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+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…
... 32)/ 8642 (1986 week 42): Schematic [url="http://forum.wda-fr ... ?id=2442&mode=view"] Schematic[/url]
Mid (1987? Week ... -
SINCLAIR SUPER BUNDLE: ZX SPECTRUM 48K + IF1 + MICRODRIVE + ZX PRINTER + JOYSTICK INTERFACE!http://www.ebay.co.uk/itm/171965481961?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 Here you are another piece of my Sinclair collection. …
http://www.ebay.co.uk/itm/171965481961?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
Here you are another piece of my Sinclair collection.
This time we have an incredible BUNDLE of MINT hardware:
a) ZX ... -
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…
... . I would like the documentation (schematic and board layout files), but ... -
Harlequin Rev. G - error of labels at J16Hi, a German user found an error at Harlequin Rev.G board regarding the labels of J16. The labels of -5V and +12V are interchanged! That could be …
Issue 1 schematics?I'm fault-finding an issue 1 board. So far I've found a hot memory chip and snipped it's supply legs, then swapped the burnt-out 7805 for a switched…
... if anyone knows of a schematic, that would greatly help.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…
... .png[/img]
The schematic is [url="http://www.dark ...Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…
... write your opinion about this schematic.
I tested on Harlequin ... CPUCLK , but Harlequin has different schematic : CLKB is shifted on 1 ... MHz anytime ?
In my schematic S2 switch between 3.5 ...Where could I buy a B1367Y transistor in the UK?I'm after a B1367Y transistor, must be T-220 package type that can be mounted to a heatsink. Anybody know where I can buy them in the UK? Tried Googl…
... be there going by a schematic I found online for this ...Simple Joystick TesterSimple Joystick Tester Schematic [img]https://c1.staticflickr.com/9/8876/28251376950_2efa6f7cf6_o.png[/img] [b][i]Mark[/i][/b]
Simple Joystick Tester Schematic
[img]https://c1.staticflickr.com/9/8876/28251376950_2efa6f7cf6_o.png[/img]
[b][i]Mark[/i][/b]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…
... to find a schematic and layout. The 4ab schematic is similar but ...Board schematic files.Where do I go to download Board Layout and Schematics these days?- All up to Issue 6a boards. It's time for some tinkering!
Where do I go to download Board Layout and Schematics these days?- All up to Issue 6a boards.
It's time for some tinkering!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…
... I’ve done some soldering (schematic pictures attached):
1. Made ... -upper pin to R4 (on schematic - between R4 and TR2) to ...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,…
... based on this well know schematic:
[img]http://www ... .worldofspectrum.org/zxplus3e/images/schematic.gif[/img]
The ...What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... the video out on the IF1 ? I realise the signal is ... commands.
Talking of IF1: A bit more in the ... a 'station' ID in the IF1 so it was permanently set ...TK90X can't read tapesHi there, I was recently gifted a TK90X which seems to be mostly working and has been modded for composite already. Video displays fine and since I…
... Q7 to no change.
Schematic I'm refering to here ...Lambda 8300 Color module (ZX81)I was gifted such a device yesterday and have a few questions ... First of all it appears the interface does work in general when used with a 16K …
... .imgur.com/R4GTBwp.jpg
Schematic here: http://forum.tlienhard.com ...Looking for advice on building a HarlequinNew member here. From the US. My first computer was a Timex Sinclair 1000 back in the early 80s (in fact, I got one of the first batches sold in th…
... />
Looking at this Harlequin schematic, it just screams out to ...Harlequin Rev G AssemblyAre there assembly instructions on the Rev G anywhere? I know there are some component load options wrt PAL vs NTSC on the schematic but I want to m…
... PAL vs NTSC on the schematic but I want to make ...No CLK on issue 2 ULA pin 32I'm trying to fix an issue 2. The symptoms are as follows:- Black and white bars on screen, colours near impossible to tune in, although these po…
... /> I'm looking at the schematic and starting to suspect the ...Replace Issue 2 speakerI was wondering as the speaker in an issue 2 speaker is 200 ohms, would swapping a 40 ohm later spectrum speaker in help with tape loading, less load…
... to match what issue 3 schematic, which should make game volume ...Power Play Joystick InterfacePower Play Joystick Interface for the ZX Spectrum. This is a Kempston compatible interface. Address decoding Any IO address where A5 is low... …
... - always 0[/code]
Schematic circuit diagram:
[img]https ...What about a Universal Spectrum File Container Format for Emulators?A common problem of us Speccy Users is that we have various mass storage interfaces like Interface 1, BetaDisk, Disciple, Tape, divMMC, divIDE and mu…
... /read to this container with If1/Microdrive syntax and tape-commands ...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…
... for 23 12vac shown on schematic?) : -5.175v (20), 11.64v ...Opus Discovery not WorkingHello hope you can help, or if this thread goes well that you also find the answers you are looking for... I have an Opus discovery that does not …
... fact it works with the IF1, Microdrive and Printer, I have ... the networking capabilities of the IF1 but it has passed all ...Testing an Interface 1As title, is there an easy way on how can I test to see if its functional or not please ? :) Please bear in mind I do not have *any* microdrives n…
... I don't think the IF1 is compatible with them. It ...Floppy interfaceI know there are plusd interfaces still being made ans the interface 1bis is being made and the beta 128 but are there anything like the deciple that…
... else thasy fits under like if1 did as only option seems ...Sinclair 16k Ram pAck Issue3 schematicsHi guys, I am willing to repair a 16k ram pack for the ZX81 but I cannot find any schematic of the ISSUE 3 ram pack. I could only find a schematic…
... but I cannot find any schematic of the ISSUE 3 ram ... . I could only find a schematic of the first issue using ... like to check on the schematic to correctly bridge the rams ...servicing a HUSH 80P like the CLIVE PRINTER and requesting some info about itGreetings people, I am finishing reviewing a disk system for spectrum and need to repair the printer, it is a HUSH 80P, similar to the CLIVE printer …
... not find information, nor a schematic diagram I ask for your ...
