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Search Again :: Adv Search 1000 results in 0.009s
<1234567…34>
  • zx spectrum +2A power supply missing -12v voltshey.. i'm looing at a zx spectrum +2A power supply that the -12v rail seems to be missing .. it has the 12 volts and 5 volts .. it is the version wit…

    ... supply that the -12v rail seems to be missing .. it has the ... ok, i have changed the -12v regulator (79L12) no change then ... to the 5 volt and -12v rail ,,, confused.com
    i ... realize that the -12v is not strictly required for ...
    mark8bit mark8bit November 2020 Hardware
  • Issue 4A repair attemptI think I need some help. I have a nice Issue 4A main board here, which does not give out any video signal. I checked some voltages (the ones that se…

    ... />
    C44 is on the 12V output of the DC-DC ... lower RAM and IC14? A missing 12V power rail will affect the ...
    Zorn Zorn July 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... video at all, you are missing +12V that comes from a switching ... IC3, you should read -12V and +12V respectively, plus and minus 0 ...
    Falco-F8L Falco-F8L October 2013 Hardware
  • +2 Grey video issueSo far ive replaced TR4, TR5 (and correctly orientated them) and seperated the audio from the video, still I have this; [youtube]mZZWOXRs_Zk[/youtube…

    I did think about that too B, just disconnecting its power but I havent tried it yet.

    Pin 11 IC2 reads 0.97v, im missing 12v from somewhere!
    Macc Macc February 2014 Hardware
  • Spectrum Plus display issueHi, does anyone know if this is fixable at all by someone with no experience? From looking on a similar post on World of Spectrum forum they mention…

    ... is another giveaway of a missing +12v rail, as the LM1889 colour ...
    balford balford May 2014 Hardware
  • 48K Issue 6A board only showing B/WI have a 48K Issue 6A board here, which only shows a B/W composite video signal on both, the modified RF-out, but also on the expansion bus (using my…

    ... the LM1889 doesn't get 12V, that would result in a ... itself somewhere, as a completely missing 12V line would take out the ...
    Rorschak Rorschak November 2014 Hardware
  • No colors on screen, issue 2.I have a 48k issue 2 with composite mod. When i first pluged it in after i bought it, the screen went yellow and after restart there were no colors a…

    Check your power supply voltages on IC13, pin1 = -5v. pin 8 = 12v. A missing 12v rail would cause a B/W display, as well as being none too healthy for your lower RAM.

    B
    balford balford November 2015 Hardware
  • So for my first trick...I'm sure people have already used the AD724 or AD725 on other 8 bit machines, and i know the Harlequin uses the 724, but not seen anyone trying to us…

    ... defect? Did you cjeck the 12V power supply for that chip ... gray Spectrum +2 computers with missing 12V. The computer itself runs a ... ölso without the 12V but the TEA2000 needs that ...
    ingo ingo May 2016 Hardware
  • Spectrum Missing -5vMy Spectrum is "almost" booting, just when you expect the (C) 1982 Sinclair Research to appear it just displays flashing squares on the screen :( I …

    ... seems to be missing it's -5V, the +12V, +5V are ok ...
    OttO OttO November 2013 Hardware
  • 12V Rail - Spectrum 48kOkay - I may just be having a senior moment here, but I'm running out of ideas. I'm working on a Spectrum Issue 4S board,and have had to remove al…

    ... -5V are fine, but the 12V rail is at almost 25V ... can happen, unless I'm missing something. I checked on an ... , and the rail there was 12V as expected.

    Has ...
    Graham Graham November 2015 Hardware
  • 12V ripple with lower ram installedI repaired a speccy this week. Before doing anything I replaced all caps and measured the transistors in the power section. When doing this I found t…

    ... I found tr4 and tr5 missing so put these back in ... on and measured the voltages, 12v was giving me an extreme ... with the ram removed. 12V line was fine with a ... picture. Looked at the 12v line and there is a ... causing the instability in the 12v line, it's ruining ...
    patzik patzik April 2016 Hardware
  • 12V missing on an issue 3I’ve been working on an issue 3 Spectrum +. It shows thin distorted vertical stripes on bootup. +5 and -5V are all right but the 12V line measures ro…

    ... are all right but the 12V line measures roughly two volts ... the other place that uses 12V is the LM1889, which is ...
    protek protek July 2020 Hardware
  • Missing in CopyrightSee 'Miscellaneous' forum - Missing in Copyright list...? posted by neffuM. Interesting stuff going on there...

    See 'Miscellaneous' forum - Missing in Copyright list...? posted by neffuM. Interesting stuff going on there...
    Fuzzbucket Fuzzbucket August 2001 Games
  • Missing Your Sinclair issuesHello SpecChums. I'm looking for the following issues of the beloved YS: 20, 27, 28 and 32 Mine are either damaged (sob) or missing (SHRIEK!) It'…

    ... are either damaged (sob) or missing (SHRIEK!)

    It's ...
    hackersanon hackersanon April 2002 Wanted
  • Missing Crash issuesHello SpecChums.. After the success of my Missing YS issues post in this forum, I thought I'd try the same with Crash.. I was bidding for these in E…

    ... /> After the success of my Missing YS issues post in this ... />
    Some of these are missing, some are damaged, so I ...
    hackersanon hackersanon May 2002 Wanted
  • Missing Your Spectrum issuesHello SpecChums.. I'd meant to post this earlier, but forgot all about it. Tch! After the success of my Missing YS and Crash issues post in this f…

    ... /> After the success of my Missing YS and Crash issues post ... />
    Issue 02 (Apr 85) - missing
    Issue 03 (May 85 ... ) - missing
    Issue 08 (Oct 85) - ...
    hackersanon hackersanon May 2002 Wanted
  • something is missing from TZX Vault's AutomonopoliWhile loading, the WOS version of this game (.tap) generates a quite nice red screen with a copyright notice. This version is identical with my ancie…

    ... .
    The red thing is missing from the TZX Vault version ...
    secarica secarica October 2002 MIA/STP/SDP
  • Magnatron (Quazatron 2) is missing on WOSI may be going crazy, but Magnatron the follow up the massive hit Quazatron seems to be missing on WOS. I'm pretty sure this game was released on the…

    I may be going crazy, but Magnatron the follow up the massive hit Quazatron seems to be missing on WOS. I'm pretty sure this game was released on the Spectrum. I wonder if I am spelling it correctly?
    Paul Thompson Paul Thompson March 2003 Games
  • List of Missing Cover Scans?Hi, is there a list on WoS of cover scans still missing? Daren

    Hi, is there a list on WoS of cover scans still missing?

    Daren
    DarenP DarenP December 2003 MIA/STP/SDP
  • Sam FDOS PD missing Disks Can you help?Hi folks, Can any body help me? I'm looking for some missing disks. they were produced by FDOS in 1992. They are CP/M disks for use with the SAM Pro…

    ... ? I'm looking for some missing disks. they were produced by ...
    Steve(spt) Steve(spt) March 2004 Wanted
  • Am I missing something here or what?Just flicking through a through Ebay auctions... [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=50224&item=8124816887"]http://cgi.eb…

    ... [/url]

    Am I missing something here...? Is this tape ... BUY THIS by Firebird) the missing gold plated editions, personally signed ...
    chaosmongers chaosmongers August 2004 Sinclair Miscellaneous
  • ZX Missing pages - 43 & 44 uploaded !Mort scanned ZX Computing issues Dec '82/Jan '83, Feb/Mar '83, Apr/May '83 and Jun/Jul '83. Pages 43 and 44 of the first one (ish Dec '82/Jan '83) a…

    ... Dec '82/Jan '83) are missing! If you happen to have ... />


    the two missing pages have been uploaded
    Steve(spt) Steve(spt) November 2004 Sinclair Miscellaneous
  • Some missing mapsHere are some maps from my site which are missing at WoS: Auf Wiedersehen Monty (by Tor Gjerde) [url="http://maps.speccy.cz/map.php?id=MontyAuf"]htt…

    ... from my site which are missing at WoS:

    Auf ...
    Pavero Pavero February 2005 Support files
  • Missing InlaysI always check any new tapes i get for MIAs and while they dont come up very often, i do occassionally find alternate inlays or games for which the i…

    I always check any new tapes i get for MIAs and while they dont come up very often, i do occassionally find alternate inlays or games for which the inlay scans are missing ? Are you interested in these, for eg Colditz by Phipps Associates
    Fazz Fazz May 2005 Support files
  • The big missing thing at WOS: Speccy!I've just discovered that there is one big missing thing at WOS - the ZX Spectrum! There are tons of games, utils, magazines, inlays etc. but there i…

    ... that there is one big missing thing at WOS - the ZX ...
    PopoCop PopoCop July 2005 Sinclair Miscellaneous
  • DigiSynth by Prisoner - Demo Missing?Hi Guys, I remember from old good days something that impressed me much - DigiSynth by Prisoner Demo. Can't find it anywhere. Please tell me what hap…

    ...
    ps. what about putting missing demos on MIA list?
    hackerchris hackerchris February 2006 MIA/STP/SDP
  • Bloke missing for 5 yearsGetting fascinating that story about that bloke who was presumed dead, missing for 5 years just turning up at a police station making out he had memo…

    ... bloke who was presumed dead, missing for 5 years just turning ... Sun the guy who was 'missing' was photographed with his wife ...
    psj3809 psj3809 December 2007 Chit chat
  • "How To Play Adventure Games" missing from WoS?Just noticed on this page: [url]http://www.worldofspectrum.org/showmag.cgi?mag=YourSinclair/Issue56/Pages/YourSinclair5600062.jpg[/url] ...there's …

    ... -side program appears to be missing from WoS, I can't ...
    neoncherry neoncherry January 2008 Infoseek database
  • +12v/-12v/9v and peripherals?Do any peripherals use the +12v, -12v or 9v lines exposed at the edge connector? Firstly, if they use +9v they won't work on a +3, since the +3 does…

    Do any peripherals use the +12v, -12v or 9v lines exposed at ... traces down to pass the +12v/-12v through, so I'm looking ...
    Winston Winston March 2008 Hardware
  • C&VG missing pagesHi all, As netraider correctly mentioned in a PM: [quote]There's some mixup of the scans in issue 20 of C+VG: [URL="http://www.worldofspectrum.org…

    ... the actual one that's missing.[/quote]The question is whether ...
    mheide mheide April 2008 Sinclair Miscellaneous
<1234567…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!
    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

Word Docs Hits
missing 10.6K 11.9K
12v 1.9K 3.2K

Related Threads

  • +12v/-12v/9v and peripherals?Do any peripherals use the +12v, -12v or 9v lines exposed at the edge connector?<br /> <br /> Firstly, if they use +9v they won't work on a +3, since…
  • Clever and Smart / Mortadelo y Filemon (missing artist + missing series)[URL="[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000987&amp;loadpics=3"]http://www.worldofspectrum.org/pics/pics-both.png[/URL]"]Clever …
  • XAS (missing author, missing v#?)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0021750&amp;loadpics=3"]XAS[/URL]<br /> <br /> Co authored by [URL="http://www.worldofspectrum…
  • Paul And The Lost Chalice (missing third part+missing company connection+game+AKAs )[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0017109&amp;loadpics=3"]Paul And The Lost Chalice[/URL]<br /> <br /> As per the end of part on…
  • Mutant Monty (Middle initial + missing artists + cracked screen + missing company)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003339&amp;loadpics=3"]Mutant Monty[/URL]<br /> <br /> I notice "Softlake Cracking Service" i…
  • 12V missing on an issue 3I’ve been working on an issue 3 Spectrum +. It shows thin distorted vertical stripes on bootup. +5 and -5V are all right but the 12V line measures ro…
  • zx spectrum +2A power supply missing -12v voltshey.. i'm looing at a zx spectrum +2A power supply that the -12v rail seems to be missing .. it has the 12 volts and 5 volts .. it is the version wit…
  • Missing in action!!!!!!!!!From here, I hope gamers can exchange hard to find files with one another. Personally, I am looking for a TAP or Z80 version of Seymour goes to Holl…
  • Missing 2000AD games (again...)Hello, I've posted this on the MIA/MIS forum previously, but nobody seems to have noticed it, so I offer it here for the perusal of all of you, hopin…
  • Missing in CopyrightSee 'Miscellaneous' forum - Missing in Copyright list...? posted by neffuM. Interesting stuff going on there...

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