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  • Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…

    ... . the PSU gives out stabilized voltage of +5V/1A and unstabilized ... voltage of at about 20V/200mA ... created by the voltage doubler [I](zdvojovac napatia?)[/I ... ] - this voltage is stabilized onto 12V in ...
    FRGT/10 FRGT/10 February 2006 Hardware
  • Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…

    ... hole being - (negative). Set the voltage to 9V if you can ...
    DEATH DEATH February 2006 Hardware
  • Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…

    ... hole being - (negative). Set the voltage to 9V if you can ...
    DEATH DEATH February 2006 Hardware
  • PC advice reqd!I have a Asus K7 mobo, Athlon64 XP 2.8GHz, 128MB RAM, Samsung DVD/CD Writer combo, and a 250W SMPS. I'm thinking of buying a Nvidia 6600GT 128MB AGP…

    ... switching PSU for the processor voltage and for the high powered ...
    absorbentgnome absorbentgnome March 2006 Chit chat
  • PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …

    ... I have to change some voltage settings in my BIOS since ... power from SMPS. The AGP voltage is currently set to 1 ...
    Arjun Arjun April 2006 Chit chat
  • PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …

    ... I have to change some voltage settings in my BIOS since ... power from SMPS. The AGP voltage is currently set to 1 ... AbitEQ thingie), and the AGPVDD voltage is showing as 1.54 ...
    icabod icabod April 2006 Chit chat
  • PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …

    ... you could post the other voltage settings. You haven't overclocked ...
    Arjun Arjun April 2006 Chit chat
  • PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …

    ... you could post the other voltage settings. You haven't overclocked ... , natch! I'll post the voltage listing when I get home ...
    icabod icabod April 2006 Chit chat
  • some questionshello all, I havent been here for a while, but Im back, older and wiser (I hope). No more stupid spectrum OS ideas. Well I have a speccy + 2a and I …

    ... socket (barrel). I/P signal voltage shouldn't go above 5V ...
    DEATH DEATH April 2006 Sinclair Miscellaneous
  • Tomb Raider - LegendSeven and a half hours. Seven and a half bloody hours. Seven hours and a tad over thirty mins TOTAL. Great Graphics. Great Story. A GRAND TOTAL …

    ... , the TR3, then TR1, then TR4, TR5 I found a waste ...
    Ælita Ælita April 2006 Chit chat
  • Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]

    ... other Speccy, which kept blowing voltage regulators for some reason, I ...
    xenomorph xenomorph April 2006 Chit chat
  • Tomb Raider - LegendSeven and a half hours. Seven and a half bloody hours. Seven hours and a tad over thirty mins TOTAL. Great Graphics. Great Story. A GRAND TOTAL …

    ... was my personal fave with TR4 a very close second, but ...
    udgoverload udgoverload April 2006 Chit chat
  • my dodgy speccys.hi people, i was wondering if i could engage some opinions / thoughts / ideas of anyone, regarding my current "fixing up" of my speccys, since you s…

    ... the fault back to the voltage regulator but couldn't get ...
    BruceNorton BruceNorton May 2006 Hardware
  • my dodgy speccys.hi people, i was wondering if i could engage some opinions / thoughts / ideas of anyone, regarding my current "fixing up" of my speccys, since you s…

    ... starving everything of power. The voltage regulator may get very hot ...
    DEATH DEATH May 2006 Hardware
  • Speccy MTBFHi, Looking at the old (issue 1-2) PCBs, they do look like someone knocked them up in an etching bath/with a soldering iron in their shed but has th…

    ... power. With RAM failure usually voltage converter transistor died too.
    piters piters May 2006 Hardware
  • Speccy MTBFHi, Looking at the old (issue 1-2) PCBs, they do look like someone knocked them up in an etching bath/with a soldering iron in their shed but has th…

    Cheers for that. I'm a little surprised the 7805 wasn't more frequent as my own Speccy blew two up.....I wonder if there was some other problem like too high a voltage from the transformer...(?)
    xenomorph xenomorph May 2006 Hardware
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... snapshot button) that pull the voltage low on the /NMI pin ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • +3 psu schematics and partsHi everyone. Does anyone have or knows where to get the +3 psu schematic? I'm trying to repair one but i cant find any info on the parts reference. …

    ... pass transistor of the 723 voltage regulator circuit that forms the ...
    absorbentgnome absorbentgnome June 2006 Hardware
  • 48K power supply coilHi guys, been thinking about making a small quantity of PSU coils for the original 16/48K machines. My problem is, although I can (and have, with gr…

    ... frying and make a few voltage readings and experiment until I ...
    DEATH DEATH June 2006 Hardware
  • Faulty 128KI digged out my Spectrum 128, and it wakes not up. I don't have experience, only with 48K. Maybe someone can give me some hint, clue. It looks like m…

    If not the ULA, it's most likely to be RAM/Z80. You's be surprised at how often the Z80 goes down.

    You can do basic voltage checks to see if all the voltages are present, that may be a start....
    DEATH DEATH June 2006 Hardware
  • Noisy display faultI've been given an Issue 3 48K Speccy PCB which is in good working order except the main display area has slight changes of shade loosely following a…

    ... problem in the PSU. Take voltage measures along the [B]12VA ...
    Marcelo Marcelo June 2006 Hardware
  • Noisy 2A displaymy 2A gives a fairly good display until it has to generate sound or other cpu work, which interferes with the signal, giving some "cloudy" effects …

    ... DC line or if the voltage drops whilst playing a sound ... effect of modulating the supply voltage, so audio will be seen ...
    DEATH DEATH July 2006 Hardware
  • Noisy 2A displaymy 2A gives a fairly good display until it has to generate sound or other cpu work, which interferes with the signal, giving some "cloudy" effects …

    ... regarding which wire carries which voltage, and all you need do ...
    DEATH DEATH July 2006 Hardware
  • Power issues for multiple Speccies - questionWould like your opinions on some power issues I will be coming across soon! I am building up a collection of working Spectrums to form a music Midi …

    ... because of the slightly higher voltage, you'll need to keep ...
    DEATH DEATH July 2006 Hardware
  • PC CPU heatsink and fans to cool down Speccy!Ah ha! I've just had an idea! taking apart some scrap PCs I decided to take the CPU heatsink and fan units off and see if I can attach them to the …

    ... inside it is the 7805 voltage regulator; so I think that ... by lowering the voltage from 9V to 7,2V ...
    Grecu_hc85 Grecu_hc85 July 2006 Hardware
  • PC CPU heatsink and fans to cool down Speccy!Ah ha! I've just had an idea! taking apart some scrap PCs I decided to take the CPU heatsink and fan units off and see if I can attach them to the …

    ... 's true that lowering the voltage will save some of the ...
    DEATH DEATH July 2006 Hardware
  • for a stupid: what?s NMI?erhm, yes, I?m not familiar with it... :rolleyes: I know the function of a hardware ?snapshot? button from Didaktik M/Kompakt, but I?m not familiar…

    ... ]interrupt[/B] chores when the voltage drops from +5 to 0 ...
    Marcelo Marcelo August 2006 Hardware
  • 9-pin joystick cables.Does anyone know where I could get some 9-wire cables with an Atari-style 9-pin plug on the end? I'm planning to do some joystick repairs / experime…

    ... that there was very little voltage going through the DISCiPLE ports ...
    Jmk Jmk September 2006 Wanted
  • Help with a pc speaker problemI recently was given a 19" Hansol Mazellan 900p CRT Monitor which replaced my old Packard Bell smaller monitor. The speakers i have are fairly ancien…

    You could try getting your self a Power supply from somewhere like Maplins. All the relevent info you'll need should be on the back of one of the speakers i.e. voltage and current(amps)

    Should set you back about a fiver
    BruceNorton BruceNorton September 2006 Chit chat
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    Renegade on April 21
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    John Elliott on April 21
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    rich_chandler on April 21
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