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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…
... add a (Schottky?) diode to prevent reverse-polarity mishaps. And of course ... -
Jiiira's Sparrow LITEHi All, Just for info .. :) big eprom, cheap 32KB ram and etc. i don't know specification .. :) https://youtu.be/NbI7E1aebrM modern speccy .. …
... .
* Is that a diode for reverse polarity protection? (near the DC ... -
Modifying Commodore datacorder's for Speccy use. Is it possible?Just wondering if it's possible to modify a Commodore datacorder for use with the Speccy, or if anyone has. My assumption is the output and input on …
... have some form of reverse polarity protection with a fuse or diode. -
What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... /or a single poxy 1A diode on the 9V input :p ... in vehicles :)).
The diode, I agree with. At the ... cars etc having the other polarity. With some devices, part of ... manufacturers to have a particular polarity is due to the way ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... can get wrong is the diode polarity, and well you solved that ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... /> * Polarity protection on the DC input. For example a (Schottky?) diode in ... -
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)…
[quote="spider;922215"]Interestingly said Atmos does *not* fry immediately if you do have it wrong. You can probably guess how I know that.[/quote]
There’s probably a diode that protects it from reverse polarity. -
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)…
... ’s probably a diode that protects it from reverse polarity.[/quote]
diode, and i simply don't ... -
ZX Spectrum keyboards : all and everything about them and how can the Speccy keyboard be improved? This discussion can include of all the main types of Spectrum keyboard from the past (inc addon / aftermarket) , their strengths and weaknesses , …
... unsoldering things to check the diode polarity. This is what I was ... -
Features that never made it into the SpectrumAlthough kind of a Hardware question (a kind moderator might want to move it, I was 50/50 on where to post it, I don't mind) , I was thinking about t…
... diode added to the power supply socket area, to prevent 'reverse polarity ... the 'other way around' for polarity. I know you could say ... wrong adaptor was used, this diode in mass purchase (1p or ... -
Features that never made it into the SpectrumAlthough kind of a Hardware question (a kind moderator might want to move it, I was 50/50 on where to post it, I don't mind) , I was thinking about t…
... connectors did use the same polarity as the Speccy. The reason ... .
Mind you a diode would of gone a long ... -
Bit of fun - one change onlyI also posted this on another marque's forum (for their products) to see. Its just a bit of fun really. OK, if you could of made one change to a S…
... should have used a diode for reverse polarity protection.
ZX80 ... -
Power supply voltage regulator circuitRelating to [url="https://www.worldofspectrum.org/forums/discussion/56142/"]this topic[/url] I have managed to acquire this little accessory, which I…
... some connections (and perhaps that diode polarity reversed?). Like Mark said, used ... -
spectrum48k power supply?Hello, I live in the U.S. and I need to get a power adapter for the spectrum 48k comparable to the original. I needed to know all the specifications…
... it is of negative center polarity, the watts??, any output frequency ... -
blew up my 128i did it - damn. i accidentally reverted the polarity of the power power supply, so ended up with a blown 5v stabilizer, which i replaced, but there …
... - damn. i accidentally reverted the polarity of the power power supply ... -
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 …
... what is the voltage and polarity that the TS2068 PSu has ... -
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
... for TZX files that are polarity sensitive. This includes
Basil ... -
Sinclair FTV1 - help!I want to try out a Sinclair FTV1 I've just bought. Can anyone tell me the polarity that I need to use when using a mains adaptor? (I understand tha…
... . Can anyone tell me the polarity that I need to use ... -
Commodore 16 (yuk!) help neededJust got hold of a whole bunch of retro computers. Slowly working through them, fixing, canibalising, dumping etc. does anyone know what power suppl…
... i knew the voltage and polarity etc. Any help appreciated but ... -
XLR-8 full demo now available as CSWWell he's gone and done it. Woody is officially the king :) We now have a copy of Manic Miner protected by XLR-8 as a CSW if anyone wants to pick at …
... ? He's even fixed a polarity bug in the tape routines ... -
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 ... -
Using a +3 power supply to power a CPC.Hi there, I'm going to try and power a CPC6128 using a +3 power supply. The +3 supplies 12V DC 0.2A and 5V DC 2A, the CPC6128 needs 12V DC 0.4A and …
... by adding a 1N5400 Rectifier Diode (3A) to the two lines ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... .8V, 2.1 Amps, -ve polarity (original +2 grey power supply ... -
Is this advisble for batteries?You know how you shouldn't leave batteries in any portable (or non-portable) item, such as an mp3 player, a digital camera etc, if you're not going t…
... mate reckons), since the order (polarity) of the battery(s) is ... -
+3 external floppyI'd like to connect 3,5" PC floppy drive (NEC) to ZX Spectrum +3 (with diode for RDY). Here are questions: 1) It seems the PC floppy uses just +5V, …
... ) to ZX Spectrum +3 (with diode for RDY). Here are questions ... -
wanna see if my +2 works... but I have a problem with power supply unit. Note: English is not my native language so forgive my mistakes. At one time it stoped working, aft…
... that one of diodes in diode bridge has gone in flames ... -
TZX 1.20 block 0x18 questionHi All I am in touch with G?nter Woigk the author of Zxsp emulator for mac os X and we both wondering something about block 0x18 (Sorry if that ques…
... 0x0A to indicate CSW datas polarity (as it is in the ... we know the CSW datas polarity ? Should TZX file have block ... -
ZX Spectrum 128+ problemsHello!I recently purchased and got myself a spectrum 128+ from ebay.The item did not have an original power supply so i got a power supply of 9volts …
... of 9volts 1,85A and polarity -ve.
I connected ... was not sure of the polarity so i may have gotten ... wrong and connected it with + polarity.
However this only ... after i used the -ve polarity the spectrum heatsink works and ... -
Mb02+ideAs I wrote in the hardware forum there will be a small number of a redesigned MB02+IDE (nearly the original MB02+ including IDE interface also for CF…
... design)
8. fast Clamping diode (600 W) safes chips against ... -
+2 power supply on standard SpecciesHi! I have a few 48K speccies, and I run them using a shitty chinese multi-voltage power supply. I've heard some horror stories of that power suppli…
... . Is the same voltage and polarity, but it gives more amperage ...
