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PSU Output cableIve got so many duff 48k psu's knocking around that I think its time to get them sorted, 90% of them have bad output cables, a break somewhere along …
... got so many duff 48k psu's knocking around that I ... -
PSU Overvoltage?Going through a pile of 48k PSU's today, rewiring and fitting new plugs, testing each one as I go I came across one that outputs 14.85v, usually im g…
Going through a pile of 48k PSU's today, rewiring and fitting new plugs, testing each one as I go I came across one that outputs 14.85v, usually im getting around the 13v mark but this seems quite high, should I be worried or is it ok? -
12v in a Spectrum +2My Speccy 128 +2 requires a 9v 2.1a PSU, all my 9v PSU's are much below 2.1 amps :( I do however have a 12v 2amp PSU, if I reverse the polarity so t…
... a 9v 2.1a PSU, all my 9v PSU's are much ... a 12v 2amp PSU, if I reverse the polarity so that negative ... -
Using VAC PSU in DC deviceHaving fixed the dead Issue 3B, I began to wonder about the PSU that came with it. It was pretty obvious what had killed the poor Spectrum as the PSU…
... began to wonder about the PSU that came with it. It ... the poor Spectrum as the PSU supplied 12 VAC. :o
ZX81 + 16k RAM Pack + Original PSU... What's it worth?Hey guys Got my ZX81 this morning its in excellent condition.. [IMG]http://s30.postimg.org/iwetzxku9/IMG_20140818_142443.jpg[/IMG] However, my T…
... a working ZX81 with original PSU & 16k RAM pack actually ...For Sale?? Offers? Spectrum ZX81, PSU & 16k RAMHi all I've got a ZX81, 16k RAM pack & original PSU here I purchased sadly it won't work with my TV and I don't want to hack it apart to make compos…
... , 16k RAM pack & original PSU here I purchased sadly it ...Spectrum & ZX81 PSU Strange VoltagesHi all I've just refurbished my ZX spectrum PSU after i accidently broke one of the wires i soldered the joints to the PCB nicely and all seems to b…
... just refurbished my ZX spectrum PSU after i accidently broke one ... on my multimeter... The speccy PSU is putting out 13.4V ... and my ZX81 PSU is putting out 14.4V ...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 …
... 'm looking for a modern PSU for my Spectrums and my ...Testing a car boot +2 PSUI was lucky to get a +2 PSU recently from a local car boot for a great price. As a hardware novice, I wondered what the risks are from just pluggin…
... lucky to get a +2 PSU recently from a local car ... and testing it. If the PSU is faulty could it damage ... />
Should I open the PSU and have a look inside ...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!+2A PSUHi - I have a faulty PSU for the +2A.. managed to get the light on the speccy to come on with some fiddling of the wire - though wouldn't stay- so i …
Hi - I have a faulty PSU for the +2A.. managed to ...Grey +2 - DOA and no power lightTook a punt on a grey +2 at the weekend to be a spare. It was "untested" although so were all my other +2's which are all fine. Tried to power th…
... one up with my modern PSU and nothing. No power light ... ? Perhaps someone stick the wrong polarity in it or something? Any ...Sinclair QL PSU wantedHello all! :) I recently got hold of a Sinclair QL, but it did not come with the PSU. Since it's a funny +5VDC/15VAC type with a weird connector, I …
... did not come with the PSU. Since it's a funny ... you have a working QL PSU you'd be willing to ...ZX 48K power plugHi! I'm a newbie, this is my first post. I have a ZX Spectrum 48K, which has been lying around for ages. Its psu lacks a plug. The Psu is 9v and 1…
... for ages. Its psu lacks a plug. The Psu is 9v and ... need has to have 'revesed polarity'.
Do any of ...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…
... claim to make?
'Stable PSU, Cooler Speccy and improves display ...+2A PSU ResurrectionHi all. I have a couple of +2A machines and a +3 with PSUs for each but I'm having a problem with one of them. I've replaced the internal glass…
... . I've checked with another PSU and the machine is fine ... so it's definitely the PSU but I don't know ...Swap +2A PSU for a +3 one?Hi there, Is anyone currently using a +3 PSU on their +2A and would swap for my +2A PSU? I hadn't realised I shouldn't be using it to power a +3 s…
... anyone currently using a +3 PSU on their +2A and would ... swap for my +2A PSU? I hadn't realised I ...Weird 128k (toastrack) PSU modificationHi all. I've just picked up a bunch of machines from ebay and the 128 PSU has this weird modification: [img]https://www.dropbox.com/s/hetr2zlp1…
... from ebay and the 128 PSU has this weird modification:
PSU, 2 red, 1 black and ...ZX Spectrum 48k PSU Vs ZX Spectrum 128k PSUHi Guys, A very straightforward and simple question :-). I am buying next days a ZX Spectrum 128k without PSU. I own already a ZX Spectrum 48k and I…
... a ZX Spectrum 128k without PSU. I own already a ZX ... am just wondering if the PSU can be also used on ...+3 PSU fault, can it be repaired?First, i'm no electrical genius/engineer but can solder/de-solder when needed! Powered on my +3 today and the monitor was just flickering/breaking…
... light on it! Checked the PSU voltages first and the +/- 12v ... pins, so I guess the PSU is faulty! Question is, is ...Spectrum 128K (Toastrack) PSUAnybody got a spare original toastrack PSU going spare that they'd like to sell? Cheers
Anybody got a spare original toastrack PSU going spare that they'd like to sell?
Cheers+3 PSU vs +2 PSUI'm referring here to the black +2's :) Now, a closer look shows the differences between the power supplies for these really is: "The 5V line is …
... you can use a +3 PSU with a +2 as its ... meant to use the +2 PSU with the +3.
+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 …
... thing, after 25 years the PSU has gone missing!!
PSU i can buy that will ... with it given it odd psu plug a +2a has?
PSU, do they still work reliably ...General PSU repair guidesNot Speccy related. I'm just looking for a guide as such as to where to begin with a power supply repair. Realise this is a bit of an odd thing to as…
... />
To my mind a PSU is simple (this is not ... 's me done with a PSU! :D
The unit ... ones inside the BBC Micro PSU actually.
There are four ...Voltage/current meterToday I went to my local electronics shop and found this model of voltage and current meter, readily assembled with DC plugs at either ends... :P …
... it only reads if the polarity is reversed to more usual ... +2 with a PS2 slim psu, hence the ~8,6 Volts ...+2A PSU - power transistor substitute?I used a +2A PSU on a newly acquired Speccy for the first time in quite a while earlier, it was causing apparent issues in that starting the tape dec…
I used a +2A PSU on a newly acquired Speccy ... measure the voltages in the PSU by direct measure on the ... testing the silicon in the PSU it appears the power transistor ... found a Cisco 1700 switching PSU which should make an ideal ...spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
All you needed was a PSU that is 9V DC 1.4A or more regulated, -ve centre polarity.spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
... the input of the Spectrum PSU and at the output.
PSU like Fraser said. Be carefull specially with the voltage and polarity ... of the connector. Remember to use a negative centre PSU ...spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
... in the spectrum, not the PSU or the transformer. If you ... spectrum probe to connect his PSU in your spectrum. If now ... PSU and see what happen (remember the considerations about voltage and polarity ...
