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<1…10111213141516…34>
  • Easy storage device.Hi all, I am fed up with unreliable tape / wav loading on my +2b so would really like another way of loading games. I know nothing at all about how …

    ... plugging joystick interfaces into the +2A / +2B / +3 models though. The ... agreed to fit a new motherboard because their was no mention ...
    Hercules Hercules November 2009 Hardware
  • Easy storage device.Hi all, I am fed up with unreliable tape / wav loading on my +2b so would really like another way of loading games. I know nothing at all about how …

    ... plugging joystick interfaces into the +2A / +2B / +3 models though. The ... agreed to fit a new motherboard because their was no mention ...
    Winston Winston November 2009 Hardware
  • Loading games from MP3 playersI read on here ages ago about people running Speccy games from MP3 players or iPods.. Would I be right in assuming that you would plug said player i…

    ... a similar thing with my +2A. you have to link wire ... two wires to pins on motherboard for pcb. One was ear ...
    rustyredline rustyredline December 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 ... 16k rom images (a full +2a/+3romset). A TTL quad 2 ... test point on the +3 motherboard.

    The !WE line ... . It plugs into a +2A or +3 motherboard in place of the ...
    guesser guesser December 2009 Hardware
  • ZX +2 - Can I connect external tape player?Is it possible to connect external tape player to ZX Spectrum +2/A and use it instead of the internal player? The connector is marked tape/sound, but…

    ... of the motherboard (They are clearly marked on the +2A).

    thingley thingley June 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…

    ... />
    1) There are two +2A/B circuit boards (ISSUE 1 ... changed the name from the +2A to +2B, however both ISSUE ... between the schematic from the "+2A +3" diagram from the +3 ... it made?
    what version motherboard does it have?

    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…

    ... the conclusion that the +2A and +3A motherboard are one and the ... +2 that has the wiggly motherboard is in fact a +2B ... , hence all versions of that motherboard having the fixed modified output ...
    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…

    ... on the underside? (e.g. +2A, +2B, +3, +3B?) and what ... ) what part number is your motherboard? (e.g. Z70830, Z70833, ????)
    motherboard?

    5) If you ...
    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…

    ... the "+2A circuit" which is in fact the +3 motherboard with different ... 've seen.

    (the "+2A/+3 circuit" used numbers in ...
    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…

    ... />
    +2A, Made In Taiwan
    Serial No. U046140
    Motherboard Z70833 ... /> Serial No. U099..unreadable
    Motherboard Z70830, Issue 2
    R67 ...
    Serial No. U062407
    Motherboard Z70830, Issue 2
    R67 ...
    glancaster glancaster 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…

    ... />
    +2A, Made In Taiwan
    Serial No. U046140
    Motherboard Z70833 ... /> Serial No. U099..unreadable
    Motherboard Z70830, Issue 2
    R67 ...
    Serial No. U062407
    Motherboard Z70830, Issue 2
    R67 ...
    guesser guesser September 2010 Hardware
  • Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…

    ... arrays in the +2 and +2A/B were manufactured by N ... off the board because the motherboard has been flexed etc but ...
    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…

    ... ;489639]
    The +2A is a +3 motherboard (Z70830) with several components ...
    Arda Arda 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…

    ... />
    A genuine +2A (i.e a Z70830 motherboard in a Black ... />
    To turn a +2B motherboard (Z70833 board, most Black +2s ... an upgrade interface for the +2A/B.
    guesser guesser November 2010 Sinclair Miscellaneous
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    ... 'd bet that BiNMaN's +2A is in fact a +2B ... /> The +2A and the +3 use EXACTLY THE SAME motherboard, so both ... that have "+2A" moulded into the case contain a +2B motherboard. (and ...
    guesser guesser December 2010 Hardware
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    [QUOTE=guesser;495585]

    [b]The +2A and the +3 use EXACTLY THE SAME motherboard, so both have the flawed sound.[/b]



    :)[/QUOTE]

    Including the fdd controller etc?
    Glenn Glenn December 2010 Hardware
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    [QUOTE=guesser;495585]The +2A and the +3 use EXACTLY THE SAME motherboard[/QUOTE]

    So we can fit a socket to +3 mobo casette solder points, and add an +2a tape and +3e roms then we got the ultimate speccy?
    Arda Arda December 2010 Hardware
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    ... solder points, and add an +2a tape and +3e roms then ... could yes... but the +3 motherboard has tape input so you ...
    guesser guesser December 2010 Hardware
  • +2 Grey external tape modIve had a search through previous posts and besides mclouds mod for the +2a I couldnt find anything pertaining to the grey, only reason im posting is…

    ... the same as on the +2A and +2B, the PLAY and ... it goes on my +3 motherboard.
    Alien 8 Alien 8 December 2010 Hardware
  • +2 Grey external tape modIve had a search through previous posts and besides mclouds mod for the +2a I couldnt find anything pertaining to the grey, only reason im posting is…

    [QUOTE=Alien 8;498293]I think I have even seen the place where it goes on my +3 motherboard.[/QUOTE]

    yes, the +3 and the +2A use the same board, the header is not fitted on the +3 so there are just 5 holes filled with solder
    guesser guesser December 2010 Hardware
  • Z80 Edge Connectors - ProjectsHello there my fellow Spectrum-mites I am looking to source a few of these connectors - while I could just rework some old ISA socket for proto's I …

    ... Tacatta Sound)

    GB1000 (motherboard and components)
    [/indent]
    ZX Spectrum 128 +2A (needs repair)
    ZX ... *SAGA Mk3 is a Zx48k Motherboard in stylish pc-like keyboard ... plan to remove the 48K motherboard and plumb in a ...
    Zetr0 Zetr0 March 2011 Hardware
  • +2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?

    ... ]
    Most +2A cases though contain a +2B motherboard. So if you ... me thinking I have a +2A when all the time it ...
    john58 john58 April 2011 Hardware
  • Spectrum +2B HelpHello there my fellow WoS'ers Recently I bought a Spectrum +2 from eBay, it turns out to be a +2B from China, according to the plastics. The unit f…

    ... for things like Serial numbers, motherboard revisions and chassis markings.[/QUOTE ... have been me researching the +2A/B and +3 differences :)
    guesser guesser April 2011 Hardware
  • Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…

    ... ztx651 can hold up to 2A and my experience tells me ... transistor that will support over 2A of continuous current collector, such ... video IN chip on the motherboard of the screen, if a ...
    Mobutu Mobutu April 2011 Hardware
  • Amstrad Toast Rack?Hello there my fellow WoS'ers Recently I have been very lucky with my brother giving me a Sinclair Spectrum 128K+ (Toast Rack), it needed a little a…

    ... +2 was just a new motherboard, the ULA should be the ... what they did with the +2A, a total redesign.

    csmith csmith May 2011 Hardware
  • Was the Sinclair 128k the same as the 128k +2?I only ever played on a 48k Speccy a few times and I owned a +2 and that's it. Was the Sinclair 128 the same as the 128+2? I mean you could play a 1…

    ... your PC's sound card/motherboard sound system.

    In ... that one of my two +2A can load perfectly with input ...
    Alessandro Grussu Alessandro Grussu May 2011 Hardware
  • 128K blues, part +2: picture and tape driveI recently purchased an original (grey) +2 which sadly seems not to be fully working. The computer powers up but there is no way to obtain a stable p…

    ... level RGB), the +3 and +2A/B use a PERITEL voltage ... not interchangable with the +3 / +2A/B models. If I am ... of the bottom of the motherboard?

    There are a ...
    Zetr0 Zetr0 June 2011 Hardware
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... different ROM versions in the +2A that were changed throughout it ... .

    I had a +2A that was horrendously incompatible with ... roms or possibly the whole motherboard as with hindsight I see ...
    thingley thingley July 2011 Games
  • ZX Spectrum Official modelsI am trying to write a section up on my web site about the different zx spectrum models from Sinclair research and amstrad that took over the product…

    The +2A and the +3 are the ... the "black +2" case with +2A and +2B moulded into the ... vast majority of "+2A" cases contain a +2B motherboard.


    guesser guesser August 2011 Chit chat
  • Which Speccy sounds 'best'? ie, differences in AY outputDoes anyone know if there's any noticeable difference in the quality of the sound output on the Speccy models with an AY chip?i'm wondering if there'…

    ... both versions of the +3 motherboard have the sound distortion. It ... was fixed on the +2B motherboard.[/QUOTE]
    Are you sure ... coming from both of my +2A machines is loud and clear ...
    Alessandro Grussu Alessandro Grussu September 2011 Sinclair Miscellaneous
<1…10111213141516…34>

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