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Search Again :: Adv Search 1000 results in 0.069s
<1234567…34>
  • Spectrum 48k Power On ProcessI have a 48k Spectrum here that maybe does something strange on power on. Could somebody confirm what is meant to happen when power is applied? On …

    ... that maybe does something strange on power on.

    Could somebody confirm ... to happen when power is applied?

    On this one I ... or does this indicate a problem?
    wep855 wep855 October 2014 Hardware
  • what components normally get taken out if you plug+unplug a joystick interface in with the power onwhat components normally get taken out if you plug+unplug a joystick interface in with the power on? i remember doing this a few times when i had …

    ... joystick interface in with the power on?

    i remember doing ...
    digital digital October 2018 Hardware
  • Repair Zx Spectrum +2 Blackhello there, just found a Zx Spectrum +2 Black edition Issue 1 board that doesnt appear anything on the screen, even led dont power on,i have tes…

    yes the power supply is working fine, i ... spectrum with this with no problem,

    i am confused ... board, can those 4 problem cause the power on problem or not?
    should ...
    xaris_sm xaris_sm February 2017 Hardware
  • Problem with Spectrum +3 and power onHey, folks! I have here a Spectrum +3 with the following problem: - It has an ATX PSU, adapted and it powers on OK. - When it boots, it shows this …

    ... Spectrum +3 with the following problem:

    - It has an ... PSU, adapted and it powers on OK.
    - When it boots ... guide me to find the problem?

    Thank you ...
    [UFO] [UFO] March 2010 Hardware
  • Broken sound on Spec +2My spectrum +2 (with the +3 system board) just gives off static sound through the UHF out. The audio out is also full of static sound. This is sitti…

    ... /> This is sitting at the power on menu, and also in Diag ... , and possibly had it solder on the wrong way around.
    did not fix the problem. Anyone know what this component ... is?
    It has printed on it "KBR 6.0 MC ...
    mlasham mlasham September 2002 Sinclair Miscellaneous
  • Spectrum +3 fault - flashing screen on power onHi ive just bought a +3 When I power it on the power led and disk drive led come on. The screen just flashes black and white around the border, almos…

    ... +3
    When I power it on the power led and
    disk ... drive led come on.
    The ...
    mlasham mlasham December 2002 Sinclair Miscellaneous
  • +3 Disk Drive Problem - RevisedThe initial problem is that a +3 cannot read any 3'' floppy disks. It is definetely not the floppy drive or the floppy disks I am using as they work …

    ... using as they work perfectly on a second +3 system. ... that I can FORMAT discs on this +3 system and ... new disks and write on them is possible while ... +3 systems. The problem is not on the disk drives or ... is possible to be a power supply problem?

    Cheers ...
    Anestis Anestis March 2003 Sinclair Miscellaneous
  • Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…

    ... the plain white screen at power-on or the black background of ... /> Other systems (PS1, N64, DVD) on the same telly using both ... original Speccy+ shows the same problem, with the same cables etc ...
    joefish joefish July 2010 Hardware
  • Power Brick ProblemDear all, i was just Powering up a 48K Rubber Key Speccy using two differnt power bricks. First one from my issue 2 Speccy, second one from an issue…

    ... Key Speccy using two differnt power bricks. First one from my ... caps.

    With first power supply the Speccy works well ... first 5 minutes, until the power brick has warmed up. Then ... not to be a contact problem in the wires. The stay ...
    maskenlos maskenlos January 2012 Hardware
  • Issue 3 expansion connector problemI am having problems with an issue 3 Spectrum, that otherwise works fine, but does not recognize either the Interface 1 or DivMMC/Enjoy (which are bo…

    ... /Enjoy (which are both OK on my other Spectrums).

    on board. A quick multimeter check ... /> This is not a power supply problem either, the +5 is OK ...
    Tuukka Tuukka September 2014 Hardware
  • spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…

    ... just recieved a spectrum 48k on ebay [img]/__forums/images/smiles ... /> Here is my problem:
    When i power on the spectrum i get ...
    thoma thoma January 2002 Sinclair Miscellaneous
  • ZX PC InterfaceZX &lt;-> PC Interface Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Installation 2.1) The softwa…

    ... .1) Questions
    6.2) Problem solving


    ...
    the EPROM is switched on.

    The normal ... ]

    6.2) Problem solving

    Should the ... the Spectrum
    (or POWER ON/OFF) and enter the following ...
    Dr BEEP Dr BEEP January 2003 Announcements
  • Replacement for ZTX213 I`ve had a power problem with a speccy standard 48K the +5,-5,+12 volts power on the board has gone , so I need to replace the TR5,TR4 which are ZT…

    ... power problem with a speccy standard 48K the +5,-5,+12 volts power on ...
    Steve(spt) Steve(spt) September 2004 Sinclair Miscellaneous
  • Help! +3 won't work anymore!I've just set up my old +3 and it just won't work - it used to a few months ago but now it won't :( I'm in need of some expert help so here's the pr…

    ... so here's the problem. Can anyone help me ... everything in and switch the power on.

    2] ... silence. The top power LED is on fine. The floppy ... I had this problem. A replacement power pack fixed this ... with the problem now the LEDs came on but nothing ...
    PrinceClumsy PrinceClumsy August 2005 Sinclair Miscellaneous
  • SimCoupe 1.0 released[size=-2](for those of you that don't read CSS)[/size] SimCoupe, the SAM Coup? emulator, has been updated to version 1.0. This major release adds ma…

    ... ASIC during first ~49ms after power-on
    - Added support ... avoid wasting time (old 25fps problem)
    - Fixed key-bounce ... - Fixed disk image saving on Windows shutdown/restart [Win32]
    power-on states
    - Improved DAC ...
    obo obo July 2006 Emulators
  • ZX48K bad videoI have 48K with bad RF video output: [URL="http://www.fileden.com/files/2007/6/28/1218776/Amiga/ZX48K_IMG_1219_up.jpg"]photo[/URL] It seems to work o…

    ... see letters 'copyright sinclair..' etc on power on.
    I had no original ... power adapter so I used generic + ... ,+12V stabilised DC power that can do max 1000mA on +12V.
    on +9V.
    Could that be the problem?
    If ...
    orange orange April 2008 Hardware
  • Testing other ZX roms on DivIDE / DivIDE+This is package of different ZX rom images with DivIDE instalator. Each file contain ROM image at adress 49152 + assembler Prometheus with installati…

    ... BOLD fond type
    After power-on is allram mode off.
    on DivIDE+ and original old DivIDE ...
    velesoft velesoft August 2008 Sinclair Basic
  • grrr The Capacitor PlagueI'm getting fed up of The Capacitor Plague. If you don't know what this is, I'll tell you the result. Your computer stops working. Sometimes, it won'…

    ... working. Sometimes, it won't power on, but most times, it ... bad capacitors. Now, the power supplies on those same machines are ... to this problem. The machine I robbed the power supply from ... to bad capacitors on the motherboard - although the power supply was ...
    Winston Winston January 2009 Chit chat
  • eBay woes - Am I being unreasonable?I recently bought a +2 (grey) on eBay, and I have contacted the seller to complain about the condition of it. So far, they haven't replied. Do you th…

    ... a +2 (grey) on eBay, and I have contacted ... part of the wire on the powerpack that can ... on how the wire is positioned[/quote]

    That power supply problem ... being placed or dropped on the keyboard at some ... like someone has stood on it, but obviously I ...
    trellis trellis July 2009 Sinclair Miscellaneous
  • Horror repair story...Today the (new) +3 had a strange issue: keys 6,y,h,n and 8,i,k were not working. Also, the internal drive sometimes was not 'visible' from the Loader…

    ... was a problem with the drive's cables (data/power) and the ... -soldered the socket of the power on the drive.
    Also, I ... the +3 and ... the keyboard problem appeared for another one time ... , and started inspecting the keyboard problem.

    I noticed ...
    xc8 xc8 September 2009 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…

    ... I?ve started to work on an educational project for children ... then, all it showed at power on was a mosaic of coloured ... the cause of the problem would be elsewhere on the board.
    on this forum on behalf of my educational ...
    ZXHistory ZXHistory October 2009 Hardware
  • Spectrum 48k - Many ProblemsHi, I'm new to the boards and to owning a Spectrum, and sadly, it doesn't work properly. I'd been using an emulator for a while but I decided I'd lik…

    ... had a solution for my problem anyway, unless I'm mistaken ... 've bought won't always power on properly, I'll just get ... couple of times its turned on it will work, but even ...
    Adam2118 Adam2118 January 2010 Hardware
  • Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…

    ... noticed that some members on this forum prefer to repair ... the problem and it is not good:

    At power on, ... 32 vertical black lines on a green background, I ... The drive light is on but there is no ... blue or yellow. The power and drive lights flicker and ...
    ASM ASM October 2010 Hardware
  • ZX Spectrum +3 Query...Hi all, As common, I brought down my Spectrum from the attic the other day to have another stab at getting it running. I knew from the past it was a…

    ... the past it was a power pack problem - So I bought ... faded out and it carried on to make a *chunting* ... is likely to break on a Spectrum that I can ...
    I checked that the power from every pin is flowing ... when the Spectrum is powered on or off.

    ...
    Crimbo Crimbo March 2011 Hardware
  • Spectrum 128K: distorted picture with composite to vga converterI'm trying to get my 128K Spectrum (toastrack) to work with a vasmon3 composite to vga converter, but all I get is a distorted image on the VGA monit…

    ... /> The output voltage on the 128K is about ... on the 128K and I suspect that to be the problem ... and could it cause my problem ?
    And if ... also without effect.
    Power on pin 11 is about ...
    Picture of the problem:
    [url]https://picasaweb.google ...
    Knik Knik April 2012 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... configuration to the FPGA upon power-on. If the RC-generated reset ... a temperature knob, but a power knob counting from 0 to ... them into place with no problem.
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • DIVIDE versus ZX128 ROMDivide interface use hardware mapping of extra memory on this fixed points in 48rom: #0000 - power-on/reset/rst0/software restart #0008 - syntax erro…

    ... in 48rom:
    #0000 - power-on/reset/rst0/software restart
    problem in comaptibility with Divide ... 1) after each reset/power-on and ZX start in USR0 ... on mapping points in external rom memory. Also exist next big problem ...
    velesoft velesoft February 2013 Development
  • Flashing systems on DIVIDE interfacesSome peoples can't reflash eeprom chip in Divide interface (original Divide, Divide 2k11, Divide 57d2/57d3). EEPROM chip AT28C64B contain feature fo…

    ... in eeprom if jumper E on divide is open and rom ... ]

    If flasher utility on your Divide show error message ... and copy to root directory on CF card all files and ... /> Insert CF to DIVIDE PLUS, power on ZX and .... ESXDOS 085 work ...
    velesoft velesoft June 2013 Hardware
  • Another broken SpeccyHi all I have been given another ZX Spectrum, this time it has a really odd problem as you can see in the video: [URL="http://youtu.be/ZOSiBEYQD7w"…

    ... it has a really odd problem as you can see in ... change
    Checked the Z80 on another Spectrum - all good, works ... fine
    Checked the ULA on another Spectrum - all good, works ... video is what happens at power on - just will not boot!
    actualreality actualreality September 2013 Hardware
  • Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …

    ... : Issue 2, 48k
    Initial problem: Yellow screen, only sees 16k ... /> Now what happens:

    On power on, the Spectrum has black paper ... -15, but the same screechy problem occurs. I have another 5x ...
    Trafferth Trafferth August 2014 Hardware
<1234567…34>

Latest Posts

  • I am currently watching.....
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