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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…
... help 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 ... -
Modern replacement PSU for +3This has probably been beaten to death in earlier threads.. but are there modern sized replacement PSUs for +3 available? My quick search did not res…
... .. but are there modern sized replacement PSUs for +3 available? My ... -
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…
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?
Thanx in advance! -
my dodgy speccys.hi people, i was wondering if i could engage some opinions / thoughts / ideas of anyone, regarding my current "fixing up" of my speccys, since you s…
... fault back to the voltage regulator but couldn't get a ... , so ended up getting a replacement PSU thanks to Mr. Alchemist Research ... -
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…
... ) directly from an external psu. Not the most versatile ... br /> 2) Replace +5V regulator with a low drop version ... /> 3) Replace +5V regulator with a switching replacement (see Recom, Tracopower, ....). ... of course you need a psu + regulator that can handle the ... -
Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... and one with a modern replacement module in err, place ... an unregulated (or regulated) PSU that outputs between 8V and ... heatsink for the 7805 voltage regulator getting rather hotter than ... the current rating of the replacement PSU should be equal or greater ... -
What % of WOSSERS use "old school" tape loading when playing their Speccy games.My guess is .000000001% ( but I might be slightly out on this! ) Do people still enjoy doing it "the old way"?
... one 7812 three terminal voltage regulator chip (for the +12V supply ... design. It uses a uA723 regulator chip (in a 14 pin ... are electrical safety of the replacement PSU. And that most devices these ... protection against a dodgy external PSU.
[b][i] ... -
ahem!.. could I have a minute of everyones time please :)ok... here's the thing. I'm looking into sourcing some spare IC's for the whole range of Spectrums - mainly memory, as that's probably the weakest l…
... spares / a complete set of replacement memory ICs etc.
c) any other stuff, like replacement PSU / Ear/Mic sockets
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…
Hi,
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!
Thanks :smile:Recapping parts list needed for +2a power supplyHello I've recently acquired a +2a power supply. It works, but given the age I'd like to do some preventative maintenance and refurbish it. Does a…
... it. Does anyone have a replacement parts list for recapping and ... ATX power supply as a replacement PSU for the +2a/+3 - or ...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 …
I'll take your word for it then, and give it a try. less voltage won;t hurt. Anyway I think I found a replacement PSU that I will pick up soon, but in the meantime I will try the speccy PSU I have.
Thanks!+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. …
... problem with my +3's psu. I spent ages looking for ... went and got a replacment PSU just so I could get ... to go looking for a replacement PSU try good old Ebay or ... for sale.
The PSU off a +2a (the black ...$350 for a ZX Spectrum???While doing my bi-daily check for a Spectrum 48k+ at an affordable price I noticed this one: [url]http://cgi.ebay.com/Sinclair-ZX-Spectrum-48k_W0QQi…
Maybe I should offer a bargain one for only $250 -- needs replacement PSU, video lead, manual, curcuit board, chips, keyboard and case. :lol:+3 broken driveHi, I bought a +3 from E-bay, but the drive doesn't work :( I am not so familiar with Speccys, I know how to program them, but this is the first I'…
... turned out the PSU was FUBAR. Got a replacement PSU and hey presto ... voltages are present on your PSU. The info is in the ...Spectrum +2 power supply - voltages on each pin..?My +2 suddenly stopped working yesterday. It was working fine earlier in the day and now the power light will not go on, nor will the tape drive and …
... can just pick up a replacement PSU. Thanks again.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…
... where I can get a replacement PSU for the 48k Plus? Nothing ... />
I have the second PSU listed and it work great ...QL in bits from car boot saleI was at the car boot sale today, and I bought the following for ?40: * Spectrum+ * Tape recorder * An external Microdrive (no Interface 1 unfortuna…
... />
Aside from the PSU, regulator and MDV2 ribbon, does it ...Issue 2 crashes after about 30 minsHi Guys, I have an Issue 2 zx spectrum that seems to get graphic corruption after about half hour of playing, then finally falls over and crashes. …
... details of a decent Spectrum PSU?[/QUOTE]I would (having built ... am currently building a prototype replacement PSU for Memotech MTX computers (as ... to build their own Spectrum PSU, shout out and I will ...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…
... any damage if a ZX81 PSU was connected to the EAR ... block DC.
The replacement PSU - I think it is unlikely ... post the specs on the replacement PSU.
Oh, and to ...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)…
... />
For a replacement PSU, the things to look for ... output voltage of the PSU should be a nominal ... output of an unregulated PSU when it's not ... ZX Spectrum, the actual PSU output voltage should however ... have an improved internal PSU circuit, as do some ...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 …
... ).
But the replacement switching regulator will have to be mounted ... should consider using a switching regulator that is also rated at ...+2a PSU adviceHi all, With my +2 being a bit of a diva I am thinking about getting my +2a recapped so I can use it for the odd game the +2 does not like, there …
I use one of the Cisco supplies. They’re cheap and work great. Details here:
https://spectrumforeveryone.com/technical/replacement-psu-2a-3-machines/+2a PSU adviceHi all, With my +2 being a bit of a diva I am thinking about getting my +2a recapped so I can use it for the odd game the +2 does not like, there …
There is also one sold here, although it doesn’t contain the -12V line.
https://www.bytedelight.com/?product=brand-new-modern-switching-5v12v-worldwide-plug-replacement-psu-for-zx-spectrum-2a-2b-3+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…
... . I have replaced the old PSU with a new one that ... instructions https://spectrumforeveryone.com/technical/replacement-psu-2a-3-machines/), as well ...Recapping parts list needed for +2a power supplyHello I've recently acquired a +2a power supply. It works, but given the age I'd like to do some preventative maintenance and refurbish it. Does a…
... />
https://spectrumforeveryone.com/technical/replacement-psu-2a-3-machines/
Voltage regulator replacement?I have an 48K issue 3B that has (for unknown reasons) had one of the legs on the voltage regulator broken off. It looks like a simple replacement job…
... the voltage regulator broken off. It looks like a simple replacement job ... could do.
The regulator is marked:-
[code]T ...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…
... word on a PSU upgrade (rather than just a replacement) for 48k ... />
Using an AT/ATX PSU and regulating the 12v line ... or bypassing the Speccy's regulator and using the 5v line ... />
Purchasing a beefy 9v PSU (2 or 3A) and using ...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 …
... and polarity that the TS2068 PSu has. My unit has no ... PSU, and I was expecting to ... ;25V?
Any easy replacement or am I stuck?+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 ... D1046 regulator (i think it is a regulator).
The psu outputs ...+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 ... it. Looks like a voltage regulator. Has anyone got one of ...
