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Search Again :: Adv Search 1000 results in 0.014s
<1…16171819202122…34>
  • PAL-I to PAL-B on a grey +2Hello. A friend brought over a grey +2 from the UK. The tv sets over here are PAL B/G and i can't tune the sound because of the frequency of the sou…

    ... one 15pF (or 22pF) ceramic capacitor between mc1376 pin7 and GND ... = Pin1 you can place the capacitor between pin 7 and pin ... of the +2 from its video plug.

    Ingo ...
    ingo ingo December 2008 Hardware
  • 4116 DRAM for 48KSomeone told me I got faulty RAM in my broken 48K. They should be 150ns, right? What would be a good place to buy them from?

    ... used, but only in the video circuitry. In there, exact voltage ... DRAMs are used (eg. as video memory for a TMS9918 chip ... small PCB as plug-in replacement
    RetroTechie RetroTechie December 2008 Hardware
  • Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…

    ... additional transistor (BC547) and the video input of the TV set ... before or after the 100uF capacitor (it should make no difference ... of black notch in the video signal.

    The resistor ...
    ingo ingo January 2009 Hardware
  • 128k heat sink - ULA problems and a hintHello, I had two ZX Spectrum 128k with a similar behaviour. One item worked only a short time after switching on and then there were increasing RAM …

    ... divIDE is not connected
    [*]Video is solid (does vary a ... board may be a good replacement for the 7805 if you ...
    BloodBaz BloodBaz January 2009 Hardware
  • Recommend Monitor for Speccy +2Just bought a speccy +2 to play on in my studio on downtime, can anyone recommend a good RGB monitor for it?? as the TV signal is a bit migrane indu…

    ... has VGA in, composite, S-Video, UHF and SCART inputs. It ... starting to look for a replacement.
    What possibilities would it ...
    thomas3120 thomas3120 February 2009 Hardware
  • Hip ReplacementI've been offered a ceramic on ceramic hip replacement and told to "go away and google it and get a list a questions". For a chap in his 30's it seem…

    ... things have seen a huge improvement.

    1: Bone wears ... adhesive used to attach the replacement into the femur used to ...
    Kilby Kilby February 2009 Chit chat
  • Component count/modern replacementsThere is a thread/project for replacing the old memory with simms There is also the ULA replacement. There's DEATH's composite replacement. What els…

    ... unleashed but it was an improvement on the issue 1, neater ... new board would be an improvement.

    I couldn't ... />
    As to the composite replacement in 16/48, people are ...
    dekh dekh February 2009 Hardware
  • Component count/modern replacementsThere is a thread/project for replacing the old memory with simms There is also the ULA replacement. There's DEATH's composite replacement. What els…

    ... new board would be an improvement. [/QUOTE]
    Thanks for ... . IMHO this is not an improvement, regarding long term maintenance. < ... recall, ULA6 into ULA7, and improvement of the voltage convertor in ... br /> As to the composite replacement in 16/48, people are ...
    roko roko February 2009 Hardware
  • issue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…

    No the capacitor i`ve used as a replacement is a brand new ... is no reason for the capacitor overheating/overloading.
    adekav adekav March 2009 Hardware
  • Awful image on 128K +2B / CV mod not workingHello, My two +2 B output a terrible image through RF. Lots of shadows and moir&#233; patterns. One is slightly better than the other, but really ba…

    ... just to tell me the capacitor number. I have done the ... time to fix the composite video output on the +2. Thanks ...
    memrah memrah March 2009 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…

    ... a PAL Speccy with composite video into a NTSC and a ... 60Hz) and added a eletrolitic capacitor 100uF x 16V(the positive ...
    Fred Fred April 2009 Hardware
  • Windows Vista?I'm having real trouble finding a decent spec. laptop that has Windows XP on it, it's all Vista Vista ****ing Vista. I've down (well, let's be honest…

    ... RAM gobbler, is a vast improvement on a single bitmap for ... get that horrid 80's video feedback effect when you drag ... as to prevent flickering. The video card, assuming it's halfway ...
    JamesW JamesW May 2009 Chit chat
  • Windows Vista?I'm having real trouble finding a decent spec. laptop that has Windows XP on it, it's all Vista Vista ****ing Vista. I've down (well, let's be honest…

    ... RAM gobbler, is a vast improvement on a single bitmap for ... get that horrid 80's video feedback effect when you drag ... as to prevent flickering. The video card, assuming it's halfway ...
    beanz beanz May 2009 Chit chat
  • Opus DiscoveryI've got an opus dicovery 1 with 2 x 3 1/2" drives. I used it many times on my 48k but it doesn't work with my 128k toastrack. It also had some sort …

    ... also had some sort of video out on it as well ... , never colour.[/QUOTE]
    The video is just the Y signal ... there is no real improvement possible, but video on Spectrum can be ...
    roko roko July 2009 Hardware
  • TV output from original +2I've modified my 48K Spectrum to output composite, and I have it working here in Japan on my old monitor (X68000). Hopefully my parents will bring ov…

    ... way to eliminate it: locate capacitor C24 in your Spectrum PCB ... capacitor) and remove it. This is the responsible of mixing the video ... 75 ohm resistor, and a capacitor.
    mcleod_ideafix mcleod_ideafix September 2009 Hardware
  • TV output from original +2I've modified my 48K Spectrum to output composite, and I have it working here in Japan on my old monitor (X68000). Hopefully my parents will bring ov…

    ... way to eliminate it: locate capacitor C24 in your Spectrum PCB ... capacitor) and remove it. This is the responsible of mixing the video ... always had noise on the video signal (and elsewhere on the ...
    guesser guesser September 2009 Hardware
  • RBG monitor for Spectrum?I'm using a very old TTL RGB monitor with my Spectrum, with a RGB adapter that I made many years for my Sinclair QL. It works perfectly with my QL, b…

    ... hex inverter with a decoupling capacitor on the power for the ... 's inverting one of the video signals. It works perfectly with ... my QL, and the video is rock solid, with no ...
    KatManDEW KatManDEW September 2009 Hardware
  • Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…

    ... />
    I assume no composite video mod (like [URL="http://womblesretrorepairshack ... video encoder IC (LM1889, very common - should be easy to find replacement ... ), or an ULA with damaged video output(s ...
    RetroTechie RetroTechie September 2009 Hardware
  • Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…

    ... /> [QUOTE]I assume no composite video mod (like [URL="http://womblesretrorepairshack ... video encoder IC (LM1889, very common - should be easy to find replacement ... ), or an ULA with damaged video output(s ...
    cycyc cycyc September 2009 Hardware
  • I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …

    ... quality.[/QUOTE]
    The composite video signal already goes through a ... output for use as composite video signal), without problems. The modder ... the modulator case). Sometimes a capacitor is added (to remove DC ...
    RetroTechie RetroTechie September 2009 Hardware
  • +3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…

    ... 3 modded for composite video output, I discovered ... carrier onto the video signal before entering ... interferrence between audio and video signal inside the TEA2000 ... to improove the composite video signal. High frequencies ... 16?H and a capacitor of 100pF from ...
    ingo ingo October 2009 Hardware
  • An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…

    ... released year ago. It is improvement of old General Sound card ... , including 16 colors per pixel video mode and Turbo Sound FM ...
    Shiru Shiru October 2009 Hardware
  • Tuning issue 48KHi. I have just bought a 48K rubber key version and am having trouble tuning it in. I have tried two newish CRT televisions but get the same picture.…

    ... modulator input and ground, a capacitor as mentioned in the proper ... ' connector: Insert a 10 pF capacitor in the RF signal directly ... direct to this connector. Then Video as well as RF can ...
    roko roko October 2009 Hardware
  • Tuning issue 48KHi. I have just bought a 48K rubber key version and am having trouble tuning it in. I have tried two newish CRT televisions but get the same picture.…

    ... ' connector: Insert a 10 pF capacitor in the RF signal directly ... direct to this connector. Then Video as well as RF can ...
    crazylarry crazylarry October 2009 Hardware
  • zx81 repairare they easy or very tricky to fix, just curious? getting one , that displays but no cursor.. so hopefully I can get parts to fix it. I started off…

    ... you can't get a replacement for easily. The only place ... TV (UHF modulator) into composite video output.

    Ofcourse you ...
    RetroTechie RetroTechie November 2009 Hardware
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... used in conjunction with the video mode that I propose. Is ... existing already in the ULA+ video mode, is sufficiently good that ... ) to work as a hardware replacement for the original ULA, b ... you create a brand new video mode that is unrelated to ...
    chev chev December 2009 Emulators
  • Faked MP3/memory sticks etcI recently bought an MP3 player on Ebay from jolly old China. I suspected it would be fake as it was advertised as a 16gb MP3/MP4 player and cost me …

    [QUOTE=Zoffy;424604]Get yourself a Sansa Clip[/QUOTE]

    Already got one.

    Nice but mine is only 2gb and they doesn't have the video option.

    Still waiting on my replacement '16gb' china one....
    beanz beanz February 2010 Chit chat
  • Smiler 2: In the CityHi All, I've now completed my next game, "Smiler 2: In the City". It is available for download here:- [url]http://wonko.gotdns.org/sinclair/smile…

    ... very chunky. Any replacement would probably be an improvement.

    If ...
    Digital Prawn Digital Prawn March 2010 Brand new software
  • Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…

    ... for ULA read operations during video generating and create VGA output ... this is basically my ULA replacement with outboard memory for the ... ;-) )

    I assume this replacement is 100% compatible with the ...
    csmith csmith 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 ...
    brownb2 brownb2 March 2010 Announcements
<1…16171819202122…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
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    John Elliott on April 21
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    rich_chandler on April 21
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HitBox

Word Docs Hits
capacitor 1.5K 2.2K
replacement 3.3K 3.8K
video 19.7K 27.4K
improvement 1.5K 1.6K

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