the rgb settings on his TV.
    BiNMaN BiNMaN October 2010 Hardware
  • zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…

    after switching it on again , it looked ... I cant even get a signal on the tv ,
    so ... RF module , but still no signal
    regulator out voltage = 4 ...
    ZXZaber ZXZaber October 2010 Hardware
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