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  • issue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…

    ... is connected with the correct polarity. The origional one was getting ...
    adekav adekav March 2009 Hardware
  • Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…

    ... be extra vigilant about the polarity.

    The monitor I ...
    MagicKnight MagicKnight March 2009 Hardware
  • Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…

    ... here in the USA (changeable polarity) and haven't had any ...
    JamesD JamesD March 2009 Hardware
  • Issue 1 80K SpectrumHere's the other Spectrum I acquired last weekend. It's an [URL="http://www.drumfu.com/Issue1.jpg"]Issue 1[/URL] with an [URL="http://www.worldofspec…

    ... and you've set the polarity right though!
    jp jp March 2009 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... notice you're running in diode test mode rather than ohmeter ...
    Phu Phu March 2009 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... notice you're running in diode test mode rather than ohmeter ...
    gorski gorski March 2009 Hardware
  • TZX SuitabilityHi All, Firstly thanks for a wealth of info been a long time since Ive seen those set of rubber keys and symbol-shift and now it back around and we d…

    ... of data; the timings (and polarity) may be inconsistent from tape ...
    Fred Fred March 2009 MIA/STP/SDP
  • Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…

    ... right voltage and Amerpage (and polarity on the connector). I got ... WOS archive and set the polarity right.

    Mine is ...
    beanz beanz April 2009 Hardware
  • Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…

    ... at will to set the polarity and size you need etc ...
    beanz beanz April 2009 Hardware
  • Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…

    ... got the correct fitting and polarity !
    so, we'll see ...
    stulec52 stulec52 April 2009 Hardware
  • PZX file support for ZX-BlockeditorDear readers, I'm working on the PZX format support for ZX-Blockeditor, as I discovered the advantage of having such a nice file format. It has a cl…

    ... it comes to the correct polarity. And you really can't ... its authors originally thought the polarity doesn't matter and only ...
    Patrik Rak Patrik Rak April 2009 Development
  • PZX file support for ZX-BlockeditorDear readers, I'm working on the PZX format support for ZX-Blockeditor, as I discovered the advantage of having such a nice file format. It has a cl…

    ... its authors originally thought the polarity doesn't matter and only ... I would have to add polarity information to all my existing ... . These should contain also those polarity things we need here. Of ... user will be warned that polarity info gets missing.

    clausjahn clausjahn April 2009 Development
  • Pera Putnik's RGB interfaceI am sure some (if not many) of you will have seen Pera Putnik's RGB interface [URL="http://members.tripod.com/%7Epiters/uvyrgb.htm"]circuit diagram…

    ... 1 - 2 stages depending on polarity). I experimented in the late ...
    ingo ingo May 2009 Hardware
  • Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…

    ... plug and set the right polarity.

    I almost forgot ...
    zxbruno zxbruno May 2009 Hardware
  • ID a SpeccyI was given a rubber key Speccy a few days ago. But it has no power supply or stuff so I have no idea if it is a 16k or 48k one.. Is there anyway t…

    ... have stabilized power and changeable polarity.
    I would.
    But ...
    Mister Beep Mister Beep May 2009 Hardware
  • ID a SpeccyI was given a rubber key Speccy a few days ago. But it has no power supply or stuff so I have no idea if it is a 16k or 48k one.. Is there anyway t…

    ... have stabilized power and changeable polarity.
    I would.
    But ...
    zeropolis79 zeropolis79 May 2009 Hardware
  • 48k + Power supplyHi, Anyone know where I can get a replacement PSU for the 48k Plus? Nothing on Ebay at the minute. Looks like the end is Imminent for my one! Tha…

    Any power source capable of delivering 9v and 1.4A would do the job (if it has the right connector). Also, remember to check polarity.
    Zup Zup July 2009 Hardware
  • 48k + Power supplyHi, Anyone know where I can get a replacement PSU for the 48k Plus? Nothing on Ebay at the minute. Looks like the end is Imminent for my one! Tha…

    ... connector). Also, remember to check polarity.[/QUOTE]

    Hi, thanks ... various connections.

    What polarity should I be looking for?
    Spawnsworth Spawnsworth July 2009 Hardware
  • 48k + Power supplyHi, Anyone know where I can get a replacement PSU for the 48k Plus? Nothing on Ebay at the minute. Looks like the end is Imminent for my one! Tha…

    ... border. I tried swapping the polarity top around and nothing.
    Spawnsworth Spawnsworth July 2009 Hardware
  • 48k + Power supplyHi, Anyone know where I can get a replacement PSU for the 48k Plus? Nothing on Ebay at the minute. Looks like the end is Imminent for my one! Tha…

    ... border. I tried swapping the polarity top around and nothing.[/quote ... connected it with the wrong polarity (and it sounds like you ... warnings above about getting the polarity right. We did try.
    Philip Kendall Philip Kendall July 2009 Hardware
  • Casing For Divide 57cHi all, Can anybody advise me on a suitable case to mount the Divide 57c interface into? Original interface designer I e-mailed some time back, he …

    ... . Please connect both pins without diode)

    [QUOTE]2) Are ...
    velesoft velesoft July 2009 Hardware
  • Casing For Divide 57cHi all, Can anybody advise me on a suitable case to mount the Divide 57c interface into? Original interface designer I e-mailed some time back, he …

    ... . Please connect both pins without diode)[/QUOTE]

    Mmmm, bit ...
    Hercules Hercules July 2009 Hardware
  • ZX Spectrum not working - Please help.Hi there, I am new to this forum and was pointed in this direction by a fellow Youtuber after uploading the following video and then explaining that…

    ... you have used the right polarity. Positive out, negative in.
    mcleod_ideafix mcleod_ideafix August 2009 Hardware
  • Sorry about this guysHello I am trying to load on Spectaculator 7.0.1,2 titles i have had problems with in the past.The games are Basil the great mouse detective & Mask.…

    ... .

    The loaders are polarity sensitive, which wasn't supported ...
    Jon Needle Jon Needle August 2009 MIA/STP/SDP
  • I want to believe!Here we are Wossers, it?s a multiple choice poll, where you can share your spooky beliefs! Now, no flaming here, and no going on about which God is …

    ... rescue us before the earths polarity switches and destroys us all ...
    STeaM STeaM August 2009 Chit chat
  • I want to believe!Here we are Wossers, it?s a multiple choice poll, where you can share your spooky beliefs! Now, no flaming here, and no going on about which God is …

    ... rescue us before the earths polarity switches and destroys us all ...
    Spector Spector August 2009 Chit chat
  • TS1000 (ZX81) problemHi, I have a real weird problem, hope somebody can help. I have repaired the keyboard as some of the keys didn't work, the normal membrane problem.…

    ... . Is it worth replacing the diode (WHAT TYPE???) or is this ...
    georgedb georgedb August 2009 Hardware
  • TS1000 (ZX81) problemHi, I have a real weird problem, hope somebody can help. I have repaired the keyboard as some of the keys didn't work, the normal membrane problem.…

    ... things permanently by bypassing the diode connected to pin 7 of ... KB2. Being it a diode I thought the risk is ... to repair it permanentky? The diode is there with a reason ...
    georgedb georgedb August 2009 Hardware
  • TS1000 (ZX81) problemHi, I have a real weird problem, hope somebody can help. I have repaired the keyboard as some of the keys didn't work, the normal membrane problem.…

    ... less risky to replace a diode by 1N4148 than shortcutting it ... cheap digital voltmeters can measure 'diode' which is threshold voltage (drempelspanning ...
    roko roko August 2009 Hardware
  • Tape loadersi understand how ROM tape loader works but i dont understand why it so 'complicated'. it measure time until two edges in signal appears. why it does…

    ... wonder if it is a polarity thing?).
    Fred Fred August 2009 Development
<1…12131415161718…34>

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