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<1…22232425262728…34>
  • QL and Supergold Card troubleHi, I've a QL with a Supergold Card by Miracle Systems (2.49), 2Mb RAM, two floppy interfaces, one printer interface. When I connected the QL to a TV…

    ... the TV send some strange voltage on the SCART, and cause ...
    dg67 dg67 September 2009 Sinclair Miscellaneous
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... . As the capacitor charges, the voltage at reset out rises. But ... [/img]

    When the voltage crosses the right threshold for ... the Z80, IIRC the threshold voltage is quite low, around 1 ... CMOS have a higher threshold voltage - CMOS tends to be right ...
    Winston Winston September 2009 Development
  • Any help appreciatedHello, I notice that people have posted their PC related hardware and software woes on this forum before and the more technically minded among you h…

    ... connectors are reaching their correct voltage. red=5v and yellow=12v ...
    freddyhard freddyhard September 2009 Chit chat
  • having a clear outat work i found a HP Jordana 720, is it any good or should i throw it, there is no power supply so i can't test it.

    ... work?....if its the same voltage and the amperage is greater ...
    beanz beanz September 2009 Chit chat
  • having a clear outat work i found a HP Jordana 720, is it any good or should i throw it, there is no power supply so i can't test it.

    ... work?....if its the same voltage and the amperage is greater ...
    mile mile September 2009 Chit chat
  • Knight lore 2I was just looking in the archive and saw Knight Lore 2 - Conquest of Fairlight which is MIA by 'High Voltage'. That's about all the entry says...an…

    ... .cgi?regexp=^High+Voltage$&loadpics=1"]High Voltage[/URL]'.
    Looks ... +of+Fairlight$&pub=^High+Voltage$&loadpics=1"]this[/URL ... +Lore+Designer$&pub=^High+Voltage$&loadpics=1"]this[/URL ...
    joefish joefish October 2009 Games
  • ZX spectrum - Make a component cableHello! I have this ZX Spectrum with a faulty RF-modulator, It is good for max 2 minutes and then the picture starts getting bad. Real bad. BUT I got …

    ... to avoid effects of DC voltage at the input of your ...
    ingo ingo October 2009 Hardware
  • +3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…

    ... /> First of all measure the voltage at the collector of TR5 ... . If it is a lower voltage, use a higher value for ...
    ingo ingo October 2009 Hardware
  • SquattersI've just had a harvest spider (Horace's nemesis, about an inch across) investigate the air outlet grill of my computer power supply. I'm sure it wou…

    ... get elf-n-softy high-voltage warning signs for spiders?
    ajmoss ajmoss October 2009 Chit chat
  • 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 …

    ... right signal (which have zero voltage difference across them), rather than ...
    gasman gasman October 2009 Hardware
  • I want to add a power switch to +3Any body know the best way to add a power switch to a +3 ???? cheers CodenameV

    ... /> the +3 uses a 3 voltage supply so switching it on ...
    guesser guesser October 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... both 50Hz and PAL? What voltage step-up device are you ...
    Tupin Tupin November 2009 Hardware
  • USA Newbie, lost with ZX SpectrumJust got a 48k ZX Spectrum from the UK and I'm in the US. Well, I'm having problems I wasn't expecting. The only lead to the TV mine has is an UHF a…

    ... , as it has a worldwide voltage range of 100-240 volts ...
    Tupin Tupin November 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... PAL. It also has a voltage range of 100-240v.
    Tupin Tupin November 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... PAL. It also has a voltage range of 100-240v.
    Hercules Hercules November 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... TV with 50Hz and a voltage tolerance up to 240v have ...
    Tupin Tupin November 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... PAL. It also has a voltage range of 100-240v.[/QUOTE ...
    Gods Gods November 2009 Hardware
  • WANTED: ZX Spectrum 48kHi, I'm looking for a ZX Spectrum 48k. I am looking for a basic system with a Kempston Interface. Everything else I can find here in America. Yes, ev…

    Just remember, you will need a US power supply (you can use most multi-voltage adaptors), and a TV that supports PAL UHF RF.
    Muzer Muzer November 2009 Wanted
  • 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 …

    ... must be correct somehow
    voltage of pin 1 to pin ... 16 must read -5v
    voltage of pin 8 to pin ... 16 must read +12v
    voltage of pin 9 to pin ...
    Nuno2009 Nuno2009 November 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 …

    ... the cause of the low voltage is elsewhere, one will be ...
    Muzer Muzer November 2009 Hardware
  • PC200 bootdisk and monitor connectionI picked up a PC200 today and it seems to work when connected to a TV set. There is one 3,5" disk drive, but what does it need to boot? CP/M? DOS vX,…

    [QUOTE=georgedb;398761]That actually surprises me, as in the end a floppy is just a disk with magnetic material and the format process creates a structure. So why would the "1.4MB-ness" be there after formatting?

    I'm waiting for [frood42] to ...
    Muzer Muzer November 2009 Hardware
  • Moderation gone wrongWhat would happen if one deleted the entire Chit Chat forum? Ask the overzealous moderators at [URL="http://www.lemon64.com/forum/"]Lemon[/URL]. :raz…

    ... /> Oh I never thought about voltage. Well we do have a ...
    Scottie_uk Scottie_uk November 2009 Chit chat
  • New TV!So what have I got today? A 40 inch lcd? A 60 inch plasma? bigger?! Nope, I got given a 14inch Crt telly in a cool, old-skool creamy colour. Oh, i…

    ... 's kick a SERIOUS high voltage punch, I used to leave ...
    fog fog November 2009 Chit chat
  • winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…

    ... .3 volts, and the gate voltage of Q1 will be at ... is logic 1, the output voltage will be at 5v ensuring ...
    Winston Winston November 2009 Hardware
  • Sorry , you were outso the postie left a card thru the door... but what was it.... and you can do multiple choice vote :) I was gonna put option 5, Jordans biography.…

    ... your next to some high voltage cables.. haha

    another ...
    fog fog November 2009 Chit chat
  • Alternative power supply for a +2B?Hi friends, On impulse, I recently bought a ZX Spectrum +2 (unit only, untested) on eBay, thinking that the cables (specifically the power supply) o…

    ... well, -12V. The only critical voltage here is +5V. +12V is ...
    mcleod_ideafix mcleod_ideafix December 2009 Hardware
  • faulty zxspectrum +hi all i just bought a speccy 48k+ off ebay it worked for like 15 mins now it is stuck on the reset screen. I fear this is something major maybe fau…

    ... components inside, I have no voltage tester, I think I need ...
    rustyredline rustyredline December 2009 Hardware
  • Solar power?According to: [URL]http://news.bbc.co.uk/1/hi/sci/tech/8386460.stm[/URL] solar panels are becoming ever cheaper. If these worked well, then of cour…

    ... tomorrow morning (i.e. the voltage of my panel won't ...
    Winston Winston December 2009 Chit chat
<1…22232425262728…34>

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