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Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…
... checked the power supply: there is 5V on the circuit.
Secondly ... analog schematics the clock signal circuit is shown.
I measured ... that is used in this circuit, the Spectrum suddenly booted and ... does not work in this circuit (in another topic on WoS ... -
Can anyone knock me up a little RS232 circuit in a couple of days?I urgently need a circuit board that will read contact closures on a D-type and send out an ASCII character via RS232 as follows: On the input to th…
I urgently need a circuit board that will read contact ... /> On the input to the circuit I need two sets of ... -
Power supply questionHi all, my 48k power supply has suddenly started getting very noisy, and I'm getting worried in case it blows up my favourite Speccy. I'm on the look…
Hi all,
my 48k power supply has suddenly started getting ... more powerful from having to power the tape player as well ... -
Alternatives to the Spectrum 128 power supplyI was wondering whether any other computers or games consoles have a power supply that is compatible with the original Spectrum 128+ and could be use…
I was wondering whether any other computers or games consoles have a power supply that is compatible with the original Spectrum 128+ and could be used as a replacement. Any ideas? -
Sinclair FTV1 - Power supply polarity?I've just dug out my old Sinclair FTV1 pocket telly. Does anyone know the polarity of the power supply requirements, before I plug it in and blow it…
... know the polarity of the power supply requirements, before I plug ... -
ZX Spectrum + Revision b Power IssueHi all, I'm trying to repair a ZXSpectrum + revision 3b and at the moment the -5v is missing from the board. I've replaced the TR4 and will be soon…
... TR4 and will be soon replacing the TR5 and maybe the ... -
ZX Spectrum Power SupplyHi All, I've come across a power supply that is currently registering 14.5v before it is plugged into the Speccy. I have another one that registers…
... /> I've come across a power supply that is currently registering ... -
Micro-Power Add-On Demo SoftwareI have recently come across the manual (some printed A4) sheets for the Add-On interface (http://www.worldofspectrum.org/infoseek.cgi?regexp=^Micro+P…
... .org/infoseek.cgi?regexp=^Micro+Power+Add-On$&pub=^Micro ... $&loadpics=1) by Micro Power and what appears to be ... -
Alternative speccy power supplysI know all us would have our speccys with the original power supply,but often i would see a distress call from people who got speccy from ebay but on…
... our speccys with the original power supply,but often i would ... that it came without a power supply,i heard that a ... -
Cassette Player + 48k Power Supply (but really just the cassette deck)Hi everyone- I'm having some difficulty trying to find a decent cassette player on Ebay for a good price. The ones that I see on there are all ei…
... the cassette player and the Power Supply didn't survive the ... the machine with a different power supply and a friend's ... -
Searching for the artistes from The Power House / H.E.X.Hello, my name is Caroline Bren, and this is my first post. Recently, I put out an audio record which some of you may have heard of, under the Feedin…
... the software distributor The Power House came with his ... on program cassettes from The Power House. A few of ... many other games from The Power House, such as [ ... these or any other Power House games that include ... Although some titles by Power House do show up ... -
Onboard power jack type on ZXHello, i'm trying to find replacements for the barrel type power jack that resides on a speccy board. I have many speccys that the slightest wobble r…
... replacements for the barrel type power jack that resides on a ... -
+2 power not working. Need helpHi folks, I'm hoping someone may be able to point out what could be wrong/needs fixing here. One of my +2's had a loose RF modulator. The 5v wire w…
... the modulator. After that the power doesn't come on at ... -
+2A PSU test helpIs it possible to test a PSU to see if it is dead any other way than plugging into the computer and the light not coming on/no power? I'd like to fi…
... light not coming on/no power?
I'd like ... , or if it's the circuit board that is knackered.
Broken keyboard due to broken ULARecalling csmith's thread about dead ULAs, a thread appeared in the Zonadepruebas (Spanish) forum regarding... a dead ULA, but only a partially dead …
... accomplished by an external circuit.
The circuit is a tristate ... allowed me to put the circuit "floating" on top of whatever ... ]
I cabled the circuit with the green wires from ... . With the blue cable, the power (5 volts and ground). With ...Alternate PowerHi All Been sorting and decorating and throwing stuff out, and seem to have mislaid a whole box of Spectrum stuff :( Found me Spectrum +2 but as ye…
... +2 but as yet no power unit, can anyone recommend an ... alternate
power supply or what what type ...Power GadgetHi All Does anybody recall those power gadgets that plugged into the power connection of the Rubber keyed Spectrums that allowed you turn the Spectr…
... />
Does anybody recall those power gadgets that plugged into the ... power connection
of the Rubber ...Spectrum+ power pack for a rubber-keyed machine?Quick question: Is anything bad going to happen if I use a Spectrum+ power brick for a regular 48k Speccy? I'm dimly aware there are some differenc…
... if I use a Spectrum+ power brick for a regular 48k ... differences between certain models of power pack. My regular 48k one ... -up. I have a 48k+ power supply which worked last time ...Wanted: Yamaha CX5M Power Supply UnitLong shot, but does anyone here happen to have a power supply unit for the Yamaha CX5M Music Computer that they would be prepared to sell? I have b…
... here happen to have a power supply unit for the Yamaha ... run off a Spectrum +3 power unit, but it would be ... nice to have the original power supply, with the bizarre 13 ...Boosting wifi power from BT Homehub router?Howdi diddley do Any one have a BT Hombhub router? I've been wondering of ways of enabling me to boost the power of the router so I can get my wifi …
... enabling me to boost the power of the router so I ...Acorn Electron power supply.Sacrilege, I know, but I know of no other forum that covers any aspect of British computing at all other than this site. I've been looking at buying…
... buying one, but without the power supply. I know it takes ... an 18v supply, of AC power apparently. I've seen a ...+2A / +2B / +3 Power Supply QuestionIf I'm going to put a switch in the power lines of a +2B, do I need to switch the +5V, +12V and -12V all off to make it safe to remove peripherals, o…
... put a switch in the power lines of a +2B, do ...Spectrum +2 power supplyHi, I recently rummaged my Spectrum +2 from my parents house, but could only find the actual computer and the games, the cables were missing. So I'm…
... . So I'm missing the power transformer and the TV cable ... it into the Spectrum the power light doesn't come on ...Micro PowerJust google mapped Micro Power to see the old [URL="http://maps.google.co.uk/maps?q=ls71ad&ie=UTF8&hq=&hnear=Leeds+LS7+1AD,+United+Kingdom&gl=uk&ll=5…
Just google mapped Micro Power to see the old [URL=" ...Frequent Power Blips.I've noticed that in the last few months and increasingly so over January to Feb of 2011 we have been experiencing an unusual number of Power blips. …
... experiencing an unusual number of Power blips. What I mean by ... Wales? I know that the power companies normally have provisions and ...ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... news is that prior to replacing all eight memory chips, two ... to replacing the chips the current drawn from my power supply was ...Wanted: Spectrum +2A/3 Power Supply (Working/Broken)Hello there my Fellow ZX'ers I am in need of your help and this time its in the form of a Spectrum +2A or +3 power-supply. Here's a +3 variant, the…
... a Spectrum +2A or +3 power-supply.
Here's ... an external +12v / +5v Switching Power supply, not like the earlier ... a Spectrum +2A or +3 power supply, working or not, then ...Spectrum+ Power SupplyWhat are the requirements for a Spectrum+ power supply? I finally found one in America, but without the supply. I'm guessing it's center positive 9v …
What are the requirements for a Spectrum+ power supply? I finally found one in America, but without the supply. I'm guessing it's center positive 9v 1.5A?Power usage on PCsIn this week's Micro Mart there's a review of a four gigabyte (:-o) PC graphics card, which is apparently the fastest PC GFX card in existence. Until…
... just that card with power, let alone the rest ... the advisability of such power demands from a graphics ... at ways of reducing power consumption, or will it ...
And how much power do consoles use, come to ... trying to reduce the power consumption and/or waste ...Spectrum +2 power woesMy orginal 48K+ has been dead since about 1989, a 128K Toast rack I bought about 10 years ago was dead on arrival and my 128K +2 has a dodgy power co…
... 128K +2 has a dodgy power connector. If I press down ... hard then the machine does power up and operates as new ...
