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Spectrum 128 malfunctioning with DIVMMCI recently got myself a spectrum 128 (toastrack) and a DIVMMC card so I could load games from it. It all works fine until it has warmed up and then t…
... problem can also occur on 48K Spectrums (rubber key and Plus ... 16K and 48K Spectrums, desolder, then resolder the 7805 regulators PCB lead ... -
Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... keys as that of the 48k+ or heatsink type. I use ... membrane and the PCB for my harlequin which has 48k layout.
Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... +2 has the same as 48k+! I really use it therefore ... the signals to the PCB of the 48k Spectrum.
Here is ...Points on +2 Cassette to add Mono plugHi All, I am looking for the points on the ZX +2 cassette board where I can add the wires to a mono jack to load from WAV Anyone help?
... is on the 48k. The amplifiers in the cassette PCB produce a ...New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... if would fit on a 48k but I wonder if it ... to make a small enough pcb accomodating all the required components ...New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... if would fit on a 48k but I wonder if it ... to make a small enough pcb accomodating all the required components ...Cleaning the Spectrum inside and outJust wondered how people clean their Spectrums inside and out. I have been using isopropyl to clean the port connections on my +2 and +3 but not sure…
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If it's a 48K rubber key model, then some ... , as well as removing the PCB:
- removing faceplate, keymat ... does a good job on PCB's.
BSpectrum 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…
Recently acquired 5off Spectrums, all 48k unless noted:-
001- ... the backplates so the wrong pcb may be on the wrong ...RAM issue for potential 48k buy?Hi guys I've got a 48k in my sight for ?20 but... it has an issue: [QUOTE]"I tested the computer and only displayed a distorted screen. Coloured …
... port is bent and the PCB has taken abit of a ... it should work fine the PCB isn't cracked or anything ... salvaging... I've got another 48k on it's way... I ... as a donor for my 48k if the lower RAM ever ...Keyboard compatability question (in theory)I don't have access to check this and an image search on Google etc does not always lead to accurate results. Anyway, in theory: Can I use a 48+ / …
... /> Also, the membrane from a 48k+/128k can't be used ... of the connectors on the PCB doesn't come close to ...Did you know.. Disciple edge connectorDid you know the edge connector used on the Disciple is actually identical to that from the Interface 1? [IMG]http://www.benophetinternet.nl/hobby/v…
... to the rest of the PCB to eliminate influence and ensure ... a special wooden case (my 48K Spectrum is still there! - I ... Spectrum's lower part and PCB is horizontal but the upper ...Did you know.. Disciple edge connectorDid you know the edge connector used on the Disciple is actually identical to that from the Interface 1? [IMG]http://www.benophetinternet.nl/hobby/v…
... of the Inreface 1 PCB, all the PCB is "disabled" (if not ... post some pictures of my 48K configuration with the custom wooden ...Damaged S2 IC 26?I'm after more advice, pretty please :) On my S2 board there appears to be a damaged chip, it looks to be IC 26 and is marked as 74LS158PC, it appea…
... ZX Spectrum Hardware Description and 48K ZX Spectrum Repair (No. 5 ... ]
The issue 2 PCB is set up only for ...48k TV IssuesHi all Quick question, how can i improve my 48k picture? (without composite mods...) currently it looks like this: [IMG]http://s26.postimg.org/oox…
... ://ridgedpixel.co.uk/projects/48k/63.jpg[/img]
PCB.
[img]http://ridgedpixel.co.uk/projects/48k ... ://ridgedpixel.co.uk/projects/48k/66.jpg[/img]
48k/67.jpg[/img]
48k/68.jpg[/img]
Why do you love the Spectrum?I saw a similar question posed on a Spectrum FB group and it got me thinking. At first, I struggled to answer what should be a simple question. So af…
... on that thing - worse than 48k Spectrum games I seem to ... he smashed up a 128k+ pcb (yes really!!!). Story behind that ... a repair shop where my 48k+ was fixed. Instead, they took ...Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
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Is the original Spectrum 48k the only "real one" then ... those fixes onto the pcb were those Spectrums just ... When Amstrad redid the pcb and tried to reduce component ... several ULA revisions, several PCB revisions and several software changes ...What is the Speccy? exUSSR edition.In exUSSR 8 years ago have been solved all these issues, and developed a General opinion. All who do not agree with this opinion, are incompetent peo…
... them to a newly produced PCB that is fitted with new ... talking about a 16k or 48k) would also have to be ...What is the Speccy? exUSSR edition.In exUSSR 8 years ago have been solved all these issues, and developed a General opinion. All who do not agree with this opinion, are incompetent peo…
... them to a newly produced PCB that is fitted with new ... talking about a 16k or 48k) would also have to be ... /pocitace/Jiiiruv-klon-ZX-Spectrum-48k/IMG_0722[/url]
[url ...PCB thicknessHas anyone here got a micrometer and access to a 48k and a 128k grey? Im convinced the greys have a thinner pcb which would explain certain devices a…
48K-Iss 3 = 1.70 mm over clean edge connector,
1.60 mm over (1 side) laquered PCB, 1.55 mm on bare PCB
48K-Iss 2 = idem 1.70 & 1.60PCB thicknessHas anyone here got a micrometer and access to a 48k and a 128k grey? Im convinced the greys have a thinner pcb which would explain certain devices a…
... micrometer and access to a 48k and a 128k grey? Im ... the greys have a thinner pcb which would explain certain devices ...So tell me (in English) about πBacteriaI read a tantalizing snippet on another thread about something called 'πBacteria'. It seems that this tiny piece of software is a bare-metal Spe…
... short. It's a rubber 48K emulator, not AY, not contention ... I have made an adapter PCB board called kindly "Vegalizator". I ...48k noise problem..Hi guys, I need some hardware advice with my old 48k. The machine is VERY noisy - I've fixed the video noise by performing the 'composite' mod, but …
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Meanwhile...
The 48k Spectrums ignore the sound channel ... Spectrum (except for the later PCB revisions) makes a constant buzzing ...The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
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I had a spare 48K case with rubber keymat, coupled ... eBay lot that contained the PCB also had what I would ... guess was it's 48K+ case, I passed this onto ...Hacking a +2 into a shorter caseIf anyone's got a copy of the notes or text they posted about re-wiring the +2 joystick ports or hooking up a tape recorder to the motherboard casset…
... +5 ribbon connectors as a 48K (though off to the side ... head pads on the tape PCB, obviously you'd have to ... across R82 (front left of PCB just to the left of ...Video ZX Spectrum+ 48k<span>Good day ... is a bit of time that I try to fix my zx spectrum ... I replaced the ram 4116, all electrolytic capacitors ... but the monitor loo…
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Note that for 16k/48k/plus Spectrums, the only source ... where when laying out the PCB, Sinclair swapped address or data ...Issue 3 /3b power rail improvements<!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:AllowPNG/> </o:OfficeDocumentSettings> </xml><![endif]--> <p class="MsoNormal">Hi F…
... to power rails around the pcb and
improve reliability of ... and -5 Volt.
The 48K Service Manual is your friend ...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…
... in a slightly damaged PCB). They were both 48k Issue 3's ... ...
Anyways...
48k, Issue 2
Serial : D01 ... : Zilog Z80A 8316
48k, Issue 4A
Serial : 025 ...Spectrum USB KeyboardI know you can buy these but how do you make one . What I am thinking of be similar to the type described in Issue 1352 of Micro Mart at page 45 .The…
... easily transposed to another custom PCB or is it likely to ... of Issue 1341 "ZX Spectrum 48K Raspberry PI" I suppose I ...New member searching for DIY informationHi everybody, I'm totally new on this forum, and in the Spectrum family. Usually i work with Amstrad computer and Atari also. I made various interf…
... PCB (you supply the parts).
PS. Tested on a 48k ...
