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Powering a Spectrum with 5v?I live in the States, but I'm originally from England. My original Spectrum is still at my mum's house in the UK, and I was thinking of asking her t…
... the ZX Spectrum, with obvious advantages in respect of
- power ( ... PSU board from a PC power supply and mounted it in the ... generated by the switch mode supply caused to many noise on ... conventional diode bridge and cap supply. I think it will work ... -
ZX Spectrum PSU CasesI have 4 x original UK ZX Spectrum (rubber key type) power supply cases (no innards) and 1 x EU version. Does anyone want them - ?1 each plus postag…
... x original UK ZX Spectrum (rubber key type) power supply cases (no innards ... -
Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …
... this in mind:
For ZX Spectrum 16k/48k/+/128k+ and ... nominal 9V DC unregulated external power supply unit (PSU). So if you ... quite happily from a regulated supply with an output voltage of ... has to provide a 5V supply, you must use a regulated ... -
Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …
... a speccy with a 14v supply. (Melted traces and everything).
ZX Spectrum 16k/48k/+ does not have the improved internal power ... and don't use any power supply that has a on-load ... -
Seen any ebay madness?? post it here !!!What with some high prices fetched on speccy games over the past few days , thought it might be an idea to keep a WOS record of some of the higher fi…
[url]http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-power-supply-/301359518472?pt=UK_VintageComputing_RL&hash=item462a6d5308[/url]
:lol: -
Seen any ebay madness?? post it here !!!What with some high prices fetched on speccy games over the past few days , thought it might be an idea to keep a WOS record of some of the higher fi…
... .ebay.co.uk/itm/Sinclair-ZX-Spectrum-power-supply-/301359518472?pt=UK_VintageComputing_RL& ... -
Pics of your Speccy set-up?Had a look and can't seem to find a thread on this. - Be interesting to see pic(s) of everyone's "go-to" Speccy, the one that they use regulary. I'…
... differences in TVs and power voltages here in the ... is as authentic as any ZX machine.
... (2010 and 2020). The power supply You buy separately and it ... is even easier to power because it uses micro-USB ... power-supplies (like for the ... -
Sinclair ZX Spectrum 128My loving mum has brought me back one of these beauties from a carboot sale but I'm haven a slight problem with it I CAN'T FIND THE ON SWITCH!!!!!…
... the left is the working ZX Spectrum +2 and to ... right is the non-working ZX Spectrum +. I'm hoping ... this strange resin on the power cable:
[URL ... sort of fault with the power supply itself. I'm going to ... my parts for a spare power adapter and see if ... -
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 power supply / adaptor is an unregulated ... as RMS voltage (because the power in a resistor at this ... to the same level of power from a battery) not the ... -
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…
... with the original 0.7A power supply. I know that this has ... .[/QUOTE]
Any unregulated DC power unit with an output voltage ... .5V or a regulated DC supply with an output voltage of ... it could operate a ZX81, ZX Printer and 16k RAM pack ... -
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…
... cable and a ZX Spectrum "1400" 9V 1.4A power supply unit (*).
ZX Spectrum "1400" 9V 1.4A power supply unit when ... have a spare ZX Spectrum "1400" 9V 1.4A power supply unit that ... /> As an example of a power supply you could buy, [URL="http ... -
Favourite Speecy HardwareHi, Just wondering what your favourite piece of Spectrum add-on hardware is/was? How about the Alphacom thermal printer? Or the Currah Speach thin…
... to the Spectrum.
ZX Printer - Awful, noisy, and even ... about it was the improved power supply, that I still use with ... /> Interface 1 - Never used the ZX Net, made occasional use of ... -
New Raspberry PiThere's a new raspberry Pi coming out, faster quad core processor and 1Gb ram ! [url]http://www.bbc.co.uk/news/technology-31088908[/url]
... like buying a ZX Spectrum board, without keyboard, case, power supply and cables. -
The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
... to find I had two ZX Spectrum's rather than one ... /> A question though - the brick power supply for the spectrum, is the ... -
Zx spectrum 48+ help pleaseI have just had a look at my spectrum 48+ and I get this [IMG]http://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-xfa1/v/t34.0-12/10965632_101526175830…
... the negative terminal of the power input (or the heatsink) and ... , I'd power it on and measure the power supply voltages at the ... at [URL="http://zx.zigg.net"]http://zx.zigg.net[/URL].
not working issue 3Hi all, I received this mobo from ebay, after start i have this on screen [img]http://forest.no-ip.org/wos/issue3_01/20150728_135908.jpg[/img] …
... common cause of failure in ZX Spectrums.
Given ... without all of the necessary power supply voltages presented to the ... and each of the three power supply rails. It's quite possible ... developed a short between its power supply rails with them in ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... keyboard and the Opus would power up the whole lot but ... "lost touch" with my Sinclair power supplies as I put/stored ... is now well on the ZX Spectrum "power supply front" . Whether or not ... Discovery teamed up with a ZX Spectrum
Today I ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... "authentic" orientation (in relation to ZX stuff)
I suppose ... read properly David Haywards article "ZX Spectrum 128k to VGA Output ... to improve things like the Power Supply set up . So for each ...PSU replacement for +2a/+3Hi, With the suitable connector does a PC power supply can be used to power a ZX+2a/+3 ? Thanks
... does a PC power supply can be used to power a ZX+2a/+3 ... a ZX Spectrum and is very well protected, cutting all three power ...1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…
... ="Alcoholics Anonymous;836374"]If the zx outputs a '1' do you ... />
As I recall, the power supply always emitted a noticeable buzz ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... interesting . He wrote :the 48k "ZX Spectrum is not necessarily working ... ?"
He continued:-
"The Zx Spectrum is fed by 12V ... you don't need the ZX supply then?
The 7805 inside ... did not need its own power supply.
So some great ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... the different versions of the power supply arrangements ( and all these different ... possible project idea :- cut down ZX Spectrum+2 128 combo idea ...Another option for using a speccy (or other pal system) in NTSC landAnother option for those using the Speccy (or other PAL computers/consoles) in the USA. I picked this up off Ebay for $12, it converts PAL to NTS…
... the composite mod for my ZX Spectrum and when I plug ... the ZX directly into my cheap Magnavox ... bought came with a UK power supply so I just plug it ... it's my converter or ZX.
Thanksvideo quality issue on 48k machine after composite modHello! I just bought an 48k spectrum and did the composite mod. Unfortunately it did not end up as good as i hoped for. The screen after reset looks …
... to do to service a ZX Spectrum 16k, 48k, plus, 128k ... as these use a different power supply system.
The high ... room temperature but inside a ZX Spectrum it is normally a ...I had a go.I haven't written anything in ZX Basic since the 80s, so I thought I'd have a go. Now just to put you in the picture, I am a developer and know sever…
... a HDD. And not just "ZX" BASIC.
Yes, of ... bit overrated, but the 386 power supply started to die, so this ... midnight each day. Oh, and power blips don't affect it ...NTSC Compatibility?Correct me if I'm wrong, but wasn't the Timex 2068 the only NTSC clone built of the ZX Spectrum? And I use clone lightly... From what I underst…
... the following to my 16K ZX Spectrum (going to upgrade to ... a 9V (1.5A) regulated power supply.
Spectrum works great ...Modern PSU: picture improvement?I've recently seen advertised some 'replacement power supplies' for Spectrums for which the claim is made that they may make an improvement in pictur…
I have 2 ZX power supplies and one replacement Sinclair ... I thought was an ok supply and apparently wasn't - a ...Modern PSU: picture improvement?I've recently seen advertised some 'replacement power supplies' for Spectrums for which the claim is made that they may make an improvement in pictur…
... that word (linear). The Sinclair ZX PSUs as used with the ... ZX80, ZX81, ZX Spectrum 16k / 48k / plus / ... term is "conventional smoothed DC power supply". In no way can any ... more modern SMPSU (switch mode power supply unit) technology, you can buy ...Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... on a scanline above, when ZX Spectrum hasn't even output ... characters were sent by the ZX Spectrum!
Which ... thread) is often caused by power supply fluctuations. But here you should ... and in video encoder / ULA supply lines. A suitable coil in ...Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... a scanline above, when ZX Spectrum hasn't even output ... characters were sent by the ZX Spectrum!
Which ... ) is often caused by power supply fluctuations. But here you ... capacitors for the inverter/converter power supply section (see list below).< ...
