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  • 128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…

    ... />
    When using the Composite method the quality of all 3 TVs ... 128K which greatly improves the Composite Video signal since you can ... only you can clear the (composite) video signal from the ... ruin anything, just correct the composite video-out!
    I don ...
    geosiou geosiou November 2014 Hardware
  • 128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…

    ... regarding the quality of the RGB being way better than composite. I ... better route to go than composite I assume? It would give ... other. I could pigtale a composite lead at the 15 pin ...
    RSwipeCA RSwipeCA November 2014 Hardware
  • 128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…

    ... />
    When using the Composite method the quality of all 3 TVs ... 128K which greatly improves the Composite Video signal since you can ... only you can clear the (composite) video signal from the ... ruin anything, just correct the composite video-out!
    I don ...
    RSwipeCA RSwipeCA December 2014 Hardware
  • 128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…

    ... color is there. The picture quality like you all say isnt ... doesn't like the 128 composite signal I tried all different ...
    RSwipeCA RSwipeCA December 2014 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…

    ... resistor but as I understand, composite switches from 0-.4 v ... wired with pin 17 scart (composite video ground) so not sure ... a small amount of picture quality loss.
    Ox. Ox. January 2015 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…

    ... resistor but as I understand, composite switches from 0-.4 v ... wired with pin 17 scart (composite video ground) so not sure ... a small amount of picture quality loss.[/QUOTE]

    I ...
    chinnyhill10 chinnyhill10 January 2015 Hardware
  • Cooking toastrack... the dreaded smellI powered up my Spectrum 128 (heatsink model) yesterday only to see what looked like an out-of-tune picture on the television. I'm using a scart adap…

    I received this Spectrum for repair yesterday.

    It's a happier Spectrum now. :) (excuse the picture quality, it's using composite video)

    [IMG]http://www.mutant-caterpillar.co.uk/ian_stuff/Toasty_not_burny.jpg[/IMG]
    Spirantho Spirantho February 2015 Hardware
  • simple way to connect expansion port to SCART?I know there is the SPECTRA interface but this one does so much more than i really need.... also: having modified the 48k rubbberkey following this …

    At a guess that interface could be demodulating the RGB from the composite signal, much like the TV has to? Which would not give you the sort of quality you'd usually expect from an RGB connection.
    RobeeeJay RobeeeJay July 2015 Hardware
  • simple way to connect expansion port to SCART?I know there is the SPECTRA interface but this one does so much more than i really need.... also: having modified the 48k rubbberkey following this …

    ... demodulating the RGB from the composite signal, much like the TV ... give you the sort of quality you'd usually expect from ...
    1024MAK 1024MAK July 2015 Hardware
  • ZX81 Composite Mod<p>I've done a simple composite mod to my Issue 3&nbsp;ZX81 following a basic schematic I found on one of the ZX81 forums. Mod consists of a BC547, 1…

    ... source and back to the composite to get again the right ... really excellent (even colour) picture quality otherwise. He told me that ...
    jimre jimre July 2015 Hardware
  • Composite Video Mod Capacitor ValueCouldn't find any thread where this has been asked before but I'm not convinced the search in this forum is the best...:) Due to the recent retire…

    ... not there to improve signal quality, but to prevent a DC ... does not comply with the composite video "standard". So this upsets ...
    1024MAK 1024MAK July 2015 Hardware
  • Newbie Hardware QuestionsI just recently aquired my first Spectrum, a +2, and I'm in the process of getting acquainted with it. Being a newbie I had some questions, which …

    ... you using csync or the composite video to the GBS's ... a great deal variability in quality, which explains why some people ...
    Questarian Questarian August 2015 Hardware
  • Composite mod vs interfaceHey all, I was looking at the pinout for the edge connector of the zx and noticed that there are composite and component video signals available thro…

    ... link is not fitted, the composite video signal is not available ... edge-connector.

    The quality is a little bit worse ... present, you can use the composite video signal at the edge ... /> The advantage of doing the composite video signal mod. Is that ...
    1024MAK 1024MAK August 2015 Hardware
  • ULA 1E7 in 3B board?Hi all. Any comments on the following would be appreciated. I have an issue 4a and an issue 3b Spectrum. While having a look around inside the 3b …

    ... ideal for a composite modded Speccy. They are good quality branded one ...
    Your Spec-chum Your Spec-chum September 2015 Hardware
  • Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…

    ... mini DIN socket, altogether with composite - in ONE socket !!! - so that ... high quality 15 kHz (edit: PROGRESSIVE = 288P!!! NO 576I PLEASE!!!) composite video ...
    maiki maiki November 2015 Emulators
  • Bluetooth ZX Spectrum - I may be alone, but I love it!Playing Hungry Horace on a big telly with this on my lap made me feel like a teen again! Happy happy days! Anyone else feel the love for it?

    I could be wrong, but dosen't the composite signal at the edge connector suffer with noise/poor video quality?
    Your Spec-chum Your Spec-chum November 2015 Hardware
  • Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…

    Trying to improve picture quality you can do the following:< ... pin). solder it to the composite output pin of the Spectrum ... so on while observing picture quality.At the end solder this ... pin that gives best picture quality.

    Greets Ingo ...
    ingo ingo December 2015 Hardware
  • Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…

    ... is that voltage levels in composite video signal drop (=darker), not ... replaced. For the best picture quality, use low ESR capacitors for ... value of series capacitor in composite video output. 47uF may work ...
    1024MAK 1024MAK December 2015 Hardware
  • Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…

    ... noticed two benefits on picture quality:

    - If I crank ... according to rga24 specifications, so composite video mod will surely suffer ...
    Renegade Renegade December 2015 Hardware
  • A tally on the number of successful builds of the Harlequin[SIZE=4][COLOR=Green][U][B]A tally on the number of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE] Please post your successes below :-) …

    ... .
    But the composite output is very good quality in the meantime ...
    -B- -B- January 2016 Hardware
  • Small batch of ZX-Unos outside SpainI am a member of the ZX-Uno team. We have launched a sucessfully crowdfunding campaign of 250 ZX-Uno, but they are all sold (mostly in Spain). I apol…

    The samsung TV was connected on VGA input because I've made the cable. This TV also supports PAL (composite), but the quality is not as good as VGA. The CRT TV is connected to composite and the quality is very good
    antoniovillena antoniovillena May 2016 Sales
  • ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …

    ... similar vein . He writes:- "RCA composite video connector seems weak ,caution ... /> Yes I suppose "early" build quality of our version of the ... not known .If there are quality issues and ports fall off ...
    harriusherbartio harriusherbartio June 2016 Hardware
  • ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …

    ... is a combined (or "composite") synchronisation signal and ground. ...
    In terms of quality of picture, the order is ... and other problems
    Composite Video colour - acceptable, but ... have colour artefacts
    Composite Video monochrome (black and ...
    1024MAK 1024MAK June 2016 Hardware
  • A focus on old TVs for 48k spectrums The old 48k Spectrum is becoming harder to use "display wise" in its original state. This thread is about retaining originality and not going down …

    ... the instructions.

    The quality of universal remote controls does ... remote control.

    The composite mod where you just disconnect ... capacitor between this and the composite video connection has been known ...
    1024MAK 1024MAK July 2016 Hardware
  • A focus on old TVs for 48k spectrums The old 48k Spectrum is becoming harder to use "display wise" in its original state. This thread is about retaining originality and not going down …

    ... RF and the UNO via composite then they shouldn't interfere ... need you to select the composite A/V channel to view ... I meant to say was, composite gives you a clearer picture ... devices to composite (or SCART, if available) for the best picture quality.
    joefish joefish July 2016 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…

    ... did this mod and the quality is awesome.
    But as ... other modifications, I lose the composite output, right? Mine stopped working ...
    asapreta asapreta July 2016 Hardware
  • ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …

    ... spare room

    2) Composite has proved to be more ... of ground in terms of quality of display . I think this ... point that Mark mentioned , The quality is very good on a ... covers the ground but the quality is not always that good ...
    harriusherbartio harriusherbartio July 2016 Hardware
  • Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…

    ... mA draw.
    * RF -> composite video mod (making sure to ... RF modulator!). Beside better image quality, this takes out the RF ...
    RetroTechie RetroTechie August 2016 Hardware
  • Shakespeare - Twelfth Night cover missing / found onlineI note the cover to [url="http://www.worldofspectrum.org/infoseek.cgi?regexp=^Shakespeare+%2d+Twelfth+Night$&pub=^Penguin+Study+Software$&loadpics=1"…

    If it doesn't exist, then a new version of the cover could be made by using a composite from a high quality scan of one of the other plays in the series. It wouldn't be 100% authentic but it would be better than nothing.
    SteveP SteveP September 2016 MIA/STP/SDP
  • What to buy +2, +2A, +2B, +3??Hi all I've always wanted to buy a 128k Spectrum and I've seen some lately in eBay going for cheap. The 128K+ is expensive I understand because of…

    ... of which makes the composite video output poor quality.

    There ... reduce the interference to the composite video signal caused by the ... output which also affects the composite video signal for no good ...
    1024MAK 1024MAK October 2016 Hardware
<1…11121314151617…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
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Related Threads

  • Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
  • video quality issue on 48k machine after composite modHello! I just bought an 48k spectrum and did the composite mod. Unfortunately it did not end up as good as i hoped for. The screen after reset looks …
  • RGB or Composite out of a Spectrum Plus?Anyone know of a way?<br /> <br /> I dont mind soldering ect. I also heard that their was composite on the expansion bus(Anyone confirm?)<br /> <br …
  • blurred visionnot from the drink I might add, ahem. :D<br /> <br /> If I try to veiw my speccy(s) using a TV card in a PC I do not get a clear picture ( kinda blur…
  • No TV/composite picture on Spectrum 128KI have a heatsink-type Spectrum 128 that doesn't produce a picture any more, neither on the TV nor on the composite port. Apart from that, it seems t…
  • Crappy composite/TV signal on grey +2 machineI got a grey +2 machine from eBay a couple of days ago. It's working fine, but both the TV signal and the composite signal taken from the monitor con…
  • Composite Signal from Spectrum 48kHi,<br /> <br /> Just a quick question for you all.<br /> <br /> I have a nice new LCD Monitor which has Scart. composite and S-Video inputs on it an…
  • Composite video on SPectrum 48KHi all<br /> I'm in Australia, and recently had a Speccy 48K sent over to add to my collection. I have had very little to do with Speccys (it was mos…
  • Composite Video on a 128+2AAny one know of any links or information on getting a composite video image out of my spectrum 128+2A.<br /> <br /> I know its not the same procedure…
  • Look at the quality online tv could be now ???Follow the link i promise u u will be surprised at the quality have a look at the matrix trailer. name check for Malc at CPCZone for the link<br /> <…

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