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UPS power supply noise (odd one)I've got an APC Smart-UPS 700 Had it for about three years no problems with it at all. It was 'used' when I got it. Yesterday I powered it down fo…
... left it turned off (no power input) as I did not ... -
Spectrum + for sale slightly faultySelling off my ZX Spectrum + computer This was on a thread here* [url]http://www.worldofspectrum.org/forums/showthread.php?t=44399[/url] Bought t…
... + with new membrane installed*
power supply, Cassette loading cables, AV cable ... spectrum as had a composite mod done and it works)
Issue 3B suddenly goes black and whiteAnother 3B I have here had a faulty ULA, swapped that out for another and hurrah! Works! New keyboard membrane and composite mod later I load a game…
... ! New keyboard membrane and composite mod later I load a game ... and re-checked the mod, tested the power supply, power socket, regulator, LM1889 (on ...DivMMC with other components..Having transferred my loyalties from the IF1bis to the DivMMC, I have finally been able to spend some time trying to set mine up on my ZX Spectrum. I…
... . I use a standard +2 power supply (which has slightly more beans ... than the original ZX supply).
I have found ... my SPECTRA interface. The green power LED comes on, and the ... just done a quick composite mod on one of my other ...Issue 4S differencesI decided to buy an Issue 4S PCB after reading much about them on here. It was originally in a plus case which didn't come in the sale. I've been run…
... in the single wire composite mod, that's because the ... capabilities and the single wire mod stresses it even further. Any ... a single transistor composite video mod, no further changes are necessary ... be. The 12V and -5V power supply is much quieter than the ...+2a/b power questionWill a power supply from a +2a/b be sufficiant to run a +3 if no other devices are connected to it? i know its not ideal but its all i can put my ha…
Will a power supply from a +2a/b be sufficiant to run a +3 if no other devices are connected to it? i know its not ideal but its all i can put my hands on.WTB: Spectrum 128 with composite modI would like to get into Spectrum which is difficult since it was never released in the US (argh).. Does anyone have a Spectrum with 128k with a com…
... have to get a different power supply.
Thanks ...Alternative Spectrum 128 power supplyAre there other consoles/computers/appliances out there which had power supplies compatible with the original Spectrum 128 without any soldering work…
... /appliances out there which had power supplies compatible with the original ... a backup, and the original power supplies aren't so easy ...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…
... condition.
Composite video mod.
New mambrane (bought in ... suggest no faults.
- Power on: 600 mA @ 9 ... suggests 48K operation. All expected power supply voltages present.
- Confirmed ... /4043[/url]
4. Power Supply (UK plug)
5. ...My experience with a ZX Spectrum clone called Elwro 800 JuniorAfter a long break in using this forum (modellrailroading is my main hobby) I'm back and want to tell something about an interesting ZX Spectrum clon…
... Erfurt (sign MME).
The power supply is built into the computer ... added). It had also some mod to the original signals in ... FDDs (the only problem is power supply). The original FDDs provided two ... drives and a power supply for them and that was ...Voltages from Original ZX Power suppliesHi. I've recently picked up a few power supplies in boot sales, one for a ZX81 and another for the ZX Spectrum. For the first time ever I decided …
... recently picked up a few power supplies in boot sales, one ... change the capacitors inside the power supply?
Thanks for reading ...Can't tune in to ZX SpectrumHi, I started this discussion a while back on another forum and so I thought I start it here. I can't tune in to my 2 ZX Spectrum's. One is SCART wit…
... . One is SCART with the mod which you snap 2 wires ... which doesn't work. The power supply is OK, It is my ...ZX Spectrum 48k Model 2 won't workHi, I started this discussion a while back on another forum and so I thought I start it here. I can't tune in to my 2 ZX Spectrum which are both Mode…
... . One is SCART with the mod which you snap 2 wires ... which doesn't work. The power supply is OK, It is my ... .S I have done the power tests on the 2nd one ...Interference when using modern PSUMy 48k revision 3 spectrum with a basic 1 wire composite video mod works perfectly with the original power supply. However When I use a modern regula…
... wire composite video mod works perfectly with the original power supply. However When ... I use a modern regulated supply (and ...PowerI am looking for a Zx Spectrum+ power supply and a cable to monitor. Does someone have one that they do not use, and want to give it away, I cannot …
I am looking for a Zx Spectrum+ power supply and a cable to monitor. Does someone have one that they do not use, and want to give it away, I cannot get it here is South Africa.zx spectrum 48k interference during first two minutes of warm upi have a issue 3B 48k that i am looking at during the first two minutes (approx.) of warm up there is interference on the screen (tried to take a pic…
... a bad video cable or power supply noise etc) then suddenly its ... is currently running a composite mod (via 100 uf capacitor) as ...Harlequin 48K, Rev. G - First Time Power UpHello, I have finished soldering all the components on the Rev. G PCB I bought of eBay. [img]https://photos.voica.uk/_datas/i/v/0/iv0uwafhua/i/…
... the board using my lab power supply:
[img]https://photos ...spectrum in united statesIs there any way to use a Spectrum in the United States? I notice all the ones I have seen on ebay have a power plug very different from the kind use…
... an American Sega Genesis power supply as I have run ... stepped down us genesis power supply whilst I looked for ... a new official uk supply. The power input for both ... so that should solve the power issue.
To ... successfully done this easy mod on a 48 and ...How much power can I pull from a +3?Hi guys (and gals), Does anyone know how much of a load I can draw from the 5 volt line (lower pin 3of the expansion port)? I'm needing between 500…
... blew the fuse in the power supply.
At the moment ... ), it has a stereo sound mod in it and the 'B ... externally by a standard +2 power supply).
I'm aiming ...Sound mod for AY audio chipsHi again. This is a repost. I posted it in the misc forum a while back but it definitely should be in here. I was totally pissed off with the crap…
... now two downloads for this mod. version 1.0 was the ... to check what the 128 power supply outputs). +2A/B users can ... take the power from the same place as ...Noisy 2A displaymy 2A gives a fairly good display until it has to generate sound or other cpu work, which interferes with the signal, giving some "cloudy" effects …
Yes thats right. Basicaly it?s the same setup as the last Cap mod, only in the version shown at the web page I?ve move the ripple fillter to the power supply rather than mounting it inside the Spectrum.Issue two picture qualityDoes anyone know if issue two and earlier spectrums have worse picture quality (in general, beside colours) compared to issue 3 and later? I mean on…
... AC) signal onto the DC power supply bus.
Another way ... your resistor/ferrite bead. This mod won't help keep your ...Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …
... 5v (or with this diode mod, around 5.6 to 5 ... the capacitors. When you apply power, the voltage across the capacitor ... electrolytics you use with a power supply circuit). Effectively, the apparent resistance ...Eprom blowerdoes anyone know a site with plans for an eprom programmer project that'll blow 27C256s. I attempted to build one called Kisseprom, but the software …
... use the USB port for power supply?[/quote]
... from a Willem Forum Mod in their forum[/URL ... EPROMs with USB power. USB power can be 4. ... powered from the external power jack. Your programmer ... the new USB data/power programmers are USB compliant... ...Which is the best spectrum to have ?Just wanted to know which is the best Spectrum to have as i know some have more bugs than others. All i wanted it for was to play games on both 48k …
... arkanoid...) by carrying out this mod:
[url]http://www ... grey +2)
ii) The power supply and plug that attaches it ...ZX48K bad videoI have 48K with bad RF video output: [URL="http://www.fileden.com/files/2007/6/28/1218776/Amiga/ZX48K_IMG_1219_up.jpg"]photo[/URL] It seems to work o…
... my Repair Shack composite out mod page.
... the spectrum has to power all the peripherals you ... ZX Printer with another power supply to replace the one ... headroom that it could power pretty much anything you ... box for a new power supply, and it looked as ...+2 datacorder noise eliminationHello :-) I have recently bought a gray +2, and as expected, it is plagued with the "datacorder noise in sound output" problem. I have found a few …
... from having to feed the power LED separately, can anyone think ... . The reason is, that the power supply of the amplifier of the ... caused by ripple on the power (from motor or computer). If ... . So I think the relais mod is a simple and good ...Welcomes...and some technical stuffHello I`d like to welcome all ZX Fans. I`m rather ATARI 8bit geek - I got this grat machine when I was 14...20 yeras ago... There were few ZX in …
... /> So, assuming, ZX after "power path" mod should start with :
a ... /stuff/zasilacz/20090514500.jpg"]power supply[/URL] to power my atari (lothAri, 65xe ...Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…
... I assume no composite video mod (like [URL="http://womblesretrorepairshack.blogspot ... 11/zx-spectrum-composite-video-mod.html"]here[/URL]) has ... would be to check the power supply voltages. You should have at ... to do the composite video mod on this machine, and ...Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…
... I assume no composite video mod (like [URL="http://womblesretrorepairshack ... 11/zx-spectrum-composite-video-mod.html"]here[/URL]) has ... QUOTE]
No composite mod, it's totally standard. Yep ... would be to check the power supply voltages. You should have ...
