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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…
... ). if you add a 12v regulator to the board you could ... -
A french german european Xbox 360I might be able to get a european 360 apart from the powersupply would there be any dissadvantages in getting a european 360 ???
voltage/wattage or something of the mains? i THINK there are slight differences but most power supplies deal with them. -
questions about the +2 and +3I can`t remember if the +2 and +3 had a port on the back of the computer that let you use your own tape recorder so i`m asking if there was or not ?
... audio. You can use a voltage limiting diode to protect the ... -
monitor wobblyjust recently my crt monitor has been doing something weird. The vertical screen position keeps stretching and retracting slighty from filling up the…
It's more than likely that the EHT is on it's way out, this unit provides the high voltage to the tube, the symptons you explain are common prior to the pin cushion effect taking place, followed by a slight short hiss and then a blank screen. -
"Unknown disk format"-error on Spectrum +3Hi, I have just gotten around to changing the drivebelt in my newly acquired +3. I tried to format one of the 3" disks I bought on eBay the other we…
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…
... the addition of a 12v regulator for use on a +2 ...Spec 128 in the U.S.So I have a Spectrum 128 and I am in the U.S. I need to get a power supply that will work with this unit. What can I do here? I should be able to …
You shouldnt have any problems making the video cable. For the power supply, you'll need a 9v @ 1A (or close to that) adapter. The voltage can vary upto about 13v and it will be fine.Spec 128 in the U.S.So I have a Spectrum 128 and I am in the U.S. I need to get a power supply that will work with this unit. What can I do here? I should be able to …
[quote]
On 2005-12-23 03:11, KeepGood wrote:
need a 9v @ 1A (or close to that) adapter. The voltage can vary upto about 13v and it will be fine.
[/quote]
... and make sure the polarity's right before plugging it in.broken ZX SpectrumHi there I was given a dead ZX Spectrum years ago, and being bored today thought I'd try it again. Its a Sinclair ZX Spectrum with lovely rubbery key…
... chip pull the line's voltage down.
I replaced the ...How do you get an external tape recorder to work on a +2a?Just for the hell of it, just say the internal cassette player stopped working. What command would you use when hooking up an external player, so the…
... need to use a 7805 regulator. With one of these, it ...Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…
... inbuilt PSU... but the characteristics, voltage a.s.o. is not ...Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…
... . the PSU gives out stabilized voltage of +5V/1A and unstabilized ... voltage of at about 20V/200mA ... created by the voltage doubler [I](zdvojovac napatia?)[/I ... ] - this voltage is stabilized onto 12V in ...Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…
... +20V line via a 12V regulator - I will look into it ...Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…
... hole being - (negative). Set the voltage to 9V if you can ...Didaktik Kompakt MI have probably spelt it incorrectly, but - does anybody know the power requirements for this little machine? What connectors does it use, polarit…
... hole being - (negative). Set the voltage to 9V if you can ...PC advice reqd!I have a Asus K7 mobo, Athlon64 XP 2.8GHz, 128MB RAM, Samsung DVD/CD Writer combo, and a 250W SMPS. I'm thinking of buying a Nvidia 6600GT 128MB AGP…
... switching PSU for the processor voltage and for the high powered ...PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …
... I have to change some voltage settings in my BIOS since ... power from SMPS. The AGP voltage is currently set to 1 ...PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …
... I have to change some voltage settings in my BIOS since ... power from SMPS. The AGP voltage is currently set to 1 ... AbitEQ thingie), and the AGPVDD voltage is showing as 1.54 ...PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …
... you could post the other voltage settings. You haven't overclocked ...PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …
... you could post the other voltage settings. You haven't overclocked ... , natch! I'll post the voltage listing when I get home ...some questionshello all, I havent been here for a while, but Im back, older and wiser (I hope). No more stupid spectrum OS ideas. Well I have a speccy + 2a and I …
... socket (barrel). I/P signal voltage shouldn't go above 5V ...Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... other Speccy, which kept blowing voltage regulators for some reason, I ...Speccy MTBFHi, Looking at the old (issue 1-2) PCBs, they do look like someone knocked them up in an etching bath/with a soldering iron in their shed but has th…
Cheers for that. I'm a little surprised the 7805 wasn't more frequent as my own Speccy blew two up.....I wonder if there was some other problem like too high a voltage from the transformer...(?)ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... snapshot button) that pull the voltage low on the /NMI pin ...Speccy MTBFHi, Looking at the old (issue 1-2) PCBs, they do look like someone knocked them up in an etching bath/with a soldering iron in their shed but has th…
... failures too. The extra hot regulator heatsink literally burned through keyboard ...48K power supply coilHi guys, been thinking about making a small quantity of PSU coils for the original 16/48K machines. My problem is, although I can (and have, with gr…
... frying and make a few voltage readings and experiment until I ...Faulty 128KI digged out my Spectrum 128, and it wakes not up. I don't have experience, only with 48K. Maybe someone can give me some hint, clue. It looks like m…
If not the ULA, it's most likely to be RAM/Z80. You's be surprised at how often the Z80 goes down.
You can do basic voltage checks to see if all the voltages are present, that may be a start....Noisy display faultI've been given an Issue 3 48K Speccy PCB which is in good working order except the main display area has slight changes of shade loosely following a…
... problem in the PSU. Take voltage measures along the [B]12VA ...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 …
... DC line or if the voltage drops whilst playing a sound ... effect of modulating the supply voltage, so audio will be seen ...
