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another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…
... Turbo with Paul Farrow's diagnostic rom.
I tested ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... an Interface 2 and a diagnostic cartridge. Now, I don't ... Interface 2 and run a diagnostic program from there. I am ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... who can loan you a diagnostic board that plugs into the ... don't currently have a diagnostic board. But I may be ... -
Testing a +2I recently picked up a non functioning Spectrum +2 Grey (Issue 3 board?), and am just beginning to go through and see what needs to be done to it. I …
... memory function
a. Use diagnostic rom (I use Paul Farrow ... -
Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…
... develop and run a few diagnostic routines that output a value ... -
Retro Gamer 119This issue is out later this week. Thought I'd mention it because in addition to my own 2-page making of Deactivators, which is an ace game and would…
... worked on automated test and diagnostic software for both Spectrum & ... -
New hardware for Spectrum from ShaosI have some ideas for new ZX-peripherals and quickly designed a prototyping board for experiments: [URL=http://nedocon.com/store/speccy/][IMG]http:/…
... test cartridge). I thought about diagnostic software - it's also possible ... -
Wanted: Any ROM slot joystick interfaceCondition irrelevant, just want it for my diagnostic cart as my IF2 recently died
[QUOTE=Macc;727278]Condition irrelevant, just want it for my diagnostic cart as my IF2 recently died[/QUOTE]
Might have a spare one somewhere in my box, I'll have to check -
New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…
... resistor ladder to Winston's diagnostic board LEDs), I have already ... -
Issue 4A black paper, white borderJust had one of these through, nice yellow pcb! Everything but the ULA soldered in. On power up I get black paper, white border and some intermitten…
Plugged in the diagnostic cart, black paper, blue border, ... -
First time capacitor replacementHi, I have an Issue 2 board, that i wish to start with recapping as advised on here, as they look to be all original. (Same with V3 board, but going…
If you fancy a diagnostic board, I've got some PCB's for sale (see my post in the sales section).
About ?15 worth of parts from Farnell will finish it off. Might be worth it if you're repairing more than one machine?
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Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... on bank 0 not the diagnostic rom code but Peras HHD ... -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... companies are transmitting control and diagnostic data over their power lines ... -
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... or schematics on this +3 diagnostic board?
I wouldn't ... -
Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... correctly (which explains why the Diagnostic ROM itself works) and could ... -
Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... ' removed when you run a diagnostic ROM, does not means that ... -
My Spectrum +2, Multiface 128 and Plus D....Here's something that's always bothered me and had me wondering if anyone else experienced the same thing - Back in 1990 or so, when I finally manag…
Sounds plausible Mark, I know my diagnostic board needs to be held or propped level on a couple of my machines otherwise things don't work correctly..
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Very odd problemHmm, loaded up Sanxion on another 48k+ I have here only to find that when it had loaded there were no enemies on screen, furthermore on loading Atic …
... /> I would suggest running a diagnostic as the player sprite in ... -
Weird tv output by spectrum 48kI recently got a spectrum 48k and hooked it up to my tv. After finding channel 36, I get a really weird picture for the spectrum, why is that? Below…
... me it was Winston's diagnostic ROM passing the bit set ... -
Issue 3B suddenly goes black and whiteAnother 3B I have here had a faulty ULA, swapped that out for another and hurrah! Works! New keyboard membrane and composite mod later I load a game…
... not terribly familiar with that diagnostic card, but from reading the ... -
Grey +2 DiedHi all, Thrashing my +2 playing Mugsy last night and it did this... [URL="https://m.flickr.com/photos/83515822@N05/13012551693/lightbox/"]https://m…
... .alioth.net/Projects/Spectrum-Diag/"]diagnostic board[/URL] with an appropriate ... -
IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... he can do a comprehensive diagnostic check on it. It is ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... . That took me into a diagnostic menu when set as per ... -
DIY Issue 1 Internal 32K RAM expansionFollowing on from the information in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40173"]this[/URL] thread, I finally figured this ou…
... looking for one of the diagnostic boards. Are there any more ... -
DIY Issue 1 Internal 32K RAM expansionFollowing on from the information in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40173"]this[/URL] thread, I finally figured this ou…
... looking for one of the diagnostic boards. Are there any more ... -
New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…
... one side, the other useful diagnostic tool is a test ROM ... -
displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …
... a whole new line of diagnostic tools here,
Imagine a ... -
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... />
now I have working diagnostic board ...:) I try to repair ... is stable, when I put diagnostic board and power on speccy ... spare working one, all same diagnostic board don't light any ... speccy and led lights on diagnostic board go crazy :), if led1 ... -
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... hardware section...
The Diagnostic Board (Winston designed) will only ... -
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... replacement for a thorough manual diagnostic :)
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