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FS Very early serial ZX81Sorry in advance if I have put this in the wrong section, please move if wrong! [URL="http://www.ebay.co.uk/itm/111235944876"]ZX81[/URL]
... an issue 1, then an issue 3 no serial followed by an issue 1 ... -
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…
... (Green)
ULA 5C112E-3 8316
Issue 3
D01-191360 ... (Green)
ULA 6C001E-6
Issue ... )
ULA 5C112E-3 8319
Issue 3B
D01-366989 ... -
Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…
... speaker whilst saving.
Issue 4B board in an '83 ... tbh - I'd expect an issue 2 or an early issue 3 board -
Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…
... headphones...
[QUOTE=DEATH]Issue 4B board in an '83 ... 'd expect an issue 2 or an early issue 3 board [/QUOTE]
Two spectrums?I'm trying to find out more about these two Spectrum? The serial number on the first is worn. I found these pictures on the web and that's all I ha…
... [/URL] they're both probably issue 3 boards (second may be a ...+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…
Cheers B! Exactly what I needed! Its a 70500 Issue 3 board btw, just for reference, time to order some BC547's then if the BC548's wont work (or will they?)Horace MinerNew Horace game for 2014 [url]http://stevebroad.x10.bz/spectrum/download/HoraceMiner.zip[/url]
... to switch the keyboard to issue 3 under options i Spectaculator.
Spectrum+ Issue 3b customization and repairHi everybody, I've got a Spectrum+ that shows exausted electrolytics capacitors issues such as poor colors on the screen and speaker noises. I was go…
... the voltage conversion circuit on Issue 3 machines (you'll see two ...48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ULA, found on Issue 1 and early Issue 2 boards. ... internally, however a further issue concerning I/O to ... in machines containing this ULA (Issue 2 boards).
[*] ... TV makes. Found on Issue 3 boards, spider mod was ... of RAM. Found on Issue 4A and above boards.< ...48k + Issue 3B Power SocketHi All, Trying to get a Issue 3b resurrected that had a faulty power socket. The socket has come away from the board and peeled away some of the tra…
Thought so, but wanted confirmation. One the Issue 3, it tracks back to the underside of the board but the issue 3b is different.
Ta for confirming. :)DivMMC with other components..Having transferred my loyalties from the IF1bis to the DivMMC, I have finally been able to spend some time trying to set mine up on my ZX Spectrum. I…
... on one of my other Issue 3 Spectrums, I now have the ... ]
I have a similar issue too. The problem seems to ...48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ULA, found on Issue 1 and early Issue 2 boards. ... internally, however a further issue concerning I/O to ... in machines containing this ULA (Issue 2 boards).
[*] ... TV makes. Found on Issue 3 boards, spider mod was ... of RAM. Found on Issue 4A and above boards.< ...48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... reckon it's good for issue 1-3 machines. Not a clue ... />
I'd say till Issue 2 then, as your picture ... confirmed to be compatible with Issue 3.48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ;759916]I'd say till Issue 2 then, as your picture ... confirmed to be compatible with Issue 3.[/QUOTE]
The ULA ...My TV is dying....oh no's!So I'm thoroughly enjoying my return to Spectrum life at the moment. But something is becoming clear to me. Or to be more exact, clearly fuzzy to me.…
I have found that my issue 2 motherboards are having problems ... explained by Mark) TV, where issue 3 and on will synch better ... composite mod. All of the issue 2 board were re-capped ...48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ?
It looks like Issue Two circuit boards were made ... 6C001E-6 boards before the Issue 3 circuit boards were made.NOW look at what SpecBAS can do![img]https://sites.google.com/site/pauldunn/specbas_32.png[/img] Here's the code: [code] 10 WINDOW NEW w,0,0,SCRw,SCRh BPP 32 20 FOR f=1 TO 512 30 …
... /> I got the purple screen issue 3 years ago but my unit ...48k no beeper sound (again!)Got three 48k+ here, all of which have the same exact problem, no sound out the beeper, same problem as detailed [URL="http://www.worldofspectrum.org…
Board issue numbers? All issue 3 or above I take it?< ...48k no beeper sound (again!)Got three 48k+ here, all of which have the same exact problem, no sound out the beeper, same problem as detailed [URL="http://www.worldofspectrum.org…
... current range.
On the issue 3 Spectrum that I have to ...Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…
... />
I've got an issue 3 '81 that has an almost ...Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…
I got the issue 3 I mentioned earlier for ?15 ( ...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…
... -590840, (Issue 3)
011-809283, (Issue 3B)
016-883193, (Issue 3B)
Issue 3B)
028-130891, (Issue 3)
045-345552, (Issue 3B)
S01-035639, (Issue 4S)VERY loud beeper!!I recently replaced a dead beeper with another from an old set of headphones, only this is MUCH louder! Is there a way of bringing the volume down a …
... according to my diagrams the Issue 2 board speaker is driven ... power at the speaker. The issue 3 board use a ZTX 450 ... not sure about the other issue boards and will have to ...VERY loud beeper!!I recently replaced a dead beeper with another from an old set of headphones, only this is MUCH louder! Is there a way of bringing the volume down a …
The issue 5 and issue 6 schematics show TR7 collector ... the +9V rail.
Issue 3 and issue 4 schematics show TR7 collector ... it, I will check an issue 3 board that I have.
HORACE MINER 2Hi folks, Horace Miner 2 is now available. Please use a 48K Spectrum to run this. [url]http://stevebroad.x10.bz/spectrum/download/HoraceMiner2rele…
... ;773693]I use Spectaculator with issue 3 keyboard.[/QUOTE]
A ...Official Basinc thread - Bug reports and other discussionI just released a new BASin fork, basinc. The first official release was V16r2, and today it's r3. it's uploaded to wos archive and alternatively, h…
... prototype ULAplus board in an issue 3 Spectrum. And thanks to Karingal ...Composite video mod on +2 grey: same as 48k?Hello all, Sorry for the n00b question but I couldn't find an answer yet... I did a composite video mod for the 48k in the past. Now I got a 128k +…
... possible on a +2 grey issue 3?
Or would he need ...
