-
Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... America use a regular PC power supply. Since i don't like ... adapter that was used to power an external USB hard drive ... +12V, enough to power a +2A/+2B/+3. It's a lot ... -
Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... after I plugin a power supply 9V; 2,3A its ... used a more powerfull power supply, with voltage and current ... was dead. After replacement power supply voltage still drops to ... and D12 IN4148's (Issue 3's & 2). ... I use a external power supply, surely I can think ... -
Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... when it comes to power electronics, but I thought ... chapter 3 of the Spectrum Hardware ... talks about an extra 5V power supply.
There ... fact an unregulated +12V supply from the collector of ... thought your 2.3A supply would be enough. Even ... -
Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... 280248]...but I thought chapter 3 of the Spectrum Hardware ... more debugging first. Your existing power supply is just sagging because the ... being supplied for 2 or 3 minutes. After replacing the ... Voltage still sagging to 2,3 V.
Rsistance between ... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... /> [B]so make sure the power supply does not produce 50 Hz ... caused by 50/100 Hz power supply.
You did test ... before with the +2 like schematic) to avoid additional effects caused ... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... caused by 50/100 Hz power supply.
You did test ... before with the +2 like schematic) to avoid additional effects caused ... -
+3 and amstrad 6128 disk b port compatibility questionAfter having read many web pages, secarica's long text and guesser's ascii-art diagrams for connecting a pc floppy to +3 drive B slot, I found myself…
... one of them on Spectrum +3, switched as DS1. It ... two 5.25", two 3.5" and one for motherboard ... red cable "far" from power supply (unlike you connect on PCs ... it, plug into the +3 port. The key present in ... far from power connector, because the Shugart +3 port has ... -
What computing platforms do you have in the house?Just took delivery of my first Mac so now in our house we have: Study: HP Compaq desktop running XP Living room: Dell laptop running Vista (spit)…
... DFS and floppy only)
3 x Spectrum 48K (2 that ... (awaiting repair - duff internal power supply), Spectrum +3
Apple PowerBook G4 (my ... -
end of term - toy daydid anyone else have these? we used to have them, they were wierd days, where you didn't take any lessons, but instead brought one toy in and played…
... remember having to stretch the power supply cable as far as it ... ]
I took my +3 in one day. I seemed ... -
4116 DRAM for 48KSomeone told me I got faulty RAM in my broken 48K. They should be 150ns, right? What would be a good place to buy them from?
... the board. A single +5V power supply, and a good look at ... less, and just over 1/3 of normal energy consumption. Oh ... -
128k heat sink - ULA problems and a hintHello, I had two ZX Spectrum 128k with a similar behaviour. One item worked only a short time after switching on and then there were increasing RAM …
... . How much current does the power supply have to provide whilst keeping ... get the same problem on 3 different 48K Rubber Spectrums
3 amp) on a little daughter ... heatsinking on the standard issue 3+ 48K isn't brilliant, and ... -
R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…
... but it worked flawlessly for 3 years, but could be one ... transformer needed (only for my +3) It isn't regulated but ... wondering if a regulated 9v power supply is better?
btw, why ... wouldn't a 5v power supply work (since the spectrum basically ... -
plus3e simple ide interface problemhi, I prepared a 8bit simple ide interface 3 days ago, but I got problems (with or without ide cable connected). 1.First of all, I have to press re…
... powering the HD from the +3's supply, Extra decoupling, particularly on ... your tapping from the +3's power supply, you should also add ... well. Usually resetting after initial power on seems to fix the ... could be related to the power issue, however, never had ... -
Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…
... with a [I]regulated[/I] power supply that outputs around 7~7 ... waste heat vs. unmodified.
3) Drastical: hook up regulated +5V ... -
Advice on cooling a PC needed.I am about to build what is gonna be my final PC but i want it to be a humdinger and need advice on keeping it cool as in the past i have built prett…
... my 6600 quad core at 3.6gig (default 2.4) and ... behind the CPU, Over the power supply and directly out of the ... -
Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…
... />
You know any old Power supply will do so long as ... .com/COMPACT-VARIABLE-LINEAR-DC-POWER-SUPPLY-3-12V-2a_W0QQitemZ350184037220QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item350184037220& ... -
At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…
... an N64 with 2 or 3 games but left it as ... ZX 128K +2 without its power supply and a copy of Scrabble ... -
At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…
... ZX 128K +2 without its power supply and a copy of Scrabble ... now are selling em for ?3-?5, ive even seen some ... -
Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…
... 'm using a 9V 1A power supply and my X68000 monitor, as ... away with a 1.2A power supply for the 128 model? 128 ... , and the +3 give me the impression that suitable power supplies might ... -
Using a Spectrum in JapanHi all, at the moment I have a 48k Spectrum on its way (with a LOT of other stuff) to Japan where I intend to use it. So I have some fairly straight…
... uses a 9V 1.85A power supply with a plug similar to ... uses a 9V 2.1A power supply with a plug again similar ... />
The +2A, +2B and +3 use a different type of ... , +2B and +3 models I could just get a power supply similar to ... -
ID a SpeccyI was given a rubber key Speccy a few days ago. But it has no power supply or stuff so I have no idea if it is a 16k or 48k one.. Is there anyway t…
... any ZX power-supply. Unless it's psu to +2A/+3... Hm. Right ... also test it on standard power-supply although it should have stabilized ... power and changeable polarity.
I ... -
ID a SpeccyI was given a rubber key Speccy a few days ago. But it has no power supply or stuff so I have no idea if it is a 16k or 48k one.. Is there anyway t…
... any ZX power-supply. Unless it's psu to +2A/+3... Hm. Right ... also test it on standard power-supply although it should have stabilized ... power and changeable polarity.
I ... -
not much gear and absolutley no ideaIm looking for some help with two spectrums that i have just dug out of storage and are both unfortunatley faulty. I had always regreted that during …
... memory and possibly the internal power supply (not the big 9V brick ... , but there's another power supply on the Spectrum motherboard) may ... br />
If the internal power supply has died, then the lower ... have to dig out the schematic to find out which one ... -
divide plus back to life , preorderI have green light form authors to made DIVIDE PLUS, anybody interested? Promise from me , fully asembled and tested DIVIDE PLUS in plastic case. Qua…
... +3 (faulty no problem, no floppy no problem, incomplete no problem, power supply ... full testing i looking for +3 and plus 2 grey.
building a PCIv'e decided to get my old PC and try and get the thing working again. not really sure what went wrong with it, and instead of buying a new one i pre…
... with your old mobo
3) If building a new machine ... /> 5) how powerful does the power supply need to be, and does ...My annoying computer threadAs i have just purchased my first computer i thought id start a thread where i can ask you all anoying and possibly simple questions. first off ive …
... PC to last at least 3-4 years of heavy gaming ... capacitors are bulging in your power supply so you have to replace ... too, either that or the power requirement of 8 CPUs and ... way behind in terms of power against a desktop PC. And ...Two dead SpectrumsHi all, Long time since I posted on here. I'm having a bit of a clear-out, and I've re-discovered two Spectrums I had in the loft : One is an orig…
... other clue that the internal power supply has failed is a ... 48K machine. If the internal power supply dies, then so does ... br />
If the internal power supply is working, however, the next ... also helps to understand the schematic (available at WOS)
...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 …
...
About using a PC power supply: yes, you can remove all ... aproppiate PCB tracks to the power supply connections.
But ... use whatever ATX power supply you may find.
3. Modify the ... solution #3, you may be able to use a power supply as ...New Spectrum game - HomebrewWell, I finally got around to finishing the game I was supposed to finish at Urbis. Featuring lots of rather nice brightly-coloured graphics by Jarr…
... ]Bugger, just got to level 3 and I've broke my ... way up pad for my +3 back in 96 called a ... System pad on me old +3 before it died (sadly haven ... have the +3, I think it's the power supply that's cattled ...Spectrum + which is the original power pack?Hi everyone Which is the original power pack that came with the 48k+ plus ? Is it the cube with red letter saying ZX SPECTRUM or is it that also c…
... similar black square cube like power pack - UK 1850 (1 ... and heavier) black power supply
The Spectrum +3 also came with ... a long black, heavy power supply
... ) all use the same power connector (a single pin connector ...
