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+3 PSU fault, can it be repaired?First, i'm no electrical genius/engineer but can solder/de-solder when needed! Powered on my +3 today and the monitor was just flickering/breaking…
... a spare +3 PSU just in case the main one actually ... on the underside of the PCB! Haven't yet re-soldered the PSU socket on the +3 ... itself though (that thing called time and life getting in the ... voltages now and still powers the +3, why it showed +2. ... -
Connecting a 3" CF2 drive to a PC... or anything else, really!This one might well have been done to death - but in an eBay auction I've just won (and the stuff should be winging its way to me already, arriving b…
... just needs to connect all the signals on the 3" drive's 26 pin ... floppy connector to the PC 34 ... you get the power connector right because the 3" drive has the pinout reversed ... to what a 3.5 ... -
Scart Leads for spectrumHi, I was going through my stuff the other day and found I have all the bits for making spectrum scart leads. I was going to ebay them but thought …
... I'd just chip in on the +3 sound fix.
My ... /bcBSoe3dFl4
My +3 after the "guesser" sound fix
https ... -
Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... work on the original 128K (and the +2, naturally). Doesn’t work on the +3/+ ... 2A.
The game exhibits a ... if I walk into the water pit on the first screen. Then ... in a few places on the second screen, notably during ... -
Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... on the original 128K (and the +2, naturally). Doesn’t work on the +3/+ ... 2A.
[/quote]
We're working on a +2a/+3 ... if I walk into the water pit on the first screen. Then ... in a few places on the second screen, notably during ... -
The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
The "official" documentation on this comes from Chapter 26 of the +3 manual:
program on the +3 where this problem does not ... some of the early Mojon Twins games crashed on old model 128s ... -
The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... ;933261"]The "official" documentation on this comes from Chapter 26 of the +3 manual ... going to run your program on the +3 [b]where this problem does ... [i]doesn’t[/i] exist on the +2A/+3, then. I.e. no ... ), doesn’t seem to crash on the 128K. (Although, I haven’t ... -
The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... odd stuff going on in Gandalf on the +3. While bank 5 ... is paged into the top 16K, it reads the ... on writes to port $7FFD. It's about the ... third one that happens after you press ENTER on ... 5 at all. Perhaps the only reason bank 5 ... -
The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... some odd stuff going on in Gandalf on the +3. While bank 5 is ... paged into the top 16K, it reads the ... matter what the banking config is. This all works on a regular ... 128k so the problem won't ... -
Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... haven't noticed it, So the problem was memory, we were ... "]I think so. The location where you store the music and fx ... into upper 16K. the best bugfix is the one that fixes itself ... explain why it would crash on the +3 and not the other models. -
Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... why it would crash on the +3 and not the other models.[/quote]
the game proceeds execution as intended. On a +3, the same area ... is populated with the value $e5 ... -
Dead +3 - Helps!!!!!Okay, just got a +3. It worked fine, apart from two things:- 1) clicking disc not reading discs 2) audio issue I bought a replacement belt. I ca…
... /> Thanks for the tips. The good news is that my +3 is working ... perfectly through my RGB cable. Great picture, and the ... that it seems like the rf output on the +3 is shot. But, I ... />
Having a blast playing the road blasters disc I've ... -
Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
I forgot to ask: did you see snow when running on the +3? I'd expect some might be seen in the score area (the lower 6 rows). Also did you notice an increase in glitching? -
Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... you see snow when running on the +3? I'd expect some might ... />
Well, no snow on a +3, naturally. As for glitching, I ... ’s more or less on par with the 128K. Maybe a little ... more obvious on some screens. But ... -
Dead +3 - Helps!!!!!Okay, just got a +3. It worked fine, apart from two things:- 1) clicking disc not reading discs 2) audio issue I bought a replacement belt. I ca…
You have to do the audio modification to fix the sound on the +3. It can be easily found online. -
Any reason to prefer the 48k version of a game over 128k?Title says all... are there any games for which it makes sense to play the 48k version if there is also a 128k version? To my understanding, the 128k…
... basic runs slower on a 128K machine, but the same program (provided ... 128K mode on a 128K machine than to run the same program ... in 48K mode on the same 128K ... of differential seems to present on the +3 as well, so any kind ... -
Ensure program runs in USR 0 mode?Is there some BASIC that can be used in a program to make sure the the program runs (even on 128k models) in 48k or USR 0 mode? I obviously then wan…
... do it add it to the start of your tap file ... ].
It looks like, on the +3 model only, Usr0x01 doesn't ... reset the BASIC error after setting USR0 ... -
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 …
Roko is the real expert on the Discovery
... cleaning or "de oxidizing" the pins on the 3 removable chips. Sometimes a ... a great help to me on the electrical side..
the on off switch 3) the bridge rectifiers and the PCB . Each ... -
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 …
[quote="harriusherbartio;937210"]Roko is the real expert on the Discovery
I ... cleaning or "de oxidizing" the pins on the 3 removable chips. Sometimes a simple ... /> 2) Empty socket for the 6116 chip
3) The long chip ?
Possible to convert DSK to other image format?Hello, firstly my apologies if this question is not within the right section; I wasn't sure which was best. Please move it if needed! Is it possib…
... that you're right about The Pawn. Uh. Hmm! I must ... which is enhanced with graphics on the +3. Maybe I'm just getting ... ! I'll just go play the tape version then.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…
... 's FDD connector then connect the Kryoflux to your PC's ... -1 and disconnect the 2 pin connector on the board at the back first ... cable for the DDI interface on the Amstrad side, not needed on the +3 side.
128K +3 RepairHi guys, I need some help to diagnose a faulty 128k +3. The unit is completely unresponsive. I had tested the PSU and found odd values in it. …
The LED on the 3" drive glows dimly all the time and comes brighter when the disk is accessed. Do you mean that?Standard File ExtensionsIs there a standard file extension for a 768-byte Spectrum font in the way that .SCR is used for a SCREEN$ file? Aside from the obvious .BIN, that i…
PAW on the +3 used .© for a character set. Though that would be for an 896 byte file with a +3DOS header, rather than a 'raw' font.
Other than that I think .ZXF is a good choice.If Sinclair computers had not been sold...I was just having a random thought. If Sinclair Computers (or the rights to them, not sure how it 'worked' back then) had not been sold to Amstrad…
... the +3 can happily read other formats though.
Final thought on the +3 ... 's 3 inch drive: I think this ... in instead of the 3 , the Speccy +3 would of had the 3.5 floppy drive ...RGB SCART Lead for +3 Spectrum. Picture issues. (Fades to Black, Rolling, Sync Issues)Hi there, I recently ordered a Sinclair Spectrum 128 +2 & +3 RGB Scart Cable (Ean13: 0705693506845) from coolnovelties.co.uk to use my Sinclair Spect…
... to steal power from the RGB blanking pin, which ... current to meet the spec on the +3 without changing R44 on the motherboard. If ... it's connected elsewhere the ... I'm not an expert on the Sony monitors, but I'm ...Tape to +3 disk transferWhen the first basic part was merged from tape, to be saved to disk, and it looked like this: [img]https://i.imgur.com/UQx1hc2.jpg[/img] how di…
... Nifty Lifty on the +3 is that it overwrites all the 128/+3 System Variables ... is only used for the printer buffer on the 48K.
I ... suggest that you split the screen bytes, the ...+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... . It works fine on my mates +3 with the same set-up.
the +3 has 12V (!) on Pin 1, whereas the Toast Rack uses ... video. Likewise, Pin 3 on the +3 is the audio output, while on the Toast Rack it ...Rod-land - struggling to get working on my real +2 (grey machine)Hi Everyone, I've had a week enjoying tinkering with my +2 and there are only a few games I have not managed to play on my +2 that I enjoyed back …
... - mine certainly is on the Amstrad-manufactured machines. On them, I must place ... take note of every capacitor on the machine so that I could ... does not have the in-built diagnostic tests found on the +3 and +2A ...Does Survivisection load & play on a real +2a?Hi All, My apologies, another question.. Would someone with a DivMMC and a +2a be able to confirm whether Survivisection runs and plays on it? …
According to the Settings menu, default keyboard controls ... SymbolShift and E.
On the Next at least, Space does ... expected, to select menu items. On the +3, it doesn't, even when ... the joystick is completely disconnected. I ...+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... connects to 0V/GND. On the +3 it looks like just ... is, connected across the supply rails). On the +3 it looks like these ... on the board where the power comes in (or as near as practical). On the +3 ... , use the Disk Power connector next ...
