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Does anyone still have the same speccie?The survey into the Games of the Year - and the question about what system you were playing 20 years ago - got me thinking. Has anyone on the forum …
... is my original broken +3 but at least I ... /> My first ever ZX Spectrum, one of the last sold ... /> I welcomed my replacement +3 back in 2010 with open ... power supply exploded so I am using my original 1988 PSU ... PDS v2 based serial download +3 Devkit :)
... -
+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
... potential divider driven by the power supply. Whereas the pdf shows the ... have been because the +3 circuit used collector to base ... For the differences between the +2A/+3 sound circuit and the +2B ... -ip.org/public/spectrum/+3sound/"]fixing the +3 sound[/URL] page ... -
2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …
... to composite video adapter (for +2A/+3)[/QUOTE]
I ... Disc clone for all ZX Spectrum models exist :
[img]http ... after each reset/power-on), on ZX128,+2,+2A,+3. This is new ... for FDC controller and external power supply bust be used only for ... -
Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... the testing of a Spectrum. All the Spectrum repair experts normally have ... all voltages, starting with the PSU, the 5V, -5V and 12 ... not always imply that the power supply is faulty. It is always ... you motherboard issue (1,2,3, etc). The mods is described ... -
Which is the most unusual/bizarre peripheral you have for the Spectrum?For me, I think it's the British Micro Grafpad. [url]http://www.worldofspectrum.org/hardware/feat10.html[/url]
... The newest addition to the Spectrum is the internal Kempston-mouse ... />
Connected to my Spectrum is the famous Mb02 diskinterface ... 3,5" floppydrive which fits perfect to the design of the Spectrum ... by an ATX power supply. I got already a Slim PSU but not ... -
Why is the B Disk interface selling for so much on ebay?I often watch unusual interfaces that pop up on ebay, and I noticed that this B Disk interface just went for ?113: [url]http://www.worldofspectrum.or…
... 't work on the +2A/3 machines. Some people say ...
With the +3, get a 3.5" external drive, and ... separate power supply for the B: drive too, the +3 unit ... isn't strong enough to power two drives ... a while, then the +3 PSU gets stressed and you get ... -
ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... continue with the TR8 / TR9 power supply circuit, lets get an idea ... br />
So, keep the "(3*47Ohm inseries) = 150 Ohm between ... />
Using your 12V regulated PSU, connect it to the junction ... , how do you have the Spectrum connected to a display / TV ... -
ZX Spectrum and add-on temperaturesImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about temperatures he measured with a modern to…
... using the 1.4A power
supply (1.2A was fine), because ... with the 1.4A power supply I got 13.3V.< ... it reached -0.5V the Spectrum was freezed... With the ... 7805, it decreased the power consumption by 2 Watts.< ... .jpg[/img]
ULA 5C112E-3
[img ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... all the chips in the spectrum. Cause I can't ... * with *anything* on the power supply lines, actually means that you ... them if the 5v supply remained at 5 volts ... and the +3 PSU certainly can't produce enough power to do ... chips with a damaged +3 PSU but I think you ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... of the PCB next to power cord.. [URL="http://www.deadcoderssociety ... got mine there are different power/wattage versions available.
On +3 PSU:
+5V @ 2A
+12V @ 0.7A ... hack a PC ATX, etc.. Power Supply if you have one to ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... all the chips in the spectrum. Cause I can't see ... and the +3 PSU certainly can't produce enough power to do that ... damage chips with a damaged +3 PSU but I think you vastly ... kind of power supply Spiv was using. He never mentioned "original PSU", not ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... the context of a ZX Spectrum +3, with a short circuit ... area near where the power lead plugs in to ... GND in the PSU. But on the Spectrum circuit board, the ... loss of whichever non-ground supply line was shorted out. ... the 0V/GND in the +3 PSU is earthed (which I ... -
Spectrum +2A PSUI picked up a black +2A without a power supply. Looking on eBay the PSUs seem quite rare. The schematics for the PSU show +/-12 and 5v, would it be …
... /> Replacement power supplies for Sinclair ZX computers including the +2A are not ... .
For the +2A / +2B / +3 computers:-
You only need ... ATX PSU's, Amiga PSU's, various other SMPSU's (switch mode power supply ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... really fragile power supplies in the Spectrum world, not least the power supply on ... 12V to GND on a +3 PCB will somehow put a ... of the wiring from the PSU to the machine in concert ... -
Spectrum Not Responding to Keyboard InputHello, sorry if this thread is not in the correct place, This is my first post and I'm not sure where to post this type of thread. :lol: Anyway, I r…
... PSUs have a 3.5mm mono jack plug.< ... 2A type will run a 48k ZX Spectrum if the DC power ... plug is replaced with a 2.1mm power ... jack sockets (assuming the Spectrum was not powered up ... />
The replacement PSU - I think it is unlikely ... -
Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... but it came without a power supply so I've never ... I've got another working spectrum :D
Everything ... interface blocks the power socket of the spectrum slightly but if ... plug of a +2a or a +3 so I don't ... /o comands from the spectrum then it will just ... -
Fixing/modding my new +3Hi, In december I won an auction for a working +3 with a dead floppy drive, + a Multiface 3, some disks and tapes, for a very low price (I think nob…
... too, fitting a +3 mobo in a +2A case, but certainly ... all my +2 and +2A, and for my CPC464 ... grey +2). So another Spectrum enthusiast is born in ... tape player and the external 3,5" floppy drive directly ... getting rid of the extra power supply...
... -
+2a/b power questionWill a power supply from a +2a/b be sufficiant to run a +3 if no other devices are connected to it? i know its not ideal but its all i can put my ha…
... the internal floppy drive power connector in the +3... No good if ... it may overload the PSU because the +2A supply is only rated to ... supply 12v at 200mA while the +3 PSU is ... rectifier for +12v on the +3 PSU with diodes rated for 1 ... -
Modern day replacement powersupply for ZX 128kHi All Anyone got any links to a modern day replacement powersupply for ZX 128k. I don't mind lobbing off the end and installing my own barrel, just…
... power supply providing 9v with at least 2A will be sufficient to power all Spectrum ... models except the +2A/+3, as long as ... .uk/itm/9V-2A-2000mA-AC-DC-Switching-Adaptor-Power-Supply-Charger-5 ... -
Replacement Rubber FeetAs most of you will know, I already stock the rectangular solid rubber feet for the base of the rubber key ZX Spectrum, ZX81, ZX Power Supply and ZX …
... the rubber key ZX Spectrum, ZX81, ZX Power Supply and ZX Printer. Incidentally ... drop down legs on the Spectrum+
I was ... centre hole - these fit the Spectrum+ and the QL
b ... plug which fit the Spectrum +2, +2A, +2B and +3
I ... -
Were +2A tape decks badly made?I remember as a kid in the early 90s(must of been as I started Secondary School in 1994 and this was before that) maybe even 88 or 89 I used to play …
... power supply as the earlier Sinclair models(9v). The later black cased +2A ... Some early +2A's do have a non-cutdown +3 board, but ... the +2A/B's and +3 use a much larger power supply to supply several ... Crash I think advertising every Spectrum game ever made I think ... -
+2a/b power questionWill a power supply from a +2a/b be sufficiant to run a +3 if no other devices are connected to it? i know its not ideal but its all i can put my ha…
[QUOTE=Twiggy;794800]Would one be able to use a +3 power supply with a +2a?[/QUOTE]
Yes, you can use a +3 PSU with a black +2A :-)
[B][I]Mark[/I][/B] -
Replacement PSU for 128+Hi all! I am getting tired of the old heavy Spectrum 128+ PSU of mine. Could u point me to a modern PSU in ebay that can replace the old brick? Th…
... .uk/itm/9V-2A-2000mA-AC-DC-Switching-Adaptor-Power-Supply-Charger-5 ... /InLine-Switch-Torpedo-Switch-2-3-core-for-Table-lamps-/300448444052 ... a power supply myself and 2A will happily power everything from a 16K Spectrum to ... -
ZX81 Power SupplyI have a ZX81 with the original 0.7A power supply. I know that this has trouble running many add-ons and was seeking advice on a suitable replacement…
... .
I do have a spectrum power supply, is it possible to use ... and a ZX Spectrum "1400" 9V 1.4A power supply unit (*).
power plug off, then solder on a 3.5mm jack ... ][/I]PS other "9V" ZX Spectrum PSU are also suitable, but would ... -
Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…
... this type of PSU)?
The +2A / +2B power supply is not hard ... set with it powering a Spectrum. Report back your results.
On the 'scope, when the Spectrum is connected you should see ... will be greater when a Spectrum is connected and will be ... -
power switch for +2 and + 3It's really annoying these machines don't have a power switch. Not even one on the power brick. Has anyone done a mod or know of anything other than …
... you are talking about black +2A/+2B/+3 computers...
Well ... the PSU to the computers due to the three different power supply levels ... in the lead between the PSU and the computer. Just ensure ... -
AVR ZX Spectrum V2_0Good time! Glad to present my new development - AVR ZX Spectrum V2_0. Sorry, have no english version of this video. [url]http://www.youtube.com/watch…
... that emulates standard Spectrum models (48K, 128K, +2A, +2B/+3) and the Pentagon ... will also need a 5V power supply, PS/2 (Mini-DIN) keyboard ... them as TR-DOS or +3 disks? Does this emulator supports ... -
New Floppy Interface for the +2a/b (black case)Hello everybody! For a long time I wondered about the posibility of adding a FDD to the +2a/b (black). I knew it was possible; All the logic is alre…
... burned fuse on +2a power :) May be getting power from interface is better ... are powering the Spectrum with the original +2 power supply it wont hold ... If you like to power the Amstrad 3' drive from the Spectum ... better if you use a +3 power suppy as they have more ... -
Resurrection of ZX SpectrumHello everyone. I recently emerged from my attic bearing my childrens 128k ZX Spectrum +2 with a bag of games etc. Like many before it hasn't seen…
... " power supply unit that uses a "DC" barrel type plug at the Spectrum ... " PSU that uses a 6 pin DIN connector plug at the Spectrum ... end (+2A or +2B) ?
PSU replacement for +2a/+3Hi, With the suitable connector does a PC power supply can be used to power a ZX+2a/+3 ? Thanks
... a PC power supply can be used to power a ZX+2a/+3 ?
Spectrum and is very well protected, cutting all three power lines ...
