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ZX Spectrum 48k issue 3b power problem?Hi :) I was lucky enough to find a couple of ZX Spectrums at a car boot sale yesterday. I spent the evening fiddling about with one (issue 2) and t…
... the coil near where the power lead goes in during this ... wondering if this is a power issue? Its like it is ... deliberately cutting off its own power.
Thanks in advance ... -
RGB to S-Video and Composite Adapterif I produced a dongle that generated composite and s-video from the RGB socket on +3 and Black +2 spectrums would anyone be interested? I'm thinkin…
... speccy. I have built a circuit, and it works, but it ... a kit like that as replacing the TEA2000 is very painful ... -
128 Toastrack power supplyHi! Should Toastrack work with rubber key Spectrum power supply or does it need it's own one? Is Toastrack RF modulator same as in rubber key model?…
Hi!
Should Toastrack work with rubber key Spectrum power supply or does it need it's own one?
Is Toastrack RF modulator same as in rubber key model? So can I use rubber key modulator in Toastrack?
Thanks!
Ippe -
Cobra (improved BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000996"]Cobra[/URL], please replace the "known errors" de…
... when you have the invincibility power-up causes the game to ... -release solved this problem by replacing this routine with a fixed ... -
QL Power supplyIs there any alternative power supply for Sinclair QL? Michael
Is there any alternative power supply for Sinclair QL?
Michael -
Power Supply fuse ratingHi, I've hunted about a good bit but not been able to track down any info, so: I am sorting out my spectrum power supplies just now and want to mak…
... am sorting out my spectrum power supplies just now and want ... fuse rating be for the power supplies for:
ZX81
Alphacom 32 Printer - Power supplyI've just received a Alphacom 32 Printer via ebay. However, its not the correct power supply, doesnt even connect to the printer. Just been stuck in …
... /> However, its not the correct power supply, doesnt even connect to ... , I need to get a power supply. As far as I ... lead), which plugs into the power supply lead, it needs to ...Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…
... model came with the original power supply which indicates that the ... ? 9v DC however the open circuit (no load) voltage is 14v ... a external 5v (I think) power source.
Q. Would it ... 7805 reg) and also the power unit was running hot.
Another list of games for saleAs promised, heres some more games for sale. PM or whatever if anythings of interest. Box 2 Movie ? Imagine Motor Massacre ? Gremlin Moonstrike ? Mi…
... ? Infogrames
Predator ? Activision
Power Pyramids ? Quicksilva
The Planets ...
Sidewalk ? Infogrames
Short Circuit ? Ocean
Shockway Rider ? FTL ... /> 2 x Pipemania - Empire
Power Drift ? Activision
Predator 2 ...Power Pyramids (missing artist)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003855&loadpics=3"]Power Pyramids[/URL] Loading screen by S.A.V.E (no last period) lower r…
... ?id=0003855&loadpics=3"]Power Pyramids[/URL]
Loading ...I need a circuit building for a Videopac SystemCan anyone help me out and build this circuit? [URL="http://www.ozyr.com/rene/Download/g7000-AV-mod.gif"]http://www.ozyr.com/rene/Download/g7000-AV-m…
... me out and build this circuit?
[URL="http://www.ozyr ...Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…
... some fault in the video circuit but as a first step ... it more likely that the power supplies fails or that some ...Repairing another Issue 2 48K Spectrum.I said at the start of the other thread that I've got another one of these and I've started investigating it. The board is more-or-less exactly the …
... the service manual suggested power supply circuit modifications haven't been ... good as a complete short circuit. I first replaced the ... circuit), carefully noting its different pin out. I applied power ... current through TR4. In circuit, the mini-transformer's ...Power Brick ProblemDear all, i was just Powering up a 48K Rubber Key Speccy using two differnt power bricks. First one from my issue 2 Speccy, second one from an issue…
... Key Speccy using two differnt power bricks. First one from my ... caps.
With first power supply the Speccy works well ... first 5 minutes, until the power brick has warmed up. Then ...Collection Worth Saving?Hi, I've recently been reunited with my childhood collection of spectrum items - a boxed +2, original and a couple of Cheetah joysticks, loads of mag…
... Head over Heels, Cobra, Short Circuit, Frankie, Arkanoid, Wizball, Great Escape ... Tape
Pool Budget
Power Drift Full Price
Professional ... /> Sherlock Full Price
Short Circuit Budget
Sim City Full ...128K heatsink no color in composite video and bad antenna outputI am currently repairing a ZX Spectrum 128K heatsink model. It gives no colors on composite video output, and very bad antenna output. I opened it a…
... I had no 12V.
Replacing the ZTX650 did the job ... is another defect in the power circuitry, as the 9V was ... with the 12V, but the power levels are ok.
Haven ...Power adaptor for a Sinclair 128kHi, just a quick question. Would a 48k spectrum+ power lead work for a 128k Sinclair Speccy, I have both but the power does not work on the 128k, I n…
... question. Would a 48k spectrum+ power lead work for a 128k ... , I have both but the power does not work on the ... the same although the 128k power says 0.115A IN and ... the speccy+. Trying this 48k power adaptor which works would not ...48K's and bad DivIDE compatibilityI have had some 48K boards and complete machines in the past which didn't work fully with a DivIDE interface. The reason for that always was a Z80 pr…
... the same situation, but after replacing the Z80 I still have ... there.
When I power the 48K the DivIDE boots ...Getting absolutely no video from a 128+I'm trying to get a friend's toastrack 128 to show video and I'm not having any luck. I'm in the US, so I don't have access to any TVs that can take …
... XRGB-2+.
The power supply is a modern 110 ... /220V power brick that puts out 9VDC ... worries me. I've tried replacing the TEA2000 chip and doing ...Does a spectrum +2 power supply work on a +3?tiny question, does a spectrum +2 power supply work for a +3?
tiny question, does a spectrum +2 power supply work for a +3?Misbehaving 128K toastrackI acquired a toastrack some time ago off ebay and it worked just nice up until recently. It arrived with no PSU or cables so I paired it with a grey …
... life after disconnecting it from power and then powering it up ... to boot after disconnecting from power and removing any addons connected ... some of the ZTXs need replacing? Anybody with more experience to ...128 k power packSeems my 128 k toast rack needs more power! I am using a 48 k power pack so if anyone has a working 128k one I will be interested.... Would pay or c…
Seems my 128 k toast rack needs more power! I am using a 48 k power pack so if anyone has a working 128k one I will be interested.... Would pay or could swap for the 48k one or for some software ?
Drop me a PM
Thank you!Issue 4S Schematics and DC-DC circuitA while ago I bought a Spectrum 4S that had problems tuning. I removed the RF tuner as I was not going to use it and did the composite mod. It worked…
... finding on the DC-DC circuit. So I just wanted to ... -5V from the DC-DC circuit, and can only run the ...ZX 128k +2 Bad deal - BrokenI recently traded a C64 for a ZX Spectrum 128k +2 (grey model). I sent a fully working C64, with doubles of the tapes I had. I recieved a shabby and …
... in pieces on the circuit board. THe power supply that came with ... be done, have not tried). Circuit board is full of really ...Using an ATX power supply - Spectrum 48kOK... I have an Issue 3 48K model and the DC-DC converter does not work and I can?t make it work. :( There is a MOD to use an ATX power supply on the…
... MOD to use an ATX power supply on the TK90X here ... and +12V direct from the power supply to the TK mainboard ...Suggestion for adding CPC version links to CPC-Power...Well, as the title says, [URL="http://www.cpc-power.com/"]CPC-Power[/URL] is the equivalent to Infoseek in the CPC world, it's a serious project runn…
... , [URL="http://www.cpc-power.com/"]CPC-Power[/URL] is the equivalent ...ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…
... . I also added a small power supply filter made from 10u ... feed the output of the circuit to a transistor amp? Or ... : The voltage divider in the circuit has overall 225 Ohms between ... hotter when i connect the circuit. ULA is over 40C for ...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?ZX Spectrum power supplyHi, I'm looking for a small lightweight power supply that would be a perfect substitute for the original, it's meant for a video patched zx spectrum…
Hi,
I'm looking for a small lightweight power supply that would be a perfect substitute for the original, it's meant for a video patched zx spectrum. Anyone knows where to buy one?
thanksVelesoft's ZX128+2 with 1.5MB memoryMy old ZX128+2 PROFI (grey model - spanish version) for sale here: [url]http://aukro.cz/super-zx-spectrum-128-2-1-5-mb-i2738723874.html[/url] Back s…
... reset circuit. Long and clear reset pulse is active after power-on ... press RESET button and before power-off.
- new ... don't have original ZX power supply, it's only computer ... cables.
Menu after power on:
[img]http://velesoft ...
