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Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…
... .blogspot.com/2008/11/zx-spectrum-composite-video-mod.html"]here ... would be to check the power supply voltages. You should have at ... the Spectrum internally generates +12 and -5V from this (check at supply ... -
Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…
... .blogspot.com/2008/11/zx-spectrum-composite-video-mod.html"]here ... would be to check the power supply voltages. You should have at ... the Spectrum internally generates +12 and -5V from this (check at supply ... -
Any help appreciatedHello, I notice that people have posted their PC related hardware and software woes on this forum before and the more technically minded among you h…
... it might just be a power supply prob. one of the wires ... />
if you buy a new one you can always use ... -
Colour clash on the Commode64?Was there any? Every now and again, I see a screen shot like this... [img]http://www.lemon64.com/games/screenshots/full/j/jack_the_nipper_02.gif[/i…
... ;385732]Same processor as the Spectrum...[/QUOTE]
Really? Well ... -production AMIGA, that had a power supply in a large metal coffee ... put me back on the Spectrum!
ARSE ... -
Colour clash on the Commode64?Was there any? Every now and again, I see a screen shot like this... [img]http://www.lemon64.com/games/screenshots/full/j/jack_the_nipper_02.gif[/i…
... -production AMIGA, that had a power supply in a large metal coffee ... put me back on the Spectrum!
ARSE![/QUOTE]
I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …
... 't have a 9V power supply for the ZX Spectrum, but only a ...I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …
... a transistor buffer in the Spectrum. Don't know if that ... 't have a 9V power supply for the ZX Spectrum, but only a ...James Bond 007 Action PackThe [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0011292"]James Bond 007 Action Pack[/URL] is currently listed just as a tape, but I am tol…
... />
Power supply.
Computer Instruction Manual.
ZX Spectrum + 2 ...James Bond 007 Action PackThe [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0011292"]James Bond 007 Action Pack[/URL] is currently listed just as a tape, but I am tol…
... />
Power supply.
Computer Instruction Manual.
ZX Spectrum + 2 ...+3e Roms for saleTo all European (not-UK) users: I will burn the +3e roms for you (last release). Just please let me know how version you need. If you don't specify,…
... shipping+insurance.
-Spectrum +3e with eproms burned and ... installed. Customer pays for Spectrum +3 plus eprom burning + ... customer, even if the power supply is not shipped :-o< ... country), with or without power supply, and with or without ...WANTED: ZX Spectrum 48kHi, I'm looking for a ZX Spectrum 48k. I am looking for a basic system with a Kempston Interface. Everything else I can find here in America. Yes, ev…
... 'm going to mod the Spectrum for composite. I have a ... buy an off the shelf power supply from radio shack, that's ...Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …
... that something is loading the power supply circuit down if it is ... ]non[/I]-functional Spectrum. But it's alright to power up the ... board in that state & check supply voltages ... , I'd recommend that. A Spectrum without the upper 32K RAM ...Spectrum 48k Fault - anybody seen this before?Hello, I have two 48k spectrums that exhibit the same fault. Black border, paper area is full of columns of wavey lines. I have posted a screen sho…
The spectrum I bought yesterday is the ... a post I made "fragged spectrum +" where winston gives a bit ... ]http://www.alioth.net/Projects/Spectrum-Diag/[/url]
what ... and the small switch mode power supply that get damaged by bad ...PentEvo/ZX Evolution PreviewCheck this -> [url]http://www.youtube.com/user/3ASOFT[/url] some Videos showing the PentEvo/ZXEvo ([url]http://www.nedopc.com/zxevo/zxevo.php[/url])…
... power supply issue can also be worked around.
Using a Spectrum ...Alternative power supply for a +2B?Hi friends, On impulse, I recently bought a ZX Spectrum +2 (unit only, untested) on eBay, thinking that the cables (specifically the power supply) o…
... of these power supplies carry the same voltages a Spectrum needs nor ... ATX power supply. These have all votages you need for a Spectrum +2 ... to use a small HD power supply that you can get on ... the end of the ATX power supply cabling), that you can rewire ...IDE controllerRecent time I have problems with my ide hdds. I turn on the computer, and the bios won't detect both primary ide drives. Then I open case, pull out a…
No new devices added for ages, I just pulled off the case power supply, then after unsuccessfull swapping for other one, I've returned it back. I am going to clear cmos..ZX Spectrum + Revision b Power IssueHi all, I'm trying to repair a ZXSpectrum + revision 3b and at the moment the -5v is missing from the board. I've replaced the TR4 and will be soon…
... (usually called a switch mode power supply) makes the -5v. However, ... your -5v supply.
A switch mode power supply requires an ... - if the -5v supply has failed at any time ... t present when any other supply is present. You may ... prone IC in the Spectrum.Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…
... be mapped on an unmodified Spectrum - between 0x0000 and 0x3FFF ... Way to do memory for Spectrum peripherals.
Personally ... added to ensure the power supply is stable before allowing ... system. For example, the Spectrum loads the Spectranet's firmware ...zx spectrum 128K+2(gray)-vanishing colorsHi, I just got "new" zx spectrum 128k+2(gray) made in uk version. Beside tape dead and memory issue - only first 16k RAM works in 48k mode, it has s…
... , the TEA2000 recieves not enough power on startup. maybe there is ... stabilising the +12Volt line, Which power Supply do you have? The original ... ) or a Spectrum +/128+ Supply (1.85Amp) or old 48K Supply (1.4 ...ZX Spectrum Power SupplyHi All, I've come across a power supply that is currently registering 14.5v before it is plugged into the Speccy. I have another one that registers…
The Spectrum power supply block is just a transformer and some diodes so not regulated in any way so it will not be unusual to see weird voltages with no load.ZX Spectrum Power SupplyHi All, I've come across a power supply that is currently registering 14.5v before it is plugged into the Speccy. I have another one that registers…
[QUOTE=IN31;424830]The Spectrum power supply block is just a transformer ... better buying a modern regulated power adaptor for my Spectrums?
Moggy Adventure (Mojon Twins, 48K)After travelling across the world to become a gentleball and leave all his vices behind (mainly alcohol and the riverside weeds, but rumours suggest …
Great to see new game on Spectrum !
Mojon Twins are ... confess that I underestimated the power of that compiled C, that ... weeks to create a quality Spectrum game. Writing something similar in ...Which reset method on ZX 48K?What reset method is correct on issue 3b ZX 48K: One wire to R68 and one to C27 (Manual from ZX Spectrum +) or One wire to Pin 26 from CPU and one …
... could buy a small low power amp kit (e.g. K8066 ... or external power supply - although you could also power it from the spectrum's ...Which reset method on ZX 48K?What reset method is correct on issue 3b ZX 48K: One wire to R68 and one to C27 (Manual from ZX Spectrum +) or One wire to Pin 26 from CPU and one …
... could buy a small low power amp kit (e.g. K8066 ... or external power supply - although you could also power it from the spectrum's ... in use. (I use my Spectrum 80s style on our coffee ...Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
... chip, MC1377p. First look the power supply line at pin 14, it ... is the same from 48K spectrum.What these?While I was scanning some material from Eric Deeson I came across a couple of pieces of hardware I haven't seen before. [url]ftp://ftp.worldofspectr…
... ; number, perhaps enough to power a Spectrum for a number of [I ... ]. The stuff behind/under the Spectrum would then be something like ... is to create a portable power supply, a few lead or NiCd ... wiring. :-? For any type of power supply, a few thick wires would ...Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... I] lower and upper RAM, power supply for the video part re ... [URL=http://bitcycle.org/retro/spectrum/SRAM_replacement/]here[/URL].
< ... components less than a standard Spectrum 48K, and it is 100 ... ripple voltage on unregulated DC supply doesn't seem to ...My 1st CPLD project using the Xilinx XC9536Title says it all - for those of you who are considering the use of a CPLD or FPGA (programmable logic) in your electronics ventures, I've documented…
... based ULA replacement - the Spectrum ULA just fits in ... 5 volt TTL, which the Spectrum is).
... a good low impedance power supply. I use two 0 ... get them to each supply pin. This becomes more ... enough oompfh to drive the Spectrum's bus adequately - ...Spectrum+ from ebayI recently received a Spectrum+ that I bought off ebay for about ?10 including postage. I have not tested it yet but had a quick look inside through …
... objects. Suppose you have a Spectrum hooked up to a TV ... + power supply first, and any discharge will be between [you] and [Spectrum] which ... first (connected to modulator case = Spectrum's ground), and remaining discharge ...Two Odd Spectrum 128K FaultsI also have 2 Spectrum+128 machines with heatsinks. 1. Did not power up properly - I replaced the 7805 regulator and cleaned the edge connector and …
... interface to work with your Spectrum 128?
[QUOTE=rwap ... /> Are you using official Spectrum 128k power pack? If not, is it ... ? If it isn't the power supply, then the next port of ... probably the power socket on the back of the Spectrum as you ...
