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PSU polarityHi! I have a speccy+ psu and somewhere there is a loose connection.I suspect the end to the speccy side. I need to cut the wire and put a new socket.…
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I have a speccy+ psu and somewhere there is a ... be opened,to understand the polarity.
I do not have ... -
Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
Be careful with the PSU polarity. Otherwise the LM7805 voltage regulator might explode, see below.
[img]http://www.speccy.pl/forum/index.php?action=dlattach;topic=3029.0;attach=7204;image[/img] -
TS2068 PSU?Just wondering what is the voltage and polarity that the TS2068 PSu has. My unit has no PSU, and I was expecting to either use my Spectrum 12V power …
... is the voltage and polarity that the TS2068 PSu has. My unit ... has no PSU, and I was expecting to ... -
48k PSU UpgradeCan anyone give the definitive word on a PSU upgrade (rather than just a replacement) for 48k machines? I'm thinking of adding at least an IDE inter…
... the definitive word on a PSU upgrade (rather than just a ... />
Using an AT/ATX PSU and regulating the 12v line ... />
Purchasing a beefy 9v PSU (2 or 3A) and using ... 'm paranoid about getting the polarity wrong and making my Speccy ... -
How to connect universal PSU?A fleamarket find! Spectrum+ without PSU. :) I don´t know if it works. I have universal PSU, please confirm which is the correct polarity? [b]A)…
A fleamarket find! Spectrum+ without PSU. :) I don´t know if ... have universal PSU, please confirm which is the correct polarity?
what are exact current values on +2A's PSUI like to know what is written on an original +2A PSU nearby each voltage. I mean the current for +5V, the current for +12V and the current for -12V.…
I like to know what is written on an original +2A PSU nearby each voltage.
I mean the current for +5V, the current for +12V and the current for -12V.
Thank you.
Best wishes,
CristiHumming psuI have just got myself a +2b and the psu is buzzing like mad. It seems to be working fine, though. It arrived this morning and I have had it switched…
... myself a +2b and the psu is buzzing like mad. It ...Spectrum 48K and wrong power supply polarity!!!Hello, I need a help fixing my Spectrum 48K, motherboard issue 4B. Since I'm in Canada, I couldn't use standard spectrum power supply, so I checked a…
... smoke... I think that center polarity was positive, instead of required ...Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…
... /> What connectors does it use, polarity of power plugs etc etc ... need to make the Kompakt PSU compatible (if possible) with a ...What PSU is suitable for +2?if I don?t have the original one, what PSU I?ll need for that?
if I don?t have the original one, what PSU I?ll need for that?+3 psu schematics and partsHi everyone. Does anyone have or knows where to get the +3 psu schematic? I'm trying to repair one but i cant find any info on the parts reference. …
... where to get the +3 psu schematic? I'm trying to ... a regulator).
The psu outputs 12V but not the ...kempston and/or psuhi there, just wondering if anyone had a spare kempston adaptor they wanted to give a good home? i will pay a couple of quid + postage for it, and …
... interested in a +2A / +3 PSU, although i realise the likelyhood ... it atm, and my +2A psu is lost, and so needs ... go chucked out) or the psu, but to no avail. however ...replacement +3 psuok, who would be kind enough to help an idiot build a replacement PSU for the +3 / +2a , from a PC power supply? Guesser has already helped out a gr…
... an idiot build a replacement PSU for the +3 / +2a , from ... i've found a PC PSU and i've gone out ... at the side of the PSU and looks like this helps ... this page about the +3 psu, and i'm finding it ...Can a 48K PSU power a 12K Speccy?Hiya Does anyone know if the 128K speccy (the heatsink one, not a +2 or +3) can run using the same PSU as a 48K rubber keyed jobby? Have been think…
... ) can run using the same PSU as a 48K rubber keyed ... rating on the 128K bundeled PSU is only 400mA higher than ...+3 PsuHi all, Just been digging at the back of my wardrobe, and found a +3 PSU the 12V+ and the 12V- works but not the 5V+ has any one got a diagram for a …
Hi all,
Just been digging at the back of my wardrobe, and found a +3 PSU the 12V+ and the 12V- works but not the 5V+ has any one got a diagram for a +3 PSU please.
TIAspectrum PSU'sI've read contradictory info on which psu(ie amp rating) is for which spectrum. :confused: The models and amp ratings are 1.2A, 1.4, 1.85 and 48k, …
... read contradictory info on which psu(ie amp rating) is for ... (assuming its not the correct psu)?
I have used tghis ...+3 PSU PoorlyI have a +3 that just stopped working. Its the psu thats gone and opening it up discovered a blown fuse. After replacing the fuse it still doesnt wor…
... just stopped working. Its the psu thats gone and opening it ...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 …
... one quick question. Are Spectrum PSU's compatible with ZX81's ... machine if it does. Both PSU's are 9 volt, so ...+2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …
... which is what the sinclair PSU (heatsink 128K 1.85A max ... max output on the grey psu is 2.1A instead of ...3rd party psu's?I'm just curious if there is a new easily available none sinclair psu for a spectrum+ that I could get / use ?
I'm just curious if there is a new easily available none sinclair psu for a spectrum+ that I could get / use ?48K PSU on / off switchI keep meaning to fit one of these into the (mains side) flex once I find a black one to match... [url]http://www.maplin.co.uk/Module.aspx?ModuleNo=…
... (not looked inside a 48k psu for a long long time ... , and I have had a PSU that had something like this ...Sinclair FTV1 - Power supply polarity?I've just dug out my old Sinclair FTV1 pocket telly. Does anyone know the polarity of the power supply requirements, before I plug it in and blow it…
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Does anyone know the polarity of the power supply requirements ... mention anywhere as to the polarity....PSU unit spectrum 128k +2b 6 pinout DINHello everybody! I have spectrum 128k +2B but I don't have the 6 pin PSU and I can't find it anywhere. Can you anyone tell me where can I buy this PS…
... 't have the 6 pin PSU and I can't find ... where can I buy this PSU for this spectrum? Or can ... to convert a normal output psu unit with the same voltage ...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…
... with a thyristor switched PSU? I have a PSU with a thyristor ...grey +2 psu on an original 128?I have a 128 and both +2's.. a / b.. I notice one PSU is the same as the 128 , just grey and the 128 PSU I have is, well I will get it looked at .. i…
I have a 128 and both +2's.. a / b.. I notice one PSU is the same as the 128 , just grey and the 128 PSU I have is, well I will get it looked at .. it's not 100%
anyway, your thoughts are welcome.. thanksHow to fix dc voltage on a 48+ psuAfter dinner, after a womble video out mod on a "new" purchased 48+ , just in the remaining time I tested the voltage of its psu and, surprise surpr…
... tested the voltage of its psu and, surprise surprise, the result ... I tested a +2 grey psu too, and it gave me ... V. I opened the 48 + psu and discovered that there were ...Speccy+2/2A psu difference?Just curious,do speccy+2/2a use the same psu or are they slightly different?.
Just curious,do speccy+2/2a use the same psu or are they slightly different?.zx spectrum+128k PSU problemLast time I bought zx spectrum+128k heat sink, but without PSU. What PSU can I use ? I have also spectrum 128+2 grey model with power supply. Is that…
Last time I bought zx spectrum+128k heat sink, but without PSU.
What PSU can I use ? I have also spectrum 128+2 grey model with power supply. Is that psu fine or not ?128k+ PSUAfter reading an earlier thread I inspected the two PSU's I have for my 48 and 128+, it seems I have the same type, 1.4amp, when the 128 needs 1.85am…
... thread I inspected the two PSU's I have for my ...+2A PSU test helpIs it possible to test a PSU to see if it is dead any other way than plugging into the computer and the light not coming on/no power? I'd like to fi…
... it possible to test a PSU to see if it is ... to find put whether the PSU is in working order, or ...
