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Search Again :: Adv Search 1000 results in 0.013s
<1234567…34>
  • sound input causing dead ula in +2 ?I have a dead +2a (it shows static black screen, no border see: [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=9619&forum=4)"]http:/…

    ... black, it makes sense that ula is dead.

    I ... started to think why ula suddenly broke. ... ?lnk=st&q=ula&rnum=18#1b652469b2ff16c9"] ... now one of them is dead! It may be that ... input socket when the ula went dead.
    Timppa Timppa November 2005 Hardware
  • Slowly getting dead... (ZX48)Well, in a post of mine, I said that i have a problem with B,N,M,Symb.Shift and space. Then when i opened this wonder of technology, i saw that the t…

    ... will cut the connector's dead pieces out.So, i plugged ... one, the security band is dead and also the two ribbons ... of connector one are dead.
    I wanna make that ... working or not. I mean dead ULA or dead membrane, no processor, burnt ...
    tayanc_molla tayanc_molla January 2005 Sinclair Miscellaneous
  • Broken keyboard due to broken ULARecalling csmith's thread about dead ULAs, a thread appeared in the Zonadepruebas (Spanish) forum regarding... a dead ULA, but only a partially dead …

    ... csmith's thread about dead ULAs, a thread appeared ... regarding... a dead ULA, but only a partially dead ULA, in so much ... functions worked OK (perhaps some dead peripheral cells?) Indeed, there ... .

    "Another ULA knackered!" I thought...but... how ...
    Winston Winston October 2010 Hardware
  • Fully-addressed devices initiative (FADI)I would like to introduce an initiative for those who create new pieces of hardware containing legacy devices with well-known addresses. It says that…

    ... the +2A/+3 and +2B are practically bombproof[/QUOTE]< ... experience, 48K and 128K ULA are robust chips. They ... /128K Spectrums and a dead ULA is a rare failure. ... way, I've seen many dead ULA's (well, gate arrays ... when they fail, the ULA is a plausible candidate. ...
    mcleod_ideafix mcleod_ideafix March 2013 Hardware
  • Using VAC PSU in DC deviceHaving fixed the dead Issue 3B, I began to wonder about the PSU that came with it. It was pretty obvious what had killed the poor Spectrum as the PSU…

    Having fixed the dead Issue 3B, I began to ... dead 7805, dead TR4 and TR5, probably dead lower and upper RAM, partially dead ULA ...
    protek protek April 2014 Hardware
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... likely to be a dead ULA, dead Z80 or dead lower 16K RAM.
    Spirantho Spirantho June 2005 Sinclair Miscellaneous
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... ] it doesn't have any dead RAM in the top 32K ... reinsert them. Might have a dead ULA, though, in which case you ... 'll need a replacement ULA.

    Hopefully that'll ...
    Spirantho Spirantho June 2005 Sinclair Miscellaneous
  • ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…

    Sounds possible it's a dead ULA....

    But if that' ...
    Spirantho Spirantho September 2005 Sinclair Miscellaneous
  • Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …

    ... chips from boards, especially the dead ULA ones from the +2a/3 ...
    DEATH DEATH November 2006 Hardware
  • Spectrum +3 Problem & A Modification IdeaThis is a dual post. And it's also my first post, so I apologise if I get stuff wrong lol. My mate bought a Spectrum +3. I'm unsure about how many d…

    ... /> No display could be dead machine, dead ULA, dead RAM. If you have something ... rule out a dead modulator. If it's the ULA you're ... explain to me what a ULA is?

    Well to ...
    bzr_wolfetone bzr_wolfetone February 2007 Hardware
  • Problem with Spec 128k +2 !! Noob calling for help!Hi there, I have an spec 128k +2 which was working fine, played with him yesterday and today when i tried him again he gave me this [URL="http://go…

    ... also be caused by a dead ULA, ROM or CPU (or combinations ...
    Winston Winston February 2007 Hardware
  • Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …

    ... 's unlikely to be a dead ULA since you got as far ... way to really kill the ULA properly.

    But I ...
    Winston Winston March 2007 Hardware
  • Spectrum more loved than C64It just occurred to me that the Spectrum must be more loved than the C64 these days. After all, it has been more than a year since an update was made…

    ... CPU if you are lucky dead ULA if not though one project ...
    dekh dekh May 2008 Chit chat
  • Issue 3B problemHi! I have an issue 3B board that is having a strange problem: when I got it it didn't had the -5V and +12v, as usual. After replacing TR4 and TR5 t…

    ... would indicate a problem in ULA or video encoding circuitry.
    ULA from that other Spectrum, and ... whether you have a faulty/dead ULA, or some other problem. Do ... have this option, to swap ULA's with another (working) Spectrum ...
    RetroTechie RetroTechie April 2009 Hardware
  • Spectrum +2 datacorderHi, my Spectrum +2 datacorder isn't working. Does anyone know if I can still load software through the tape/sound socket at the back of the machine i…

    ... somewhere that the +2A ULA or whatever is called in ... a +2A because of a dead ULA. It was connected to an ... Z80 pins showed that the ULA does not drive the ... The input clock of the ULA was ok (35MHz) the ... impossible because no one sells ULA for +2A.

    ...
    ingo ingo September 2009 Hardware
  • Spectrum +2 datacorderHi, my Spectrum +2 datacorder isn't working. Does anyone know if I can still load software through the tape/sound socket at the back of the machine i…

    ... a +2A because of a dead ULA. It was connected to an ... The input clock of the ULA was ok (35MHz) the ... impossible because no one sells ULA for +2A.

    ... output pin clock of the ULA is broken.

    ... a spectrum +3 that ULA dodn't give clock signal ...
    Jose_Leandro Jose_Leandro September 2009 Hardware
  • Where: ZX Printer ULA's and ZX interface I ULA'sIs there any source left for these ULA's? Alot of tings can be replaced, like the ZTX transistors and occasionally you can come accross a normal ZX S…

    ... sure at all that the ULA's of my ZX Interface ... ? As of course beside the ULA, there are many other parts ... interface 1 that has a dead ULA ...would be nice to find ...
    beanz beanz October 2009 Hardware
  • Where: ZX Printer ULA's and ZX interface I ULA'sIs there any source left for these ULA's? Alot of tings can be replaced, like the ZTX transistors and occasionally you can come accross a normal ZX S…

    ... interface 1 that has a dead ULA ...would be nice to find ... 8 transistors + 1 over the ULA, some diodes, two basic logic ...
    georgedb georgedb October 2009 Hardware
  • Spectrum +3 with internal 3.5" Floppy!!I've decided to flog my beloved Speccy +3 and fall back to emulation again. Not the same I know, but I'm absolutely skint! It also has the sound dist…

    ... out of warranty!) from a dead ULA :(
    spider spider April 2010 Sales
  • Spectrum +3 with internal 3.5" Floppy!!I've decided to flog my beloved Speccy +3 and fall back to emulation again. Not the same I know, but I'm absolutely skint! It also has the sound dist…

    ... out of warranty!) from a dead ULA :([/QUOTE]

    Just packaged ...
    Spectroid Spectroid April 2010 Sales
  • Help with broken SpectrumHi There, Just received a ZX Spectrum computer. It's an issue 3B (48k version). When I power it up (9V centre pin -V) nothing happens. It's complete…

    ... ]average[/I] 'DC' voltage on ULA pin 32, Z80 pin 6 ... things. Oh and pop the ULA out & re-socket it ... spot something. My gut says dead ULA but I prefer evidence... ;)
    RetroTechie RetroTechie September 2010 Hardware
  • Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…

    ... as people often think their ULA is dead, when it's actually ... I've never known a ULA to die.[/I]
    ... , I accidentally connected a ULA on a breadboard with the ... sure my 48k had a dead ULA, the power circuits had all ... . I put a spare ULA in and it worked so ...
    guesser guesser October 2010 Hardware
  • 48k rubber key screen corruption[IMG][URL=http://img195.imageshack.us/i/img7398g.jpg/][IMG]http://img195.imageshack.us/img195/5563/img7398g.th.jpg[/IMG][/URL] Uploaded with [URL=htt…

    ... screen, IIRC it had a dead ULA. Not saying that's the ... start (and/or put this ULA in a known good Spectrum ...
    RetroTechie RetroTechie December 2010 Hardware
  • 48k rubber key screen corruption[IMG][URL=http://img195.imageshack.us/i/img7398g.jpg/][IMG]http://img195.imageshack.us/img195/5563/img7398g.th.jpg[/IMG][/URL] Uploaded with [URL=htt…

    ... at least I know the ULA is ok.[/QUOTE]
    ... put a [I]known working ULA[/I] into this machine & ... likely[/I] not a faulty ULA' (and it's always ... you put [I]this[/I] ULA into a known working Spectrum ... [I]would[/I] be a dead ULA, right? :???:

    Hint: ...
    RetroTechie RetroTechie December 2010 Hardware
  • 48k rubber key screen corruption[IMG][URL=http://img195.imageshack.us/i/img7398g.jpg/][IMG]http://img195.imageshack.us/img195/5563/img7398g.th.jpg[/IMG][/URL] Uploaded with [URL=htt…

    ... of thumb or a dead certainty - Borders = good ULA?

    Would ... video signal. So with a dead ULA you wouldn't get anything ...
    guesser guesser December 2010 Hardware
  • 48k rubber key screen corruption[IMG][URL=http://img195.imageshack.us/i/img7398g.jpg/][IMG]http://img195.imageshack.us/img195/5563/img7398g.th.jpg[/IMG][/URL] Uploaded with [URL=htt…

    [QUOTE=guesser;498511]The ULA generates the video signal. So with a dead ULA you wouldn't get anything resembling a picture at all.[/QUOTE]

    Thanks very much, good to know.
    hedge hedge December 2010 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    Spectrum 48k Issue 6a 1984 149-464865 Portugal, Dead ULA, possible memory faults
    Macc Macc December 2010 Sinclair Miscellaneous
  • 2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…

    ... even if you remove the ULA and the Z80 from the ... , then you probably have a dead ULA.

    [QUOTE=Diogo;512748 ...
    mcleod_ideafix mcleod_ideafix February 2011 Hardware
  • 2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…

    ... even if you remove the ULA and the Z80 from the ... , then you probably have a dead ULA.[/QUOTE]

    Ok mcleod ...
    Diogo Diogo February 2011 Hardware
  • Question for ZX81 GurusI have an ISSUE 1 ZX81 with a 2C184E ULA. If I ever need to change it, can I use one of the newer 2C210E ULAs? If I can, are there any other mods th…

    ... with the 184 ULA. And a dead one with ULA 210

    ULA be upgraded OK with no ... other problems with the board - dead ULA, ROM or Memory - I've ... the Z80. Using a 210 ULA replaces a faulty 184 leaving ...
    rune rune August 2014 Hardware
<1234567…34>

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