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Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
Issue 4 board, and cause it was ... ://zeod.org/spectrum/Issue4.jpg"]Issue 4 top side[/URL]
[URL ... ://zeod.org/spectrum/back.jpg"]Issue 4 bottom side[/URL]
Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
I have an issue 1 with a wire soldered ... 6 and 8, and pin 4 is linked by a wire ... />
I also have an issue 4 which I don't think ...Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... =JohnH;560149]I have an issue 1 with a wire soldered ... 6 and 8, and pin 4 is linked by a wire ... ]
I also have an issue 4 which I don't think ... /> I don't think the ISSUE 4 should have any modifications to ...Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... have a look at the issue 4 next time I'm at ...Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
Done a couple of Issue 4's. On photobucket [url=http://s6.photobucket.com/albums/y247/zx_spectrum/ZX%20Spectrum%20plus%202A/]here[/url] or grab the original sized scans [url=http://www.mediafire.com/?73z8w7f1d1o2e0o]here[/url] [48mb].Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
my issue 4
[img]http://www.encarnado.com/128+2b1.jpg[/img]
[img]http://www.encarnado.com/128+2b2.jpg[/img]
On non-component side same yellow condenser as in post #4CRASH on Kindle (experimental)In the past couple of days, I've been looking at producing versions of CRASH Online for the Kindle. (It's DRM-free Mobipocket so presumably it can be…
Issue 3 now re-issued with additional 'platform game' reviews in the Guide, including Manic Miner.
Issue 4 issued, [url]http://www.crashonline.org.uk/04/crash04.mobi[/url]Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…
... the picture bad on an issue 2.
After that ... power circuit. I had an issue 4 the other day on which ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... from Spectrums after Issue 2 and in another Issue 2 I've ... it works perfectly in an Issue 4, but not this ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... works perfectly in an Issue 4, but not this Issue 2...[/QUOTE]
Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... /> I notice that in the Issue 4 Spectrum my transistor inverter circuit ... SRAM board connected to the Issue 2, the display changes dramatically ... 'd expect them to. The Issue 4 Spectrum just carries on as ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... br />
No, on an Issue 2 at least, C54, if ... I'd been using an Issue 4 Spectrum+ in some tests. ... It is actually an Issue 6A, I don't ... />
It does appear the Issue 2 Spectrum went through a ... was done away with after Issue 1, but it clearly wasn ...FS:Toastrack, +2A and 2x Boxed Alphacom 31'sOnly issue is one of the printer boxes is quite tatty, apart from that everything works, computers are lovely, clean and working. Open to offers! […
If you are opening the Black +2 can you tell us what version motherboard it has? Cause I'm after an Issue 4 board to do some reverse engineering for the schematic project.Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... /> I see that in the Issue 4 and up, /RAS is delayed ... a CPU access. In an Issue 2 Spectrum, it looks to ... well in the Issue 6A, but not the Issue 2. In the ... Issue 2 the display is ...BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…
... 4116 might work in an Issue 4 or later Spectrum, but quite ... earlier one. Spectrums prior to Issue 4 barely allow enough time for ... removing the capacitors. On the Issue 2 boards I've got ... (probably corrected on the Issue 3, but I haven't ...BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…
... 4116 might work in an Issue 4 or later Spectrum, but ... one. Spectrums prior to Issue 4 barely allow enough time for ... the capacitors. On the Issue 2 boards I've got ... (probably corrected on the Issue 3, but I haven' ... />
Mine is an issue 3 board so it looks ...Three faulty machines - help!I have three Spectrums and all of them have suddenly collapsed and I can?t figure out what?s wrong. New here.... I own three Speccies but all of a …
... this the Spectrum+ with an Issue 4 or later PCB? If so ...4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... in any that is an issue 4 or newer. It does not ... work reliably in an issue 3 Spectrum and does not ... circuit introduces too much delay. Issue 4 and above Spectrums allow longer ... make it work in an issue 3 by adjusting the component ...4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... important for Spectrums prior to issue 4 that don't have the ... circuit works perfectly in an issue 4 and above. The ULA access ... 't depend on the Spectrum issue number.
[QUOTE=RetroTechie ... onto /RAS signal in older issue ZX Spectrums (see below the ...+3 Games in shopsI was thinking today, when I was a kid back in the late 80s, how come I never used to see Spectrum +3 games in the shops? Were they mail order only o…
... going into the 90s (the Issue 4 motherboard was designed in 1990 ...+3 Games in shopsI was thinking today, when I was a kid back in the late 80s, how come I never used to see Spectrum +3 games in the shops? Were they mail order only o…
... going into the 90s (the Issue 4 motherboard was designed in 1990 ...ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …
... letter from Mr Giblin in issue 4 here [url]http://www.users ...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…
A 4S issue is a standard issue 4 produced by Samsung (thus the S). Nothing more nothing less, these too break down as easily as the rest... its not rare either.Mary Celeste[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0026341[/url] Inspection of the BASIC block revealed the following information: [I]16/48Magn…
[QUOTE=Alessandro Grussu;632988]The original appears not to be even listed in the archive.[/QUOTE]
May be because the original was only available on the 16/48 Magazine tape issue 4 (albeit the original language was English).Mary Celeste[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0026341[/url] Inspection of the BASIC block revealed the following information: [I]16/48Magn…
... the 16/48 Magazine tape issue 4 (albeit the original language was ...Mary Celeste[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0026341[/url] Inspection of the BASIC block revealed the following information: [I]16/48Magn…
... the 16/48 Magazine tape issue 4 (albeit the original language was ...Mary Celeste[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0026341[/url] Inspection of the BASIC block revealed the following information: [I]16/48Magn…
... the 16/48 Magazine tape issue 4 (albeit the original language was ...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…
... everything where connected. Still the issue 4 schematic is of some help ...
