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Toastrack - poor state/non working requiredHi all, I'm after the rattiest, tattiest, non-working toastrack that can be gotten - I'd like to obtain one I can fully socket for testing my diagn…
... only criteria is that the PCB is present and that there ... or no damage to the PCB traces. I can fix everything ... -
Just Speccy 128Wow, got home and found that I have received a parcel from Zaxon containing a Just Speccy 128 PCB :-) B-)<br>Now all I need is a parts list, th…
Wow, got home and found that I have received a parcel from Zaxon containing a Just Speccy 128 PCB :-) B-)
Now all I need is a parts list, the parts on the parts list, and some free time to build it :D
Mark -
Toastrack PCB verisonsA quick question - what are the main differences between the issue 6k and issue 6u motherboards in the toast-rack? Is one considered to be more relia…
A quick question - what are the main differences between the issue 6k and issue 6u motherboards in the toast-rack? Is one considered to be more reliable, etc than the other? -
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 ... -
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…
... . There is a custom USB pcb . Is this an Arduino variant ... -
+2 Grey versionsThis thread is an attempt to pin down the various hardware revisions of the +2 Grey. If anybody can provide further images from their machines or fur…
... three main revisions of the PCB, within these there appear ... date code for the PCB batch is recorded on the ... on the rear of the PCB.
[i] ... stocks of the toast rack PCB were used up?
... bottom left corner on the PCB in the silkscreen
... -
SpectranetI have been looking for information on the Spectranet and am struggling to find very much. As I understand it, a 48k Spectrum fitted with one can 'ta…
... Spectranet still available? (or are Eagle Files and BOM available anywhere ... -
Hardware preservation categoryI’ve no idea what anyone will think of this, but I’ve often found it really tough to get the tech info that I’ve needed for emulation, and am wonderi…
... category would include discussions on PCB photography, drawing of schematics, dumping ... -
Another silly hardware idea - RAM Pack adaptorHow about a mini bit of PCB that adapts ZX81 RAM Packs to replace the address space of the Spectrum's ROM? I guess practically you'd need a way to…
... about a mini bit of PCB that adapts ZX81 RAM Packs ... -
Superfo Harlequin Rev D Documentation wantedI have a Rev D Superfo Harlequin PCB. I would like the documentation (schematic and board layout files), but I get a [b]Not Found[/b] error when I cl…
... a Rev D Superfo Harlequin PCB. I would like the documentation ... -
Which joystick design?Dear World of Spectrum, As some of you may remember, about a year or so ago I embarked on a quest to design an arcade stick for PC and Mac compute…
... the joystick/buttons to the PCB). I currently have a Sega ... -
New K-MOUSE 2016-LPI plan make new PCB version of K-MOUSE 2016. This version will oneboard, horisontal, without cinch connector. "LP" at end sign LOW PRICE. Price of ho…
I plan make new PCB version of K-MOUSE 2016. ... as BUS EXPANDER.
PCB without components may be used ... with reset button.
PCB without PIC chip and mouse ... />
Any ideas for new PCB ? -
Eddie 'The Eagle' Edwards the Film!!This film looks fantastic. I hope they show it over here: https://www.youtube.com/watch?v=UuR3nCZjks0
This film looks fantastic. I hope they show it over here:
https://www.youtube.com/watch?v=UuR3nCZjks0 -
Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... cleaned both sides of the PCB very thoroughly with a flux ... -
A ZX Printer returns to actionAfter quite some messing about, I've got my second printer working. There were 2 reasons it sat idle (apart from the obvious being it's a sh*tty 30 y…
... was a short on the PCB too. After a cleanup, I ... -
Pentagon 128k Rev. 2011 (blue PCB)Fully confirmed working, various original design issues fixed (instable power rails, joystick adapter not working, FLASH not working) PSU and 3.5" d…
Fully confirmed working, various original design issues fixed (instable power rails, joystick adapter not working, FLASH not working)
PSU and 3.5" disk drive included
Asking price: 120€ without keyboard, 150€ with Fuller FDS keyboard
< ... -
Grey +2 SRAM module - any interest ?In the same vein as Zorn's RAM replacement modules, I designed a board that replaces a bank of 8x4164 RAM IC's as used in the Grey +2 with a modern S…
... interest. I may put the EAGLE files up for free download ... -
Small batch of ZX-Unos outside SpainI am a member of the ZX-Uno team. We have launched a sucessfully crowdfunding campaign of 250 ZX-Uno, but they are all sold (mostly in Spain). I apol…
... in 2013, there were 6 PCB revisions and at this time ... -
Hong Kong filmsDoes anyone else like Hong Kong films? I love them. I've seen these(but only kept records for the last 10 years) and have a few of them. I especially…
Speed (nano seconds) of memory chips ZX SpectrumThe ZX Spectrum uses 4116 memory for the lower memory, which can be replaced by other sorts or a whole, modern, module, but when searching for 4116 m…
... the wired one on the PCB) because half of the RAM ...Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…
... been working on a clone pcb board for the zx spectrum ... wanted to create a 128k pcb board as i love the ...Rolling display from RGB port on a +2Hi gang, after many years I finally decided today to attempt connecting my +2 to my Japanese RGB monitor. Using just the composite video pin only …
... />
I had a Toobin PCB which runs at 24kHz, and ...ZX8401 / PCF1306P / Amstrad 40058 ReplacementsHi all, I took the schematics and layout from [url="http://8bit.yarek.pl/upgrade/zx.zxmux/"]here[/url] a few weeks ago, and ordered some PCB's. Gl…
... weeks ago, and ordered some PCB's. Glad to report the ...Upper memory issueZX Spectrum 48K, issue 2, boots fine. Lower RAM OK. When tested with the new test ROM in the Diagboard, for all upper RAM tests "FAIL" is shown. I…
... see anything particular on the PCB for the socketed IC22 (which ... ) with another, working, issue 2 PCB.
Replaced an SN74LS157N ... a faulty ULA. The mini-PCB is there, but the IC ...Spectrum +2 (grey): Mod- and operation- related advices needed.Dear Sirs and Ladies, Please welcome a newbie to the “World of Spectrum” (both to the forum and, well, metaphorically). I’ve recently purchased a…
MK14 keyboard replacementI'm the proud owner of a Science of Cambridge MK14! It seems fully functional, but the keyboard is a disaster - some keys don't seem to work at all, …
... match the spacing on the PCB (5mm), [u]if[/u] I ...ZX Speccy +2A - B&W & snowy RF output + other issuesHi All, I am new to this forum and I am back to the Spectrum world after 25 years. Recently I've bought a second hand +2A (+2B board - Z70833 Issu…
... PSU and on the datacoder PCB. - All voltages are stable and ... every point of the main PCB. All transistors checked and working ...My re-creacton of the Z80 8-bit Universal IDEI looked into my draw with various bits & bobs for PC and I found there a CF-IDE adapter, HDD ribbons and two CF cards. So, I was thinking to myself,…
... , IC sockets, pin headers. The PCB had to fit within the ... drew two variants of the PCB:
1. THT variant
PCB makers. The SMD version arrived ... board and the main ZX PCB. I used wrong type of ...Just a slight bit of track damage...!!!Just a slight bit of track damage to this PCB... These are pictures of the damaged board after stages one and two of cleaning it. [img]https://c1…
... of track damage to this PCB...
These are pictures ...
