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DivMMC EnJOY! I do enjoy!!!!!Hi all! Ok, so I grew up in the UK in the 80?s and convinced my parents to buy a 48k Spectrum ?to help with homework? lol. Well now I am older and ha…
... has now got the correct polarity. ( inner being negative, outer positive ... -
populated Harlequin Rev.D -> Rev.FHi, I like to sell my Harlequin Rev. D board. I modified it to be identical to Rev. F: * switching regulator instead of linear regulator for DC in …
... connector (Rev D has same polarity as at CPU)
* smooth ... -
ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... to output socket with correct polarity.
- Replaced DC input socket ... -
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…
... ? Perhaps someone stick the wrong polarity in it or something? Any ... -
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…
... need has to have 'revesed polarity'.
Do any of ... -
Issue 2 48k Yellow DisplayHi guys. As the title says, I have an issue 2 that's displaying the typical yellow/green colour screen at switch on. The picture is clear and stab…
... good. Installed in the correct polarity.
TR4 TR5 removed, checked ... -
Issue 2 48k Yellow DisplayHi guys. As the title says, I have an issue 2 that's displaying the typical yellow/green colour screen at switch on. The picture is clear and stab…
... good. Installed in the correct polarity.
TR4 TR5 removed, checked ... -
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)…
... confirm which is the correct polarity?
[b]A ... -
No Keyboard after recap - ZX Spectrum 48kGuys I am desperate. I did a recap of the ZX 48k board and now the keyboard is not responding to any keypress :-(. I paid attention to the capacitors…
... paid attention to the capacitors polarity of course and used sometimes ... -
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…
... "a reset switch" or "reverse polarity protection", but after a bit ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... quality one with the right polarity . I am hoping that as ... -
Direct drive LCD screen - looking for information on previous projects people may have attempted.Hi All, My first post, so please forgive and guide if I've posted in the incorrect section. I'm a speccy user from way back in the 80's, but m…
... end when I accidentally reversed polarity on a power supply supplying ... -
Spectrum +2 noobie questionsHi! A few days ago I ordered a Spectrum +2 from ebay thanks to a friend and before it arrives, I wanna be sure I'm ready to use it, so I got a few qu…
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 ...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…
... specially with the voltage and polarity of the connector. Remember to ...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 considerations about voltage and polarity).
If the problem is ...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…
A word of caution - if using your own supply don't mix up the polarity - A CSS poster recently mentioned a blown Speccy because of this...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 …
... input. When you reverted the polarity this destroy the regulator (7805 ...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 …
... :
if you revert the polarity of the power supply, you ...SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…
... />
Machine Voltage Amperage Centre Polarity
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ZX-81 9V ...Stop me from blowing up my original Spectrum 128!I have a Spectrum 128 (not the +2), and I want to play some of those old classic games again. The trouble is this. I still have the original Power Su…
... I had to reverse the polarity too, to make it work ...NTSC ZX Spectrum +2 wanted for USAI live in NY USA and I know nothing about electronics. I'm willing to buy a ZX Spectrum +2 that would be prepared to send a NTSC signal (instead of P…
... more crucial to get the polarity alright, as people has been ... their speccies by getting the polarity wrong. You've been consistently ...NTSC ZX Spectrum +2 wanted for USAI live in NY USA and I know nothing about electronics. I'm willing to buy a ZX Spectrum +2 that would be prepared to send a NTSC signal (instead of P…
... , 1.5A, and center negative polarity at rpelectronics.AMERICAN SPECTRUM FANS?Hi all. I was wondering, who many Spectrum-fans could live in America... I have many addresses in my zx-base, but not many of them belong to Americ…
... 1.5A and center negative polarity.
However this model might ...speccy found, operation rebornI found some time ago a rubber speccy,. I even dont know if is 16 or 48k.. I havent any cable nor ZXpower supply. Can I get one power supply and cab…
... on 9 volts, but the polarity is crucial as you could ...CSW 2Have you been using csw 2 yet? I find the total pulses is sometimes wrong by 256 too short. Also there is a small shift to the right by a few sampl…
... or maketzx gets the initial polarity wrong it would be ... Acorn tapes can have negated polarity. Maybe Atari tapes always have ... /> CSW still gets the initial polarity wrong sometimes. Why not take ... file to the opposite initial polarity. 20 points should be ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... : block length
1 byte: polarity 'N' or 'P'. 'P' meaning ... : block length
1 byte: polarity 'N' or 'P'. 'P' meaning ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... : block length
1 byte: polarity 'N' or 'P'. 'P' meaning ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
One byte to record the polarity of a file is not ... . I don't know why polarity is not recorded in the ... is a problem in recording polarity. Your points 2 and 3 ...
