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Spectrum issue 4S ??? What is that?I recieved a spectrum 48k today that i bought from Ebay (rubber). I opened it up and to my surprise it was an Issue 4S, yes 4S!!! I didn't know there…
... my surprise it was an Issue 4S, yes 4S!!!
I didn't ... anyone know how can an issue 4S exist? -
Spectrum Issue 4SI bought a speccy 48k off of eBay. Looking inside it has an Issue 4S board. But I cannot find evidence that the 4S was ever issued inside the rubber …
... . Looking inside it has an Issue 4S board. But I cannot find ... evidence that the 4S was ever issued inside the ... speccy but mine definitely says 4S.
I have only ... seen the Spectrum+ with the 4S inside. Is this a frankenstien ... -
issue 4s for reapirHi All, This time I have issue 4s for repair :) Here is few screen shots and small movie after boot. [url]http://forest.no-ip.org/issue4s/[/url] I kn…
... ,
This time I have issue 4s for repair :)
Here is ... .
And what is this issue 4s ? what schematics to look ?
ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…
... board says it is an Issue 4S.
- The computer had been ... be blown as well?
- Issue 4S? In WOS docs there are ... for Issue 4a and 4b, but I've never head about Issue 4S.Issue 4S users... I need your help!Short story: Issue 4S spectrum don't work. TR4 seems to have pins at different places from other speccys (BCE versus EBC), and usual replacement part…
Short story: Issue 4S spectrum don't work. TR4 ...Spectrum 48k Issue 4S?I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I a…
I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I am curious in what way it differs, as there are no schematic for issue 4S on this site.ZX 48 issue 4S no s-video possible?No s-video on ZX 48 issue 4S possible? I have had this mod on my issue 4A. But this did not work with my 4S. On C65 is no chrominance signal. Here …
... s-video on ZX 48 issue 4S possible? I have had this ... mod on my issue 4A. But this did not ... work with my 4S. On C65 is no chrominance ...For sale: ZX Spectrum 48K Issue 4SI have a fully restored (and with all chips socketed) ZX 48K Issue 4S, that I am told is a bit of a rarity, that I am willing to sell. Dont know what…
... all chips socketed) ZX 48K Issue 4S, that I am told is ...Issue 4S display improvementsHi all, I'd noticed that the display (via modded composite out) of the Issue 4S I repaired a while back (details [URL="http://www.worldofspectrum.or…
... modded composite out) of the Issue 4S I repaired a while back ... /> So if you have a 4S, this looks like a worthwhile ...Issue 4S differencesI decided to buy an Issue 4S PCB after reading much about them on here. It was originally in a plus case which didn't come in the sale. I've been run…
I decided to buy an Issue 4S PCB after reading much about ... about the Issue 4S. Is it closest to Issue 4A or Issue 4B? As ... problem is with using the Issue 4S with Divide. So far it ... isn't implemented properly on Issue 4S. Is this likely to be ...Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... !, but I've got this Issue 4S that aside from the 'Jailbars ... is something specific to the 4S or if anyone else has ...Spectrum issue 4SI have an almost completely depopulated issue 4s board. Wondering what to do, repairs or spares? I hooked it up and the voltages are off, 5v is fi…
... have an almost completely depopulated issue 4s board. Wondering what to do ...ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…
... to read. I have an Issue 4S I recently acquired and planned ... a friend.
The issue:
Composite video out on ...Issue 4S Schematics and DC-DC circuitA while ago I bought a Spectrum 4S that had problems tuning. I removed the RF tuner as I was not going to use it and did the composite mod. It worked…
... ago I bought a Spectrum 4S that had problems tuning. I ... , I notice that the standard issue 4 schematics and layout documents ... not 100% correct for the 4S, which makes it a bit ... have specific schematics for the 4S?
I currently have ...Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…
... that it had a loading issue (always gave me R tape ...48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... bought a working 48k + Spectrum (Issue 4). I wasnt sure if ...Issue 4S bad M1Never ever seen a 4S with a bad M1 line before today [url=http://postimg.org/image/o2yrigdb1/][img]http://s14.postimg.org/o2yrigdb1/IMG_1291.jpg[/img…
Never ever seen a 4S with a bad M1 line before today
[url=http://postimg.org/image/o2yrigdb1/][img]http://s14.postimg.org/o2yrigdb1/IMG_1291.jpg[/img][/url]
But it is!Spectrum+ keyboard issueHi I have a spectrum+ (issue 4s board) where the 1-5 keys do not work. I have replaced the membrane and checked for continuity. I have also tested …
... />
I have a spectrum+ (issue 4s board) where the 1-5 ...It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
... a continuity/short test (the Issue 4S board it's connected to ...The long view of TV out qualityAs time went on, Sinclair improved the analogue side to give better picture quality. It's therefore ironic that out of the four Spectrums I currentl…
... currently have, the oldest (the Issue 2) has the best video ... out. The other three (Issue 4B, Issue 4S and a toast rack 128 ...TIPP31 transistor questionYesterday I had the time to try and repair a 4S issue 48k spectrum I had. First of all I replaced all the electrolytic capacitors. The tr4 transistor…
... to try and repair a 4S issue 48k spectrum I had.
issue (4S) was fitted without any rearrangement ...DivIDE HelpHi all, After a rather long wait my DivIDE from Papaya labs arrived. I connected it to my spectrum, turned it on and...nothing. The green power LED…
... />
I've got an Issue 4S Spectrum 48k+. As far as ...Several Spectrums for Sale - + Some GamesHaving a bit of a pre-christmas clearing session, I'm Selling 6 Spectrums on Ebay. 2x Issue 3's and a 6A which are blown. An Issue 2 Working An Issue…
... Spectrums on Ebay.
2x Issue 3's and a 6A ... Working
An Issue 4A Working
An Issue 4S Boxed and working ...Speccy 48In my messing around with hardware, I have managed to nacker a Speccy 48 board. Specifically, i have managed to mess up the power inverter section. …
... to be marked (C) 1983 Issue 4S, (Yes, "S")
In the ... , there is a Issue 4A, but not a 4S, the layout, and ...Ever wondered how speccy sounds from the inside?My last project with one of my lovely spectrums involved... [I]Recording of the sounds that various integrated circuits inside Sinclair ZX Spectrum …
... /Videoface/Sinclair+ZX+Spectrum+1983+Issue+4S[/url]
I know ...Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... : firstly I composite-modded an Issue 4S board this weekend in preparation ... /> If we look at an issue 4 board, and the final ...Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…
... have a Rubber key Spectrum(issue 4S) which lost it's whole ...Whole upper memory lostHi! I own a rubber key Spectrum with 48K RAM. Suddenly it lost it's whole upper memory. All diagnostic programs says that it's 16K model with workin…
... is broken?
Board is Issue 4S and upper memory chips are ...Killed the audio on 3 Speccys :(3 Speccys, now with no beeper output, even when I fit a new ZX Speaker. Oh ****e, what can I do? The boards are: Issue 3b Issue 4a Issue 4s Unhap…
3 Speccys, now with no beeper output, even when I fit a new ZX Speaker. Oh ****e, what can I do?
The boards are:
Issue 3b
Issue 4a
Issue 4s
Unhappy me. Need help.
