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<1234567…34>
  • Voltage regulator replacement?I have an 48K issue 3B that has (for unknown reasons) had one of the legs on the voltage regulator broken off. It looks like a simple replacement job…

    ... of the legs on the voltage regulator broken off. It looks ...
    cg cg November 2005 Hardware
  • Missing Voltage RegulatorHello all and a very merry 2-days-after-the-speccys-25th-birthday to you all! Okay, I've just received my brand spanking new 48K keyboard membranes …

    ... odd reason ripped off the Voltage Regulator and heatsink. Is there ...
    miner49er miner49er April 2007 Hardware
  • Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …

    ... . But where to get this voltage from? I know that we ...
    wilsonsamm wilsonsamm July 2007 Chit chat
  • how to set voltage regulator to the correct setting ?On the power supply that is broken it says AC adapter INPUT : 230v 50Hz OUTPUT ; 9v 200mA Regulated On the variable voltage adapter i have the…

    ... />

    On the variable voltage adapter i have there is ... do to set the correct voltage ?
    swordheart swordheart September 2007 Chit chat
  • How to fix dc voltage on a 48+ psuAfter dinner, after a womble video out mod on a "new" purchased 48+ , just in the remaining time I tested the voltage of its psu and, surprise surpr…

    ... remaining time I tested the voltage of its psu and, surprise ... pcb for trimming the output voltage. Can I add a resistor ... to trim the voltage to a more cool 9 ...
    Cignale Cignale June 2010 Hardware
  • Spectrum 48k PSU voltageI have been running into problems with my rubber key speccy. To cut a long story short I did a voltage check of my power supply. It seems to fluctuat…

    ... story short I did a voltage check of my power supply ...
    pasty72 pasty72 February 2011 Hardware
  • THE VOLTAGE OF THE POWER SUPPLY UNITCould anybody who has a ZX Spectrum 128k +2 count with a voltameter the voltage which the power supply unit gives to the Spectrum and tell me the [B]…

    Could anybody who has a ZX Spectrum 128k +2 count with a voltameter the voltage which the power supply unit gives to the Spectrum and tell me the [B]exact[/B] reading?
    George George August 2012 Hardware
  • Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…

    ... arrived to me with the voltage regulator hanging around,
    ... sure about the orientation the voltage regulator was soldered.
    ... wrong.

    The voltage regulator has printed "F M0247 ... must install a newly buyed voltage regulator.

    ...
    Luzie Luzie April 2013 Hardware
  • Voltage converter question.I recently paid over $100 for a really solid nice looking 750 watt 110v to 220 v converter so that I can run some my UK appliances when they come ove…

    ... />
    However, this second 'cheapo' voltage converter does not appear to ... any side effects with the voltage converter?
    Scottie_uk Scottie_uk September 2013 Chit chat
  • ZX Spectrum +2 (grey case) voltage converter circuit oddity.I'm working on repairing one of these and have encountered a possible problem and I'm not sure what I can best do about it, if anything needs to be d…

    ... circuit board that houses the voltage converter circuit (top right) had ... /> Measuring the outputs of the voltage converter circuits in both Spectrums ... have a diagram of the voltage converter circuit to hand while ...
    Zorn Zorn November 2014 Hardware
  • Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…

    ... + upgrade kits)

    [b]Voltage regulators:[/b]
    I known ... is a 78S05 5v 2a voltage regulator in the +2, and ...
    chrisgreen chrisgreen May 2019 Hardware
  • Power supply voltage regulator circuitRelating to [url="https://www.worldofspectrum.org/forums/discussion/56142/"]this topic[/url] I have managed to acquire this little accessory, which I…

    ... />
    It acts as a voltage regulator undoubtedly but I am ...
    Renegade Renegade June 2019 Hardware
  • Voltage/current meterToday I went to my local electronics shop and found this model of voltage and current meter, readily assembled with DC plugs at either ends... :P …

    ... and found this model of voltage and current meter, readily assembled ...
    Renegade Renegade December 2021 Hardware
  • Building a ZX Spectrum and I have some voltage questionsI've posted about this before looking for parts, but now I've found all the hard-to-get stuff (thank you Retrolium!). So I figured new questions, new…

    ... noticed any significant difference in voltage on the board. The first ...
    DistantStar001 DistantStar001 April 2022 Hardware
  • spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…

    ... a transformer to convert the voltage from 120 to 220.
    thoma thoma January 2002 Sinclair Miscellaneous
  • spectrum48k power supply?Hello, I live in the U.S. and I need to get a power adapter for the spectrum 48k comparable to the original. I needed to know all the specifications…

    ... for output:
    like output voltage(i think it's 9v ...
    thoma thoma December 2001 Sinclair Miscellaneous
  • SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…

    ... I'm worried about the voltage!

    Also, the United ...
    Bruno Florindo Bruno Florindo April 2001 Sinclair Miscellaneous
  • About the Disciple heat problem.I was wondering if anyone knows how to solve the problem that Disciple interfaces have that start losing it after some time of usage. I know that the…

    ... with a sinkcooler on the voltage regulator but I don't ...
    Anestis Anestis January 2003 Sinclair Miscellaneous
  • what are exact current values on +2A's PSUI like to know what is written on an original +2A PSU nearby each voltage. I mean the current for +5V, the current for +12V and the current for -12V.…

    I like to know what is written on an original +2A PSU nearby each voltage.
    I mean the current for +5V, the current for +12V and the current for -12V.

    Thank you.
    Best wishes,
    Cristi
    secarica secarica January 2003 Sinclair Miscellaneous
  • Knight Lore 2 - Conquest of Fairlight????Whoa! Whoa! what the F is this!!! Just having a plough through the archives and came across this MIA game. What does anybody know about Knight Lore…

    ... .

    The publishers, High Voltage, also did that classic, Strip ...
    stupidget stupidget September 2003 Games
  • TS2068 PSU?Just wondering what is the voltage and polarity that the TS2068 PSu has. My unit has no PSU, and I was expecting to either use my Spectrum 12V power …

    Just wondering what is the voltage and polarity that the TS2068 ...
    Akira Akira March 2004 Sinclair Miscellaneous
  • Anyone heard of these?I recently found a list of spectrum tapes I intended to buy (but never did) years ago. Most of them seem to be already dumped - or at least known of …

    ... "The Designers Collection" by High Voltage Software. I can remember the ...
    darkman darkman March 2004 MIA/STP/SDP
  • Multisystem TV'sHi all, I'm finally giving some thought to getting my Speccies and other PAL machines up and running over here and I'm looking for any recommendatio…

    ... I can buy a decent voltage transformer? Last time I was ...
    Malc74 Malc74 August 2004 Sinclair Miscellaneous
  • Humming Power Supply Spectrum 128Hello All, The Powersupply of my Spectrum 128 is humming like a nut case, only to fade away after about 20 minutes, then it is normal for the rest o…

    ... the problem is?? The output voltage seems ok. Is it the ...
    electric-man electric-man October 2004 Sinclair Miscellaneous
  • Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …

    ... it in America with a voltage converter or a different power ...
    blakespot blakespot November 2004 Sinclair Miscellaneous
  • Can't tune into spectrumHi - I recently discovered an old ZX Spectrum in amongst a load of junk (it's the 48K version). Not sure whether it works yet because when I try to t…

    ... that, whilst giving the correct voltage (9V according to the manual ... constantly clicks (very quickly). The voltage in the cable to the ...
    IglooGuy IglooGuy February 2005 Sinclair Miscellaneous
  • +2A Power Supply probhi, The power supply for my +2A spectrum appears to have died. I have an AT power supply from an old PC I could use as a replacement but I can't fin…

    ... on which pin is which voltage (the power connector is a ...
    pete118118 pete118118 April 2005 Sinclair Miscellaneous
  • Commodore 16 (yuk!) help neededJust got hold of a whole bunch of retro computers. Slowly working through them, fixing, canibalising, dumping etc. does anyone know what power suppl…

    ... adaptor if i knew the voltage and polarity etc. Any help ...
    Fazz Fazz July 2005 Sinclair Miscellaneous
  • My 48+ Power Supply is buzzing.Is this a bad thing? It only started doing this a few days ago. Can the original 48K power supply be used on a +? The FAQ says that they both have t…

    ... both have the same output voltage and Amp values but the ...
    Ian Hamilton Ian Hamilton September 2005 Sinclair Miscellaneous
  • Interface1 problem.I just bought one. Problem is, I plug the thingie in one of my argentinian clones and the machine seems not to run a single Z80 cycle. The screen is …

    ... of caps to make a voltage inverter/doubler (for + - 12V).
    Marcelo Marcelo March 2006 Hardware
<1234567…34>

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Related Threads

  • Voltage regulator replacement?I have an 48K issue 3B that has (for unknown reasons) had one of the legs on the voltage regulator broken off. It looks like a simple replacement job…
  • Missing Voltage RegulatorHello all and a very merry 2-days-after-the-speccys-25th-birthday to you all!<br /> <br /> Okay, I've just received my brand spanking new 48K keyboar…
  • Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose.<br /…
  • how to set voltage regulator to the correct setting ?On the power supply that is broken it says <br /> <br /> AC adapter<br /> INPUT : 230v 50Hz<br /> OUTPUT ; 9v 200mA<br /> Regulated<br /> <br /> <b…
  • Spectrum 48K input voltageI have a power supply that is rated 9,5 Volts DC. <br /> With no load it outputs about 9,86 Volts. <br /> <br /> Is it safe to use it for ZX Spectrum…
  • How to fix dc voltage on a 48+ psuAfter dinner, after a womble video out mod on a "new" purchased 48+ , just in the remaining time I tested the voltage of its psu and, surprise surpr…
  • Spectrum 48k PSU voltageI have been running into problems with my rubber key speccy. To cut a long story short I did a voltage check of my power supply. It seems to fluctuat…
  • Issue 2 voltage troubleDear all, <br /> <br /> I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it.<br /> <br /> After …
  • THE VOLTAGE OF THE POWER SUPPLY UNITCould anybody who has a ZX Spectrum 128k +2 count with a voltameter the voltage which the power supply unit gives to the Spectrum and tell me the [B]…
  • Plus D Voltage Regulator OrientationHi,<br /> <br /> I?ve got a Plus D Disc Interface circuit board without case<br /> from a friend. Sadly he sends it to me without care for proper pac…

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