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Search Again :: Adv Search 1000 results in 0.008s
<1234567…34>
  • ahem!.. could I have a minute of everyones time please :)ok... here's the thing. I'm looking into sourcing some spare IC's for the whole range of Spectrums - mainly memory, as that's probably the weakest l…

    ... up a very well equipped fault finding / repair 'center' (hint - top of ...
    GP GP February 2003 Sinclair Miscellaneous
  • Spectrum Diagnosis: Purple is not my colour!Hi, I thought the self-fault-finding amongst you might appreciate my learning experience this afternoon in fixing my home-made speccy 48K. Yesterda…

    ... />
    I thought the self-fault-finding amongst you might appreciate my ...
    Phu Phu July 2007 Hardware
  • Faulty 128 toastrackHello, I hope someone of the hardware gurus can point me in the right direction for fault finding. My speccy crashes often (sometimes after a short,…

    ... in the right direction for fault finding.
    My speccy crashes often ... /> Any hints for shortening the fault finding and repair procedure will be ...
    Mad Fritz Mad Fritz June 2009 Hardware
  • fragged spectrum +I know I only bought it a few days ago. short version : I damaged it via a wonky RAM joystick box, suffering from ram pack wobble .. no sinclair mes…

    ... scenario and is their a fault finding flow chart as well as ...
    fog fog November 2009 Hardware
  • flickering noisy screenI have just replaced the ram and ULA. The spectrum boots up OK but the screen is very noisy/wobbly/flickering really annoying :) I am wondering how …

    ... wondering how to go about fault finding this issue. Does anyone have ...
    hedge hedge January 2010 Hardware
  • rubber key Spectrum 48k problem :(when i plug the spectrum in all i get is a black screen with a red border and sometimes flashing blocks. the spectrum worked until about 20 mins ago…

    ... to where I can start fault finding (the 7805 has been checked ...
    reanimator reanimator June 2011 Hardware
  • Dead Spectrum SocietySo I'm getting back into real Sinclair computers rather than emulators. During the summer months I was lucky enough to buy a working ZX81 and was giv…

    ... computers much in terms of fault finding.
    absinthe_boy absinthe_boy October 2011 Hardware
  • Issue 4S Schematics and DC-DC circuitA while ago I bought a Spectrum 4S that had problems tuning. I removed the RF tuner as I was not going to use it and did the composite mod. It worked…

    ... a bit difficult to do fault finding on the DC-DC circuit ...
    Johan1973 Johan1973 June 2012 Hardware
  • Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…

    ... where to begin with the fault finding. The symptom is that the ...
    Pierre Pierre April 2013 Hardware
  • Issue 4A issuesHi all, I've been trying to get the Issue 4A board that came DOA with the case I purchased for my Frankenspectrum to work. I've recapped and socket…

    ... toast? Any other suggestions for fault finding this one?
    balford balford June 2013 Hardware
  • The right toolsAs i am going to pick up a hobby of fixing spectrums I wanted to know whats the right tools for the job. Like what wattage should the soldering iron …

    ... great help as i am fault finding and such.

    I ...
    morcar morcar July 2013 Hardware
  • Faulty 48+Hi I picked up a pile of Spectrum kit including a boxed "untested" 48k+ The Speccy boots to this screen... [IMG]http://www.scotek.net/zx spectrum/…

    ... get an idea what the fault is from this?

    I will look through the fault finding posts/doc s but any ...
    rune rune February 2014 Hardware
  • My new Spectrum +3 has no start menu.Hi all, I recently took delivery of my 'new' Spectrum +3 from a Fleebay auction. So I serviced the drive on Saturday as it had a snapped drive belt …

    ... it's flow chart of fault finding, and it pushes me on ... hang over from my PC fault finding days). Still no +3 menu ...
    Amplitude Amplitude February 2014 Hardware
  • Issue 1 schematics?I'm fault-finding an issue 1 board. So far I've found a hot memory chip and snipped it's supply legs, then swapped the burnt-out 7805 for a switched…

    I'm fault-finding an issue 1 board. So ...
    namtip namtip November 2015 Hardware
  • ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…

    ... voltages show on the WOS fault finding page i.e. 5v ~ 4 ...
    handsfelloff handsfelloff January 2018 Hardware
  • Using a thermal camera to fix speccy's.Hi All, Thought I'd share another repair... Got a board that collapsed the bench supply straight away ( I run a bench supply and give it just enou…

    ... /> This method for fault finding also works well with finding which electrolytics on ...
    cj7hawk cj7hawk December 2021 Hardware
  • Spectrum +3 fault - flashing screen on power onHi ive just bought a +3 When I power it on the power led and disk drive led come on. The screen just flashes black and white around the border, almos…

    ... specifically listed, some of the fault finding techniques for earlier speccies do ... them..

    without proper fault finding they're still the best ...
    GP GP January 2003 Sinclair Miscellaneous
  • OT : Dragon 32 loading probsSomeone here must have one of these and be able to help. Just got a tape player I can use with my Dragon. I tried loading some games by typing CLOA…

    ... newsgroup would know something about fault finding and repairs? (I can't ...
    Jmk Jmk February 2003 Sinclair Miscellaneous
  • Faulty Spectrum?PLease can somebody help have just bought a ZX Spectrum 48K And the Hobbit game, i cannot get this game to load it crashes right at the end of the l…

    ... as :

    4.99 fault find fee
    1.50 ... otherwise damage a PCB when fault finding - which in itself is also ...
    GP GP March 2003 Sinclair Miscellaneous
  • OT: PC boot solution anyone?A long shot I know, but what the hell! The thing is this: My Asus K8V SE Deluxe mobo seems to be suffering from a problem. Specifically with the BIO…

    ... .

    As far as fault-finding procedures go, then start simple ...
    Hedegaard Hedegaard October 2005 Chit chat
  • Black paper, white border. Ram fault?We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working o…

    ... 've got so far in fault-finding one of my dead Spectrums ...
    Winston Winston December 2006 Hardware
  • Problem with Spec 128k +2 !! Noob calling for help!Hi there, I have an spec 128k +2 which was working fine, played with him yesterday and today when i tried him again he gave me this [URL="http://go…

    ... seems to be a common fault - but a screen with junk ... for download extremely useful for fault finding with these machines.
    Winston Winston February 2007 Hardware
  • Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …

    ... /> There's also a Spectrum fault finding manual linked to from WOS ... to be a reasonably common fault).
    Winston Winston March 2007 Hardware
  • toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…

    ... /> There's also a Spectrum fault finding manual linked to from WOS ... to be a reasonably common fault).
    Winston Winston March 2007 Hardware
  • Anybody fancy coding this?blah de blah de blah Please ignore, poting error.

    These days, use flash - don't bother with eprom. You can replace the ROM by making an external board that connects to the edge connector, and nails ROMCS high just like ZX Interface 2, so that the on-board ROM never gets selected. Simple decoding logic ...
    Winston Winston March 2007 Development
  • "Lost" 48K expansionToday I dug up my Speccy after more than 10yrs of inactivity. I bought it as a 16K in 1983, than I had expanded to 48K and never had problem. Until t…

    I recently found this site a good source of info.

    [url]http://www.1000bit.net/support/manuali/zxspectrum/sm/sec4_2.html#memchk[/url]

    It say's do what Bruce said but it give's some good fault finding techniques as well.
    owdeuk owdeuk April 2007 Hardware
  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…

    ... today. When it comes to fault finding (I'm trying to repair ...
    georgedb georgedb June 2007 Hardware
  • Problem with assembled divIDE kits.Hello, I bought two divIDE kits from [url]www.divide.cz[/url] It took 7 weeks for them to arrive. I assembled the two kits, but unfortunately neith…

    ... of experience with assembling and fault finding these devices.

    The ...
    LaesQ LaesQ September 2007 Hardware
  • divIDE woesHi y'all ! Last night I built my lovely divIDE ;-) I downloaded flasher and +divide.tap from [url]http://www.biehold.nl/rudy/+divide/index.htm[/url…

    ... 've not yet done any fault-finding to find a cause (other ...
    Winston Winston November 2007 Hardware
  • New Guy Wants Speccy - SWAP !Hi, I`m new here so here is a little background info ! I always had a C64 when I was in my teens in the 80`s, my friends had Spectrums, so it was alw…

    ... info on the web on fault finding on Speccies.

    -- Richard
    Phu Phu February 2009 Wanted
<1234567…34>

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