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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 …
... problems with getting to the PCB... Another owner replaced the metal ... rectifiers that scorched the underneath PCB.
In fact I do ... users choose to make a hole in the cover and add ... end still 40 track single side 180k drives were used made ... -
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... at the bottom of the PCB and the socketed chips show ... logic chips (IC 26) is double socketed. When I first saw ... fit the missing one's hole on the socket. I am ... -
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 …
... decision .On the BELT repair side , online I can chose between ... try and measure the exact size of the belt needed and ... plastic support posts for the PCB . Overall though looking back at ... -
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 …
... . The RED connection to the PCB looks a bit dodgy (and ... final verdict on the electrical side of things.
OK ... and even with the "black hole " question (which the Opus itself ... -
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 …
... the limiting effect of the size of the iron laminations / core ... don't have a mounting hole to use to attach to ... the copper tracks on the PCB.
Series voltage regulators ... -
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 …
... place. So idea of drilling hole in the board and attaching ... these blocks the size needed is "floorboard" size as this size will be ... would be sited at either side of the "combo" and would ... to accommodate variations in keyboard size . I am wondering why I ... -
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 …
... right angled black plastic to size so it fits in the ... which will secure both the PCB and the coil block.< ... .
5) The PCB can then be slid onto ... the underneath of the top side of the Maplin box.< ... secondary coils relate to the PCB and the coils on ... -
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 …
... perimeter of the ZX-Uno PCB can be used to ... . And of course the PCB would also have to be ... the PCB around the main chip to be cooled (with a hole ... thick slab of copper the size of a main chip is ... like reset "thingies" for the PCB reset are available ? Does CPC ... -
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 …
... have DOES clear the "square" hole in the stainless steel case ... with say 2 mill either side .
I have dropped ... help to anchor this lightweight PCB and case to the "wraparound ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... case, this attribute shifting could double as one of the (fixed ... , where 2 consecutive attr (side by side), can change color.
The ... span structures can change in size/length, and will have to ... -
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 …
... will have "push fit" screw hole options in the base of ... electrical case of the right size (for example, a stripped ... . This support is placed "double decker" style over the Zx ... the electrical box underneath. The "double decking" approach creates a small ... -
So were the 80's really that great?I should imagine that most of us on WoS were kids during the 80's. I was 6 at the start of the 80's and obviously 16 at the and. Now that is one he…
... knew his way around a PCB and figured out that it ... a little door on the side where you could tune them ... ended up getting a full-size Ferguson one from Rumbelows. It ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... , I setup a mini test PCB for each, with header sockets ... are larger than required chip size, since I didn't have ... the right socket size.
I also made ... />
This is one down side of Wire Wrap technique, if ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... track is on the component side and gets covered by the ... two pins on the solder side afterwards (at least until the ... wire and drilling a hole in the PCB =:-)
Happy hacking ... -
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 …
... renewed on the Opus Discovery PCB. My Veho USB microscope ... the PCB out re riveting the left hand side of the ... as far as its own PCB was concerned : the clever ... right hand side of the Opus . A hole cutter would ... feet, to the bottom side of the under-plate to ... -
Sharpshooter by KobrahsoftI've uploaded a WAV of Sharpshooter to the WoS Facebook group at [url="https://www.facebook.com/groups/WorldOfSpectrum.org/1796577180616946"]https://…
... copy recorded on the other side of the tape is unfortunate ... ? Yes, the final file size will also double. ;-)
Of course, a ... -
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 …
... MDF former ( to mirror the size of the base of the ... I will use it "metal side up" and "bed out" the ... into the MDF , so the PCB will have to be removed ... -
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 …
... difficult to fit the PCB .So today 5 corrective ... easily which helps with PCB removal.5) There is ... in around the relevant PCB hole . Household Evostick type ... plastic pipe surrounding the hole which is already glued ... from getting the right size for the M3 bolts ... -
Anyone fired today?I was today. Been there 10.5 years, but 2/3 of the company has just been sold off and the last 1/3 has to limit their spending, so a fulltime IT g…
... or 3 slits on either side will do.
Oh ... bit, chicken roll, about the size of a CD/DVD in ... 's done coat the read side of the disc in it ... , they would promote you and double your salary ! Have you ever ... -
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 …
... off the beautifully made white PCB inside . It does not ... plastic material ( I like Metal double skinned TANKS!!) . However reworking this ... fitted in : on the first side there is the power connector ... the "White Wonder" as the PCB will no longer be seen ... -
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 …
... of the keyboard and PCB and it keeps it ... ?
4) The Size and Convenience aspect . Although getting ... combo is still a reasonable size . But is it small ... to do with its small size , great authenticity , and ... to sit on one side or other As I ... -
Just a slight bit of track damage...!!!Just a slight bit of track damage to this PCB... These are pictures of the damaged board after stages one and two of cleaning it. [img]https://c1…
... pictures are of the PCB from a 16 year ... in through the screw mounting hole. Because it is in ... water. So on that side, the LEDs continued to ... through part of the copper PCB track, causing that half ... to replace it, further PCB track and component damaged ... -
Spectrum USB KeyboardI know you can buy these but how do you make one . What I am thinking of be similar to the type described in Issue 1352 of Micro Mart at page 45 .The…
... twisting off the tiny PCB held on with double sided tape . As ... plug would catch on the side of the bag and it ... thing" and twist off the PCB.The solution of course is ... to have a proper sized PCB but this is not available ... -
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 …
... in the centre of the PCB . Instead I focused on ... Cockroach" even as a bare PCB . The layout is better ... top ranking because of the PCB quality
... " more on the software side . I like this as ... -Uno . The larger size of the PCB , the excellence of the ... -
Spectrum +2 grey RF removalHi everyone. If I were to remove RF output from a +2, just intending to keep Composite video out from TEA2000, then all the components that make t…
... with the wires cut to size (red -12Va, blue - chrominance). ... beforehand the locations on the pcb which looked better for ... /> I picked chrominance from the "hole" right next to D5 (which ... aspect of finished modification to pcb.
[URL=http:// ... -
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 …
... had added cable on one side so I thought I could ... Type 1 is a different size from the plastic board used ... the cable connector on the PCB)
So I ... 48k case (after redoing the PCB connectors) which will free ... do not know why one side of the cable can ... -
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 …
... were sold as a bare PCB (ie caseless) and nothing ... the polystyrene to the exact size of the original interface . ... should be the EXACT size of the existing interface ... it out from either side.so it can be ... the two surfaces either side were thin layers of a ... -
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 …
... of a PC -this flattened side will be screwed under the ... be varied according to the size of interface used . So the ... plate can be varied in size at the back . It has ... 3) then into the drill hole points on the upper case ... -
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…
... keyboard had widened out the PCB membrane connectors and these ... soldered in PCB connectors are now not ... is self adhesive on one side) . I carefully lined it ... that needs careful fitting with double sided adhesive tape.
< ... -
Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…
... , i've double checked and fine tuned some mount hole alignments and ... the overall board size so that ... else i also want to double check before making a load ...
