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<1…18192021222324…34>
  • Recreated Spectrum .What do we get for the "now" (Aug 2017) best retail price of around £35?Well best/ cheapest retail prices can vary a bit so I thought it best to be specific. At this £35 price ,is it a good deal and what do we get ? A…

    ... separate out the audio and video signal.
    ------------------------------------------------------------------------------------------------------------------------------------------------

    In the ...
    harriusherbartio harriusherbartio August 2019 Hardware
  • Better graphic in new ZX gamesLCD TV (ideally full hd) used with ZX Spectrum enable using new graphic modes with 2x higher vertical resolution, more colors and without attribute c…

    ... changes the properties of the video signal or anything (not possible with ...
    Hikaru Hikaru September 2019 New game ideas
  • Better graphic in new ZX gamesLCD TV (ideally full hd) used with ZX Spectrum enable using new graphic modes with 2x higher vertical resolution, more colors and without attribute c…

    A standard video signal isn't likely to bounce ...
    AndyC AndyC September 2019 New game ideas
  • Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …

    ... a great job handling the video signals better than modern LCD ... . Maybe I'll do a video on monitor types in a ... directly, I'm not a video signal expert, but I don't ...
    llopis llopis January 2020 Hardware
  • Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …

    ... know that CVBS (and S-video) signal undergo an enhancement treatment by ... any make-up to the signal source is also a ... s-video signals coming from different machines.
    128K CVBS signal ... looks better than 48K CVBS signal because of the ...
    Renegade Renegade January 2020 Hardware
  • Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …

    ... directly, I'm not a video signal expert, but I don't ... YUV but it seems the signal coming from the Spectrum can ...
    Renegade Renegade January 2020 Hardware
  • Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …

    ... directly, I'm not a video signal expert, but I don't ... it to S-Video, rather than RGB. The luma signal stays as ... ) back into a valid chroma signal. Not sure if it’s ...
    Ast_A_Moore Ast_A_Moore January 2020 Hardware
  • Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …

    ... directly, I'm not a video signal expert, but I don't ... YUV but it seems the signal coming from the Spectrum can ... that.[/quote]
    The YUV video signals inside a ZX Spectrum ... component video signals that some TVs have inputs for. The signal levels ...
    1024MAK 1024MAK January 2020 Hardware
  • Should I get a NEXT?Despite my having wanted one almost since I heard about it, I'm beginning to wonder whether it would be an extravagance, 'cos its sure to cost a fair…

    ... accurate processor AND generate a video signal AND generate three channel sound ...
    1024MAK 1024MAK March 2020 Chit chat
  • Miscellaneous ZX81 stuffI was not sure where to put this . As it is not Speccy related I had a dilemma . Should it go in Chit Chat . But then I had a better idea : if I call…

    ... to invert the /Y video signal on pin 16 underside of ... the normal ZX Spectrum composite video signal through a ZX8CCB, as even ... white picture, the colour carrier signal is still present. And ... will completely remove the carrier signal.

    [b][i ...
    1024MAK 1024MAK March 2020 Sinclair Miscellaneous
  • Miscellaneous ZX81 stuffI was not sure where to put this . As it is not Speccy related I had a dilemma . Should it go in Chit Chat . But then I had a better idea : if I call…

    ... manual says "Integrate a small video jack (3.5) between the ...
    [*]Yellow wire for the video signal from the ULA
    [*]Black ... ][*]Brown wire for the composite video output
    [*]Black wire for ...
    1024MAK 1024MAK March 2020 Sinclair Miscellaneous
  • 48k Spec with composite video mod, screen adjustment possible?I've had a 48k Speccy with a composite video mod for a few years now, and although it works perfectly otherwise, the screen isn't centered correctly …

    ... time between the horizontal synchronisation signal pulse (part of the ... the visible part of the video signal. And if anything, it’ ... not like the non-broadcast video signal generated by the Spectrum. But ... similar in terms of the signal timing.

    [b ...
    1024MAK 1024MAK August 2020 Hardware
  • New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…

    ... in the quality of the video signal.
    In my case, when ...
    Renegade Renegade November 2020 Hardware
  • ZX80 in a BoxAfter putting a [url="https://worldofspectrum.org/forums/discussion/57916/spectrum-in-a-box#latest"]Spectrum in a Box[/url] a while ago, I thought it…

    ... the two wires for improved video output (white and grey) from ... horizontal tearing. I checked the video signal with an oscilloscope and found ... own extension to the original video circuitry, which provides an improved ...
    xelalex xelalex January 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…

    ... to test the comp. sync video signal? if this is faulty how ...
    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…

    ... the status of my composite video signal (pin 1 on the ... (ground) the signal was not good (the signal was distorted black ... /> good news, fixed the composite video signal, now is having color and ...
    bad news, no signal and black signal for the GBS-8200 ...
    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…

    ... /> -make all the cable connections (video signal) turn on the GBS and ... then i got a "no signal" from the GBS

    xaris_sm xaris_sm April 2021 Hardware
  • Who's NEXT?How about having a category just for Spectrum NEXT owners? I got mine on Monday, its the original issue, plain jane and quite enough for me to ge…

    ... instead it creates a live video signal just like the original machines ... timing relationship between z80 and video so that spectrum programs that ... lot like the NTSC ts2068 video-wise. 60Hz is only meant ... by holding down V. The video card will step through VGA ...
    Alcoholics Anonymous Alcoholics Anonymous September 2021 Sinclair Miscellaneous
  • Two new spectrums arrived. One no video.Got a +2 and a Toastrack arrived today. Toastrack was actually in good condition, little wear, though a little dirty. Worked well on first power up, …

    ... get warm. how is the video signal ?? if using composite there is ... from the audio sub carrier signal that is for the RF ...
    mark8bit mark8bit September 2021 Hardware
  • 5C Horizontal timing vs 6C horizontal timing.Hi all, Just considering the timing difference in the video signal between the 5C and the 6C where the 6C ULA seems to have 50% longer horizontal …

    ... colour burst part of the video signal was improved in the 6C001E ... done, it means the whole video picture is effectively started slightly ... being closer to the PAL video signal specification, the 6C001E ULA versions ...
    1024MAK 1024MAK October 2021 Hardware
  • 5C Horizontal timing vs 6C horizontal timing.Hi all, Just considering the timing difference in the video signal between the 5C and the 6C where the 6C ULA seems to have 50% longer horizontal …

    ... colour burst part of the video signal was improved in the 6C001E ... done, it means the whole video picture is effectively started slightly ... being closer to the PAL video signal specification, the 6C001E ULA versions ...
    cj7hawk cj7hawk October 2021 Hardware
  • Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…

    ... They both take in component video (although different signals) and ... ‘Chroma’ part of the signal (although the TEA2000 combines the ... other hand, will the video signals on the expansion bus ... order to output a NTSC video signal, apart from the different crystal ...
    Renegade Renegade March 2022 Hardware
  • RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…

    ... />
    My suspicion is the video output could be a tad ... the ChinnyVision videos dislikes the signal and keeps cutting out (I ... have always suspected its high video levels).

    I could ...
    chinnyhill10 chinnyhill10 January 2015 Hardware
  • 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…

    ... I take a signal from the
    CVBS Composite Video ( PAL, 75 ...
    Anonymous Anonymous April 2001 Sinclair Miscellaneous
  • Speccy +2 RGB to S-video?Okay, so I emigrated from dear old Blighty to a land rather less Speccy-friendly, the USA. I've finally managed to get a couple of Speccies over here…

    ... . Naturally, using an RF (PAL) signal is not high on my ... the signal can be sent to an NTSC S-video socket that ...
    Jazzbeaux Jazzbeaux July 2002 Sinclair Miscellaneous
  • s-video SuccessHaving tried the various composite video fixes for the +3 etc, I was left feeling a little cold at the results, and was about to give up my quest for…

    Having tried the various composite video fixes for the +3 ... construct an RGB to s-video converter.

    ... still 400% on RF video and at least 200% ... below resistor R34. (the signal at the Peritel is to ... allows for a composite signal, just in case you ...
    dasteph dasteph April 2004 Sinclair Miscellaneous
  • Composite Signal from Spectrum 48k Hi, Just a quick question for you all. I have a nice new LCD Monitor which has Scart. composite and S-Video inputs on it and I'm using some of my …

    ... Scart. composite and S-Video inputs on it and ... and get a composite signal from the RF modulator ... can get a composite signal from the edge connector ... interface to include a composite video connection.

    ... the fact that the signal from the edge connector ...
    Deano7649 Deano7649 November 2004 Sinclair Miscellaneous
  • Composite video mod on a 16K issue 2, not workingI carried out the composite video mod detailed here: [url]http://user.tninet.se/~vjz762w/fixuspec.html[/url] I chose the one that requires the trans…

    I carried out the composite video mod detailed here:
    [url] ... which outputs a true 75ohm signal. I managed to unmount the ... difference? I double checked the video in and +5V lines by ...
    patters patters September 2006 Hardware
  • ZX81 Composite Video Mod?Hello. Does anyone know how to modify a ZX81 to output composite video as opposed to a modulated RF signal? I believe it can be done with one trans…

    ... output composite video as opposed to a modulated RF signal?

    chaoticjelly chaoticjelly August 2007 Hardware
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Latest Posts

  • I am currently watching.....
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