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ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... mounting it in a PC power supply box : 1) the "quick and ... ) The "artistic" way where the "mod" is made to llok good ... -socketise them on the PC power supply case? Access to the SD ... -
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... with my particular "PC Power Supply case" mod . If it has ... of the "Dead Cockroach" mod : hence my slightly jokey ... of these are Wall Plug power leads . There is ... this is is easy to mod for a wear-saver though ... /> 2) The Micro USB power connector : this seems to ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... stiffening plate 2) The "Freebird" power supply . This looks different to the ... back in the case : the power supply and the bridge rectifiers 4 ... close ups of the Multiface mod running to the "peripheral through ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... proves this type of NMI mod on the Opus Discovery ... does prove this type of mod works on the relatively unmodified ... which was more extensively repaired power supply wise? This leaves open an ... which include ;- 1) The Multiface mod itself on the Opus" Discovery ... -
Spectrum Cables : How many individual types of these are there "out there" both past and now?So this is all about giving the SPECTRUM cables their correct cable titles to aid IDENTIFICATION OF CABLE TYPE and FUNCTION across the world.. An e…
... tv connection, choosing a composite mod instead. It's not uncommon ... . Only other difference is the power supply units they came with, which ... -
Spectrum 128k 2a or not 2b....Just picked up a +2 black case version and I'm in as little bit of a quagmire, The case is definitely black, has '+2A' stamped on the bottom, but in…
... schematics :) I cant find the mod I was looking at last ... cant power it up yet, no power, could bodge my bench supply up ... but hopefully the mini-itx power supply I brought will turn up ... -
Spectrum 128k 2a or not 2b....Just picked up a +2 black case version and I'm in as little bit of a quagmire, The case is definitely black, has '+2A' stamped on the bottom, but in…
... that because it exposes the power supply if you forget about it ... /> Unless you do a stereo mod to the +2B (cut the ... the aspect/switching. Hence the mod where you cut the trace ... -
Spectrum 128k 2a or not 2b....Just picked up a +2 black case version and I'm in as little bit of a quagmire, The case is definitely black, has '+2A' stamped on the bottom, but in…
... new belt, Atx power supply converted to power it, factory mod has been moved ... -
Youtube ClichesSo YouTube has been around for what seems like a v-long time and has become an integral part of the internet and social media. It has now gotten to t…
... , or altering some code to mod a game, etc) where the ... 't need to remove the power supply after all, so we wasted ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... will take apart the the power supply with reset that came with ... supply with reset button before so it looks like an interesting mod ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... strain off the Opuses own power supply.
But none of ... known whether this was a mod , but the fact that both ... was the case.
POWER SUPPLY MEASUREMENTS
So time ... of case to top of supply) 5.6cm
Width ... -
Interference when using modern PSUMy 48k revision 3 spectrum with a basic 1 wire composite video mod works perfectly with the original power supply. However When I use a modern regula…
... the capacitor in the original power supply so hopefully many years left ... all the electrolytes
Composite MOD
Replaced an upper memory ... -
ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... is: with [i]this[/i] power supply, when the disc drive is ... test bed for the sound mod - which I will be prepared ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... " , the irreversible "fuse like" hardware mod necessary on the Pi 3 ... , Pre-programmed SD card , Pi power supply (5v ,2.5 amp) :::: mSATA ... -
Clamping Speccy InterfacesThere are a huge number of broken Speccy interfaces available . I came across one on Ebay recently said to be "partly working" or similar .Why are th…
... upsetting the Zx Spectrums limited power abilities re addon interfaces .
2) The power aspect . I cannot answer this ... . Can an ordinary Zx Spectrum power supply cope with these 2 interfaces ... or is it best to mod the Spectrum as well (eg ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... it thathe starts talking about power supplies 2 mins in the ... dry joints on the original supply . Then he mentions that using ... supplies not the internal mod.Apparently the original power supply was unregulated to ... -
Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... TV .I took out the mod on the one above .One ... also noticed that my ZX81 power supply produced rather a high output ... -
Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... TV .I took out the mod on the one above .One ... also noticed that my ZX81 power supply produced rather a high output ... -
Spectrum 128k advice neededHi, I'm new to this forum and the spectrum world. I have this spectrum "toastrack" that was working fine until today. It doesn't boot anymore, it s…
... . I own a multimeter, The power supply unloaded gives me 13.25V ... , it has a video output mod because of the TV system ... added a switch to the power supply.
@Your Spec-chum ... locally.
The tv output mod I think is some sort ... -
Anybody got a parts list for an Issue 3b please?I've got a schematic, but does anyone have a parts list with the values just for the resistors and capacitors? Just would save me sometime going thro…
... regulator ? , 3B has that dc mod as well or is that ... set out with the dc mod in mind .. suppose if you ... a lower ram board or mod 4164 ram you could do ... get the 12v from external power supply.. although if the aim is ... -
Two new spectrums arrived. One no video.Got a +2 and a Toastrack arrived today. Toastrack was actually in good condition, little wear, though a little dirty. Worked well on first power up, …
check the composite mod is actually going to the ... and not where the RF mod takes its input .. check voltages ... transistors that are responsible for power circuit that can fail especially ... has stuck a positive center power supply into her .TR4 i think ... -
voltagesAll the Spectrums use a 9V power supply, I think. But would you get away with using a transformer that only gives you 7V?
All the Spectrums use a 9V power supply, I think. But would you get away with using a transformer that only gives you 7V? -
blew up my 128i did it - damn. i accidentally reverted the polarity of the power power supply, so ended up with a blown 5v stabilizer, which i replaced, but there …
... reverted the polarity of the power power supply, so ended up with a ... -
Questions about +2The Spectrum +2 has a built in tape recorder. As I am about to put my hands on ony of those, I have a few questions: first, the +2 power supply the s…
... few questions: first, the +2 power supply the same as the 48k ... -
Stop me from blowing up my original Spectrum 128!I have a Spectrum 128 (not the +2), and I want to play some of those old classic games again. The trouble is this. I still have the original Power Su…
... /> I still have the original Power Supply, which gives the 9V DC ... -
NTSC ZX Spectrum +2 wanted for USAI live in NY USA and I know nothing about electronics. I'm willing to buy a ZX Spectrum +2 that would be prepared to send a NTSC signal (instead of P…
... that. I also need a power supply. I couldn't find one ... -
1 Box full of.....2 x ZX Spectrums (48k) Original Spectrum Manuals ZX Printer (plus 2 sealed rolls of paper) ZX Interface 2 (plus Jet Pac rom cartridge) Atari compatib…
... /> Atari compatible joystick
1 power supply
1 set of Leads ... -
I have...I still have a working ZX-81 plus 16k RAM pack, still in it's box. I also have a ZX Spectrum 48k computer with the Sinclair Microdrive (plus Microdr…
... Spectrum was (and is) the power supply, which is very temperamental and ... as we had a fresh supply of ice-cubes, the computer ... -
You will want this !ZX81 ---- ZX48k --- Spectrum 128 k +2 ---- Tv80 (a very rare pocket TV by sinclair) --- various games ----- ?offers ? Sorry ZX81 sold / ZX48k…
... / ZX48k is ok condition (no power supply) / Spectrum 128 k +2 comes ... with loads of games and power supply / TV80 is good condition and ... -
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