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Repair options for my own dear old Spectrum 48k?Hello all, This is my first post to this wonderful forum, which is part of a truly great website! My name is Arnold, and I live in Utrecht, The Nethe…
... work on an educational project for children about the introduction of ... , eighties and early nineties. For this project I would like ... making use of an excellent repair guide from Ian Worsley at [url ... br />
Thanks very much for your help!
( ... -
Z88 User Guide for downloadI dunno if this has been posted before, but here's the user guide for the Z88: [URL]http://www.gjelberg.no/files/z88_UserGuide_v1.pdf[/URL]
I dunno if this has been posted before, but here's the user guide for the Z88:
[URL]http://www.gjelberg.no/files/z88_UserGuide_v1.pdf[/URL] -
Test / comments wanted: new composite video output for +2A/+3I've been fiddling with the composite video mods for +2A and +3... with no luck. Because neither desings in [url=http://www.secarica.ro/html/zx_zone.…
... with the composite video mods for +2A and +3... with no luck ... mod. "Standard" composite video mods for +2A/+3 needs +12v, but mine ... 430 and 510 ohm values for R1 and R2, but I ... -
Programming Guide for esxdosHas anyone produced a developer's guide for esxdos (0.8)? I'm interested in making my own "dot" commands and possibly extending BASIC via esxdos (if …
... anyone produced a developer's guide for esxdos (0.8)?
I ... -
Spectrum 48k - Many ProblemsHi, I'm new to the boards and to owning a Spectrum, and sadly, it doesn't work properly. I'd been using an emulator for a while but I decided I'd lik…
... d been using an emulator for a while but I ... I've looked in the repair guide for a solution but I have ... think it had a solution for my problem anyway, unless ... as its the same frequncey for my other game systems) ... this piticular Spectrum beyond repair? Thanks! -
Wanted: RGB to RCA for +2AI bought a +2A that, according to the seller, might have a problem with the modulator. When it arrives, I would like to try using the RGB output. The…
I bought a +2A that, according to the seller, ... with DScaler.
For the +2A I need something from RGB ... the same type of cable for my grey +2 and it ... -
ROM versions for +2A/+2B/+3Exist any other original versions of +2A/+3 roms than this ? [url]http://www.zxspectrum.it/_P3.htm[/url] Where is used v4.0 and where v4.1 ? ZX Spec…
... other original versions of +2A/+3 roms than this ?
2A/B machines = contain only ... v4.0 ? In ZX128+2A/B is used only nev ... english ?
Support +2A/B/+3 rom numeric KEYPAD ... br />
Exist any way for detect +3 rom version 4 ... -
Shadow of the Unicorn loader for +2A / +3hi, i have tried to load SotU with the [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0023000"]RAM loader from Fraser Ross[/url], which is l…
... loader uses ram page #4 for rom, and ram page #4 ... should be contended on the +2A/+3, to my and [url ... load SotU on a real +2A/+3 using Ross' loader?
2A/+3 is [in]correct?
PS/2 Keyboard for +2A/+2B/+3?Hi everyone. I know there are several options (both DIY and off-the-shelf) to add PS/2 keyboard support to original models (and right up to the +2), …
... USB keyboard support to the +2A/+2B/+3?
... to make room for, of all things, space for my children! ... this is fine for consoles, but no good for all-in-one ... Spectrum, CPC, Atari etc. For most I've found PS ... a basic KVM switch, but for the +3 it doesn' ...Recapping parts list needed for +2a power supplyHello I've recently acquired a +2a power supply. It works, but given the age I'd like to do some preventative maintenance and refurbish it. Does a…
... /> I've recently acquired a +2a power supply. It works, but ... have a replacement parts list for recapping and any other preventative ... supply as a replacement PSU for the +2a/+3 - or are they ...Scart lead for +2aDoes anyone know where I might buy a lead to connect my +2a to a scart TV?
Does anyone know where I might buy a lead to connect my +2a to a scart TV?How/Can I load an emulator for my PS2?Hi there, I'm a complete novice when it comes to emulators/downloading etc. I tried to read the beginners guide for emulators, but the link was corr…
... tried to read the beginners guide for emulators, but the link was ... noticed there was an emulator for the PS1 - it won't ... access this link right now for some reason, so I was ...+3 Disk Drive for +2AWill the 3" FDD Drive featured on the +3 work on the +2A if I was able to install it correctly?
Will the 3" FDD Drive featured on the +3 work on the +2A if I was able to install it correctly?+2 gray external sound source socketHello I'm repairing an old +2 grey that was given to me, it was in a terrible state (damaged and in pieces). I've managed to repair the board using …
... />
I've managed to repair the board using some memory ... were stored in a pigsty for years. Unfortunately the datacorder's ... grey i have as a guide for the standard wires but i ... provide a link or schematics for external sound source sockets installation ...Spectrum games for saleHi, A mate of mine is flogging a bunch of Spectrum games on eBay. He asked me if would post about them here (he's not registered here). The items ar…
... are bidding on 17 games for the Spectrum. All games ... Elite published by Firebird for the Sinclair ZX Spectrum.
guide for the Spectrum+ computer, Flight ... level and the Spectrum+ user guide companion cassette.
...Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... I understood, these transistors are for creating +12V and -12V ... regular PC power supply for the Sinclair and discard ... wonder, because ZTX650 is for 2A, and some of the ... substitutes listed are for smaller current (i.e ... . BC489 for 0,5A) would 0 ...Schematics for grey +2 wantedI would like to have the schematics for the grey +2. Unfortunately, I can't find any on this site. The closest I get is a combined schematic for +2…
I would like to have the schematics for the grey +2.
Unfortunately, I can't find any on this site.
The closest I get is a combined schematic for +2a/+3.
Can anyone help ?+2A keyboard - different matrix effectMy friend test keyboard on ZX128+3, ZX128+2A, ZX128+2B and matrix effect (multikeys combination with mirroring) work incorrect (different as on origi…
... keyboard on ZX128+3, ZX128+2A, ZX128+2B and matrix effect ... ZX48/128/+2). Please test +2A/+3 keyboard with this often ... list of problematic keys combinations for +2A/+3.
load this ... tester (portdemo.tap) on yout +2A/+3 and test this keys ...Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …
... just sent off the order for the printed circuit boards, so ... 't remember what I paid for the components! They've been ... in my workshop gathering dust for months now hehXmas / NY present for all ZX UsersHi there, wasn't sure where this should go, but this is a couple of years "work" during free time while not in the office. This is a package of 480 o…
... are ALL fixed for +2a/+3 and about 95% for all speccy 128K ... . The ones tagged (Fixed) are for all speccies whereas the ones ... tagged (Fixed+2a+3) will still not work ... +2 machines.
Good for all you divIDE users?????
Question about 7805 regulatorOne of my common practices when I service a ZX machine, is to replace the electrolytic caps as well as the 7805 regulator and some times the ztx650 t…
... 78S05 regulator which is a 2A regulator. That got me ... long ago.
For replacements I used to use ... a 1.5A regulator, for all of my machines.
As for the QL machine I found ... in a service guide...
"78S05 2A regulator can be ...Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…
Does anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BASIC) to display them and best practice for timing?My How to find POKEs guide??Hello, all.. My senility is evidently galloping in! A few years ago, I wrote a beginner's guide to finding Multiface POKEs using a utility on the P…
... , I wrote a beginner's guide to finding Multiface POKEs using ... recall who I wrote the guide for!!
Any chance someone ...Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... Slovenian company "Tipro" for Spectrum in the eighties. ... I modded them both for the composite video ... br /> After looking through repair manuals and different blogs, ... all seemed ok, except for the IC7 where the ... t really follow the repair guide further, the CPU ...ZX Spectrum 48K: Screen faults (repair guide)[url]http://www.speccy.org/hardware/reparar-i.html[/url] I hope this brings some help for someone...
[url]http://www.speccy.org/hardware/reparar-i.html[/url]
I hope this brings some help for someone...Wanted! +D disk system for +2AWell, that's it. Up to ?50 for working hardware and set-up software, payment by IMO or bank transfer.
Well, that's it. Up to ?50 for working hardware and set-up software, payment by IMO or bank transfer.Alphacom 32/Timex 2040 PrinterHello again, Having resurrected my ZX Printer, I have now turned to an Alphacom 32 that is not working. However, I am completely in the dark with th…
... find any form of service/repair guide anywhere for it!
When ...+2A/+3 composite modHi, Anyone has experience doing a composite output mod for +2A/+3? (yes.. I also have a working RGB) A while ago I did one based on the instruction…
... doing a composite output mod for +2A/+3? (yes.. I also have ...Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…
... there are config differences for the +2a (which I just ... find easiest to use for most ... better off abandoning the +2a for the purposes of getting ... on m code specifically for +2a +3?? I can' ...
Thanks for reading all that - as always ...Issue 2 Upper Ram, Loading & ResettingI have a 48k Issue 2 Speccy and for the life of me can't track down what the problem is with it. I initially thought that some of the uppe ram ic's w…
... 48k Issue 2 Speccy and for the life of me can ... getting 65535 returned as expected for 48K. Turned the Spectrum off ... the memory according to the repair guide and didn't get 65535 ...
