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Search Again :: Adv Search 1000 results in 0.024s
<1234567…34>
  • Need a ZX Spectrum +3 Motherboard...Hi there, Does anyone have a Spectrum +3 motherboard that they would be willing to part with? It doesn't need to be a working one, I just need the s…

    ... /> Does anyone have a Spectrum +3 motherboard that they would be willing ...
    Chris Chris August 2001 Sales
  • Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…

    ... /> I have a faulty Issue 3 motherboard and would appreciate it if ... same maybe with a Issue 3 board?


    Pierre
    Pierre Pierre April 2013 Hardware
  • Wanted: Spectrum +3 motherboard (pref. working)Thought I'd see if anyone has a working Spectrum +3 motherboard (just the mainboard, [b]no[/b] case, floppy drive, power supply adapter, cables, etc.…

    Thought I'd see if anyone has a working Spectrum +3 motherboard (just the mainboard, [b]no[/b] case, floppy drive, power supply adapter, cables, etc..).
    Also, any revision of the +3 is fine.

    Thomas
    thomas3120 thomas3120 November 2013 Wanted
  • RGB SCART Lead for +3 Spectrum. Picture issues. (Fades to Black, Rolling, Sync Issues)Hi there, I recently ordered a Sinclair Spectrum 128 +2 & +3 RGB Scart Cable (Ean13: 0705693506845) from coolnovelties.co.uk to use my Sinclair Spect…

    ... Sinclair Spectrum 128 +2 & +3 RGB Scart Cable (Ean13: 0705693506845 ... Separator to connect the Spectrum +3 to my Sony PVM. The ... +3. On RGB mode I will initially get a bright clear picture ... loses sync and the screen picture starts rolling.

    I ...
    tomlee80 tomlee80 February 2019 Hardware
  • +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…

    ... />
    6) My spectrum +3 (sn: U112922) was manufactured in ... made?
    what version motherboard does it have?
    ... Black +2s with a +3 motherboard?

    Do ... 1 or ISSUE 3 motherboard for the +3? If so ... a Black +2 motherboard with an earlier date ...
    guesser guesser September 2010 Hardware
  • Less MIA - Spanish Tutor, The Level A and The Level B [+3 disk]Hi All, +3 disk picture [IMG]http://forest.no-ip.org/wos/st/disk.jpg[/IMG] inlay1 [IMG]http://forest.no-ip.org/wos/st/inlay1.jpg[/IMG] inlay2 [i…

    Hi All,

    +3 disk picture
    [IMG]http://forest.no- ...
    gorski gorski July 2014 MIA/STP/SDP
  • Release date of ZX modelsWhat is release date of other ZX models ? ?. ?.1980 ZX 80 5. 3.1981 ZX 81 23. 4.1982 ZX Spectrum (rubber speccy) ?. 6.1984 ZX Spectrum + ?.…

    ... motherboard.[/QUOTE]

    Well you may be right but this picture ... it's clearly a +3 motherboard minus the disk interface components ... added, while the new +3 was completely redesigned by ... are used / omitted for the +3 / +2A respectively:

    ...
    deckard deckard April 2012 Sinclair Miscellaneous
  • Photo of ZX128+2 PCBWhere can I find photos of ZX128+2 PCB ? Exist two versions of PCB - ISS1 and ISS3. I need compare components positions on PCB.

    This is a +2 issue 3 motherboard. I took the picture myself.

    [URL="http://alessandrogrussu.altervista.org/img/IMG_6046.jpg"]http://alessandrogrussu.altervista.org/img/IMG_6046.jpg[/URL]
    Alessandro Grussu Alessandro Grussu December 2012 Hardware
  • Photo of ZX128+2 PCBWhere can I find photos of ZX128+2 PCB ? Exist two versions of PCB - ISS1 and ISS3. I need compare components positions on PCB.

    ... is a +2 issue 3 motherboard. I took the picture myself.

    velesoft velesoft December 2012 Hardware
  • BooHoo....Broken Speccy on 25th anniversary!Speccy broke today (today of all days!!) I'm presented with black screen on power up, anybody any ideas what might have gone wrong and any repair ti…

    Speccy broke today (today of all days!!)
    I'm presented with black screen on power up, anybody any ideas what might have gone wrong and any repair tips? i think its an Issue 3 motherboard.
    tinyspark tinyspark April 2007 Hardware
  • ZX81 1981 "ISS 3" Motherboard??I took my ZX81 apart today never seen inside one before so had a look and saw a mainboard I've never seen here or online before? [IMG]http://s13.pos…

    I took my ZX81 apart today never seen inside one before so had a look and saw a mainboard I've never seen here or online before?

    [IMG]http://s13.postimg.org/nmek9s793/IMG_20140818_160323.jpg[/IMG]

    [IMG]http://s13.postimg.org/ ...
    dreamscape dreamscape August 2014 Hardware
  • Spectrum +3 Sound problems.I recently acquired a Speccy+3 but there is a problem with it - the sound output through the TV is badly distorted, especially lower notes. Both the…

    ... /> ... and I've sent my +3 motherboard of for repair to a ... unexpected 'feature' of my Spectrum +3!

    My board is ... an issue 1 speccy+3 so maybe it was just ...
    Refrenz Refrenz June 2001 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…

    ... a place on the +2A motherboard for an ear/mic input ... think the +2A and the +3 motherboards are identical(other than ... like the one on the +3 motherboard. This socket(i think) incorporates ... . You could find a broken +3 and desolder the ear/mic ...
    thomas3120 thomas3120 January 2003 Sinclair Miscellaneous
  • How much power can I pull from a +3?Hi guys (and gals), Does anyone know how much of a load I can draw from the 5 volt line (lower pin 3of the expansion port)? I'm needing between 500…

    Would it be possible to power the +3 motherboard + the disc drive with one of the cables from a PC power supply ??
    swordheart swordheart August 2005 Sinclair Miscellaneous
  • How much power can I pull from a +3?Hi guys (and gals), Does anyone know how much of a load I can draw from the 5 volt line (lower pin 3of the expansion port)? I'm needing between 500…

    ... be possible to power the +3 motherboard + the disc drive with one ...
    absorbentgnome absorbentgnome August 2005 Sinclair Miscellaneous
  • Which Speccy is the best to buy...I'd be using it for games really, and thats about it. I'd like a 128k but I seem to remember people saying 128k +2's had problems playing some games.…

    ... . It's based on the +3 motherboard but with a tape deck ... the compatability issues of the +3 so is generally less desirable ...
    Matt_B Matt_B June 2006 Wanted
  • Garry Lancasters +3e site down?Hi, I have been trying to access Garry's page about the +3e ROM, because I know of a utility for the +3 he has on the site which makes it possible f…

    ... [/url]

    On the +3 you only need to short ... power cable straight to the +3 motherboard (hence the screen problems when ...
    b00mzi11a b00mzi11a July 2006 Sinclair Miscellaneous
  • ZX Spectrum Power Cable on +2AHi, Today I bought a +2A, but it is lacking a power cable. I rooted around and found one, but it is for an ordinary ZX Spectrum. Will it work? This…

    ...
    +2A, +2B and +3 (all black) have DIN connectors ... The difference is that +3 power sources have more power ... need much power). A +3 power source will work ... +2, and the +3 uses lots simply because the ... the drive on your +3 the picture goes shakey, you have ...
    DEATH DEATH September 2007 Hardware
  • Noob question. I'm stillconfused.I thought I had it all sorted out about the different models: +2....+2a....+3. But then, suddenly, I saw that there were a +2b. So, can anyone pleas…

    ... the different models: +2....+2a....+3.
    But then, suddenly, I ... closer to the 48k or +3 regarding compatibility ? And, is it ... black machine based on the +3 motherboard. In fact is the +2b ... muddled, the +3b was a +3 with fixed sound
    guesser guesser September 2007 Hardware
  • Which speccy do you use & why ?I`m lucky enough to have the choice of using a 48K original, a 48K+ and a 128+2B Sometimes I prefer the 128 because of it`s nice keyboard, crisp pic…

    ... the hardware issues affecting the +3 (no floating bus, edge connector ... intracate modificaition of the +3 motherboard to perform the +3 sound fix. That ... on that to work on +3 bus anyhow and don;t ...
    Hercules Hercules July 2009 Hardware
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... /> [B]Sinclair Spectrum 128k +2a/+3 System Rom Flash Replacement Board ... a test point on the +3 motherboard.

    The !WE line ... plugs into a +2A or +3 motherboard in place of the two ...
    guesser guesser December 2009 Hardware
  • Google Street View - Your locationsFollowing on from the thread about Google Street View up and running for most of Britain now, post pics of where you are in the world! Of course, if …

    ... 72-74 period)
    3) The picture of your street in the ... />
    After this clue number 3 made it very easy.
    Scottie_uk Scottie_uk March 2010 Chit chat
  • +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…

    ... />
    6) My spectrum +3 (sn: U112922) was manufactured in ... made?
    what version motherboard does it have?
    ... Black +2s with a +3 motherboard?

    Do ... 1 or ISSUE 3 motherboard for the +3? If so ... a Black +2 motherboard with an earlier date ...
    rich_chandler rich_chandler September 2010 Hardware
  • +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…

    ... .
    I don't think +3 was produced yet.
    Maybe ... you take for example that +3 motherboard that FrankT uploaded: I spot ...
    RetroTechie RetroTechie September 2010 Hardware
  • +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…

    ... you take for example that +3 motherboard that FrankT uploaded: I spot ...
    guesser guesser September 2010 Hardware
  • +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…

    ... " which is in fact the +3 motherboard with different component population
    3...

    Looking closely at ... in the Black +2 and +3 boards which don't appear ... seen.

    (the "+2A/+3 circuit" used numbers in the ...
    guesser guesser September 2010 Hardware
  • Schematic ErrorThere appears to be an error in the Schematic for the 128k +2A and +3 the error is present in both the redrawn TIF version and the original drawing …

    ... that)

    For a +3 motherboard, omit electrolytic capacitor C48

    For a +2A motherboard omit... well, lots of stuff ... :)

    *Anyone with a +3 motherboard, a multimeter, and limitless patience ...
    guesser guesser October 2010 Hardware
  • Recapping your SpeccyHas anyone ever done it? I have several vintage amps, tuners, cassette decks that have been recapped. So just wondering are there many on WOS who ha…

    ... of the electrolytics on my +3 motherboard while I was "upgrading" the ...
    guesser guesser October 2010 Hardware
  • Challenging Common Knowlege: The +2A/B[I]I was going to write a big long essay about my research on this subject, but being an incredibly lazy person I never really got anywhere with that…

    ... original +2A/+3 design are present on +2A motherboard!
    ... a photograph of a +3 motherboard without the floppy drive hardware ... +2A built onto a +3 motherboard. (As per the service ...
    The +2A is a +3 motherboard (Z70830) with several components omitted ...
    guesser guesser November 2010 Sinclair Miscellaneous
  • Challenging Common Knowlege: The +2A/B[I]I was going to write a big long essay about my research on this subject, but being an incredibly lazy person I never really got anywhere with that…

    ... ]
    The +2A is a +3 motherboard (Z70830) with several components omitted ... to convert it to a +3 with a disk drive? is ...
    Arda Arda November 2010 Sinclair Miscellaneous
<1234567…34>

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