World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.027s
<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
  • Issue 2 Board - CPU 'Patch'I've been wondering why my issue 2 board has been kicking out this signal when powered up... [IMG]http://www.drumfu.com/ResizedDuffIssue2.jpg[/IMG] …

    ...
    [INDENT][I]Issue 2 Spectrums have TR6 soldered across ... incorporated on the printed circuit board. It operates in ... />
    [INDENT][I]Issue 2 boards fitted with the Type ... resistor modification (see Issue 2 circuit diagram for details).[/I][/INDENT]
    jp jp September 2008 Hardware
  • Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…

    ... also modified the power supply circuit (resistor change and addition of ... it is on the Issue 2 circuit diagram. As I mentioned somewhere earlier ... shown in the Issue 3 diagram. Is this a mistake in ... the diagram or were there different versions ...
    Zorn Zorn December 2011 Hardware
  • Spectrum 48K - upper memory MIAI have recently acquired a ZX Spectrum which, according to the sticker on the bottom, should be a 48K model. It's an Issue 3 board, with upper memory…

    ... mine about repairing an Issue 2 Spectrum and perhaps the ROM ... here come from the Issue 2 circuit diagram. Some of the later Spectrums ... have a slightly different circuit.

    I suppose it ...
    Zorn Zorn February 2012 Hardware
  • Occasional noise over RGB on +2AHi all I have a +2A that is misbehaving at the moment. I'm using the RGB to SCART lead (which incedentally is great on my +3) The problem is, the …

    ... actualreality;606053]

    2. Are you sure it's ... it on. The 128k/+2 is not the same ... br /> The 128 and the +2 are not the same either ... output. The +2 manual claims the +2 has the same, ... output.

    The +2 circuit diagram and PCB layout show the ...
    Zorn Zorn February 2012 Hardware
  • +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?
    There are ... a +2 with an odd fault in the sound circuit that I ...
    trellis trellis July 2006 Hardware
  • Grey +2 video output and oddities.I've been experimenting with one of the above that I acquired years ago, but had just been buried at the back of a cupboard. I've connected it up to…

    ... look at the circuit diagram and inside my +2. The circuit diagram shows video ... normally configured on new grey +2 Spectrums?

    Having ... composite output on the +2's video connector not being ... ULA bug corrected for the +2?

    Finally, ...
    Zorn Zorn January 2012 Hardware
  • +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
  • Correction of +2 hardware errorsThis is a collection of various pieces of information picked up from various places, including a lot from this forum. I have edited it and reworded i…

    ... />
    [U][B]Correction of +2 hardware errors:-[/B][/U]

    The circuit diagram shows video output options called ... Peritel. The links in most +2 machines in the UK are ...
    1024MAK 1024MAK January 2013 Hardware
  • +2 Tape inputHi, my +2 tape player has died. It started off with most of the wires detatching at the solder points, so I rewired using a couple of images/diagra…

    Hi,

    my +2 tape player has died. It ... the ear socket, the cassette circuit diagram or advice how to test ...
    rune rune April 2014 Hardware
  • Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …

    ... fix up my Issue 2 and have run across ... br />
    Spectrum: Issue 2, 48k
    Initial problem: ... of tweaking of VR1,2 fixed the colour issue ... .
    2. MEMCHK returned 32767, upper ... of the socket against the circuit diagram: all okay.

    Trafferth Trafferth August 2014 Hardware
  • No colour - Issue 2 SpectrumThis one is driving me mad - any suggestions appreciated. I have an issue 2 Spectrum with no colour at all. I found the 12v rail was at just over …

    ... /> I have an issue 2 Spectrum with no colour at ... change. Looking at the circuit diagram, the only other semiconductors ... in the video circuit were a couple ... on a different issue 2 board to verify it ... a fully working issue 2 board to check against ...
    Graham Graham October 2015 Hardware
  • Mysteries of Electricity QuizA little fun quiz that I know the answers to, but may lead to some head scratching and disbelief, but there's easy experiments than can be performed …

    ... , if any?
    (google a circuit diagram of a car's electrics ... /> C - Neither

    Question 2:

    What gets ignited ...
    FrankT FrankT March 2007 Chit chat
  • 128 I/O portsIn The Spectrum Hardware Manual there is a small circuit on page 71/72 to allow 128 I/O ports by using IORQ+A7 to override IORQGE, so any I/O access …

    ... that the circuit cannot be used with an Issue 2 Spectrum ... notice from the Interface 1 circuit diagram that it includes the ... 0. Would a similar circuit have the same effect:
    circuit:
    [code]
    +--+ ...
    Jonathan Harston Jonathan Harston November 2007 Hardware
  • Spectrum 128 service manual.Hi, i have been looking at the speccy 128 service manual at [url]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128K_Technical…

    ... />
    And it seems the circuit diagrams in the back are ... a speccy 128 Circuit diagram or (for preference) a speccy +2 circuit (The original ...
    spodula spodula December 2008 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 …

    ... Personal Software - Spring 1984 (Volume 2, Number 4)
    PAGE,ARTICLE ... Bish
    57-59,Circuit Diagram Sketch,G L Maynard
    2,Robert Erskine
    80- ... /> PAGE,ARTICLE,AUTHOR
    2,Peeking About,Don Thomasson
    c1541 c1541 February 2010 Support files
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... are two +2A/B circuit boards (ISSUE 1 and ISSUE ... both ISSUE 1 and ISSUE 2 circuit boards bear (C) 1988 ... in the "+2B/+3B" diagram of the +3 amendment service ... with the "+2A/+3" circuit of the +3 service manual ... from the "+2A +3" diagram from the +3 service manual ...
    guesser guesser September 2010 Hardware
  • 128k ULA pinout?Is there someone who has a circuit diagram or pinout for the 128k (+2) ULA?

    Is there someone who has a circuit diagram or pinout for the 128k (+2) ULA?
    Johan1973 Johan1973 August 2012 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…

    ... .php?t=44486"]Issue 2 crashes after about 30 ... /> Okay, been messing with a circuit simulator :razz:

    ...
    Here is the provisional circuit diagram / schematic:[IMG]http://farm4.staticflickr ... ZD1 .... 8.2V 500mW ZPD8.2 Diotec Zener Diode 500mW 8 ...
    1024MAK 1024MAK August 2013 Hardware
  • Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…

    ... to get run.
    2. A fault with the Z80 ... of those. Looking at the circuit diagram, however, I formed a ... boards (e.g. an issue 2) is the familiar "spider" - ... TR6, and they all showed 2.4k - when they should ... which now functions as a 2.4k resistor) will probably ...
    Winston Winston December 2013 Hardware
  • 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... …

    ... - bit 3 - Up
    Pin 2 - bit 2 - Down
    Pin 3 ... 0[/code]

    Schematic circuit diagram:
    [img]https://farm5.staticflickr ...
    1024MAK 1024MAK July 2017 Hardware
  • 2 questions regarding partial port decoding1) What happens if the Spectrum reads from a port whose number matches the criteria for more than one device ? Does only one of the devices get to r…

    ... ).

    [quote]

    2) What are the exact criteria ... ..A0) are involved in the circuit diagram and those will be the ...
    Alcoholics Anonymous Alcoholics Anonymous August 2004 Development
  • 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 ... /saving/ That is to say, 2 48K machines, amp in between ...
    DEATH DEATH February 2006 Sinclair Miscellaneous
  • Keyboard layouts(pale-gray and bluegray)Hello! I friend of mine has asked this question in another swedish forum. ( [url]www.vintagegames.se[/url] ) When the Sinclair Spectrum 16k was rel…

    ... place. If you followed the circuit diagram though, and noticed the "mistake ... find they had an issue 2 "factory refurb" board in the ...
    DEATH DEATH June 2006 Hardware
  • +3 soundhello there, just a quick-fire question today. i'm kinda keen on the idea of using my +3 quite a bit, particularly if i bother to to actually sort …

    ... in the bottom left 2 say "p9" and 2 say "SN".... any ... *most* of them on the circuit diagram are marked as to which ...
    Hungry Horace Hungry Horace July 2006 Hardware
  • Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …

    ... ROMs with the grey +2. The grey +2 is basically a 128 ... ROM chip). The black +2 is basically a +3 without ... read the newer ones had 2 ROMs... I take it ... />
    Is there a good circuit diagram I can look at to ... looked like on the grey +2. If they were standard ...
    JamesD JamesD September 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 …

    ... figures.

    You found 2 12V lines as there ARE ... 2, it's just that one ... need diodes? Show me a circuit diagram or something, I'm not ...
    DEATH DEATH September 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 …

    ... need diodes? Show me a circuit diagram or something, I'm not ... CPC6128 is powered by a 2.5mm DC plug (HH62S) at ... 5V (2A) and a 2.5mm DC socket (JK12N) at ...
    Jmk Jmk September 2006 Hardware
  • Low speaker volume on a repaired issue two speccyI repaired an issue two speccy which was totally wrecked and missing many parts. I installed the missing parts (resistors, transistors) and replaced …

    ... you've repaired that issue 2 - but for the benifit of ... , take a look at the circuit diagram of an issue 3+. My ... you can't understand the circuit diagram well enough to make the ...
    DEATH DEATH January 2007 Hardware
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... machine (it's an Issue 2). Screen stays black for the ... it several times with a circuit diagram and a continuity tester. Voltages ...
    DEATH DEATH March 2007 Hardware
<1234567…34>

Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

HitBox

Word Docs Hits
2 91.4K 149.6K
circuit 4K 5.5K
diagram 807 936

Related Threads

  • 2 x Spectrum cases,2 bust mobos,2 tape decks,2 Keyboards Free stuffHi,I am having a clear out of my old stuff I have the following to give away if who ever wants the stuff,pays the postage.<br /> <br /> 1 x Black 128…
  • Announce: EmuZWin 2.5 Release 2.2 Post-FinalEmuZWin Version 2.5 Release 2.2 post-FINAL (16-Oct-2004): <br /> [-] A small pause added between TAP blocks while loading tape from .TAP image (other…
  • ZX-Paintbrush 2.6.3 and ZX-Blockeditor 2.4.2 publishedDear readers,<br /> as you see in the subject, two of my ZX-Modules applications have been updated today. The very special change, kindfully and ver…
  • Beta versions of Fuse 0.6.2 and libspectrum 0.2.1 availableDear all,<br /> <br /> The Fuse team is pleased to announce the release of a beta version of the upcoming 0.6.2 release of Fuse and the Fuse utilitie…
  • question about EmuZWin 2.2can anyone please tell me how to load the games after the first 1 on a cover/complimation tape. i'm using emuZwin 2.2 i know the old way is [load"gam…
  • Short circuit (part 2)In SC part 2, the screen scrolls to the right and you have to jump over obstacles, avoid animals, etc.<br /> <br /> My question is....<br /> Does thi…
  • Fuse 0.6.2 and libspectrum 0.2.1 releasedThe Fuse team is pleased to announce the release of version 0.6.2 of the Free Unix Spectrum Emulator (Fuse) and associated utilities, as well as vers…
  • SpecEmu 2.2Just downloaded this emulator. Seems very nice. I like simplicity of user interface - I don't need toolbar and icons. Debugger is also good. The abil…
  • Release candidates for Fuse 0.7.0 and libspectrum 0.2.2Hi all.<br /> <br /> Release candidates for [url="http://fuse-emulator.sourceforge.net/fuse-0.7.0pre1.tar.gz"]Fuse 0.7.0[/url] (and [url="http://fuse…
  • (Belated) ANNOUNCE: Fuse 0.7.0 and libspectrum 0.2.2 releasedThe Fuse team is pleased to announce that release of Fuse 0.7.0, the associated utilities and version 0.2.2 of the Spectrum emulator support library,…

Related Searches

  • saboteur 2 speed up
  • ula model 2
  • 2 buttons
  • fix missing message spectrum 2
  • fix missing message spectrum 128k 2
  • rom spectrum 128k 2
  • currah micro source circuit diagram
  • spectrum 128 tape recorder circuit diagram
  • spectrum 2 tape recorder circuit diagram
  • spectrum 128k 2a tape recorder circuit diagram
  • spectrum 128k tape recorder circuit diagram
  • spectrum 2a tape recorder circuit diagram
  • recorder circuit diagram
  • 2 power supply circuit
  • 2 circuit diagram
  • zx power supply circuit diagram
  • zx psu circuit diagram
  • interface 2 circuit
  • kempston 2 button circuit
  • zx spectrum circuit diagram

Copyright © 2024 World of Spectrum