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Can a Spectrum make a Harlequin?I've seen this before, but it's still a bit confusing. Are they really printing circuit boards and a Speccy controls the whole thing? :) [url]http:/…
I've seen this before, but it's still a bit confusing. Are they really printing circuit boards and a Speccy controls the whole thing? :)
[url]http://www.spectrum-robot.narod.ru/[/url]
Please don't point me to a very old thread. I ... -
Trying to fix Spectrum Issue TwoHello everybody, I bought from eBay three Spectrums - one is Issue Two and the other two are Issue 3. The Issues 3s look like they are working but t…
Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
Which items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt?
MickyNetwork with ZX48KA Network with ZX48K is possible but what kind of network is the best? Who sells ready network cards or PCB's? Micky
A Network with ZX48K is possible but what kind of network is the best?
Who sells ready network cards or PCB's?
MickyEPROM servicesAnyone ever heard of these people?. I bought a Spectrum add-on from ebay recently. There is an edge connector splitter, i.e. enables you to plug tw…
... currah microslot) and a small PCB with 2 switches and few ...ZX 48K issue 4a with ULA 5?I got a ZX 48K PCB. It works but it has a ULA 5. I thought on the issue 4a is a ULA 6 or later. Micky
I got a ZX 48K PCB. It works but it has a ULA 5. I thought on the issue 4a is a ULA 6 or later.
MickyZX 48K what kind of repair?I bought this ZX 48K PCB but what kind of repair is this? It is a issue 4A PCB. [IMG]http://file1.npage.de/006803/97/bilder/zx48k_4a_pcb.jpg[/IMG] …
I bought this ZX 48K PCB but what kind of repair is this?
It is a issue 4A PCB.
[IMG]http://file1.npage.de/006803/97/bilder/zx48k_4a_pcb.jpg[/IMG]
MickyCan anyone help me identify this game?I think it was a shoot-em-up in the style of Galaxians but I'm not 100% sure. The only thing I remember clearly is that the loading screen was a gol…
... screen was a golden (=yellow) eagle. When the game loaded, the ... and right halves of the eagle scrolled off the screen to ...How to fix dc voltage on a 48+ psuAfter dinner, after a womble video out mod on a "new" purchased 48+ , just in the remaining time I tested the voltage of its psu and, surprise surpr…
... right word in English) on pcb for trimming the output voltage ...VCF report and photosNot sure where to put this, exactly...but here it is, what went on at the Vintage Computing Festival at Bletchley Park last weekend. Finally I've fo…
... Smith's. He had the Harlequin, which as you may recall ... stand was very busy, the Harlequin drew a lot of interest ...Sinclair World?Well, I've been thinking (always dangerous, that, last time I did that the result was the Spectranet). The Acorn lot have been putting on an "Acorn …
... , new hardware, things like the Harlequin, networks of Spectrums, that kind ...48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…
... in which the terminal enters pcb..... :-o
Must I further ...Spectranet news...Well, I've built up the first "production" board to validate the slightly changed PCB layout works OK, and the bug that was in the prototype board ha…
... to validate the slightly changed PCB layout works OK, and the ...Progress Sprinter resurrectionI've been digging through my HDD once again and found all the docs on the sprinter again (pcb files/schematics/solder plans/bios sources/software etc…
... docs on the sprinter again (pcb files/schematics/solder plans/bios ...PSU differences for the n00bHi all, im the [B]n00b[/B] in question lol Sorry folks in advance for this cos its prolly been asked a million gazillion times! Im currently in po…
... pirate stuff or not legal eagle stuff, im talking genuine shareware ...48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... as long as the PCB tied the upper address line ... from a scrap arcade PCB and fitted them on ... without risking damage to the PCB.
Of course ... CPU, and a proven PCB for all those components really ... any damage so potentially the PCB had this flaw from ...FS: Saga 1 Emperor keyboard add-onDear all, I've got a Saga 1 Emperor keyboard add-on for ZX Spectrum for sale. It's on [url=http://cgi.ebay.nl/290467514496]eBay[/url]. It has 67 ful…
... and the base, containing the PCB, is bolted to the bottom ...Silver speccy on the inside, you know what it is ?I was looking at one of my 48k speccys it has a label underneath with the serial printed on it and signed and dated, there is no permanent serial num…
... is stepped inside! under the PCB (which is an issue 3 ... the solder side of the pcb shorting on the silver as ... USA market ?
the pcb is immaculate no dust as ...emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…
... ula+ is only for the harlequin? wont be sold as an ...Splitter & fixer & Kempston joystick interfaceI'm thinking of developing a small interface that combines these three elements: 1. A splitter like the [URL="http://www.worldofspectrum.org/infosee…
... 3x3 cm or 1x1 inch) pcb that can be mounted on ...Two-resistor fix for +3 sound distortionOver at Zonadepruebas, mcleod_ideafix has done a circuit analysis of our favorite distorted sound output: the issue 1 +3 AY chip sound output, and fr…
... the solder side of the PCB). And it's much easier ... the back side of the PCB.
Here are the ...MicroSource caseHi Guys, Do any of you own a Currah ?Source Assember/Forth/Debugger unit? If so, what case is the PCB packaged in? I ask, because mine is a cased …
... so, what case is the PCB packaged in?
I ...broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…
... 48K is sitting inside small PCB on top of main board ... more chips on that small PCB.
what should be ...Error in the Schematics.Hi, i have been looking at a Speccy 48 PCB, and have figured out that all the Speccy schematics in the archive up to and including Rev 4a, contain an…
... looking at a Speccy 48 PCB, and have figured out that ...Looking for dead SpectrumsI'm looking for ZX Spectrum PCB's not canibalized. My intention is to improve my repairing skills and bring as much of them to life as I can. I'm fro…
I'm looking for ZX Spectrum PCB's not canibalized. My intention is to improve my repairing skills and bring as much of them to life as I can. I'm from Spain.
Thanks!ZX Spectrum 48K,issue two - can't get it repairedI have an issue 2, which has some weird very small PCB hanging over the Z80. Some wire go to various places on the big PCB, two go to connections 36 …
... has some weird very small PCB hanging over the Z80. Some ... various places on the big PCB, two go to connections 36 ...Z80 Edge Connectors - ProjectsHello there my fellow Spectrum-mites I am looking to source a few of these connectors - while I could just rework some old ISA socket for proto's I …
... designs I do (either in Eagle or Protel/Altium) for every ...Question about QL composite modI am servicing my two QL machines (capacitor replacement, pcb and plastics cleaning, microdrives head cleaning, 7805 replacement etc). I already fin…
... two QL machines (capacitor replacement, pcb and plastics cleaning, microdrives head ...Cheetah ? Switchable Joystick InterfaceI have come across a switchable joystick interface which does not appear to be in the Archive. Unfortunately, there is nothing to indicate the maker…
... the maker - even on the PCB. The box looks similar to ...
