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Search Again :: Adv Search 1000 results in 0.037s
<1234567…34>
  • Ferguson 3T31 circuit diagram availableFinally managed to get the circuit diagram for this beastie. I'll upload it to WoS soon enough, in the meantime, PM me with your email addy if you w…

    Finally managed to get the circuit diagram for this beastie. I'll upload it to WoS soon enough, in the meantime, PM me with your email addy if you want it.
    DEATH DEATH August 2013 Hardware
  • ZX Spectrum Pre-regulator DesignCarrying on from the "[URL="http://www.worldofspectrum.org/forums/showthread.php?t=44486"]Issue 2 crashes after about 30 mins[/URL]" thread... [QUOT…

    ... =1024MAK;713643][U][B]ZX Spectrum Pre-regulator Design[/B ... the Sinclair "9V" PSU and the ZX Spectrum.
    It ... br /> Here is the provisional circuit diagram / schematic:[IMG]http://farm4.staticflickr ... /> Output voltage from Sinclair ZX PSU on-load: 10.95V ...
    1024MAK 1024MAK August 2013 Hardware
  • ZX to EGA - it works !!I finally hooked up EGA monitor to ZX. Everybody can repeat if can hold the soldering iron in the arm. The circuit diagram is simple, it contains two…

    ... hooked up EGA monitor to ZX. Everybody can repeat if can ... iron in the arm. The circuit diagram is simple, it contains two ... transistor. I can send the diagram by email if you need ...
    Konstantin Konstantin November 2001 Sinclair Miscellaneous
  • +2 / +3 PSU Scematic...Hi all, Does the schematic / circuit diagram exist for the +2 / +3 PSU anywhere online ? Cheers. Phill.

    Hi all,

    Does the schematic / circuit diagram exist for the +2 / +3 PSU anywhere online ?

    Cheers.

    Phill.
    prime prime January 2013 Hardware
  • Issue 2 crashes after about 30 minsHi Guys, I have an Issue 2 zx spectrum that seems to get graphic corruption after about half hour of playing, then finally falls over and crashes. …

    [U][B]ZX Spectrum Pre-regulator Design[/ ... /> Okay, been messing with a circuit simulator :razz:

    ... between the Sinclair "9V" PSU and the ZX Spectrum.
    It ...
    Here is the provisional circuit diagram / schematic:[IMG]http://farm4.staticflickr ...
    1024MAK 1024MAK July 2013 Hardware
  • Switched voltage regulatorIn the past a replacement voor the (hot!) 7805 has popped up a couple of times in various threads. As far as I know, Recom Power Inc. was always ment…

    ... worldofspectrum.org/forums/discussion/44637/zx-spectrum-pre-regulator-design< ... between the Sinclair "9V" PSU and the ZX Spectrum.
    It ... but sadly there is no circuit diagram and I have never seen ... in sound amplifiers because the PSU alone would induce a ...
    Renegade Renegade November 2015 Hardware
  • Switched voltage regulatorIn the past a replacement voor the (hot!) 7805 has popped up a couple of times in various threads. As far as I know, Recom Power Inc. was always ment…

    ... , as this was a unmodified ZX Spectrum, so the video was ... ?) but sadly there is no circuit diagram and I have never seen ... -in sound amplifiers because the PSU alone would induce a lot ...
    1024MAK 1024MAK November 2015 Hardware
  • Heeeeeeeeeeeelp!!!I NEED the circuit diagram for the +3 PSU. I blew up a transistor trying to fit a drive B: last night :cry:

    I NEED the circuit diagram for the +3 PSU. I blew up a transistor trying to fit a drive B: last night :cry:
    guesser guesser September 2004 Sinclair Miscellaneous
  • +2 (grey) Circuit Schematic?Has anyone got a circuit diagram for the original grey +2? There are a few diagrams in the back of the 128 service manual on WoS, but none of these …

    Has anyone got a circuit diagram for the original grey +2? < ... odd fault in the sound circuit that I want to diagnose ...
    trellis trellis July 2006 Hardware
  • Personal Software magazineHere's a list of the type-ins for the issues of the Personal Software magazine already in the WOS archive. (Note: Some listings may have previously …

    ... have previously been published in ZX Computing)

    Personal Software ... ,Clyde Bish
    57-59,Circuit Diagram Sketch,G L Maynard
    c1541 c1541 February 2010 Support files
  • ZX Setup QuestionsHi guys! I have been reading around the forums and love what is goin on. Anyways I just got my first ZX Spectrum (16k, rubber keys, boxed and compl…

    ... I just got my first ZX Spectrum (16k, rubber keys, boxed ... adapter and use the provided ZX PSU.

    Additionally I am ... . The video output of the ZX is composite right? So would ...
    Coffeeandmeat Coffeeandmeat July 2011 Hardware
  • Oric Atmos fixAnyone ever tried to fix that tape flaw that they shipped with? Heres an excerpt from somebody over at old-computers.com of someone who had; [QUOTE…

    ... Oric rather than a Sinclair ZX Spectrum because I liked the ... by then the Oric-1 circuit diagram had been published in Oric ... User Magazine and comparing the diagram with what was actually in ...
    Macc Macc January 2012 Chit chat
  • Power Play Joystick InterfacePower Play Joystick Interface for the ZX Spectrum. This is a Kempston compatible interface. Address decoding Any IO address where A5 is low... …

    ... Play Joystick Interface for the ZX Spectrum.
    This is a ... 0[/code]

    Schematic circuit diagram:
    [img]https://farm5.staticflickr ...
    1024MAK 1024MAK July 2017 Hardware
  • Lawtronics RGB Schematics ?Hi folks, I have a Lawtronics RGB interface which only half works with my Amstrad CTM 644 monitor. I believe the problem lies with one of the resist…

    ... them if they have a circuit diagram - will get back to you ... for the ZX Spectrum computer.

    I need a circuit diagram of ...
    DEATH DEATH November 2005 Hardware
  • Lawtronics RGB Schematics ?Hi folks, I have a Lawtronics RGB interface which only half works with my Amstrad CTM 644 monitor. I believe the problem lies with one of the resist…

    ... ZX Spectrum computer.



    I need a circuit diagram of ...
    DEATH DEATH November 2005 Hardware
  • Loading games onto a real Speccy from an iPodA regular on my site recently bought a 48k Speccy and tried to run programs stored on his iPod, but the volume just wasn't enough so he added a modif…

    @Skarpo

    Circuit diagram and details etc of a ... , runs from a spare 48K PSU and boosts the signal enough ...
    DEATH DEATH February 2006 Sinclair Miscellaneous
  • Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …

    ... the main point of that PSU circuit is to supply the lower ... of components to make the PSU circuit more reliable. Have you tried ... spec as detailed in the circuit diagram?

    Anyway, PM me ...
    DEATH DEATH January 2007 Hardware
  • Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …

    ... the main point of that PSU circuit is to supply the lower ... of components to make the PSU circuit more reliable. Have you tried ... spec as detailed in the circuit diagram?

    Anyway, PM me ...
    gtsamour gtsamour January 2007 Hardware
  • ZX Spectrum 128+ problemsHello!I recently purchased and got myself a spectrum 128+ from ebay.The item did not have an original power supply so i got a power supply of 9volts …

    ... possibility to rule out first (PSU) before you start being suspicious ... 40056 ICs spare. From the circuit diagram of the two machines, it ...
    Phu Phu July 2007 Hardware
  • Broken 128+2 :(Just got my eBay Speccy through the other day, plugged it in and everything but the red light on the keyboard doesn't come on and there's no connecti…

    Wot no circuit diagram?!?!?

    [url]http://8bit.yarek.pl/computer/zx.plus2/plus2sch.png[/url]

    See if that helps...

    LaesQ
    LaesQ LaesQ October 2007 Hardware
  • Broken 128+2 :(Just got my eBay Speccy through the other day, plugged it in and everything but the red light on the keyboard doesn't come on and there's no connecti…

    ... no circuit diagram?!?!?

    [url]http://8bit.yarek.pl/computer/zx.plus2 ... think Martijn would like that diagram also!
    DEATH DEATH October 2007 Hardware
  • zx spectrum +3hello fellaes from europe, greece, last week finally i found a zx spectrum 3, with a damaged drive, a power supply that works fine, and a black wire …

    ... week finally i found a zx spectrum 3,
    with a ... the port TV of the zx
    to the tv antenna ...
    finally i own a zx
    thanx[/QUOTE]

    circuit diagram available on this site :)
    DEATH DEATH November 2007 Hardware
  • Spectrum 'slow down' hardwareAny one else got one of these ? If so do you find it useful ? [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=…

    ... ?d love to see the circuit diagram if anyone has a copy ... software. Does anyone remember the ?ZX Slowloader? by East London Robotics ...
    RST#08 RST#08 October 2008 Hardware
  • Spectrum 'slow down' hardwareAny one else got one of these ? If so do you find it useful ? [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=…

    ... ?d love to see the circuit diagram if anyone has a copy ... software. Does anyone remember the ?ZX Slowloader? by East London Robotics ... of SLOW-DOWN interface for ZX Spectrum. (signal OUT must be ...
    velesoft velesoft October 2008 Hardware
  • +3 No power LED, disc motor continually spinning..and no display. I searched the posts and i found a really old thread going back to 2004 where fuses in the psu were discussed, checked em in this an…

    ... case is open on the psu im measuring from inside, im ... ? Im very nervous when around psu's, had a few nasty ... have a copy of the circuit diagram? There are several places you ...
    guesser guesser December 2011 Hardware
  • RAM disk interface for 48kDoes anything like that exist?

    ... was. If I bring the circuit diagram close enough to see the ... a RAM disk for the ZX Spectrum SE (which would have ...
    chev chev April 2012 Hardware
  • ZX Spectrum power supplyHi, I'm looking for a small lightweight power supply that would be a perfect substitute for the original, it's meant for a video patched zx spectrum…

    ... /repairing) I use an original ZX PSU, but passed through a regulator ... to adjust my dc-dc circuit to test this.
    Johan1973 Johan1973 August 2012 Hardware
  • +3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…

    ... like the +3B circuit on [url]www.secarica.ro/zx/[/url]
    circuit diagram and added the extra components ... the modified collector to base circuit currently running on my + ... of 1.061kHz. This circuit will still sound noticeably filtered ...
    rga24 rga24 April 2013 Hardware
  • AVR ZX Spectrum V2_0Good time! Glad to present my new development - AVR ZX Spectrum V2_0. Sorry, have no english version of this video. [url]http://www.youtube.com/watch…

    AVR ZX Spectrum V2_0 support-pack, revision2:< ... for all controllers, some models ZX Spectrum;
    - PCB project in ... for device working control;
    - circuit diagram, assembly rrawing, user manual (but ...
    Vasil Vasil December 2014 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... using were making the ZX PSU run rather hot. At ... in turn fed a circuit board that I made ... no longer using the ZX PSU with the Spectum, the ...
    The original ZX Spectrum PSU was modified slightly and has ... board, the self built PSU (both sections). But they ...
    1024MAK 1024MAK September 2015 Hardware
<1234567…34>

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