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<1…18192021222324…34>
  • 16k Issue 2 board and DivIDE load errorsI today got an Issue 2 16k board (thank you PMSR) that i added the logic and ram on to get a 48k machine. However, I am unable to load software from …

    ... 11 ... 13V? Are the electrolytic capacitors cool? if there is a ...
    ingo ingo August 2012 Hardware
  • Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…

    ... my EAR circuit, removing series capacitors and the like. Yours is ...
    csmith csmith August 2012 Hardware
  • Zx 48k after the ic7805 other problemHi everyone, i am Tiago from Portugal, and i am trying to repair a Zx Spectrum 48K. the machine didn't do anything, no image, no sound, nothing. The…

    ... would first change the electrolytic capacitors 100?F at the 12V ...
    ingo ingo August 2012 Hardware
  • RECOM pin compatible DC-DC 7805 regulator replacementsFinally got myself sorted out now. If you want to purchase chips send me an email to [email]alistair@alistairsserver.no-ip.org[/email] with your payp…

    ... other seller) uses three electrolytic capacitors in total, plus what looks ... />
    Some have input electrolytic capacitors rated at 50V (so the ... ), while some have input electrolytic capacitors rated at 35V (so max ...
    1024MAK 1024MAK August 2012 Hardware
  • Faulty 128K toastrack keeps resettingHi. I have this toastrack which worked nicely for let's say 40 minutes and then a weird fault showed up. It keeps resetting over and over, sometimes…

    ... very reliable.

    Test capacitors by desolder one end, then ...
    Johan1973 Johan1973 August 2012 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... and 1.2V, and decoupling capacitors for the FPGA and other ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • 128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…

    ... do a test with large capacitors in both the signal and ...
    roko roko August 2012 Hardware
  • 128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…

    ... IC, 3 resistors, 3-4 capacitors and a zener diode are ...
    ingo ingo August 2012 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... voltage regulators and the big capacitors are on the underside. Hope ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • 128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…

    ... IC, 3 resistors, 3-4 capacitors and a zener diode are ...
    Knik Knik August 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    ... , when trying to order axial capacitors and having to deal with ... preparing first aid kits with capacitors and other components that fail ... most. Besides the re-capping capacitors, some transistors, one power regulator ...
    pmsr pmsr September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    You could always consider something like this:
    [url]http://www.velleman.eu/products/view/?id=354882[/url]
    120 electrolytic capacitors for a decent (consumer) price.
    Knik Knik September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    ... =354882[/url]
    120 electrolytic capacitors for a decent (consumer) price ... are radial, not axial. Radial capacitors are easy to score in ...
    pmsr pmsr September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    [url]http://www.rapidonline.com/Electronic-Components/105-deg-C-Low-voltage-axial-electrolytic-capacitors-83010[/url]

    Won't they do? :)
    guesser guesser September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    ... next higher range. Higher voltage capacitors do have higher ESR, and ...
    pmsr pmsr September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    ... />
    Yes

    Electrolytic capacitors are basically the worst kind ...
    guesser guesser September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    ... the characteristics of replacement capacitors, but these circuits ... /> In general, with electrolytic capacitors you can use the next ... degrees can replace 85 degrees capacitors.

    ... also replace electrolytic capacitors with ceramic capacitors. Use the ...
    1024MAK 1024MAK September 2012 Hardware
  • Some Capacitance Clarification =)I tried to get it in alliteration - sadly I failed. I am building a project at the moment based on Alessandro's ZX MMCSD and I have come across a no…

    ... .com/web/p/ceramic-multilayer-capacitors/3673421/[/url]

    [QUOTE ... are four 16v ceramic 1206 capacitors labelled with "4,7uF" now ...
    JonS JonS September 2012 Hardware
  • Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …

    ... components (generally).

    Electrolytic capacitors on a Speccy are *all ...
    Winston Winston September 2012 Hardware
  • Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …

    ... QUOTE=Winston;650698]Electrolytic capacitors on a Speccy are ... not to replace the electrolytic capacitors.

    The ... lifespan of electrolytic capacitors depends on a number of ... ", just replace all the electrolytic capacitors...

    [I ...
    1024MAK 1024MAK September 2012 Hardware
  • Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …

    ... load (>100) of capacitors similar to what you describe ... @N08/7945620736/"]Axle 100nF 50V capacitors #1[/URL]

    [ ... @N08/7945621746/"]Axle 100nF 50V capacitors #2[/URL]

    ... @N08/7945622354/"]Axle 100nF 50V capacitors #3[/URL]

    ...
    1024MAK 1024MAK September 2012 Hardware
  • Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …

    ... here with these diode-style capacitors in them (both issue 1 ... shape, they're simply ceramic capacitors. If that's the part ...
    RetroTechie RetroTechie September 2012 Hardware
  • Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …

    I've never actually killed capacitors with the heatgun method, I ...
    Winston Winston September 2012 Hardware
  • Needing new capacitors. Where to buy online?Hi. I need new axial capacitors for a whole bunch of Speccy boards I have. Problem is, it's been hard to buy some of them online. Some shops will onl…

    I ordered some capacitors off Newark. I'll update you when they get to me.
    pkersey pkersey September 2012 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    ... />
    To fix the electrolytic capacitors you just have to replace ...
    gtsamour gtsamour September 2012 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    ... ;653151]To fix the electrolytic capacitors you just have to replace ... ]

    Hi,
    Which capacitors do I need to change ...
    jayteebee jayteebee September 2012 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    ... =jayteebee;653195]Hi,
    Which capacitors do I need to change ...
    BloodBaz BloodBaz September 2012 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    ... =jayteebee;653195]Hi,
    Which capacitors do I need to change ...
    gtsamour gtsamour September 2012 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    Regarding divIDE issues, it would be interesting to take new ZX PCB (why nobody produce them ???) and move components, maybe replacing capacitors and changing power circuit. It will not solve M1 problem, but at least signals should be more stable.
    kpuchatek kpuchatek September 2012 Hardware
  • Diagnosing a strange software fault in a 48kHi, A friend gave me a 48k, which I am very keen to restore. The spectrum 48k was my first computer over 20 years ago and I owe my ability to code t…

    ... you replace all the electrolytic capacitors. It looks as if your ...
    Zorn Zorn October 2012 Hardware
<1…18192021222324…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
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

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