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Search Again :: Adv Search 1000 results in 0.014s
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  • Crappy video in +2B/+3Maybe it's not a failure in my ZX Spectrum, but I need some advice... I've got some spectrums (a ZX Spectrum +, two spanish ZX Spectrum +2B and a mo…

    ... of 12V
    - Add a capacitor of at least 22uF in ... lowering to +5v, but the capacitor will wait another week (shops ... conjunto y la salida de video est? bien referenciada)?
    Zup Zup March 2010 Hardware
  • Crappy video in +2B/+3Maybe it's not a failure in my ZX Spectrum, but I need some advice... I've got some spectrums (a ZX Spectrum +, two spanish ZX Spectrum +2B and a mo…

    ... removing anything.

    The capacitor will remove the DC component ... USB capture device has a capacitor at its input so it ... video signal has.

    So, if you cannot use a capacitor ... I was poking its composite video output)

    ---
    ...
    mcleod_ideafix mcleod_ideafix March 2010 Hardware
  • Image to ZX Spec 1.1 Now Freely Available!Image to ZX Spec 1.1 Now Freely Available! [IMG]http://mirror.viperfang.net/silentdevelopments/images/ent-preview1.1.zx.png[/IMG][IMG]http://mirror.…

    ... absolute rubbish and it's replacement JMC isn't due until ... , in short cross platform avi video codec support is very very ... related note the tap file video quality I attached earlier converts ...
    LCD LCD March 2010 Announcements
  • Crappy video in +2B/+3Maybe it's not a failure in my ZX Spectrum, but I need some advice... I've got some spectrums (a ZX Spectrum +, two spanish ZX Spectrum +2B and a mo…

    ... with a 22uF capacitor: black screen (NOT blue, so video output generating ... some signal).
    - Lower voltage with capacitor: still ... ), but still same quality. With capacitor, I get a "blue screen ...
    Zup Zup March 2010 Hardware
  • replacing damaged zx-spectrum board with an altera-based cloneAfter knowing and trying altera-based hardware clones like C-One, 1ChipMSX, those so popular famiclones (NOAC) - it seems there are some similar abou…

    ... broken, they'd need a replacement keyboard foil, and possibly ... /> You have similar issues wih video (RGB/VGA vs. #YUV / ... comp.video), storage (MMC/SD cards vs ... t be the problem, replacement keyboard foils exist, replacement faceplates exist, so ...
    RetroTechie RetroTechie March 2010 Hardware
  • Scart/Composite output for 48K SpectrumHas anybody been able to achieve a Scart or Composite out put for a 48K Spectrum? If not, this is a badly needed modification. Modern TVs are not cut…

    ... 2008/11/zx-spectrum-composite-video-mod.html"]http://womblesretrorepairshack. ... /2008/11/zx-spectrum-composite-video-mod.html[/URL]
    ... Swedish fix that uses a capacitor instead:

    [URL=" ... question is, what does the capacitor do for us, and ...
    joefish joefish April 2010 Hardware
  • Scart/Composite output for 48K SpectrumHas anybody been able to achieve a Scart or Composite out put for a 48K Spectrum? If not, this is a badly needed modification. Modern TVs are not cut…

    ... Swedish fix that uses a capacitor instead:

    [URL="http ... .[/QUOTE]I build the S-Video from this side. Very good ...
    -Micky -Micky April 2010 Hardware
  • Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky

    ... might like a plug-in replacement for the Speccy's lower ... versions yet (or touched the video circuitry, apart from disabling the ...
    RetroTechie RetroTechie 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…

    ... my 48K to give Composite Video straight out of its UHF ... even had to get a replacement portable TV so that I ...
    Alien 8 Alien 8 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…

    ... my 48K to give Composite Video straight out of its UHF ... even had to get a replacement portable TV so that I ... R/F output with a video (yellow) phono port with my ...
    tokyoracer tokyoracer April 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 …

    ... big improvement and is the perfect partner for a composite video picture ...
    Alien 8 Alien 8 May 2010 Hardware
  • ZX 48K loudspeaker with 8 Ohm possible?Is it possible to change the loudspeaker from the ZX 48K with a model which has only 8 Ohm? Micky

    ... picture my +3 was no improvement over the VIC 20 that ... 48K was having the composite video mod done.
    Alien 8 Alien 8 May 2010 Hardware
  • +3 ProblemsI have been having a few problems with my +3 and I am wondering if anyone can help or give me some advice: 1. I have 2 blank disks which I have save…

    ... cut out the capacitor that mixes audio and video (so you'll ... get clear video without audio ... ); or you could build a composite video output ...
    Zup Zup May 2010 Hardware
  • I'm thinking of buying a laptop...I've never had a lap top before and I've been toying with the idea of buying one for a while now. I don't fancy a second hand one (they are very easy…

    ... found a HowTo video on YouTube about keyboard replacement. So bought a ...
    Geoff Geoff May 2010 Chit chat
  • damaged spectrum+ (blinking squares)Hi, Sorry for my poor english, but I couldn't find on family forums any remedy for my hardware problem with my first speccy in my life :) I've bought…

    ... voltage conversion circuitry that serves video + lower 16K RAM chips (4116 ... on this forum which lists replacement types for the transistors). And ... to insert a quick, temporary replacement for that lower 16K in ...
    RetroTechie RetroTechie 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…

    ... They brushed up the video stage needed for the ZX81 ... -out of the existing video signal is low enough ... mtrs. (When we consider video as a 10 MHz ... 390 Ohm) via a large capacitor, then such load (loudspeaker?) ...
    The '75 Ohm video' is no real load concerning ...
    roko roko 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…

    ... 'Elektuur'. They brushed up the video stage needed for the ZX81 ... a b&w composite video signal directly out of an ... component, so I added a capacitor to above circuit. I found ... good without a series capacitor. Adding/removing that capacitor is so easy ...
    RetroTechie RetroTechie 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…

    ... , pin 2 ground) BUT the video is horrible..... Vertical yellow or ... ? My clumsiness, some capacitor expired, or the infamous video transistor mounted twisted ...
    Cignale Cignale 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…

    ... to worry about to the "video transistors backward mounted on +2 ... capacitor (C31 = 20pF) that adds the audio carrier to the TEA2000 video ...
    ingo ingo June 2010 Hardware
  • How to fix dc voltage on a 48+ psuAfter dinner, after a womble video out mod on a "new" purchased 48+ , just in the remaining time I tested the voltage of its psu and, surprise surpr…

    ... ]After dinner, after a womble video out mod on a "new ... were 4 diodes and a capacitor... No reostate (I hope this ...
    guesser guesser June 2010 Hardware
  • Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…

    Could have to do with aging, in that case most probably the electrolytic decoupling capacitors around the video chip are suspects. As fast experiment you can safely try a known good capacitor in parallel with existing ones.
    roko roko July 2010 Hardware
  • Who can repair a 48K Spectrum?My Spectrum is broken, please see: [url]http://www.worldofspectrum.org/forums/showthread.php?t=29351&highlight=7805+heat+sink&page=2[/url] Does anyb…

    ... Spectrum + with composite video conversion as a replacement, but at some point ...
    Alien 8 Alien 8 August 2010 Hardware
  • BITWISE operators...Hi Folks, Another question - is there a way (fast) to do bitwise operations in Sinclair BASIC? Many thanks Paddy

    ... QL with an open source replacement ROM. Not sure what the ... ROM that uses the shadow video RAM to give you about ...
    chev chev August 2010 Sinclair Basic
  • SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…

    ... this is to be a replacement OS (eventually) then will access ... to interface with fixed disks, video cards and not much else ...
    Dunny Dunny August 2010 Sinclair Miscellaneous
  • 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…

    ... not indeed. It has a capacitor in series to that pin ... have there also the composite video or better the composite sync ...
    ingo ingo 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…

    ... pin16 is connected to composite video 1,2V.

    AFAIK ... , composite video is not 1,2V. it ... about to try it with capacitor and sync on cpc464, like ...
    orange orange 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…

    ... pin16 is connected to composite video 1,2V.

    AFAIK ... , composite video is not 1,2V. it ... about to try it with capacitor and sync on cpc464, like ... time did not get any video signal. Maybe it needs more ...
    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…

    ... needed. Or would connecting a capacitor to the CSYNC or CVBS ... . I tried connecting both Composite Video and Composite Sync to SCART ...
    pkupcik pkupcik September 2010 Hardware
  • Compact Flash adapterIm think about getting "making if I have too" a cf adapter what does everyone else use ? any info would be great... so far I found a diy "simple" i…

    ... connector!!!! oh, and a decoupling capacitor. I use that in a ... ?) + you say capacitor (?)

    Also looking at the video over here ...
    maiki maiki September 2010 Hardware
  • Amstrad CPC - VIDEO OUTHello peepiekins, Erm, is there an arrangement of leads that'll allow me to... wait for it... ...turn the cable that usually plugs into the monitor…

    ... RGB (I might try the capacitor listed on that page though ... which has composite and S video input. Scart just won't ... to convert that to S-video, then I'd be onto ...
    Graz Graz September 2010 Chit chat
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Latest Posts

  • I am currently watching.....
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    John Elliott on April 21
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    rich_chandler on April 21
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