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Search Again :: Adv Search 1000 results in 0.003s
<1234567…34>
  • 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
  • +2 grey 5v reg pinoutjust a quickie, had to buy a new 5v reg for the grey, now i cant remember which wire went to which pin! got brown red and black, im guessing the blac…

    ... , had to buy a new 5v reg for the grey, now ...
    Macc Macc January 2011 Hardware
  • Spectrum Missing -5vMy Spectrum is "almost" booting, just when you expect the (C) 1982 Sinclair Research to appear it just displays flashing squares on the screen :( I …

    ... be missing it's -5V, the +12V, +5V are ok

    OttO OttO November 2013 Hardware
  • ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …

    ... present and correct except for -5V which measures at -0.18V ... cause me a loss of -5V anyway). All diodes function correctly ... % clear to me how the -5V is derived, but I'm ...
    Leeorg Leeorg August 2014 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…

    ... is actually regulated down to 5v (and a lot of heat ... regulator, and inject a regulated 5v into where the voltage output ... regulator was?

    Regulated 5v PSU's are everywhere, because ... a PAL input, so a 5v mod and a composite mod ...
    Jamesbeat Jamesbeat August 2014 Hardware
  • 5v reg replacementHi all, Have been playing with one of my Issue 2 Spectrums and decided to replace the 5v regulator & heatsink with this wee switching reg I had lyin…

    ... and decided to replace the 5v regulator & heatsink with this ...
    IanJ IanJ August 2014 Hardware
  • Modifying a speccy to +5v only operation.Just a thought experiment so far. Let's say i wanted to make a more resilient spectrum by getting rid of the DC-DC converter circuit. This would remo…

    ... circuit. This would remove the -5v and +12v rails from the ... /> I would fit a Traco 5v 7805 switch mode replacement, i ...
    Rorschak Rorschak October 2019 Hardware
  • blew up my 128i did it - damn. i accidentally reverted the polarity of the power power supply, so ended up with a blown 5v stabilizer, which i replaced, but there …

    ... ended up with a blown 5v stabilizer, which i replaced, but ...
    mark mark November 2001 Sinclair Miscellaneous
  • OUT sentence.I have a little/big problem. I'm trying to use my Spectrum+ as an alarm device. I want to put TRUE in A6 pin of the SK4 connector ... with an OUT se…

    ... mean, if B3 pin has +5V, how can I put another ... +5V signal in A6 pin?
    < ...
    Zeraus Zeraus November 2001 Sinclair Miscellaneous
  • ZX PC Interface : The manual, schematics and more info... ZX &lt;-> PC Interface ------------------- Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Install…

    ... br /> 0v | +-+ | 5v R | +-+ | 5v A4 | +-+ | 5v A7 | +-+ | 5v
    ERR| | P0 ... +-+--+--+--+--+--+--+--+--+--+--+--+--+--+-+
    E | +-+ | 5v | +
    H | 7 ...
    Dr BEEP Dr BEEP December 2002 Sinclair Miscellaneous
  • ZX PC InterfaceZX &lt;-> PC Interface Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Installation 2.1) The softwa…

    ...
    0v | +-+ | 5v +R | +-+ | 5v A4 | +-+ | 5v A7 | +-+ | 5v
    *ERR| | *P0 ... +-+--+--+--+--+--+--+--+--+--+--+--+--+--+-+
    +E | +-+ | 5v | |
    +H | 7 ...
    Dr BEEP Dr BEEP January 2003 Announcements
  • 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
  • READ HERE! AUDIO IN FOR 128+2A???hey my name is Paolo and I'm from Italy..this is the first time that I post on this forum..I would like to connect or create an EAR input or somethin…

    ... ,with 4 "pins": GND,PLAY,+5V,REC and TEST(but it ...
    DaRkHoRaCe DaRkHoRaCe January 2003 Sinclair Miscellaneous
  • Install a Sintech Video adaptor in a Spectrum+Hi all, I'm an old Commodore user (boo! hiss!) that's aquired his first Spectrum. Since my modern TV doesn't like the RF output of any old computer …

    ... box case.

    3. +5V. This can supposedly be taken ...
    Bacon Bacon June 2003 Sinclair Miscellaneous
  • Normal (Atari Style) Joystick -> SJS1 (ZX 128 +2) AdaptorAnyone here has a schematics for an adaptor that would let you connect normal joysticks (Quick Shot 2, Zipstik, Competition Pro, etc.) to ZX Spectrum…

    ... ,Up,Down,Fire1,(Fire2),GND,+5V(for autofire enabled joysticks).
    Tom-Cat Tom-Cat November 2003 Sinclair Miscellaneous
  • SDP: Floppy adaptors available to contributers !!!Hi folks, I've got a few more of those plus 3 adaptors that will allow you to read and write your 3" disks. The aim is to get you all motivated int…

    ... but reverse the cable because 5v and 12v are reversed on ...
    Andrew Barker Andrew Barker March 2004 MIA/STP/SDP
  • s-video SuccessHaving tried the various composite video fixes for the +3 etc, I was left feeling a little cold at the results, and was about to give up my quest for…

    ... to weak)
    Ground and +5v can be obtained from 2 ...
    dasteph dasteph April 2004 Sinclair Miscellaneous
  • Broken keyboard?Maybe long time ago discovered (o; Just found that if the keyboard isn't working anymore but the key foil itself is intact you need to cut of the 5 …

    ... pull-up resistors connected between 5V and the 5-pin keboard ...
    klingler klingler July 2004 Sinclair Miscellaneous
  • Spectrum setY still have a ZX Spectrum (48k) (Europe) with a lot of accessories Cassettrecorder Interface 1, Microdrive Multiface 1 Kempston- Interface, Joysti…

    ... drive needs additional power supply +5V u. +12V as usual at ...
    gekarb gekarb September 2004 Sales
  • Broken ZX 48kHey all. I have acquired a broken ZX 48k. It looks in good condition - tried the membrane and it is working with my other 48k very well. When you tu…

    ... that is just after the +5V regulator), but nothing else was ...
    Tom-Cat Tom-Cat September 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…

    ... should have two pins with +5V , two pins with +12V , one ...
    Tom-Cat Tom-Cat May 2005 Sinclair Miscellaneous
  • Help with +3 in comaHi everyone Had a spectrum +3 under the bed for some time and when replacing its drive i accidentally connected the 5v and the gnd of the led. Now…

    ... drive i accidentally connected the 5v and the gnd of the ...
    odious odious August 2005 Sinclair Miscellaneous
  • 3" floppy in pcI'm in need of some assistance. I have attached a 3" floppy to my pc using a cable as described at [url="http://newton.sunderland.ac.uk/~specfreak/F…

    ... standard pc floppy has the +5v and +12v wires switched), I ...
    jagman5994 jagman5994 September 2005 Sinclair Miscellaneous
  • oh man just about to build Athlon 64 and need some questions answered heeelpI've bought a AMD ( venice )Athlon 64 3200 it came with the AMD heatsink fan on the bottom of the fan is a bluey grey square patch. am i right in thi…

    ... i think .8v and 1.5v only, if the graph card ...
    swordheart swordheart December 2005 Chit chat
  • 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…

    ... have been tapping the necessary 5V from my PC's powersupply ...
    8bitten 8bitten February 2006 Sales
  • +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. …

    ... outputs 12V but not the 5V. As far as i could ...
    odious odious June 2006 Hardware
  • Using a +3 power supply to power a CPC.Hi there, I'm going to try and power a CPC6128 using a +3 power supply. The +3 supplies 12V DC 0.2A and 5V DC 2A, the CPC6128 needs 12V DC 0.4A and …

    ... 12V DC 0.2A and 5V DC 2A, the CPC6128 needs ... 12V DC 0.4A and 5V DC 2A.

    It ... make accidental connection between the 5V and 12V lines safer by ...
    Jmk Jmk September 2006 Hardware
  • Composite video mod on a 16K issue 2, not workingI carried out the composite video mod detailed here: [url]http://user.tninet.se/~vjz762w/fixuspec.html[/url] I chose the one that requires the trans…

    ... checked the video in and +5V lines by measuring the voltages ...
    patters patters September 2006 Hardware
  • 128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…

    ... :

    c34 (+side) +5V
    D19 -5V
    MC1488N pin14 +12V ...
    netomc netomc September 2006 Hardware
<1234567…34>

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Related Threads

  • 5v Transformer.I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?
  • +2 grey 5v reg pinoutjust a quickie, had to buy a new 5v reg for the grey, now i cant remember which wire went to which pin! got brown red and black, im guessing the blac…
  • 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…
  • R-785.0-1.0 5v 1A DC-DC converter Group Order.As discussed in the other thread there seems to be interest in getting a consignment of these devices.<br /> <br /> I can get 50 @ [strike]?4.40[/str…
  • Cheapest place for 5v Recom 1.5AAnyone know the cheapest place to get these in singles from? Got a speccy project in the works
  • Spectrum Missing -5vMy Spectrum is "almost" booting, just when you expect the (C) 1982 Sinclair Research to appear it just displays flashing squares on the screen :(<br …
  • ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all,<br /> <br /> I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe …
  • Powering a Spectrum with 5v?I live in the States, but I'm originally from England.<br /> <br /> My original Spectrum is still at my mum's house in the UK, and I was thinking of …
  • 5v reg replacementHi all,<br /> <br /> Have been playing with one of my Issue 2 Spectrums and decided to replace the 5v regulator &amp; heatsink with this wee switchin…
  • Modifying a speccy to +5v only operation.Just a thought experiment so far. Let's say i wanted to make a more resilient spectrum by getting rid of the DC-DC converter circuit. This would remo…

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