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<1…16171819202122…34>
  • ZX Spectrum spare parts : "endangered" and functional "extinctions" only It struck me how some Spectrum spare parts or parts that were used with Spectrums and that were commonly available are no longer available . The em…

    ... " keyboard is with a "PCB plug in connector" (as ... above) to a 48k Spectrum PCB. Could this be done ... the female on on the PCB ? (Gag : there must be ... in to the ZX Spectrum PCB . Once this is done ... back to backed" the female connectors as per my DK thread ...
    harriusherbartio harriusherbartio October 2017 Hardware
  • ZX Spectrum keyboards : all and everything about them and how can the Speccy keyboard be improved? This discussion can include of all the main types of Spectrum keyboard from the past (inc addon / aftermarket) , their strengths and weaknesses , …

    ... the Spectrum "Indian" 8 pin PCB connectors . It was quite easy to ... so that the internal metal connectors could be seen . The machining ... extra length of these metal connectors is not achieved by "bending ...
    harriusherbartio harriusherbartio October 2017 Hardware
  • Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]

    ... - removing perished keyboard membrane fragments from the connectors on the board was ...
    Duwen48k Duwen48k November 2017 Chit chat
  • 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 …

    ... keyboard (with a ZX81 USB PCB inside) . The connector on this ... the cost of the USB connectors will not be high. . It ... need to work out the connectors required for this . I may ... wait till I get the connectors that I have already ordered ...
    harriusherbartio harriusherbartio November 2017 Hardware
  • 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 …

    I used Molex connectors (harvested from old Pcs) for ... Issue E cases as the PCB boards have quite a different ... could not work on the PCB with the transformer being wired ... on my two Issue D PCB boards. .
    harriusherbartio harriusherbartio December 2017 Hardware
  • 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 …

    ... into the "virginal" ZX-Uno PCB and see what happens (a ... "swap back" to an ordinary membrane connector is needed later on ...
    harriusherbartio harriusherbartio December 2017 Hardware
  • 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 …

    A "consensual" union of "the parts"

    The idea of course is to have "original" type membrane plugging into the "new and pure" PCB connector of the ZX-Uno XL or XL2 (so no damage done there then)
    harriusherbartio harriusherbartio December 2017 Hardware
  • 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 …

    So it has given some useful inof on how it is made up . It has the membrane attached to a small modern PCB at back LHS . So in theory "membrane errors" are possible just as they were with an original Spectrum. Are they likely though?
    harriusherbartio harriusherbartio March 2018 Hardware
  • 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 …

    ... Google pics which shows the connectors I used)

    My ... another look to see what connectors will be available shortly from ... green cable mod to the PCB done by Antonio 2) A ... one ,with a nice White PCB from the maker Manuferghi : I ...
    harriusherbartio harriusherbartio April 2018 Hardware
  • 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 …

    ... />
    About the Dual EPROM PCB with switch .

    ... board is just a PCB for any 2 Discovery ... put any EPROMS in this PCB (the pics are there: ... fit as the DIL socket connectors have been displaced by ... fit of the Dual ROM PCB's pins. So , either ...
    harriusherbartio harriusherbartio April 2018 Hardware
  • 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 …

    ... connector on the PCB. So having the cheap Sinclair PCB connectors is arguably ... not very useful. (I mean "PCB authenticity" should not be a ...
    harriusherbartio harriusherbartio April 2018 Hardware
  • 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 …

    ... could not see a bare PCB only ,without a cable or ... SCARTs are also called EURO connectors . Maybe they are more common ...
    harriusherbartio harriusherbartio May 2018 Hardware
  • Keyboard mat questionsDoes anyone know if there were different versions of rubber mats on the original 48k speccy's, and whether any were known to have a less tactile (ie.…

    ... connected via the normal keyboard connectors. But I suspect that people ... cables directly to the PCB pads of the connectors instead.

    1024MAK 1024MAK August 2018 Hardware
  • Keyboard mat questionsDoes anyone know if there were different versions of rubber mats on the original 48k speccy's, and whether any were known to have a less tactile (ie.…

    ... to match the speccy's connectors, and a locking DIN socket ... convenient points on the speccy PCB rather than occupy the port ...
    KT3Steve KT3Steve August 2018 Hardware
  • Features that never made it into the SpectrumAlthough kind of a Hardware question (a kind moderator might want to move it, I was 50/50 on where to post it, I don't mind) , I was thinking about t…

    ... my experience, most PCB mounting 2.1mm connectors come with the switch ... of devices with 2.1mm connectors that had one polarity to ...
    1024MAK 1024MAK September 2018 Sinclair Miscellaneous
  • Features that never made it into the SpectrumAlthough kind of a Hardware question (a kind moderator might want to move it, I was 50/50 on where to post it, I don't mind) , I was thinking about t…

    ... the lack of IDE type connectors fitted on the lower edge ... (even though its an early PCB) it had quite a lot ...
    spider spider September 2018 Sinclair Miscellaneous
  • How can I fix a problematic Retroleum Smart Card. I did not do anything "WRONG " with it but I did but it on a flexible cable and this seems to have "upset" it .Since then It does not perform the …

    ... PCB keyboard connector will not be damaged (normally the special DK connectors ... need to recap the Spectrum PCB and generally get it ready ... ) The positioning of the Spectrum PCB could be aligned to suit ...
    harriusherbartio harriusherbartio June 2019 Hardware
  • Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…

    ... supply circuitry on the Spectrums PCB.

    Then, the way ... simply be a defective keyboard membrane. But it could still be ... , both were breaks in the PCB tracks. Once the broken tracks ... fault was a faulty keyboard membrane.

    [b][i]Mark ...
    1024MAK 1024MAK August 2019 Hardware
  • Connectors for new Spectrum expansion port accessories?Hi, for some time I am pondering the feasibility of creating new thingummies (not really sure what the general name is) for plugging into the Spec…

    ... card edge connector) is the PCB itself.
    The receptacle / female ... are the same as ISA connectors. Edge-connectors are/were also extensively ...
    1024MAK 1024MAK September 2019 Hardware
  • How many New Style "Speccy" PCBs are Made to Fit in an "old style" 48K Case? And what are their names? Most of them are produced in small batches so there could be quite a few small variations. Many of these are not produced…

    ... and widen out the connectors on the PCB so this limits the ... . I have made some special connectors for the DK to get ...
    harriusherbartio harriusherbartio October 2019 Hardware
  • How many New Style "Speccy" PCBs are Made to Fit in an "old style" 48K Case? And what are their names? Most of them are produced in small batches so there could be quite a few small variations. Many of these are not produced…

    ... of:-This thread is about PCB parts that a DIYer can ... . [/quote]

    These are PCB only for DIYer and there ... modify the case for extra connectors such as RGB, Joystick or ... .sellmyretro.com/offer/details/js128-pcb-board-36215
    https://www ...
    superfo superfo October 2019 Hardware
  • 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 …

    ... a good keyboard so the PCB was no longer "perfect" I ... to photo how the keyboard connectors are wired up properly and ... the blocks (length of Speccy PCB)

    3)5. ... between blocks (width of Speccy PCB)

    Or put ... in relation to Speccy PCB
    harriusherbartio harriusherbartio February 2020 Hardware
  • 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 …

    ... here is that the keyboard connectors on the DK keyboard widen ... the connector on the Speccy PCB . To avoid damaging further PCBs ... so this Spectrum 128k ( with connectors already widened out) can discconected ...
    harriusherbartio harriusherbartio February 2020 Hardware
  • 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 …

    ... pre-existing widened out keyboard connectors)

    I got ... style 128k ( Amstrad ) PCB's KEYBOARD connectors are already widened out ... of luck with that (no PCB to use for testing) . ... a PCB to use with pre-existing , already widened connectors has ...
    harriusherbartio harriusherbartio February 2020 Hardware
  • 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 …

    ... the v2.2 (small rectangular PCB) has of being difficult to ... /> 1) Apply DK connectors and widen out the connectors on the Tynesoft ... "widening out" of the keyboard connectors.
    harriusherbartio harriusherbartio February 2020 Hardware
  • 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 …

    ... the keyboard membrane extenders. Basically 2 ZX Spectrum keyboard connectors soldered end ...
    harriusherbartio harriusherbartio March 2020 Hardware
  • 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…

    ... project) . I removed the wooden PCB mounting blocks , I had made ... ) the cutouts for the keyboard connectors . I reckon the Speccy rubber ...
    harriusherbartio harriusherbartio March 2020 Hardware
  • 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…

    ... Tynemouth USB kit ( the small PCB one) works in a DK ... prove

    1) The membrane extenders works . Most of the ...
    harriusherbartio harriusherbartio March 2020 Hardware
  • 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…

    ... ,keyboard with a decent membrane then all you need is ... case but with a new membrane

    The ... as it helps hold the PCB in the right place . ... a decent (preferably new ) membrane .If you do do have ... stress the rather thin PCB by plugging it in ...
    harriusherbartio harriusherbartio March 2020 Hardware
  • 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…

    ... to widen out the keyboard connectors on the Tynemouth USB kit ... get round this , However my membrane extenders did not really work ...
    harriusherbartio harriusherbartio March 2020 Hardware
<1…16171819202122…34>

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