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Search Again :: Adv Search 1000 results in 0.007s
<1234567…34>
  • Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…

    ... .
    I can see the +5V & +12V rails/wires but ... (I)

    On +3 PSU:
    +5V @ 2A
    +12V @ 0 ... .05A

    For +5V: W1=5V*2A, W1=10W
    For ...
    thomas3120 thomas3120 December 2013 Hardware
  • 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
  • +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. …

    ... where to get the +3 psu schematic? I'm trying to ... />
    The psu outputs 12V but not the 5V. As far as ...
    odious odious June 2006 Hardware
  • +3 PsuHi all, Just been digging at the back of my wardrobe, and found a +3 PSU the 12V+ and the 12V- works but not the 5V+ has any one got a diagram for a …

    Hi all,
    Just been digging at the back of my wardrobe, and found a +3 PSU the 12V+ and the 12V- works but not the 5V+ has any one got a diagram for a +3 PSU please.

    TIA
    swift240 swift240 June 2007 Hardware
  • now lost the +5v from my +3 psuthe voltages i get from it are -12v +12v +0.61v what part needs replacing in the housebrick that is the PSU? having a bad weekend :-(

    the voltages i get from it are
    -12v
    +12v
    +0.61v

    what part needs replacing in the housebrick that is the PSU?

    having a bad weekend :-(
    reanimator reanimator May 2011 Hardware
  • +3 PSU fuseMy +3 burned a 1A250V fuse on PSU and no longer provide +5V (only +12 and -12V works). Now what can cause this? I was not using the disc drive and on…

    My +3 burned a 1A250V fuse on PSU and no longer provide +5V (only +12 and -12V works).
    Now what can cause this?
    I was not using the disc drive and only thing connected was a DivIDE.
    Encarnado Encarnado November 2011 Hardware
  • 48k PSU UpgradeCan anyone give the definitive word on a PSU upgrade (rather than just a replacement) for 48k machines? I'm thinking of adding at least an IDE inter…

    ... definitive word on a PSU upgrade (rather than just ...
    Using an AT/ATX PSU and regulating the 12v line ... s regulator and using the 5v line. I just need ... br /> Purchasing a beefy 9v PSU (2 or 3A) and using ... I should only need 5v internally although either way ...
    napoleonblownaparte napoleonblownaparte May 2012 Hardware
  • +2 (Grey) and AT/ATX PSUAny ideas on the best way to power a grey +2 board from an AT or ATX PSU? Looking at the schematic, I could do this one of two ways... 1: Bypass th…

    ... from an AT or ATX PSU?

    Looking at the ... the PL11 header) and supply +5v where 9v normally goes.
    5v to pins 2 and 3 ...
    napoleonblownaparte napoleonblownaparte February 2013 Hardware
  • Spectrum +2A PSUI picked up a black +2A without a power supply. Looking on eBay the PSUs seem quite rare. The schematics for the PSU show +/-12 and 5v, would it be …

    ... /> The schematics for the PSU show +/-12 and 5v, would it be ... possible to convert another PSU to suit ... . Im thinking a small PSU from a micro ATX case ... />
    Has anyone got a PSU working that wasnt the original ...
    rune rune December 2013 Hardware
  • Powering a Spectrum with 5v?I live in the States, but I'm originally from England. My original Spectrum is still at my mum's house in the UK, and I was thinking of asking her t…

    ... it, because the original PSU won't work on mains ... is actually regulated down to 5v (and a lot of ... and inject a regulated 5v into where the voltage output ... was?

    Regulated 5v PSU's are everywhere, because that ... PAL input, so a 5v mod and a composite ...
    Jamesbeat Jamesbeat August 2014 Hardware
  • Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …

    ... 'm looking for a modern PSU for my Spectrums and my ... the dual set should be 5v @ 3A (2A should be enough ...
    geosiou geosiou October 2014 Hardware
  • +3 PSU fault, can it be repaired?First, i'm no electrical genius/engineer but can solder/de-solder when needed! Powered on my +3 today and the monitor was just flickering/breaking…

    ... light on it! Checked the PSU voltages first and the +/- 12v ... is OK but the +5v is showing +2.8v on ... pins, so I guess the PSU is faulty! Question is, is ...
    BarryB BarryB November 2017 Hardware
  • +3 PSU vs +2 PSUI'm referring here to the black +2's :) Now, a closer look shows the differences between the power supplies for these really is: "The 5V line is …

    ... these really is:
    "The 5V line is rated at 2A ... you can use a +3 PSU with a +2 as its ... meant to use the +2 PSU with the +3.

    spider spider January 2019 Hardware
  • General PSU repair guidesNot Speccy related. I'm just looking for a guide as such as to where to begin with a power supply repair. Realise this is a bit of an odd thing to as…

    ... />
    To my mind a PSU is simple (this is not ... 's me done with a PSU! :D

    The ... ones inside the BBC Micro PSU actually.
    There are ... supply as well as a 5v. I mention this as the ... smaller drives only want a 5v supply. The panel display is ...
    spider spider August 2020 Chit chat
  • +2A PSU - power transistor substitute?I used a +2A PSU on a newly acquired Speccy for the first time in quite a while earlier, it was causing apparent issues in that starting the tape dec…

    ... the voltages in the PSU by direct measure on ... must have shorted out the 5v line as when I ... testing the silicon in the PSU it appears the power ... the UA723 to produce the 5v is shorted.

    ... found a Cisco 1700 switching PSU which should make an ...
    jjne jjne October 2022 Hardware
  • 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 …

    ... and polarity that the TS2068 PSu has. My unit has no ... PSU, and I was expecting to ...
    Akira Akira March 2004 Sinclair Miscellaneous
  • Humming psuI have just got myself a +2b and the psu is buzzing like mad. It seems to be working fine, though. It arrived this morning and I have had it switched…

    ... myself a +2b and the psu is buzzing like mad. It ...
    itsallgood itsallgood November 2004 Sinclair Miscellaneous
  • +2A ProblemHi ! I just got a +2A and it has a powerup problem. When I turn it on it just displays 1987 1987 over the first few lines and a random attributes p…

    ... thing I noticed is the PSU - on the FAQ it says ... should have two pins with +5V , two pins with +12V , one ... pin as GND. But my PSU only has ONE pin with ...
    Tom-Cat Tom-Cat May 2005 Sinclair Miscellaneous
  • Spectrum +2B on a PC PSUHello, Id like to attach my Spectrum +2B to a PC Power Supply. Im currently using an ATX power supply with my Amiga CD32. I searched on here for so…

    ... (if I remember correctly) two +5V points, two +12V points, one ... molex connector, then both +5V to the 5v line, and both +12V ...
    chaoticjelly chaoticjelly January 2006 Hardware
  • Sale: Multiface 3, 3? inch disk drive and Joystick InterfaceI am offering these items (individually or as one) to anyone who makes me a reasonable offer. Multiface 3 - no box or manual 3? inch disk drive wit…

    ... round to finding a proper PSU for it, so I have ... been tapping the necessary 5V from my PC's powersupply ...
    8bitten 8bitten February 2006 Sales
  • What PSU is suitable for +2?if I don?t have the original one, what PSU I?ll need for that?

    if I don?t have the original one, what PSU I?ll need for that?
    de Vandemar Croup de Vandemar Croup March 2006 Hardware
  • kempston and/or psuhi there, just wondering if anyone had a spare kempston adaptor they wanted to give a good home? i will pay a couple of quid + postage for it, and …

    ... interested in a +2A / +3 PSU, although i realise the likelyhood ... it atm, and my +2A psu is lost, and so needs ... go chucked out) or the psu, but to no avail. however ...
    Hungry Horace Hungry Horace September 2006 Wanted
  • replacement +3 psuok, who would be kind enough to help an idiot build a replacement PSU for the +3 / +2a , from a PC power supply? Guesser has already helped out a gr…

    ... an idiot build a replacement PSU for the +3 / +2a , from ... i've found a PC PSU and i've gone out ... at the side of the PSU and looks like this helps ... this page about the +3 psu, and i'm finding it ...
    Hungry Horace Hungry Horace September 2006 Hardware
  • Problem with the plan of wiring of PSU ZX+3I found on the site the plan of wiring of the Power Supply of the ZX Spectrum+3, but I don't have the correspondence of the pins of card DIN with the…

    ... DIN with the tensions 12V, 5V and -12V, I am afraid ...
    Stephane Stephane November 2006 Hardware
  • Can a 48K PSU power a 12K Speccy?Hiya Does anyone know if the 128K speccy (the heatsink one, not a +2 or +3) can run using the same PSU as a 48K rubber keyed jobby? Have been think…

    ... ) can run using the same PSU as a 48K rubber keyed ... rating on the 128K bundeled PSU is only 400mA higher than ...
    Womble Womble February 2007 Hardware
  • 5v Transformer.I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?

    I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?
    dekh dekh March 2007 Hardware
  • spectrum PSU'sI've read contradictory info on which psu(ie amp rating) is for which spectrum. :confused: The models and amp ratings are 1.2A, 1.4, 1.85 and 48k, …

    ... read contradictory info on which psu(ie amp rating) is for ... (assuming its not the correct psu)?
    I have used tghis ...
    naz2000007 naz2000007 August 2007 Hardware
  • Irrelevant QuestionThis is an indeed irrelevent to the speccy scene question but since i searched and i searched and coulnd't find any help elsewhere, i desided to ask …

    ... .
    As expected the psu went dead (without making any ... the plug. After that the psu was giving out voltage ( ... first time i pluged the psu on 220V (before i ... I already ordered a european PSU but I'm very worried ... 10V on one pin and 5V on another (the third ...
    gtsamour gtsamour October 2007 Hardware
  • Spectrum +2 power supply - voltages on each pin..?My +2 suddenly stopped working yesterday. It was working fine earlier in the day and now the power light will not go on, nor will the tape drive and …

    ... the 6 pin on the PSU connector (i.e. on the ... 't appear to be any 5v points as the supply seems ... each pin on the +2 psu itself? I was hoping to ...
    STKD STKD January 2008 Hardware
  • +3 PSU PoorlyI have a +3 that just stopped working. Its the psu thats gone and opening it up discovered a blown fuse. After replacing the fuse it still doesnt wor…

    ... just stopped working. Its the psu thats gone and opening it ...
    ZX-MAD ZX-MAD May 2008 Hardware
<1234567…34>

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Related Threads

  • now lost the +5v from my +3 psuthe voltages i get from it are<br /> -12v<br /> +12v<br /> +0.61v<br /> <br /> what part needs replacing in the housebrick that is the PSU?<br /> <br…
  • ZX Spectrum 48k PSU Vs ZX Spectrum 128k PSUHi Guys,<br /> A very straightforward and simple question :-). I am buying next days a ZX Spectrum 128k without PSU. I own already a ZX Spectrum 48k…
  • +3 PSU vs +2 PSUI'm referring here to the black +2's :)<br /> <br /> Now, a closer look shows the differences between the power supplies for these really is:<br />…
  • what are exact current values on +2A's PSUI like to know what is written on an original +2A PSU nearby each voltage.<br /> I mean the current for +5V, the current for +12V and the current for…
  • 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 …
  • Humming psuI have just got myself a +2b and the psu is buzzing like mad. It seems to be working fine, though. It arrived this morning and I have had it switched…
  • Spectrum +2B on a PC PSUHello,<br /> <br /> Id like to attach my Spectrum +2B to a PC Power Supply. Im currently using an ATX power supply with my Amiga CD32.<br /> <br /> I…
  • What PSU is suitable for +2?if I don?t have the original one, what PSU I?ll need for that?
  • +3 psu schematics and partsHi everyone.<br /> <br /> 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…
  • kempston and/or psuhi there,<br /> <br /> just wondering if anyone had a spare kempston adaptor they wanted to give a good home?<br /> <br /> i will pay a couple of qui…

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