-
Spectrum Issues by Serial?Wotcher all, Just wondering, as I gaze idly at my newly bought off eBay Spectrum+... is there any way of telling from the serial number what issue a…
... ... and even then the slightest voltage fluctuation and boom goes TR4/TR5 ... -
Voltage regulator replacement?I have an 48K issue 3B that has (for unknown reasons) had one of the legs on the voltage regulator broken off. It looks like a simple replacement job…
... of the legs on the voltage regulator broken off. It looks ... -
Missing Voltage RegulatorHello all and a very merry 2-days-after-the-speccys-25th-birthday to you all! Okay, I've just received my brand spanking new 48K keyboard membranes …
... odd reason ripped off the Voltage Regulator and heatsink. Is there ... -
Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …
... . But where to get this voltage from? I know that we ... -
how to set voltage regulator to the correct setting ?On the power supply that is broken it says AC adapter INPUT : 230v 50Hz OUTPUT ; 9v 200mA Regulated On the variable voltage adapter i have the…
... />
On the variable voltage adapter i have there is ... do to set the correct voltage ? -
How to fix dc voltage on a 48+ psuAfter dinner, after a womble video out mod on a "new" purchased 48+ , just in the remaining time I tested the voltage of its psu and, surprise surpr…
... remaining time I tested the voltage of its psu and, surprise ... pcb for trimming the output voltage. Can I add a resistor ... to trim the voltage to a more cool 9 ... -
Spectrum 48k PSU voltageI have been running into problems with my rubber key speccy. To cut a long story short I did a voltage check of my power supply. It seems to fluctuat…
... story short I did a voltage check of my power supply ... -
THE VOLTAGE OF THE POWER SUPPLY UNITCould anybody who has a ZX Spectrum 128k +2 count with a voltameter the voltage which the power supply unit gives to the Spectrum and tell me the [B]…
Could anybody who has a ZX Spectrum 128k +2 count with a voltameter the voltage which the power supply unit gives to the Spectrum and tell me the [B]exact[/B] reading? -
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... arrived to me with the voltage regulator hanging around,
... sure about the orientation the voltage regulator was soldered.
... wrong.
The voltage regulator has printed "F M0247 ... must install a newly buyed voltage regulator.
... -
Voltage converter question.I recently paid over $100 for a really solid nice looking 750 watt 110v to 220 v converter so that I can run some my UK appliances when they come ove…
... />
However, this second 'cheapo' voltage converter does not appear to ... any side effects with the voltage converter? -
ZX Spectrum +2 (grey case) voltage converter circuit oddity.I'm working on repairing one of these and have encountered a possible problem and I'm not sure what I can best do about it, if anything needs to be d…
... circuit board that houses the voltage converter circuit (top right) had ... /> Measuring the outputs of the voltage converter circuits in both Spectrums ... have a diagram of the voltage converter circuit to hand while ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... + upgrade kits)
[b]Voltage regulators:[/b]
I known ... is a 78S05 5v 2a voltage regulator in the +2, and ... -
Power supply voltage regulator circuitRelating to [url="https://www.worldofspectrum.org/forums/discussion/56142/"]this topic[/url] I have managed to acquire this little accessory, which I…
... />
It acts as a voltage regulator undoubtedly but I am ... -
Voltage/current meterToday I went to my local electronics shop and found this model of voltage and current meter, readily assembled with DC plugs at either ends... :P …
... and found this model of voltage and current meter, readily assembled ... -
Building a ZX Spectrum and I have some voltage questionsI've posted about this before looking for parts, but now I've found all the hard-to-get stuff (thank you Retrolium!). So I figured new questions, new…
... noticed any significant difference in voltage on the board. The first ... -
spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
spectrum48k power supply?Hello, I live in the U.S. and I need to get a power adapter for the spectrum 48k comparable to the original. I needed to know all the specifications…
... for output:
like output voltage(i think it's 9v ...SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…
... I'm worried about the voltage!
Also, the United ...About the Disciple heat problem.I was wondering if anyone knows how to solve the problem that Disciple interfaces have that start losing it after some time of usage. I know that the…
... with a sinkcooler on the voltage regulator but I don't ...what are exact current values on +2A's PSUI like to know what is written on an original +2A PSU nearby each voltage. I mean the current for +5V, the current for +12V and the current for -12V.…
I like to know what is written on an original +2A PSU nearby each voltage.
I mean the current for +5V, the current for +12V and the current for -12V.
Thank you.
Best wishes,
CristiKnight Lore 2 - Conquest of Fairlight????Whoa! Whoa! what the F is this!!! Just having a plough through the archives and came across this MIA game. What does anybody know about Knight Lore…
... .
The publishers, High Voltage, also did that classic, Strip ...TS2068 PSU?Just wondering what is the voltage and polarity that the TS2068 PSu has. My unit has no PSU, and I was expecting to either use my Spectrum 12V power …
Just wondering what is the voltage and polarity that the TS2068 ...Anyone heard of these?I recently found a list of spectrum tapes I intended to buy (but never did) years ago. Most of them seem to be already dumped - or at least known of …
... "The Designers Collection" by High Voltage Software. I can remember the ...Multisystem TV'sHi all, I'm finally giving some thought to getting my Speccies and other PAL machines up and running over here and I'm looking for any recommendatio…
... I can buy a decent voltage transformer? Last time I was ...Humming Power Supply Spectrum 128Hello All, The Powersupply of my Spectrum 128 is humming like a nut case, only to fade away after about 20 minutes, then it is normal for the rest o…
... the problem is?? The output voltage seems ok. Is it the ...Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... it in America with a voltage converter or a different power ...Can't tune into spectrumHi - I recently discovered an old ZX Spectrum in amongst a load of junk (it's the 48K version). Not sure whether it works yet because when I try to t…
... that, whilst giving the correct voltage (9V according to the manual ... constantly clicks (very quickly). The voltage in the cable to the ...+2A Power Supply probhi, The power supply for my +2A spectrum appears to have died. I have an AT power supply from an old PC I could use as a replacement but I can't fin…
... on which pin is which voltage (the power connector is a ...Commodore 16 (yuk!) help neededJust got hold of a whole bunch of retro computers. Slowly working through them, fixing, canibalising, dumping etc. does anyone know what power suppl…
... adaptor if i knew the voltage and polarity etc. Any help ...My 48+ Power Supply is buzzing.Is this a bad thing? It only started doing this a few days ago. Can the original 48K power supply be used on a +? The FAQ says that they both have t…
... both have the same output voltage and Amp values but the ...