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Search Again :: Adv Search 707 results in 0.002s
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  • Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…

    Have you changed the electrolytic capacitors? They're one of the first things to change when weirdness happens, especially where the symptom varies with time....
    Spirantho Spirantho October 2014 Hardware
  • Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…

    ... ;799712]Have you changed the electrolytic capacitors? They're one of ...
    Korinel Korinel October 2014 Hardware
  • Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…

    ... possible to test the important electrolytic capacitors in circuit.

    1024MAK 1024MAK October 2014 Hardware
  • Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…

    First, renew all the electrolytic capacitors.

    [I][B]Mark[/B][/I]
    1024MAK 1024MAK October 2014 Hardware
  • Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…

    Just the electrolytic (polarised) caps.

    First though, I'd try a different PSU if possible, just in case the voltages your PSU are generating might be noisy (due to failed/failing caps).

    B
    balford balford November 2014 Hardware
  • Spectrum preservation/clean up questions.I&#8217;m sorting out my 5 Spectrums trying to make them look a bit better, and to package them up how they should be, and to get them to be reliable…

    ... particularly critical to change the electrolytic capacitors on 48K Spectrums as ...
    balford balford November 2014 Hardware
  • Issue 1 oddityHello to everybody, I have a very first under my hands - a broken Issue 1. Apart from the classic "broken lower RAM" syndrome which will be easily t…

    ... , a pulldown resistor and an electrolytic but i don't remeber ...
    Pluto63 Pluto63 November 2014 Hardware
  • ZX resurrectionHi, I'm currently trying to resurrect my old zx spectrum 48k. I managed to fetch proper power supply and tv cables and was pleased to discover that i…

    ... is advisable to replace the electrolytic capacitors, as they are now ...
    ramsrc ramsrc November 2014 Sinclair Miscellaneous
  • Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …

    ... /> Supply voltage testing on decoupling electrolytic capacitors:-
    For the +5V ...
    1024MAK 1024MAK November 2014 Hardware
  • Silly question I know..Just started checking my old computers and started with the ac/dc power adaptors. The 9 volt output is showing 12 to 13 volts The 12 volt output is…

    ... is developed across the large electrolytic "smoothing" capacitor will charge up ...
    1024MAK 1024MAK November 2014 Hardware
  • Spectrum +2 QuickyI've got Spectrum +2 (grey case) and I've just been reading online a vague article about a problem where Amstrad put components on the mainboard the …

    ... critical.

    But all electrolytic capacitors produced in the 1970 ...
    1024MAK 1024MAK November 2014 Hardware
  • Spectrum +2 QuickyI've got Spectrum +2 (grey case) and I've just been reading online a vague article about a problem where Amstrad put components on the mainboard the …

    ... />
    I usually replace the electrolytic capacitors in a +2 if ...
    Zorn Zorn November 2014 Hardware
  • ZX resurrectionHi, I'm currently trying to resurrect my old zx spectrum 48k. I managed to fetch proper power supply and tv cables and was pleased to discover that i…

    ... is advisable to replace the electrolytic capacitors, as they are now ...
    v@speccy v@speccy November 2014 Sinclair Miscellaneous
  • Issue 2 Spectrum - Black screenHi I have an issue 2 spectrum which I'm having some issues with. I bought it on ebay so have no idea of the history or how it came to be broken. Whe…

    ... , which is one of the electrolytic capacitors I changed. The track ...
    whoremoan whoremoan November 2014 Hardware
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... still has its original/old electrolytic capacitors then I recommend you ...
    Zorn Zorn November 2014 Hardware
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... difficult to know whether the electrolytic capacitors should be replaced. I ...
    Zorn Zorn November 2014 Hardware
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... difficult to know whether the electrolytic capacitors should be replaced. I ...
    Jaye Jaye November 2014 Hardware
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... .
    2) Ditto for the electrolytic caps. Failure here could (and ...
    balford balford November 2014 Hardware
  • Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…

    One or more of the electrolytic capacitors or one of the ...
    1024MAK 1024MAK November 2014 Hardware
  • 48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…

    ... & TR5. Also the standard Electrolytic capacitor replacement.
    Now powers ...
    whoremoan whoremoan November 2014 Hardware
  • I broke my 48k Speccy!!!!Hey guys, I am looking for some advice, I hope you can point me in the right direction. So, I went about replacing all the capacitors on my issue 4…

    ... the nF range are not electrolytic types.
    Also:
    make ...
    roko roko December 2014 Hardware
  • 48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…

    ... of undesired spikes (otherwise change electrolytic capacitors) and have the right ...
    ingo ingo January 2015 Hardware
  • 48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…

    ... bad lower RAM chip or electrolytic capacitors.

    Incidentally, heatsink ...
    Spirantho Spirantho January 2015 Hardware
  • Cooking toastrack... the dreaded smellI powered up my Spectrum 128 (heatsink model) yesterday only to see what looked like an out-of-tune picture on the television. I'm using a scart adap…

    ... should be all of the electrolytic ones in that corner of ...
    balford balford January 2015 Hardware
  • 3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…

    ... the transistor with a 100uF electrolytic capacitor.

    The transistor ...
    mcleod_ideafix mcleod_ideafix January 2015 Hardware
  • Guess the video faultI've two dead flesh Spectrums, one a 16K issue 2 outputting white with a tinge of blue (not as extreme as photo shows) with two pink horizontal lines…

    ... is worthwhile renewing all the electrolytic caps anyway (for me ... that working good condition electrolytic capacitors do is to ... />
    Renewing the electrolytic capacitors saves the wild goose ... problems that a semi-bad electrolytic capacitor can cause.
    ...
    1024MAK 1024MAK January 2015 Hardware
  • The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…

    ... the IC's, all the electrolytic caps had been snipped, and ... replace the coil, power socket, electrolytic caps and the missing diodes ...
    balford balford February 2015 Hardware
  • 3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…

    ... the transistor with a 100uF electrolytic capacitor.

    The transistor ...
    RSwipeCA RSwipeCA February 2015 Hardware
  • 3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…

    ... input stage. The in-series electrolytic capacitor removes this large standing ...
    1024MAK 1024MAK February 2015 Hardware
  • You get what you pay for-You live and learnDecided to try for a cheap spectrum + on ebay described as not being able to tune it and some keys did not work - haha Duly received and opened up a…

    ... I would check if the electrolytic capacitors are ok. It might ...
    ingo ingo February 2015 Hardware
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