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Search Again :: Adv Search 866 results in 0.001s
<1…891011121314…29>
  • +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…

    ... ? (e.g. +2A, +2B, +3, +3B?) and what country of origin ...
    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…

    ... =kpuchatek;479977]I think +2b/+3b were designed, but only +2b ... exists.
    If somebody has +3b then it is worth thousands ...
    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…

    ... carries an LED. The "+2B/+3B circuit" that fixed the sound ...
    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…

    ... called plus3 for spectrum +2B/+3B

    if you want ...
    Jose_Leandro Jose_Leandro September 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…

    Totally recapped (on your suggestion) an issue 3b 48k, used as everyday-machine, other 48ks and a grey 128 +2 just turned on sometimes for testing.
    Cignale Cignale October 2010 Hardware
  • Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…

    ... " it to the later +2B/+3B circuit. (This mainly involves desoldering ...
    guesser guesser October 2010 Hardware
  • Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…

    ... " it to the later +2B/+3B circuit. (This mainly involves desoldering ...
    Alien 8 Alien 8 October 2010 Hardware
  • Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…

    ... found any evidence of a +3B being manufactured yet.

    3B circuit
    guesser guesser October 2010 Hardware
  • How to specify 1st byte to be ran in a tap fileI am writing m/c to a tap file. When I load it in an emulator I have to go through the usual PRINT USR 30000 I always thought TAPs couldnt specify …

    ...
    0A 00 26 00 3B 28 00 FF
    00 ...
    BloodBaz BloodBaz October 2010 Development
  • 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…

    ... then came across the +2B/+3B Amendment Service Manual which details ...
    guesser guesser November 2010 Sinclair Miscellaneous
  • Pictures of your development setupJust thought it would a good idea to have a thread to show pictures of your Spectrum development room or office. Here are some snaps of my setup... …

    ... ought to upgrade it to +3B sound then it would sound ...
    guesser guesser November 2010 Development
  • Mikie tape error?I purchased a copy of this to play on my +2B, but something strange happens once it appears to have loaded. The screen goes black with lots of heart…

    ... /> ld a, [B]$3b[/B] ; a7b2 3e 3b $07ts
    ld i ... does is insert the value $3b into the a register (as ...
    jp jp November 2010 Games
  • Poll: The best spectrumIm putting this up as weve had quite a lengthy discussion discussing the highs and lows of all spectrum models so heres a poll for personal preferanc…

    ... to make it into a +3B.
    guesser guesser December 2010 Hardware
  • What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…

    ... /> I call this little ensemble "3b" (burgers , beans and beer)
    fog fog December 2010 Chit chat
  • What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…

    ... /> I call this little ensemble "3b" (burgers , beans and beer)
    dm_boozefreek dm_boozefreek December 2010 Chit chat
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    48k rubber;
    issue 3 146-423337 red writing-portugal
    issue 3 032-142825 red writing-uk
    issue 3a 001-527330 green writing-uk
    issue 2 D01-108545 green writing-uk
    issue 3b 022-995060 red writing-uk
    Macc Macc December 2010 Sinclair Miscellaneous
  • Powering up a Speccy after long-term storage.Staying at my folks for Christmas. Feels good to be back in God's country again, even if it is -12C outside at the moment. :-o Anyway, I was plannin…

    ... rail) (this is for issue 3B board)

    Unless a ...
    mcleod_ideafix mcleod_ideafix December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    it was TR5 (issue 3B). no need to replace it, ...
    orange orange December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    Pretty sure he said it was a 3b
    Macc Macc December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    yes, its 3b, but it seems all others are 4a.

    this is written on 3b ULA:
    6C001E
    0243

    I'll give it a try.
    orange orange December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    Datecode 0243 - Ferranti was still baking ZX Spectrum ULA's in 2002? :???::???: Are you sure that isn't 8243 or (also unlikely) 9243 ?
    (btw: "issue 3B" is visible in the pic linked above)
    RetroTechie RetroTechie December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    update: ULA from 3B works in 4A, yay :) (its showed Sinclair Research screen)

    yes, I'm sure its 0243, its written on underside of chip.
    orange orange December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    ... =orange;501584]update: ULA from 3B works in 4A, yay :) (its ...
    guesser guesser December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    ... =orange;501584]update: ULA from 3B works in 4A, yay :) (its ...
    RetroTechie RetroTechie December 2010 Hardware
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    ... board to what an issue 3B board normally looks like.
    RetroTechie RetroTechie December 2010 Hardware
  • Spectrum +3' AY sound issuesHi everyone - first time poster. I just got a Spectrum +3 for Xmas, and I am over the moon at this - I used to write games which I have here on 3" d…

    [QUOTE=Macc;502158]I must be one of the lucky ones! My +3 sounds just like my toastrack, cant tell the difference between em![/QUOTE]

    That [I]could[/I] be the elusive +3B

    Any chance of a photo of the motherboard? :)
    guesser guesser December 2010 Hardware
  • Spectrum +3' AY sound issuesHi everyone - first time poster. I just got a Spectrum +3 for Xmas, and I am over the moon at this - I used to write games which I have here on 3" d…

    ... ]could[/I] be the elusive +3B

    Any chance of ...
    Alien 8 Alien 8 December 2010 Hardware
  • Spectrum +3' AY sound issuesHi everyone - first time poster. I just got a Spectrum +3 for Xmas, and I am over the moon at this - I used to write games which I have here on 3" d…

    This page says +3B has existed:
    [url]http:// ... so I do not believe +3b was produced earlier.
    Maybe ...
    kpuchatek kpuchatek January 2011 Hardware
  • Spectrum +3' AY sound issuesHi everyone - first time poster. I just got a Spectrum +3 for Xmas, and I am over the moon at this - I used to write games which I have here on 3" d…

    ... =kpuchatek;502459]This page says +3B has existed:
    [url]http ... so I do not believe +3b was produced earlier.
    Maybe ...
    Alien 8 Alien 8 January 2011 Hardware
  • Spectrum +3' AY sound issuesHi everyone - first time poster. I just got a Spectrum +3 for Xmas, and I am over the moon at this - I used to write games which I have here on 3" d…

    It seems that +2b was also issue 70833, so +3b 70835 does not make sense in 1988.
    No proof that +3b went to production or... it is very rare.
    Maybe in some Police Packs.
    kpuchatek kpuchatek January 2011 Hardware
<1…891011121314…29>

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