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power supply for +2 greyJust bought a fully working +2 grey but it dont have a power supply. I did see it working though so i do know it works. Whats the voltage and amps fo…
Just bought a fully working +2 grey but it dont have a power supply. I did see it working though so i do know it works. Whats the voltage and amps for the psu ?
thanks -
Spanish +2 romI spent two days getting my Windows PC back up and running after it crashed due to unstable DDR3 memory which was caused by too high voltage AND bad …
... was caused by too high voltage AND bad contacts with my ... -
DivMMC clock bufferI have completed the first DivMMC EnJOY today: [url]http://www.worldofspectrum.org/forums/showthread.php?t=44238[/url] But there is a problem with t…
... resistors to create a supply voltage of about 3.8V.
With that supply voltage, the circuit does it's ... resistor values for the supply voltage in the DivMMC circuit; I ... -
Pimping an Issue 4SSo theres this 4S I have, its been a pain in the backside for ages, this and that going wrong then I stupidly broke it properly by inserting a keyles…
... the lower ram and the regulator. So now the lower ram ... comes back to replace the regulator and heatsink, new transistors in ... -
Homebrew keyboardGuys, just a quick question. I really should know, but I don't :( I've built keyboards for the standard layout before now, and was hoping to expand…
... see two problems - a) the voltage drop across a silicon diode ... key.
The diode voltage drop I can sort out ... -
Opus Discovery PSU[IMG]http://www.scotek.net/zx spectrum/opus.jpg[/IMG] This is a photo of my Opus Discovery transformer. Can anyone tell me what the connections are …
... the left side is low voltage and have recorded what goes ... -
ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... grey one).
The regulator was damaged and seemed to ... !
I replaced the regulator and re-established the 5Volts ... -
Spectrum 48k video and keyboard issueHi all, few days ago I experimented with battery supply for my speccy (48k issue 2), and I was measuring the voltage and how much current it used. A…
... ), and I was measuring the voltage and how much current it ... one time wanting to measure voltage, I connected the multimeter forgetting ... -
ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... , which is fed by a voltage divider between 3.3V and ... square signal.
Also the voltage is about 3V max, which ... than on the 48K: the voltage level is max. 2V!
SD card as a tape playerSince discovering WOS I've been amazed at the talent and inginuity of everyone who has developed new hardware and software. I only wish I could under…
... /> I had an old multi voltage PSU which powered up the ...
