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Search Again :: Adv Search 1000 results in 0.004s
<1234567…34>
  • Do not open, no idiot servicable parts inside.Hi im very sad abd in need of some help thanks. Ok heres the deal i bought a second hand pc, it worked brill the only problems were the psu didnt fi…

    ... , your CPU) I've seen failing capacitors on the motherboard cause lots ...
    guesser guesser March 2010 Chit chat
  • Games not loading in my original spectrum 48kHello. I have recently bought a zx spectrum, for nostalgia purpose (haven't touched one for more than 20 years) The computer boots fine, but I can'…

    ... replace the Spectrum's electrolytic capacitors (assuming it still has its ... recommend doing this anyway as failing capacitors are not an unusual cause ...
    Zorn Zorn May 2012 Hardware
  • Video failureHi i cant find the failure of my spectrum 48k issue 4a, i thought it was ic6 or ic13 but the memory seem to have the right values. When i turn it on…

    ... its original electrolytic capacitors, give it new ones. Failing capacitors can cause all ...
    Zorn Zorn November 2013 Hardware
  • Interface 1 electrolytic capacitorsInterface 1 has three 47&#956;F electrolytic capacitors. Is it necesary to replace them with fresh ones? I always do this with old speccys but is it…

    Interface 1 has three 47μF electrolytic capacitors. Is it necesary to replace them with fresh ones?

    I always do this with old speccys but is it also necesary with interface 1?
    gtsamour gtsamour June 2007 Hardware
  • grrr The Capacitor PlagueI'm getting fed up of The Capacitor Plague. If you don't know what this is, I'll tell you the result. Your computer stops working. Sometimes, it won'…

    ... bad capacitors. Now, the power supplies on those same machines are failing ... through bad capacitors.

    This week ... .alioth.net) is failing most likely due to bad capacitors - I don ...
    Winston Winston January 2009 Chit chat
  • Spectrum+ 128 (toastrack) - tuning issueI remember a post from a while ago where [COLOR=Blue]Winston [/COLOR]said his [COLOR=Red]toastrack[/COLOR] had horrendous [COLOR=SeaGreen]drift [/COL…

    ... working, but then Q-T failing - so taking it apart again ... or gtsamour suggests swapping out capacitors or transistors? :)

    I ...
    szeliga szeliga April 2009 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…

    Hi. I need new axial capacitors for a whole bunch of ... I can buy new axial capacitors?

    Radial aren't ...
    pkersey pkersey September 2012 Hardware
  • CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …

    ... information on the specifications of capacitors that should be used as ...
    Simon_Carr Simon_Carr May 2013 Hardware
  • Spectrum CapacitorsLooking for some opinions here, if I may? In the 80's and 90's I used to repair Spectrums and other machines for a living so I'm reasonably famili…

    ... really relates to the electrolytic capacitors used in the Spectrum. Some ... , and I wonder if the capacitors used by Sinclair are really ... need to replace any electrolytic capacitors (I can't say the ... of a new set of capacitors isn't that great, but ...
    Graham Graham September 2015 Hardware
  • Something is missing from my life.I've been bandying around with the idea of why it's just not quite the same, even when playing Spectrum games as it was back in the eighties. . A…

    ... have to wait for loading / failing.

    . Software tech creep ... original spectrum out, replace the capacitors etc and use that. This ...
    Luny Luny May 2016 Games
  • Which capacitors are electrolytic?Hi! I'm refurbishing my 48k issue 6a, and as recommended by many (and not recommended by some) I'm going to replace the electrolytic capacitors. Mind…

    ... going to replace the electrolytic capacitors. Mind you, I don't ...
    Mikelone Mikelone February 2017 Hardware
  • Harlequin Rev G - Decoupling Capacitors?Guys - I started assembling my Rev G Harlequin board over the weekend. Right after I picked it up and started loading parts, it struck me that there…

    ... just not that many decoupling capacitors on this board and the ...
    msansom msansom March 2017 Hardware
  • Snap-in electrolytic capacitorsWhile trying to bring back to life an old PC I decided to change the caps from the board and the power supply. However, the power supply has two b…

    ... big HEC branded 470uF 200V capacitors which are the 'snap-in ...
    Renegade Renegade September 2019 Chit chat
  • Of course, when the M1 line of the Z80 CPU is failing, the Z80 CPU must be replaced![quote]Of course, when the M1 line of the Z80 CPU is failing, the Z80 CPU must be replaced![/quote] Err, why? If you are trying to use an interfa…

    ... of the Z80 CPU is failing, the Z80 CPU must be ...
    1024MAK 1024MAK March 2020 Hardware
  • Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…

    ... usually due to cheap electrolytic capacitors failing, or the supply just can ...
    Winston Winston September 2007 Chit chat
  • Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…

    ... usually due to cheap electrolytic capacitors failing, or the supply just can ...
    The Starglider The Starglider September 2007 Chit chat
  • Buzzy Crackles in my Speaker and loss of USB HD.I have recently been hearing intermittent electrical interference in the build in speakers of my monitor which are not connected as the sound goes to…

    ... make is whether the electrolytic capacitors are good. There have ... The tops of the electrolytic capacitors should be perfectly flat - ... machine randomly crashing, to discs failing without explanation, to the ... of supply ripple when the capacitors go bad - put an ...
    Winston Winston January 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 …

    ... smaller the parts (especially electrolytic capacitors) the lower the reliability. If ... converters from Maxim.
    A failing converter could damage the computers ...
    ingo ingo January 2009 Hardware
  • Scary electric businessThe tranformer that supplies 12V to my monitor has started to leak. I suppose it's the capacitor inside. Should I hunt down a different one? Is it sa…

    ... get it fixed with new capacitors?[/QUOTE]

    Probably, probably ... power supply and what's failing at the moment.
    Winston Winston February 2009 Chit chat
  • IF1 and 48k Capacitor QuestionsHi, I am not very knowedgeable about electronics but I am willing to give stuff a go.. I have a microdrive that is not performing and for various r…

    Thanks for the help, I will change them and see if that helps, failing that there are 3 capacitors in the MicroDrive itself which I will also change.

    Thanks again

    Paul
    hedge hedge February 2010 Hardware
  • Recapping your SpeccyHas anyone ever done it? I have several vintage amps, tuners, cassette decks that have been recapped. So just wondering are there many on WOS who ha…

    ... neccessary to change all electrolytic capacitors in an old computer. I ... the past when bad electrolytic capacitors were built and some periods ... when very good capacitors were built. And also a ... a device where a typical failing part is placed then one ...
    ingo ingo October 2010 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... also recommended. All the electrolytic capacitors look like originals and so ... Issue 2 voltage converter circuit failing. If that has happened, it ...
    Zorn Zorn February 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... it does, replace the electrolytic capacitors anyway. It's not highly ... . A single one of these failing could take out your replacement ...
    Zorn Zorn February 2012 Hardware
  • 48K issue 2 needs 5 seconds to bootupI have an issue 2 board here that needs some seconds to boot up. So when connecting it, it shows black and white blocks, and then after some seconds…

    I've seen this happen the first time a Spectrum is turned on as (probably old and failing) decoupling capacitors charge up. I imagine a problem with C27 could also cause this by holding the CPU in reset for longer than usual.
    Zorn Zorn February 2012 Hardware
  • ZX Spectrum 48k issue 3b power problem?Hi :) I was lucky enough to find a couple of ZX Spectrums at a car boot sale yesterday. I spent the evening fiddling about with one (issue 2) and t…

    ... the electrolytic capacitors on the issue 3b may be failing and causing ...
    JohnH JohnH March 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…

    ... shorting their power supplies, failing/failed electrolytic capacitors (I recommend replacing all ...
    Zorn Zorn May 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…

    ... do is replace all electrolytic capacitors. 30 years old even quality ... ]appears[/I] to be working. Capacitors & 7805 are cheap and ... upper memory chip(s?) are failing. Depending on results you can ...
    RetroTechie RetroTechie October 2012 Hardware
  • Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …

    ... problem; due to a connection failing when some part warms up ... . I have heard reports of failing ULAs that only show problems ... Spectrum has its original electrolytic capacitors, they definitely ought to be ... more RAM ICs that are failing only when warmed up - I ...
    Zorn Zorn April 2013 Hardware
  • CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …

    ... have to use radial capacitors rather than axial ones. ... .

    Electrolytic capacitors are polarised and MUST be ... you replace the electrolytic capacitors, but possibly not before ... the replacement work. Failing electrolytic capacitors don't usually go ...
    Zorn Zorn May 2013 Hardware
  • Issue 2 crashes after about 30 minsHi Guys, I have an Issue 2 zx spectrum that seems to get graphic corruption after about half hour of playing, then finally falls over and crashes. …

    ... /having replaced all the electrolytic capacitors. When old and dried out ... . Old electrolytic capacitors are also a common cause of Spectrums failing (possibly ...
    Zorn Zorn July 2013 Hardware
<1234567…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
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    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
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    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

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  • failing memory requestI'm (predictably) trying to discover the name of an old game which I don't remember much about, so here goes....It was based around spellcasting, you…
  • Interface 1 electrolytic capacitorsInterface 1 has three 47μF electrolytic capacitors. Is it necesary to replace them with fresh ones?<br /> <br /> I always do this with old speccys bu…
  • Our Failing Tapes - what to do with them.So, I've been testing out various tapes with a view to putting some of them on Ebay. Some of them do not load on either side and I've tried it in a f…
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  • 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…
  • Replacing capacitors on a +3 PSUDoes anyone know what kind of PSU does the +2A/B +3 use? Is it a switching one? Judging from it's weight I don't think it must be....<br /> <br /> An…
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