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Search Again :: Adv Search 385 results in 0.001s
<1234567…13>
  • FS: Gould OS300 oscilloscopeHi all, I need some space on my equipment rack for a new "man enough for everything" bench power supply and lamentably my old analogue oscilloscope …

    ... and lamentably my old analogue oscilloscope has to go!

    Winston Winston September 2010 Sales
  • Best tools, oscilloscope for ZX Spectrum repairHi, Since I'm a newbie in this area, I'd like to ask about the most appropriate tools for ZX Spectrum repair. For example I'd like to purchase an a…

    ... to purchase an affordable digital oscilloscope which would be as small ... =STRK:MESINDXX:IT#ht_8579wt_904"]DSO Oscilloscope [/URL]
    Any other tools ...
    ZXMrk ZXMrk October 2010 Hardware
  • Oscilloscope Speccy ProgramHi all, I remember very well in the old days when my Speccy was my single computer (around 1992) that I have had an oscilloscope software. This uses…

    ... ) that I have had an oscilloscope software. This uses as far ...
    maskenlos maskenlos November 2010 Sinclair Miscellaneous
  • Oscilloscope recommendationsOscilloscope, precious, shiny things, me wants it! Me wantsss it! Er, so basically... I want to get a decent enough o'scope which would let me trace…

    Oscilloscope, precious, shiny things, me wants ...
    RobeeeJay RobeeeJay March 2013 Hardware
  • Settings on oscilloscope to see composite video signalHello, Learning a bit more about my new Owon digital 2 chan. oscilloscope. Would like to know what settings I should use to view a composite signal…

    ... new Owon digital 2 chan. oscilloscope.
    Would like to know ...
    thomas3120 thomas3120 December 2013 Hardware
  • 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…

    ... I don't have an oscilloscope at hand, so I can ...
    J?rg Pleumann J?rg Pleumann May 2004 Sinclair Miscellaneous
  • Spectrum repairsHello, does anybody here have experience with repairing defunct Spectrums? I have several of them at home, mostly 48K ones collected over time from …

    ... , finally, how important is an oscilloscope to the repair process? I ... iron, multimeter etc., but no oscilloscope. Should I bid for one ...
    J?rg Pleumann J?rg Pleumann June 2004 Sinclair Miscellaneous
  • 128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…

    ... voltages, don't have an oscilloscope. Power supply is 11.8V ...
    netomc netomc September 2006 Hardware
  • Blowtorch method of Speccy repairsI just did my first Spectrum repair (and successful at that). It was the Issue 2 spectrum I wrote about a while ago, I just hadn't got around to doin…

    ... to be bad, since my oscilloscope seemed to suggest that all ...
    Winston Winston January 2007 Hardware
  • Spectrum ethernet... step 1.1Yeah, a tenth of a step :-) Here's the W5100 board up and WORKING: [url]http://www.alioth.net/tmp/w5100-online.jpg[/url] This is called the "Get Th…

    ... did was to poke the oscilloscope probe on one of the ...
    Winston Winston November 2007 Hardware
  • sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …

    Hi All,
    Is there someone who may explain what these jumpers can be used for.
    [url]http://forest.no-ip.org/repair/jumpers.gif[/url]
    gorski gorski February 2008 Hardware
  • Old tech remixes Radiohead's "Nude"[URL]http://www.vimeo.com/1109226[/URL] This video shows is an all-hardware remix of Radiohead's "Nude" from their album, "In Rainbows". Watch as d…

    ... , computers, tape decks, and an oscilloscope combine forces to create the ...
    RND RND July 2008 Chit chat
  • 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 …

    ... placed the probe of my oscilloscope to the RAS pin of ...
    ingo ingo January 2009 Hardware
  • So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…

    ... capacitor is hidden by the oscilloscope probe). The frequency setting capacitor ...
    Winston Winston June 2010 Hardware
  • Hi everybody! Need help trying to rescue a ZX 48K...Hi, since this is my first post, a bit of info about me: I'm an Italian guy, now living in Poland (Warsaw), informatics and electronic geek since…

    ... some component if needed. But oscilloscope is not part of my ...
    LuKeJerry LuKeJerry March 2011 Hardware
  • Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…

    ... .

    Measurements with an oscilloscope show the following:

    Zorn Zorn November 2011 Hardware
  • Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…

    ... other board. I have no oscilloscope, only a plain multimeter and ...
    deckard deckard January 2012 Hardware
  • 128K heatsink no color in composite video and bad antenna outputI am currently repairing a ZX Spectrum 128K heatsink model. It gives no colors on composite video output, and very bad antenna output. I opened it a…

    ... 't checked it with an oscilloscope.

    Who have more ...
    bverstee bverstee February 2012 Hardware
  • 48K Issue 3, noisy display.Has anyone here experienced and been able to resolve a problem that looks like this: [URL="http://drizzle.zigg.net/ZX/ZX106-display.jpg"]Photogra…

    ... />
    I've used an oscilloscope to look at the 12V ...
    Zorn Zorn February 2012 Hardware
  • Microdrive units with weak (not dead) ULAs...Hi everybody, I've got a Microdrive unit here. It didn't work. It does now (actually, it was the ribbon had broken and the ground had lost contact, …

    ... on pin 1A under an oscilloscope shows it looks identical on ...
    Spirantho Spirantho March 2012 Hardware
  • Sinclair portable oscilloscope.Just saw this at a Swedish online auction site, Tradera (owned by Ebay, btw): [url]http://www.tradera.com/sinclair-mini-oscilloskop-samlar-objekt--au…

    Just saw this at a Swedish online auction site, Tradera (owned by Ebay, btw): [url]http://www.tradera.com/sinclair-mini-oscilloskop-samlar-objekt--auktion_340196_154724304[/url]

    Nice companion to a Sinclair portable TV, maybe? :razz:

    pmsr pmsr April 2012 Sinclair Miscellaneous
  • Spectrum 128K: distorted picture with composite to vga converterI'm trying to get my 128K Spectrum (toastrack) to work with a vasmon3 composite to vga converter, but all I get is a distorted image on the VGA monit…

    ... 128K with my antique 10MHz oscilloscope.
    The output voltage on ...
    Knik Knik April 2012 Hardware
  • Spectrum 48K - upper memory problemsHi I have a ZX Spectrum 48K issue 3B which does not see upper memory. On PRINT PEEK 23732+256*PEEK 23733 i got result 32767. POKE 32768,85 and PRINT …

    ...

    I have an oscilloscope but I do not know ...
    Edward Edward May 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…

    ... properly. I have borrowed an oscilloscope and I measure the input ...
    Johan1973 Johan1973 August 2012 Hardware
  • ZX +2 Grey with quiet ULA soundHi all. I come here for advice before messing up with the main boards and end up killing them for good. I got this grey ZX +2 with a very low ULA a…

    ... />

    I have no oscilloscope... :(

    (Forgive if this ...
    pkersey pkersey October 2012 Hardware
  • Issue 2 video problemHello all, Need some help with an issue 2 board that I 'm trying to restore. I've replaced all the electrolytic capacitors, changed the voltage regu…

    ... electronics is basic so no oscilloscope, but I can measure voltages ...
    Pluto63 Pluto63 December 2012 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... (both projects)

    -Analog Oscilloscope (noise, clock signal checking, glitches ...
    Severino Severino February 2013 Hardware
  • Strange +3 HW IssueI a have a +3 with Issue 2 board system powers up ok and is useable as computer Drive works ok (tested on another machine) the drive however doesnt…

    ... fine

    dont have oscilloscope so cant test any further....
    Ikduncan Ikduncan April 2013 Hardware
  • Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…

    ... I don't have an oscilloscope, (I normaly repair people not ...
    Pluto63 Pluto63 April 2013 Hardware
  • Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…

    ... the data lines with an oscilloscope yet but clueless as I ...
    CaptainHayashi CaptainHayashi May 2013 Hardware
<1234567…13>

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Related Threads

  • FS: Gould OS300 oscilloscopeHi all,<br /> <br /> I need some space on my equipment rack for a new "man enough for everything" bench power supply and lamentably my old analogue o…
  • Best tools, oscilloscope for ZX Spectrum repairHi, <br /> <br /> Since I'm a newbie in this area, I'd like to ask about the most appropriate tools for ZX Spectrum repair. For example I'd like to p…
  • Oscilloscope Speccy ProgramHi all,<br /> <br /> I remember very well in the old days when my Speccy was my single computer (around 1992) that I have had an oscilloscope softwar…
  • Sinclair portable oscilloscope.Just saw this at a Swedish online auction site, Tradera (owned by Ebay, btw): [url]http://www.tradera.com/sinclair-mini-oscilloskop-samlar-objekt--au…
  • Oscilloscope recommendationsOscilloscope, precious, shiny things, me wants it! Me wantsss it!<br /> <br /> Er, so basically... I want to get a decent enough o'scope which would …
  • Long holiday weekend mods and new OscilloscopeJust thought Id post (video) of some things I've been up to this weekend. <br /> As well as something from Paul F.<br /> ...If you're bored ;)<br />…
  • Settings on oscilloscope to see composite video signalHello,<br /> Learning a bit more about my new Owon digital 2 chan. oscilloscope. <br /> Would like to know what settings I should use to view a comp…

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