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+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…
[QUOTE=BloodBaz;486646]Does the +2A PSU supply more than just a 9v rail?
Someone else may know more than me however.[/QUOTE]
it doesn't have 9v at all. It is 5v, 12v and -12v (and 0v obviously) -
Spectrum +3 doesn't workMy recently ebay purchased +3 arrived today, so I was quite excited to have one again. I plugged it in and all was well, except for a slightly worry…
... that you need 5v, 12v and -12v for everything to work. Unlike ... -
Spectrum +3 doesn't workMy recently ebay purchased +3 arrived today, so I was quite excited to have one again. I plugged it in and all was well, except for a slightly worry…
... that you need 5v, 12v and -12v for everything to work. Unlike ... -
Anyone wanna put together a Speccy package for a noob?Hey all, Bought a couple ZX Spectrum tape games off eBay a while back. My whole collection soon went into storage and I hadn't unpacked it until rec…
... -LINEAR-DC-POWER-SUPPLY-3-12V-2a-/350283049216?pt=LH_DefaultDomain_0& ... -
Mute switchOn a standard 48K machine, would it do any harm to fit a mute switch into one of the sounders connections ? I mean by 'harm' switching it on / off w…
... is just a normal moving coil speaker. If you are worried ... -
Powerpack melts! +3 survives!I woke up this morning, switched on the sockets, went to the loo 'as you do' and came back into the living room. I heard this clicking sound so I th…
... supply has failed, but the 12v supply is still ok iirc ... -
Powerpack melts! +3 survives!I woke up this morning, switched on the sockets, went to the loo 'as you do' and came back into the living room. I heard this clicking sound so I th…
... supply has failed, but the 12v supply is still ok iirc ... -
UFO Watch tonightthis is probably about the 8th 'UFO out my parents house' thread Ive made on here since I joined, but I thought I'd keep you updated. about 2am some…
... monopole. Yet a simple experimental coil can magnetise a piece of ... its length. Build a Rodin coil and test it yourself. Its ... -
UFO Watch tonightthis is probably about the 8th 'UFO out my parents house' thread Ive made on here since I joined, but I thought I'd keep you updated. about 2am some…
... monopole. Yet a simple experimental coil can magnetise a piece of ... its length. Build a Rodin coil and test it yourself. Its ... -
Powerpack melts! +3 survives!I woke up this morning, switched on the sockets, went to the loo 'as you do' and came back into the living room. I heard this clicking sound so I th…
... should only be 5v or 12v resulting in yet more bangs ... -
Running a Spectrum in the USI didn't realise how much hastle it was to set up a UK PAL Spectrum in the US. [url]http://wn.com/List_of_ZX_Spectrum_games[/url]. I knew about the …
... 's needed: 120V -> 9~12V DC [I]anything[/I] that ... ~240V AC, and output is 12V @1.5A. No problem powering ... -
ZX48K: KILLING keyboard membrane?Hi. My friend - JAD - decided to get back from C64 to ZX Spectrum 48K after some break (that's the man who coded this program [url]http://www.pouet…
... switch mode power supply (the -12v/-5v supply). Look at the ... -
Spectrum +2 screen?Hello all! I would just like some advice on a Spectrum +2 that I recently bought. It powers up just fine with solid red light. I have connected a sc…
... use something similar for single coil pickup'd guitars. It cuts ... -
48k rubber key screen corruption[IMG][URL=http://img195.imageshack.us/i/img7398g.jpg/][IMG]http://img195.imageshack.us/img195/5563/img7398g.th.jpg[/IMG][/URL] Uploaded with [URL=htt…
48k rubber key screen corruption[IMG][URL=http://img195.imageshack.us/i/img7398g.jpg/][IMG]http://img195.imageshack.us/img195/5563/img7398g.th.jpg[/IMG][/URL] Uploaded with [URL=htt…
... chip which also needs the 12V. Unknown things might happen (to ...The Idiot's guide to 3.5 inch floppies on a +3All help gratefully received, including blow by blow instructions and tutorials. I am interseted in adding a floppy drive (3.5 inch) to my +3 as an …
... /> yes you'll need 5v, 12v and ground. Ideally the same ...The Idiot's guide to 3.5 inch floppies on a +3All help gratefully received, including blow by blow instructions and tutorials. I am interseted in adding a floppy drive (3.5 inch) to my +3 as an …
... or similar.
Amiga provides +12V and +5V on its external ...The Idiot's guide to 3.5 inch floppies on a +3All help gratefully received, including blow by blow instructions and tutorials. I am interseted in adding a floppy drive (3.5 inch) to my +3 as an …
... or similar.
Amiga provides +12V and +5V on its external ... floppy drives *do* still need 12v for the motor but different ...Issue 2 Speccy faultHi Guys, I'm really hoping someone can help me with a fault that has just developed on my issue 2 speccy. After perservering for some time with usi…
... RAM).
Missing -5v/+12v to the 4116 usually indicates ...Powering up a Speccy after long-term storage.Staying at my folks for Christmas. Feels good to be back in God's country again, even if it is -12C outside at the moment. :-o Anyway, I was plannin…
... damaged. If caps at the +12V or -5V supply rails are ... ), C44 and C45 - both 100uF (12V rail) (this is for issue ...broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…
oh, :cry:
thanks for the link.
Vbb is 0V (should be -5V)
Vdd is 8,6V (should be +12V)
Vcc is 4,9V (should be +5V)Testing memory/transistors etc with multimeterAnyone have a rough guide to show how to do this properly? Im using the diode setting on the multimeter to test various components, im touching the b…
... identify the +5v, -5v and 12v which are so often a ... supply is producing -5v and 12v when under load.
Testing memory/transistors etc with multimeterAnyone have a rough guide to show how to do this properly? Im using the diode setting on the multimeter to test various components, im touching the b…
... bottom left corner pin, reads 12v, bottom right corner pin, reads ...Where to get drive compatible with the plus dhi all have been offered a plus d system and was wondering if anyone knew a place to get a cheap compatible floppy drive for it to? cheers
... ,
and building a small +12v/+5v power supply would be ...Ztx313 (mps2369)Could someone explain what these transistors are a replacement for please?
... do with my rather dubious 12v regulation rather than the transistors ...Amiga 1200 death (1996-2011)I'm off work this week so i thought i'd dig out my old Amiga 1200 and play some old games. My Amiga is in a cupboard next to the front door, to my …
... thing to go is the 12V line. The 5V line has ... up and running, but without 12V the drive appears faulty. I ...Was the +3 a missed opportunity?I just wanted to gauge WOS opinion on this. Do people think that the +3 was a bit of disappointment that didn't really advance the hardware as much a…
... them funny and the -5v/12v supply fails and the lower ...Was the +3 a missed opportunity?I just wanted to gauge WOS opinion on this. Do people think that the +3 was a bit of disappointment that didn't really advance the hardware as much a…
... them funny and the -5v/12v supply fails and the lower ... -DC converter module for the 12v needed for the video.
