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PSU queryHi all, just one quick question. Are Spectrum PSU's compatible with ZX81's? I've just bought an '81 off of Ebay, which was sold as "working, but the …
... does. Both PSU's are 9 volt, so they may be compatible ... -
ZX Spectrum TowerHi all, i am working on a ZX Spectrum 48K build in a PC tower case. Is there anyone who did it before? I have some questions duo the PSU. I have to g…
... to go from 12 Volt DC to 9 Volt DC. I am thinking ... -
Spectrum PSU 9V adapter repair - noob questionHello all, One of the PSU I got given has a bit of a dodgy repair (See pic), could some kind soul please advise on how best to repair it properly, a…
... ]http://www.livewiredesign.co.uk/9-volt.png[/IMG] -
Silly question I know..Just started checking my old computers and started with the ac/dc power adaptors. The 9 volt output is showing 12 to 13 volts The 12 volt output is…
... power adaptors.
The 9 volt output is showing 12 to ... volts
The 12 volt output is showing 13 to ... -
Getting a DISCiPLE/+D to work on a +2A/+3?Does anyone know how compatible the two interfaces could be made with the +2A/+3? I remember that there were a couple of POKEs that could get a +D t…
... ?s mates have omitted the 9-volt
output (pin 4 lower ... the chips), and the 12 volt line on pin 21 (upper ... pack and back through the 9 volt line,
eventually killing your ... /> supply one with the 12 volt track cut. It then won ... -
Which expansions can I attach to a +2A?I have several peripherals that I would like to connect to a +2A: an Interface 1 with Microdrive, a +D disk interface and kempston joystick interface…
... devices that run off the 9 volt source from the Speccy will ... -
Should +2's Be left turned on to save games?Hi, Forgive me for asking you guy's a daft question but, I was just wondering what you think about leaving a Spectrum +2 turned on all the time. The …
... /> You wouldn't need the 9 volt regulator, the normal Speccy PSU ... -
Real SpecciesI know I should probably put this in the Wanted or Hardware forums, but because of my uncertainty, I'm posting it in the Chit-Chat. This is for all …
... />
Or get a new 9 volt wall wart - you can get ... -
New Spectrum owner - Newbie questionsHi, I just got my first Spectrum in the post today +2a) and I'm looking for some advice on a couple of things: Firstly I'm not the biggest fan of j…
... the ROM Switching part and 9 Volt connection, but these interfaces needs ... -
New Spectrum owner - Newbie questionsHi, I just got my first Spectrum in the post today +2a) and I'm looking for some advice on a couple of things: Firstly I'm not the biggest fan of j…
... the ROM Switching part and 9 Volt connection, but these interfaces needs ... -
48k + Power supplyHi, Anyone know where I can get a replacement PSU for the 48k Plus? Nothing on Ebay at the minute. Looks like the end is Imminent for my one! Tha…
... /> the Specky 48 has a 9 volt 1.5 amp in, this ... theres another filter for the +9 in. -
Easy storage device.Hi all, I am fed up with unreliable tape / wav loading on my +2b so would really like another way of loading games. I know nothing at all about how …
... 's are this:
9 volt line was deleted (pin L4 ... and MOTOR ON
-5 volt line deleted
RESET added ... -
Spectrum 48K with a thyristor PSU possible?Is it posssible to use a Spectrum 48K with a thyristor switched PSU? I have a PSU with a thyristor, 4 diodes, one electrolyt capacitor, some resistor…
[QUOTE=-Micky;427736]Oh, I forgot to list the transformator. Micky[/QUOTE]
In this case you can set it to 9 Volt and connect to the 48K.
This "thyristor" is one adjustable voltage regulator chip like the LM317T. -
Spectrum 48K with a thyristor PSU possible?Is it posssible to use a Spectrum 48K with a thyristor switched PSU? I have a PSU with a thyristor, 4 diodes, one electrolyt capacitor, some resistor…
[QUOTE=Gods;427793]In this case you can set it to 9 Volt and connect to the 48K.
This "thyristor" is one adjustable voltage regulator chip like the LM317T.[/QUOTE]The thyristor is a SO817MH.
Micky -
Spectrum 48K with a thyristor PSU possible?Is it posssible to use a Spectrum 48K with a thyristor switched PSU? I have a PSU with a thyristor, 4 diodes, one electrolyt capacitor, some resistor…
[QUOTE=Gods;427793]In this case you can set it to 9 Volt and connect to the 48K.[/QUOTE] But note that the Spectrum connector has unusual polarity. -
New speccy modelThe 48k toastrack ;) [img]http://alistairtesting.no-ip.org/48k-toastrack.jpg[/img]
... involving buying a 2 amp 9 volt regulator... wouldn't it be ... -
Where can I get the +d PCB files?Where can I get the +d PCB files? I mean this one: [url]http://www.worldofspectrum.org/NotThePlusD[/url] Micky
Why did they not use the +5 volts from the Spectrum edge connector? Instead the 9 volt from the Spectrum and a 7805 and some capacitors.
Micky -
ZX Spectrum TowerHi all, i am working on a ZX Spectrum 48K build in a PC tower case. Is there anyone who did it before? I have some questions duo the PSU. I have to g…
... made the 12 Volt DC directly to the 9 Volt dc input. It ... -
ZX Spectrum TowerHi all, i am working on a ZX Spectrum 48K build in a PC tower case. Is there anyone who did it before? I have some questions duo the PSU. I have to g…
... made the 12 Volt DC directly to the 9 Volt dc input. It ... -
Need license to use music equipment nowAll my upcoming gigs that are in/on council property now require that I pay to get a license to use my equipment. Otherwise I can't perform. :( To …
... rates (especially for things like 9 volt power supplies which will be ... -
Spectrum 48K help neededI hav got an old Specrtum 48K issue 3. When I plug-in power connector it doesn't show the home screen (c) Sinclair.... From about 50 times trying to …
... to 2 amps
9 volt 2 amp plug-packs are ... -
ZX Spectrum power supplyHi, I'm looking for a small lightweight power supply that would be a perfect substitute for the original, it's meant for a video patched zx spectrum…
...
You need a 9 volt 2 amp plug-pack with ... ?pt=UK_Computing_LaptopAccessories_PowerSupplies&hash=item19d2413ca8]9 volt 2 amp ?3.50 Including ... -
128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... a 7805 regulator and a 9 volt battery now.
Tomorrow ... mp4 player is under 5 volt max, so I'll see ... -
128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... the 7805 regulators and the 9 volt battery.
It's time ... -
PlusD mini - production startedI'm developing a PlusD clone, with some features stripped to make it very affordable. The real PlusD and German clone have an 7805 regulator, but I …
... is taken from the Spectrum 9 volt line with
internal regulation ... -
Yet More Scottie UK Auctions.Still clearing my retro collection many items must go. Now selling games and in a few days I'll list some computers to. For now I have. [URL="http…
Beta Disk MicroP 3.5 Disk Drive DIN Connectors signalsHello, I own a Beta Disk with an 3,5" Disk Drive from MP (MicroP) which has two DIN Connectors. One is a DIN Connector with 5 Pins, the other a DI…
Silly question I know..Just started checking my old computers and started with the ac/dc power adaptors. The 9 volt output is showing 12 to 13 volts The 12 volt output is…
The "9 volt" original Sinclair ZX Spectrum mains ...