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Spectrum 48K input voltageI have a power supply that is rated 9,5 Volts DC. With no load it outputs about 9,86 Volts. Is it safe to use it for ZX Spectrum 48K? (it can do …
... =orange;268206]I have a power supply that is rated 9,5 ... it safe to use it for ZX Spectrum 48K?
(it ... the 12V and -5V supplies for the DRAM and Colour Encoder ... to get a 9V regulated power supply. This will provide 9VDC regardless ... -
Spectrum 48K input voltageI have a power supply that is rated 9,5 Volts DC. With no load it outputs about 9,86 Volts. Is it safe to use it for ZX Spectrum 48K? (it can do …
... =orange;268206]I have a power supply that is rated 9,5 ... it safe to use it for ZX Spectrum 48K?
(it ... can. It's one reguled power supply , maybe one those switching DC ... power adapters. Take attention to the ... -
Spectrum more loved than C64It just occurred to me that the Spectrum must be more loved than the C64 these days. After all, it has been more than a year since an update was made…
... 've a problem my Spectrum power supply"
A: "You prick troll ... ve never built your own power supply so you're not credible ... voltage, amp and polarity required for a replacement transformer.
< ... there are several DIY methods for repairing them but as a ... -
Wanted Zx Speccy 48K Games[B][FONT="Comic Sans MS"]Hi all New to these forums but i would like to buy some zx spectrum 48k games please and not off e-bay before you ask.Is the…
... joysticks and User manuals all for sale at fair prices. You ... and paying through the nose for something daft.
Trouble ... come on here and ask for it - not sure why they ... working spectrum with a working power supply by chance.I cant spell ... -
broken ZX 48K, help neededI have a broken down ZX 48K :cry: The keyboard membrane is almost completely destroyed, and this is what screen shows on power-on: [IMG]http://www.h…
... so, at least the internal power supply is functioning fine - if ... , the internal power supply needs fixing too. Search for TMS4116 datasheet to ... it's either the internal power supply or the lower RAM ( ... if the internal power supply has failed it will kill ... -
"Upgraded" broadbandTo cut a long story short, I have just had my broadband speed upgraded from 1meg to 5meg (it was free). Having just spent over an hour setting up the…
... care to ensure that the power supply inside them gives clean DC ... power. Real-world data communications stuff ... but it could drastically if for example he had his modem ... worst things you can have for line noise. -
"Upgraded" broadbandTo cut a long story short, I have just had my broadband speed upgraded from 1meg to 5meg (it was free). Having just spent over an hour setting up the…
... broadband router. Sure his house supply won't be a perfect ... line noise coming up the power supply wire is likely to be ... apartment with really desperate electricity supply problems - so bad, the ... electricity wasn't really fit for purpose. However, it never ... -
Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... America use a regular PC power supply. Since i don't like ... regular 9V DC ac adapter for my 48K and it works ... great. For my +2A I got a ... adapter that was used to power an external USB hard drive ... 't have the -12V (needed for RS232 comm) but it has ... -
Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…
... an extra 5V power supply.[/QUOTE]
Thanks for the manual. On ... not a problem with the power supply :(
[QUOTE ... debugging first. Your existing power supply is just sagging because the ... outside plate of the power supply connector is connected to ... -
One's speccy is unwell, can anybody help?Hi chaps! This would be my first post here, so hello to all :smile: I've got a 128+ heatsink speccy that seems to have a display issue whereby after…
... /> Anyway, the voltages from the power-supply should always be checked when ... /> Hi Pilsener
Sorry for not getting back sooner, last ... -
I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…
... H-bridge for controlling the motors (and probably an external power supply). The ... own with power MOSFETs.
2. A chip for port decoding ... power supply, and a ground plane to supress external noise. On breadboard, for ... -
Buzzing SpectrumPicked up a Spectrum + (48k) today at a car boot, for 3 quid:-P On the plus side it does work, however it does buzz pretty bad. What normally causes …
... /> As for the hissing noise from the switch mode power supply, they all ... one. The frequency of the power supply is audio frequency (modern switchers ... Li-Poly charger I have for my RC batteries makes a ... -
Buzzing SpectrumPicked up a Spectrum + (48k) today at a car boot, for 3 quid:-P On the plus side it does work, however it does buzz pretty bad. What normally causes …
... /> As for the hissing noise from the switch mode power supply, they all ... one. The frequency of the power supply is audio frequency (modern switchers ... Li-Poly charger I have for my RC batteries makes a ... -
computer diesarrgh omg help me quick today, my computer crashed quite suddenly after loading up a binary of "google earth". generally I compile all my software b…
... actually drain so much power that I need to ... much the minimum to power the graphics card as ... br />
A big power supply allows you to push a ... machine without risking power drops and cut outs.< ... they've been written specifically for them - and most aren ... -
Currah Microspeech problemI recently bought a Currah Microspeech for my rubber keyed 48k from Ebay, it works fine when plugged directly into the back of the speccy. But if the…
... it should work fine. For a start, try gently ... been in the attic for a while, and the ... (with just the Microspeech) for an hour or so, ... warm. Then disconnect the power supply, re-assemble with the ... inbetween, then reconnect the power. You never know, it ... -
Build your own Pentagon 1024SLAlexey aka KingOfEvil was so kind to give me an english manual for the Pentagon with most (except for the floppy controller) chips adapted to "wester…
... be finding a nice case for the computer, as it won ... more wrong with the 12V supply and one of the audio ... any cooling]) ... which is enough for now. I'll still try ... the problem with the 12V power supply. But we're getting there ... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... , should improove the behaviour for a Spectrum computer or a ... (undesired signals) on the power supply of modulator or video circuitry ...
First see if the power supply at modulator or video circuit ... good ones as spare parts for VCRs.
... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... adjust synchronization circuitry for best stable picture.
For Odious, try ... (undesired signals) on the power supply of modulator or video circuitry ... good ones as spare parts for VCRs.
Ingo.[/quote ... Same problems.
Thanks for the tips. -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... /> [B]so make sure the power supply does not produce 50 Hz ... ] - How can it be tested for noise?
[B]in ... pc 200.
Thanks for the tips.
:???: -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... /> [B]so make sure the power supply does not produce 50 Hz ... ] - How can it be tested for noise?
[B]in ... caused by 50/100 Hz power supply.
You did test ... -
ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p
... may be handy to know for getting other software to work ... for emulation development purposes. I just plug in a compatible Australian power supply ... -
Post your computer stupiditiesI used to check this site out quite a lot [url]http://www.rinkworks.com/stupid/[/url] but it doesnt get updated much. So i was wondering what stu…
Motherboard spacer screws are given for a reason.
Still, the thick blue spark coming out of the power supply was quite impressive.
It was my first ever full computer build :) -
Post your computer stupiditiesI used to check this site out quite a lot [url]http://www.rinkworks.com/stupid/[/url] but it doesnt get updated much. So i was wondering what stu…
... ]Motherboard spacer screws are given for a reason.
Still ... spark coming out of the power supply was quite impressive.
for HW. He turned it off ... -
Post your computer stupiditiesI used to check this site out quite a lot [url]http://www.rinkworks.com/stupid/[/url] but it doesnt get updated much. So i was wondering what stu…
... ]Motherboard spacer screws are given for a reason.
Still ... spark coming out of the power supply was quite impressive.
+3 and amstrad 6128 disk b port compatibility questionAfter having read many web pages, secarica's long text and guesser's ascii-art diagrams for connecting a pc floppy to +3 drive B slot, I found myself…
... 3.5" and one for motherboard). Just consider the ... connector for motherboard and put ... red cable "far" from power supply (unlike you connect on ... red cable far from power connector, because the Shugart ... a PC-AT style power supply or a compatible ...Found 128k +2 in the garbageHey there, I had a 48k Plus when I was a kid (still have, actually), and used to play in a friends 128k +2, so I know the basic of these computers. …
... a black case? Is the power connector the same type as ... power connector as on the 48k you can use a 48k supply ... edge connector which uses also power. If you like to get ... capacitor inside the power supply by a bigger one (for example 6800µF ...Power supplyDoes anyone have a power supply for a 48k they are willing to part with, or swap for a Pro 5000 joystick?
The URL has changed: [url]http://www.clive.nl/retro-computer-hardware[/url]
URL for the PSU: [url]http://www.clive.nl/retro-computer-hardware/power-supply-psu-sinclair-zx-spectrum-16k-48k[/url]Found 128k +2 in the garbageHey there, I had a 48k Plus when I was a kid (still have, actually), and used to play in a friends 128k +2, so I know the basic of these computers. …
... (a bit damaged) and a power supply. Perfectly working. I thought if ... it an "old" videogame system for sons now grown-up.
for just Eur 25 ($40).
What computing platforms do you have in the house?Just took delivery of my first Mac so now in our house we have: Study: HP Compaq desktop running XP Living room: Dell laptop running Vista (spit)…
... borked PCB for spares), toastrack 128K (awaiting repair - duff internal power supply), Spectrum ... ) with Fedora 7 - "bench" computer for electronics (displaying schematics and PCB ... . I have a vt320 terminal for that very use :-)
What computing platforms do you have in the house?Just took delivery of my first Mac so now in our house we have: Study: HP Compaq desktop running XP Living room: Dell laptop running Vista (spit)…
For those of you who wrote ' ... someone who could repair it for you? Unless it's a ... -installing it), checking the memory, power supply, hd, etc.
