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Search Again :: Adv Search 1000 results in 0.067s
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  • Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …

    ... think I will risk a power on as it will give me ... with all visible cap details on it . 4) Up end caps ... I start the real work on the CAPS I think I ... one as it will save on messing about with the heatsink ... "lost" the punt on the approx £5 on the Traco .but I ...
    harriusherbartio harriusherbartio April 2017 Hardware
  • Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…

    ... 3.5 MHz approx (depends on if the ULA thinks the ... ) and C27 (1uF) provide a power on reset, and debounce the reset ...
    1024MAK 1024MAK April 2017 Hardware
  • JubblesJust seen that our favourite developer Jonathan Cauldwell has released a new game. Not tried it yet but I will soon. [url="http://www.spanglefi…

    I think I ran out of power on a level with two flying pigs moving left and right.
    Ast_A_Moore Ast_A_Moore May 2017 Brand new software
  • ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…

    ... of woe and that dodgy power input socket which often loosens ... if only there was a power on/off switch. Its such an ...
    mik3d3nch mik3d3nch July 2017 Hardware
  • Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …

    ... (like a Recom or Traco Power) in place of the 7805 ... /> [*]Have a on/off switch in it's power lead.
    [*]Have ... at least one "power on" LED. Maybe one LED for ... each of the four power rails if space can be ...
    1024MAK 1024MAK July 2017 Hardware
  • ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …

    ... (like a Recom or Traco Power) in place of the 7805 ... /> [*]Have a on/off switch in it's power lead.
    [*]Have ... at least one "power on" LED. Maybe one LED for ... each of the four power rails if space can be ...
    1024MAK 1024MAK July 2017 Hardware
  • Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …

    ... computer, is to cut the power to it, and then reconnect ... the power. It will then do a power on reset. So ... "reset" switch just breaks the power. However, this is not a ... wear on the switch, and second because the whole computer loses power ...
    1024MAK 1024MAK July 2017 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    I put it all back together but no power on or Opus buzz. It just dead . I have not had that before . I had to reuse an old bridge rectifier as I could not locate my supply of new ones .
    harriusherbartio harriusherbartio 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…

    ... /> > Does the border area on the display always show as ... at least 30 seconds, then power on, check the border colour, then ...
    1024MAK 1024MAK 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…

    ... expansion being connected or disconnected on the edge-connector while ... speaker is okay, when you power on, after a few seconds, try ... the Spectrum disconnected from the power, it may be worthwhile ... every destination that is shown on the schematic for that ...
    1024MAK 1024MAK August 2017 Hardware
  • I can't get my +2B to work over RGB to SCART.Hi so I have a black +2B and no matter what I do I get a black screen using the RGB-SCART scart cable (specific for the model ) and I'm using a SCART…

    ... you its own status window on the screen, what resolution ... all the power light on the box is on but nothing ... HDMI box with the power on after I'd seen ... the Speccy on the picture something apparently ... voltages with the Speccy on and nothing connected to ...
    ivanb303 ivanb303 September 2017 Hardware
  • I can't get my +2B to work over RGB to SCART.Hi so I have a black +2B and no matter what I do I get a black screen using the RGB-SCART scart cable (specific for the model ) and I'm using a SCART…

    ... the HDMI box with the power on after I'd seen the ... Speccy on the picture something apparently that ... which uses a switch mode power supply may well have a ... to 250V to earth standing on the pins of any electrical ...
    1024MAK 1024MAK September 2017 Hardware
  • How to connect universal PSU?A fleamarket find! Spectrum+ without PSU. :) I don´t know if it works. I have universal PSU, please confirm which is the correct polarity? [b]A)…

    ... quiet buzzzzzzzzzzz when it was power on.
    Spectrum48K Spectrum48K September 2017 Hardware
  • What can I do with this donated Spectrum?Hi All Recently I was given a modified Speccy +2 to join my 8-64bit collection of retro computers/consoles. It took me a while to get up to speed…

    ... 2. What file does the power-on loader run from the default ... .bas that I can see on the system partition.
    ... for a valid bootsector on the disk in the ... default drive (Drive A: on an unexpanded +3) - if ... +3, but let's move on to

    2 ...
    The_Bert The_Bert September 2017 Hardware
  • Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…

    ... (TS2068 PAL chip) was based on Ferranti ULA 5C112E (as far ... models had been designed based on different principles. TC2068 was modified ... bad keyboard, a proper power switch and power-on led. Size wise is ...
    Claudius Claudius September 2017 Hardware
  • What's going on inside this ZX Spectrum? [Newbie]Hello folks Last year I got hold of a ZX Spectrum. At the time it appeared to boot up fine, but more recently when I've tried to boot up I've had…

    ... able to perform some tests on your computer I cannot say ... faulty upper RAM ICs interfering on the data bus and preventing ... 's border turn white at power on? If it does, it suggests ... />
    While you're working on it I also strongly recommend ...
    Zorn Zorn October 2017 Hardware
  • ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…

    ... /> Does the CPU have power on it's power pins?

    [b ...
    1024MAK 1024MAK October 2017 Hardware
  • Recreated Spectrum .What do we get for the "now" (Aug 2017) best retail price of around £35?Well best/ cheapest retail prices can vary a bit so I thought it best to be specific. At this £35 price ,is it a good deal and what do we get ? A…

    ... not explain the power switch issue which shows power on even in the ... up RED briefly in either ON or OFF position. Here are ...
    harriusherbartio harriusherbartio December 2017 Hardware
  • Harlequin 48k and 128kHi all i have been putting together a harlequin 128k and have a few components assembled on the board including some sockets and today arrived the…

    ... the ics and upon first power on it booted to the Sinclair ... opus discovery drive to put on the 48k
    caver99 caver99 December 2017 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... my spectrum and opus to power on together but I think the ... short feom 5v to ground on it so trying to find ...
    caver99 caver99 December 2017 Hardware
  • Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…

    ... (22 µF) on the ULA’s power rails and temporarily ... whacking large-value electrolytics on the power rails. Going from ... will eventually kill something during power on/power off.

    ... three electrolytic capacitors on the 5V power rails on the board: a ...
    Ast_A_Moore Ast_A_Moore January 2018 Hardware
  • Broken Issue 2 - likely culpritsI've just got hold of an issue 2 spectrum with an interesting layout (heatsink is vertical and goes down to the speaker, some variable resistors and …

    ... to start to slightly turn on some semiconductor junctions?[/quote]
    power-on, and compared to the readings ... you performed them before powering on the board.
    Ast_A_Moore Ast_A_Moore March 2018 Hardware
  • I am currently watching.....This stems from a rant Mel did months ago on the currently listening to thread, and he suggested starting a thread like this to somebody (sorry can't…

    I blame hipsters, using up all the power on their new fangled electric toothbrushes
    mel the bell mel the bell June 2018 Chit chat
  • I am currently watching.....This stems from a rant Mel did months ago on the currently listening to thread, and he suggested starting a thread like this to somebody (sorry can't…

    ... hipsters, using up all the power on their new fangled electric toothbrushes ... the application of little beards on the fish population, with superglue ...
    grey key grey key June 2018 Chit chat
  • Better keyboard = better sales ?Just a random thought. I want to start this by saying although I did not have a + model new, I was never really a fan of this keyboard as it was n…

    ... etc) , as well as a power on / off switch perhaps. By this ... guess this could go on and on though with then saying "well ...
    spider spider August 2018 Sinclair Miscellaneous
  • Can I fix it?This PC was stored in a the spare bedroom at a jaunty angle of 30 degrees for several months. I powered it up today and was greeted with a 1..2.3. b…

    Power off, take the coin battery out.
    Power on, it might bring up the BIOS screen.
    If it does, then you'll need to get a new one.
    MatGubbins MatGubbins September 2018 Chit chat
  • 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 …

    Stand by for a youtube video, 100 working Spectrums each with an interface attached. Power on, remove interface, inspect the results and required repairs.
    MatGubbins MatGubbins October 2018 Hardware
  • Rod-land - struggling to get working on my real +2 (grey machine)Hi Everyone, I've had a week enjoying tinkering with my +2 and there are only a few games I have not managed to play on my +2 that I enjoyed back …

    ... - mine certainly is on the Amstrad-manufactured machines. On them, I must ... few minutes after turning the power on, with or without the DivMMC ... take note of every capacitor on the machine so that I ... in-built diagnostic tests found on the +3 and +2A, those ...
    Alessandro Grussu Alessandro Grussu June 2019 Games
  • Recreated Spectrum .What do we get for the "now" (Aug 2017) best retail price of around £35?Well best/ cheapest retail prices can vary a bit so I thought it best to be specific. At this £35 price ,is it a good deal and what do we get ? A…

    ... 2)With the Fuze workstation , on the monitor screen , I ... earlier version of ZXBaremulator on a different SD card ... back is in fact a power ON /OFF button.( so nice ... It has some power and status LEDs on the top of ... of its keyboard . The power was GREEN but the ...
    harriusherbartio harriusherbartio July 2019 Hardware
  • Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…

    ... nothing attached and switched the power on without a Spectrum and then ...
    harriusherbartio harriusherbartio October 2019 Hardware
<1…14151617181920…34>

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!
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    harriusherbartio on April 21
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