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Search Again :: Adv Search 1000 results in 0.042s
<1234567…34>
  • Spectrum 48K colour problemI obtained Spectrum 48K issue 2 in verry good condition. Machine work very good, but picture on my Samsung TV (72cm diagonal flat 100 Hz) is little s…

    I obtained Spectrum 48K issue 2 in verry good ... particulary problem.
    I am not familiar to much with Spectrum RF ... with detailed description of all Spectrum 48K motherboard revisions (with real photos ...
    Pegaz Pegaz April 2008 Hardware
  • ZX Spectrum 48K clone and test resultsHi! This is my first post, so, first of all, I'd like to say hello to the whole community! I am Alessandro Dorigatti from Italy and I'm developing …

    ... 'm developing a new ZX Spectrum 48K clone based on the information ... of Chris Smith "The ZX Spectrum ULA: how to design a ... on the left and right border; between the upper and lower ... /> This appears to be a problem with the even port writing ...
    adorigatti adorigatti July 2011 Hardware
  • Repair options for my own dear old Spectrum 48k?Hello all, This is my first post to this wonderful forum, which is part of a truly great website! My name is Arnold, and I live in Utrecht, The Nethe…

    ... .

    My ZX Spectrum 48K doesn?t function anymore. It ... two options in repairing this Spectrum:
    One: very simple, ... with one from a working Spectrum.
    Two: identifying malfunctioning ... because the cause of the problem would be elsewhere on the ...
    ZXHistory ZXHistory October 2009 Hardware
  • Spectrum+ 48k won't load from iPod or computerHi Guys, I've just got my old Spectrum+ 48k going here, but I've been unable to use an MP3 player or my computer with 'playtzx' to get the spectrum …

    ... 've just got my old Spectrum+ 48k going here, but I've ... volume needed to allow the spectrum to load... but on the ... something is wrong with the Spectrum itself, given its age. Since ... this sound like a common problem? Has anyone experienced this before ...
    Crispywotsits Crispywotsits October 2009 Hardware
  • Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …

    I have a Spectrum 48k (I believe it may be ... that likely to be the problem? If not, what other possibilities ...
    Muzer Muzer November 2009 Hardware
  • ZX Spectrum 48k and WinTZXHi everyone, I recently got myself a ZX Spectrum 48k, and I have heard that there is programs that let you convert spectrum roms to wav files so that…

    ... recently got myself a ZX Spectrum 48k, and I have heard that ... programs that let you convert spectrum roms to wav files so ... not seem to solve the problem.

    would be grateful ...
    photographystew photographystew September 2010 Sinclair Miscellaneous
  • ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…

    ZX Spectrum 48K, issue 2, works just fine, ... memory, I get the same problem.

    Voltage regulator and ...
    georgedb georgedb January 2011 Hardware
  • Spectrum 48K - upper memory problemsHi I have a ZX Spectrum 48K issue 3B which does not see upper memory. On PRINT PEEK 23732+256*PEEK 23733 i got result 32767. POKE 32768,85 and PRINT …

    ...
    I have a ZX Spectrum 48K issue 3B which does not ... way to find were the problem is?
    Edward Edward May 2012 Hardware
  • ZX Spectrum 48K working as 16K from factoryGood morning I Have a Zx Spectrum 48k working as 16K , it came like this from factory. What can i do to solve this , and put it to work as 48K? Wha…

    ... />
    I Have a Zx Spectrum 48k working as 16K , it came ... put it to work as 48K?

    What chip ram ... the zx to solve the problem?
    Can you help me ...
    camaisin camaisin July 2013 Hardware
  • ZX Spectrum 48k tape loading issueHi guys I have refreshed a ZX spectrum 48k with a new keyboard layer and front case. The machine will power up and seems to work good. Unfortunate…

    ... /> I have refreshed a ZX spectrum 48k with a new keyboard layer ... a black and white checkered border on screen and no loading ...
    repetto74 repetto74 December 2016 Hardware
  • New uses for Spectrum 48K - Light Switch ProjectHi All I'd like to use a Spectrum 48K unit as a light switch in my house. It will reside on the wall in my entrance hall and will be used to contr…

    ... 'd like to use a Spectrum 48K unit as a light switch ... my problem, I'm not an electrician, electronics expert nor a Spectrum 48K ...
    Trebzuk Trebzuk January 2017 Hardware
  • Zx Spectrum 48k vertical black lines on boot problemHi all! I've just bought a Zx Spectrum 48k one eBay: all it was working goof but I made a mistake: I've extracted the Kempston interface before pl…

    ... 've just bought a Zx Spectrum 48k one eBay: all it was ...
    AmintaSpectrum AmintaSpectrum July 2017 Hardware
  • ZX Spectrum 48K it only shows colored barsHello, I'm new to the forum and I need help with a ZX Spectrum 48K which I bought recently unfortunately defective. I want to mention that before t…

    ... need help with a ZX Spectrum 48K which I bought recently unfortunately ... out what would be the problem?
    Can I check somehow ...
    Trafic Trafic July 2017 Hardware
  • Raspberry PI in a Spectrum 48k+ case Keyboard OptionsHi, I was lucky enough to get an empty Spectrum 48k+ Upgrade Kit Case on eBay. This is good because it doesn't involve taking apart a good Spectrum a…

    ... enough to get an empty Spectrum 48k+ Upgrade Kit Case on eBay ... involve taking apart a good Spectrum and it has the serial ... compared to the original 48k case. The only problem is I need ... tindie.com/products/tynemouthsw/zx-spectrum-usb-keyboard-conversion-kit/
    lynn3686 lynn3686 October 2020 Hardware
  • Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…

    ... /C routine for the ZX Spectrum 48K. It was for a text ... .retroprogramming.com/2017/04/zx-spectrum-scanline-flood-fill.html"]John ... .retroprogramming.com/2017/04/zx-spectrum-scanline-flood-fill.html
    Volker Volker February 2021 Software
  • Spectrum 48k (Box&Poly Only)Hi, I have a spare box(and poly) for a Spectrum 48k for free for anyone who wants it. The Box is a little scruffy and the bottom poly has a small pie…

    ... box(and poly) for a Spectrum 48k for free for anyone who ...
    thomas3120 thomas3120 January 2003 Sales
  • Spectrum 48k wanted with Dizzy games...If anyone is interested in selling a Spectrum 48k with Dizzy for a reasonable price in the Essex/London area can you please email me at [email="Mr_Ve…

    ... is interested in selling a Spectrum 48k with Dizzy for a reasonable ...
    Resident0 Resident0 February 2003 Sales
  • ZX Spectrum 48k Sync ProblemHi, Sometimes when I loaded a game it starts scrolling vertical. Seems something like a VSYNC problem or something? anyone familiar with this problem…

    Hi,
    Sometimes when I loaded a game it starts scrolling vertical. Seems something
    like a VSYNC problem or something? anyone familiar with this problem and
    knows how to solve it?

    Regards,

    Sander
    loconero loconero March 2003 Sinclair Miscellaneous
  • i need to buy a zx spectrum 48ki need to buy a zx spectrum 48k in original box with all the cables and transf., manual etc. plus a game c. egg. please email me [email="hm@hmarum.co…

    i need to buy a zx spectrum 48k in original box with all the cables and transf., manual etc. plus a game c. egg. please email me [email="hm@hmarum.com."]hm@hmarum.com.[/email]
    hmarum hmarum January 2004 Wanted
  • Spectrum 48k benchmark program/resultsIs there any program (basic or assembler) to test performance of a Spectrum 48k? Want to compare results in my FPGA Spectrum 48k with real hardware …

    Is there any program (basic or assembler) to test performance of a Spectrum 48k?

    Want to compare results in my FPGA Spectrum 48k with real hardware results...
    klingler klingler July 2004 Emulators
  • ZX Spectrum 48k in FPGAFinished test design of ZX Spectrum 48k in Altera FPGA... There is already one project called "zxgate" but mine implementation uses normal VGA monit…

    Finished test design of ZX Spectrum 48k in Altera FPGA...

    ...
    klingler klingler July 2004 Announcements
  • Composite Signal from Spectrum 48k Hi, Just a quick question for you all. I have a nice new LCD Monitor which has Scart. composite and S-Video inputs on it and I'm using some of my …

    ... to be able to use Spectrum 48k's on it via a ... know you can modify the 48k and get a composite signal ... have to modify all my 48k/ 48k+'s this way.

    Deano7649 Deano7649 November 2004 Sinclair Miscellaneous
  • Spectrum 48K and wrong power supply polarity!!!Hello, I need a help fixing my Spectrum 48K, motherboard issue 4B. Since I'm in Canada, I couldn't use standard spectrum power supply, so I checked a…

    ... need a help fixing my Spectrum 48K, motherboard issue 4B. Since I ... , I couldn't use standard spectrum power supply, so I checked ...
    tiho tiho January 2005 Sinclair Miscellaneous
  • issue number of ZX Spectrum 48K by means of serial numberIt is possible to identify the board issue of ZX Spectrum 48K/+ by means of the serial number? If yes, how? [ This Message was edited by: nalexan …

    ... the board issue of ZX Spectrum 48K/+ by means of the serial ...
    nalexan nalexan January 2006 Hardware
  • Spectrum 48k SeettingGot an issue 2 speccy on the bench that had a poorly ula, changed that, also changed tr4 and tr5 (had no oscillator) now it just resets over and over…

    ... /> EDIT: oops title should say Spectrum 48k Resetting.
    ZX-MAD ZX-MAD April 2007 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... classic russian clone of ZX-Spectrum 48k

    [URL ... ://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http ... ://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm[/URL ... ]

    Spectrum clone, build with simple logical ...
    Gods Gods May 2007 Hardware
  • ZX Spectrum 48K +Hi, I have a ZX Spectrum 48K + which I bought like a million years ago (1984) My Spectrum has been out of duty for quite some time and I guess I ke…

    ... />
    I have a ZX Spectrum 48K + which I bought like a ... million years ago (1984) My Spectrum has been out of duty ... like to get the old 48K fixed! But I have no ... I can send in my spectrum and get it repaired, so ...
    Fragnisse Fragnisse July 2007 Hardware
  • Sinclair Spectrum 48K with new membraneI am selling the 48K Spectrums I have on ebay in favour of Emulation. ;-) All have Composite mods and brand new membranes! Heres the first one...…

    I am selling the 48K Spectrums I have on ebay ... first one.....

    Sinclair Spectrum 48K with new membrane fitted.
    Here is a fully working 48K Spectrum with Brand New membrane fitted ...
    +2MAN +2MAN January 2008 Sales
  • Looking for a Zx spectrum 48k+ keyboard.Hi, has someone a cheap zx spectrum 48k+ keyboard (with working membrane)? Please write me a private message. Thanks! Davide

    Hi,
    has someone a cheap zx spectrum 48k+ keyboard (with working membrane)?
    Please write me a private message.

    Thanks!
    Davide
    dg67 dg67 March 2008 Wanted
  • Spectrum 48K input voltageI have a power supply that is rated 9,5 Volts DC. With no load it outputs about 9,86 Volts. Is it safe to use it for ZX Spectrum 48K? (it can do …

    I have a power supply that is rated 9,5 Volts DC.
    With no load it outputs about 9,86 Volts.

    Is it safe to use it for ZX Spectrum 48K?
    (it can do over 2 Amperes)
    orange orange May 2008 Hardware
<1234567…34>

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Related Threads

  • ZX Spectrum 48k Sync ProblemHi,<br /> Sometimes when I loaded a game it starts scrolling vertical. Seems something<br /> like a VSYNC problem or something? anyone familiar with …
  • what are the differences between the 48K spectrum and the spectrum+ ?^^^^^ see above ^^^^^
  • Spectrum 48K colour problemI obtained Spectrum 48K issue 2 in verry good condition. Machine work very good, but picture on my Samsung TV (72cm diagonal flat 100 Hz) is little s…
  • zx spectrum 48k loading issue (memory problem i think)Hi<br /> <br /> I have a 48k spectrum that until yesterday was working flawlessly.<br /> The spectrum seems to work fine but the problem is with load…
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  • rubber key Spectrum 48k problem :(when i plug the spectrum in all i get is a black screen with a red border and sometimes flashing blocks.<br /> <br /> the spectrum worked until about…
  • Spectrum 48K/Spectrum +Hi there.<br /> <br /> I am looking [B]fully working[/B] Spectrum 48 and Spectrum + computers.<br /> <br /> With or without PSU.<br /> <br /> Please,…
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  • 48k Rubber Key Spectrum ProblemI'm testing my mate's spectrum that hasn't been used since the late 80's. Unfortunately, it seems to keep randomly resetting itself (like pressing th…
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