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48k Speccy died, resistors getting too hot to touchHi folks, With 2 days to go till an exhibition my trusty dual-boot 48K issue 3b that I made last year has given up the ghost and I'm not sure I ha…
... drawn properly and that the diagnostic (Paul Farrow's) is displaying ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... take a look at your diagnostic tools, thanks! As a quick ... an "extra" rom, usually a diagnostic rom that you can launch ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... seem to be fine. The diagnostic rom works ok, i would ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... to work fine when the diagnostic cartridge is connected, just 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…
... zx-diagnostics or some other diagnostic ROM?
I'd ... -
A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... />
The documentation says: "The Diagnostic Board hardware's original layout ... -
Recently broken links???We all know that most WoS archive files are inaccessible, except for tapes, snapshots and screenshots. However even those started disappearing rec…
Has the WOS diagnostic system failed? Is a cascade failure in progress? Oooo... -
spectrum 48k issue 3b coloured blocksI have pucked up a nice looking plus but when powered on get black or yellow border and random coloured blocks on screen, I have taken keyboard off a…
i have finally removed all lower 16 ram and will fit the new 16k module and re-run the diagnostic rom on it -
SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
the smart card is another has sd card slot and can be used as diagnostic rom -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... with to use as a diagnostic tool for fault repair ..
diagnostic tool -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... this SMART card in a Diagnostic way . All my work with ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... with the Smart Card in diagnostic mode on my earlier test ... -
Using a Mayflash MD USB Adapter with Spectaculator on Windows 10Using a Mayflash MD USB Adapter with Spectaculator on Windows 10 First, plug the Mayflash MD USB Adapter into a USB port and let Windows do it's t…
... .co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx ... .co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx ... -
Frying a 48K ZX Spectrum (revision 4A) with 10 V instead of 5 VHello I got a used zx spectrum. When I opened it up, there was no 5 V positive voltage regulator at the 10 V power inlet. Instead what would be in…
I highly recommend going through the videos in [url="https://www.youtube.com/user/JoulesperCoulomb/videos"]this[/url] YouTube channel. The guy is brilliant. He fixes quite a few dead Spectrums and his diagnostic skills are top notch. -
Frying a 48K ZX Spectrum (revision 4A) with 10 V instead of 5 VHello I got a used zx spectrum. When I opened it up, there was no 5 V positive voltage regulator at the 10 V power inlet. Instead what would be in…
... few dead Spectrums and his diagnostic skills are top notch.[/quote ... -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
Tested some more with the diagnostic rom, If I use the ... -
Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…
... use a purpose designed diagnostic board when testing mine:< ... br /> [b]Diagnostic Board (Winston designed) PCB' ... .org/forums/discussion/45391/diagnostic-board-winston-designed-pcb- ... redesigned version of Winston's diagnostic board[/b]
https ... -
In-game Screen FlickeringHi folks, today while playing 'Beyond the Ice Palace' I noticed strange behavior of my Issue 6a Spectrum+. When I pressed '2' (for UP) + 'O' (for …
... Turbo 80 and ZX Spectrum Diagnostic by Smith/Alford), let them ... -
ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
If it was the ram, should the diagnostic board be able to boot? Also when I remove both roms, I get a similar screen but then with loading bars, thinner than normal, and red/black instead of yellow/blue. -
What causes "The disk has been changed" problem on a +3?I've seen this posted here on this forum and no explanation as to what causes it or any solution that doesn't involve writing a DSK image back to the…
... did the in-built ROM diagnostic test and found my spin ... -
ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... testing the speccy with the diagnostic tool from Brendan. Unfortunately the ... 's when run from a diagnostic cartridge (still trying to figure ... -
HAYLP! Win10 freezes.Randomly after booting. Nearly always when it reaches desktop.
Works like normal in the Repair Mode. Nothing found in diagnostic (Repair Mode) -
48k packed up after cap changeHi all, I'm relatively new to the Sinclair world, my 8-bit repairs in past was lurking in the dark sides of Acorn, Amstrad and Commodore! I've got…
... needs to be working. The diagnostic board is no longer available ... -
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…
... roms, such as the retroleum diagnostic tester and or the 128k ... -
Keyboard reading questionOkay, here's a weird one. I have to elaborate a bit: In the 90s I coded quite a lot of stuff, but I haven't done so in 20 years. There was a hidde…
... the inability to enter the diagnostic mode on an emulated Spectrum ... -
help with issue 3 48k speccy after recap and new tr4 and tr5I have a 48K speccy that was not working. After recapping and replacing TR4 and TR5 it came back to life However after a short while running weird …
help with issue 3 48k speccy after recap and new tr4 and tr5I have a 48K speccy that was not working. After recapping and replacing TR4 and TR5 it came back to life However after a short while running weird …
help with issue 3 48k speccy after recap and new tr4 and tr5I have a 48K speccy that was not working. After recapping and replacing TR4 and TR5 it came back to life However after a short while running weird …
... Retroleum has a built in diagnostic rom. You can flash it ...Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... again with the SMART Card diagnostic test and it reports IC11 ...Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... just the ROM faulty, the diagnostic would not find RAM faults ...
