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  • ZX Spectrum 48k / +Hello, Does exist some indestructible keyboard membrane for Speccy 48k, or 48k+ ? I would like to purchase speccy, but I would like to avoid the m…

    ... indestructible keyboard membrane for Speccy 48k, or 48k+ ?

    I would ...
    wlcina wlcina May 2014 Sinclair Miscellaneous
  • Near new condition 48k Spectrum for sale.I'm starting my spring cleaning with this. I have a Sinclair Spectrum 48k, bought many years ago but has had only about a week's use (at my then gir…

    ... /> I have a Sinclair Spectrum 48k, bought many years ago but ... itself is a late model 48k, fitted with a new Saga ...
    Fire Angel Fire Angel May 2014 Sales
  • New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…

    ... a issue 2 rubber key 48k I bought at a carboot ...
    darylw357 darylw357 May 2014 Hardware
  • Which games perform checksums on the 48K ROM?I've just modified a version of the 48K Spectrum ROM designed for use on the Timex Sinclair 2068, so that a 16 bit checksum of the ROM produces the r…

    ... modified a version of the 48K Spectrum ROM designed for use ... same values as the standard 48K ROM.

    Does anyone ...
    rga24 rga24 June 2014 Development
  • 48K keyboard issue48K issue 3b reads keys without... keyboard. Looking at recorded keys, problems seems to be with one data line - D1. It happens after a while since p…

    48K issue 3b reads keys without... ...
    kpuchatek kpuchatek June 2014 Hardware
  • 48k temperamental loadingHi, Was using my 48k this evening using the Speccy tape app via my iPad as usual. First game loaded up ok, but then from there on in nothing at al…

    ... ,

    Was using my 48k this evening using the Speccy ...
    chinnyhill10 chinnyhill10 June 2014 Hardware
  • 48K rgb output? Also, OTLA.A couple of weeks ago I scored 2 48K Spectrums on eBay for ?27 with 1 PSU, 1 TV cable and about 10 tapes....score or what!!!! One turned out to be a…

    ... weeks ago I scored 2 48K Spectrums on eBay for ?27 ... mod conversion on the 2 48K Speccys and I do get ... /> So I tried putting the 48K through it, but the GBS8200 ... a way to get the 48k to hook up to an ... RGB input? 48K to SCART RGB would be ...
    Ricardo99 Ricardo99 June 2014 Hardware
  • Composite video mod on +2 grey: same as 48k?Hello all, Sorry for the n00b question but I couldn't find an answer yet... I did a composite video mod for the 48k in the past. Now I got a 128k +…

    ... composite video mod for the 48k in the past. Now I ... the video circuit in the 48k and the +2 grey exactly ...
    robertod robertod June 2014 Hardware
  • Power sockets for 48k'sPretty sure there was a thread about these not long ago but I cant find it. Basically im after the power in socket for 48k's and grey +2's, got two …

    Pretty sure there was a thread about these not long ago but I cant find it. Basically im after the power in socket for 48k's and grey +2's, got two here that require one each. Anyone point me in the right direction?
    Macc Macc June 2014 Hardware
  • Strange ZX81 PCBHello I took apart my non-working ZX81 to attempt to fix it and I noticed that the resistors and diodes were soldered a bit strange. The wires are c…

    ... about 1 centimeter above the PCB. I assumed that the computer ... the photo of a ZX81 PCB which has resistors soldered exactly ... other (working) ZX81 PCB looks like the PCB in this photo (resistors ... flush with PCB surface)

    [url] ...
    memrah memrah June 2014 Hardware
  • Issues with 48k spectrum and divIDEI heard you can have all kinds of issues with 48k spectrum and certain DivIDE models. Is this true and if so what should I look out for ? Only aski…

    ... all kinds of issues with 48k spectrum and certain DivIDE models ...
    morcar morcar June 2014 Hardware
  • Plus board to 48kThis will sound daft to some no doubt, but is it ok to put a + mainboard into a 48k rubber keys one and expect the keys to work correctly? I have a …

    ... put a + mainboard into a 48k rubber keys one and expect ...
    owdeuk owdeuk July 2014 Hardware
  • ZX Spectrum 48K AV IssueOK so I dugout my old 48K Speccy today and decided to AV mod it. I did the mod (pretty easy) but the picture I am getting is this. [url=http://posti…

    ... so I dugout my old 48K Speccy today and decided to ...
    Beaps Beaps July 2014 Hardware
  • 48k PSU Alternatives & DivIDE v DivMMCHey folks, The 48k Speccy I got rather recently is missing it's power supply (though, I know it's working from testing it with the power supply from…

    Hey folks,

    The 48k Speccy I got rather recently ...
    robc robc July 2014 Hardware
  • ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …

    ... />
    I recently purchased a 48K Spectrum from eBay. On powering ...
    Leeorg Leeorg August 2014 Hardware
  • Replacing Rubber Key Membrane 48k - IssueHi, I've replaced the membrane on my 48k rubbber keyboard. When I have the top and bottom loose, but wired up , all keys work fine. When I place t…

    ... replaced the membrane on my 48k rubbber keyboard.
    When I ...
    lesoleil70 lesoleil70 August 2014 Hardware
  • The complete Stormbringer (48k) RAM disassemblyIt's finally time to unveil the last of my Magic Knight disassemblies - [URL="http://community.dur.ac.uk/philip.anderson/disassemblies/stormbringer-4…

    ... .uk/philip.anderson/disassemblies/stormbringer-48k/"]Stormbringer 48k[/URL]!

    As ...
    Weyoun Weyoun August 2014 Announcements
  • Spectrum 48k "console"As title says... I'm after a 48k please?

    As title says... I'm after a 48k please?
    dreamscape dreamscape August 2014 Wanted
  • RAM issue for potential 48k buy?Hi guys I've got a 48k in my sight for ?20 but... it has an issue: [QUOTE]"I tested the computer and only displayed a distorted screen. Coloured …

    ... />
    I've got a 48k in my sight for ?20 ...
    dreamscape dreamscape August 2014 Hardware
  • 1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…

    ... switch back to using a 48K Spectrum (rubber keys) as my ... .com/images/stories/IanJ/ZXspectrummod/pcb.jpg[/img]
    IanJ IanJ August 2014 Hardware
  • Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…

    ... all

    Got my 48k today but it's playing ...
    dreamscape dreamscape August 2014 Hardware
  • 48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…

    ... trying to repair my Spectrum 48k. It is having issues loading ...
    wep855 wep855 August 2014 Hardware
  • 48k - Why Won't it Buzzzz?Hi WOS ;) I bought a load of Spectrum games off eBay and thrown in for good measure was a 48k 1984 Issue 6a circuit board that I was told was for sp…

    ... for good measure was a 48k 1984 Issue 6a circuit board ... which now works as a 48k instead of 16k :D
    retrogamemart retrogamemart September 2014 Hardware
  • Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…

    ... off the modulator, stripped the PCB from it and remounted it ... . I have a working Spectrum 48k with a 3B board I ...
    Wiggs Wiggs September 2014 Hardware
  • 48k Spectrum "Jail Bars" Removal?Hi all Just curious I think I saw a post here about the bars that go down the screen on some 48k's I think he referred to them as "jail bars". Any…

    ... down the screen on some 48k's I think he referred ... ]http://ridgedpixel.co.uk/projects/48k/29.jpg[/IMG]
    dreamscape dreamscape September 2014 Hardware
  • 16k to 48K upgradeHi everyone I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possibl…

    Hi everyone

    I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possible where would i get them from.

    thanks a lot

    Benammi
    benammiswift benammiswift September 2014 Hardware
  • Pictures of 48k ZX Spectrums Showing the Important Voltages[SIZE=6][B]Pictures of 48k ZX Spectrums Showing the Important Voltages[/B][/SIZE] [URL="https://farm4.staticflickr.com/3841/15005543009_7bcf3b3031_o…

    [SIZE=6][B]Pictures of 48k ZX Spectrums Showing the Important ...
    1024MAK 1024MAK September 2014 Hardware
  • 48K misplaced coloursHello to everybody! Slowly recapping a otherwise working Issue 6A 48K. All new caps aroud LM1889, 7805 and DC-DC converter, which improved ripple an…

    ... a otherwise working Issue 6A 48K. All new caps aroud LM1889 ...
    Falco-F8L Falco-F8L September 2014 Hardware
  • 48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …

    ... try to load anything for 48k the speccy just don't ...
    retrogamemart retrogamemart September 2014 Hardware
  • 48k TV IssuesHi all Quick question, how can i improve my 48k picture? (without composite mods...) currently it looks like this: [IMG]http://s26.postimg.org/oox…

    ... , how can i improve my 48k picture? (without composite mods...)
    dreamscape dreamscape September 2014 Hardware
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott 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
  • European Software Titles with an English version
    harriusherbartio 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
  • Celebrity deaths...
    mel the bell on April 20

HitBox

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48k 20.9K 29.1K
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  • 48k / 48k+ Keyboard MembranesCan anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ . <br /> I've just dusted them off af…
  • Bad quality of ZX 48K PCB?Is the quality of ZX 48K PCB's not the same by every motherboard?<br /> <br /> I have here a motherboard and desolderd the ZX 80 Cpu. No problem but …
  • Partslist ZX 48K issue 4 PCBHas anyone the partslist from the ZX 48K issue 4 PCB? I can only find those from issue 1, 2, and 3. Thanks! <br /> <br /> <br /> Micky
  • Hi-Res 48K pcb photoany one got a hi-res photo of a speccy pcb, need one for some tattoo work I want to have done on my back<br /> <br /> I could crack open one of mine,…
  • ZX Spin, emulated speccy models (48K and 48k+?)So, on the "Hardware/Spectrum Model" page of the SPIN options menu, 48K and 48K+ are listed as two separate options. I thought aside from a reset but…
  • Working 48k or 48k+ motherboardJust looking to make up a speccy from the parts I have round me, all I need is a working motherboard. Anyone have one they will part with for a few …
  • 48K (in 48) vs 48K in 128K / +2 / +3I'm sorry I've probably overlooked this but despite a search I did not see it. :( and looking at some of the tech pages did not really answer my ques…
  • Keypanels for the spectrum 48k and 48k+I have already found one of these "keypanels set" for the rubber 48k but I am curious to know if there were any more types or models of these keypane…
  • 48K ZX Spectrum 48K Recap (Capacitors) Or Not?I have seen arguments "for an against" on this subject by some "high calibre" experts . So if the experts can differ on this question then my questi…
  • 48k S-video output -- pcb board(credits 1024MAK &amp; RGA24) just fitted a revision A of the s-video board to a issue 2 specie and i am very impressed with the results. the picture…

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