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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 …
... adding extension connectors to the PCB to allow easy access to ... connectors 2) The big Maplin PCB extender (see pic well above ... " on applies to this Issue D Discovery PCB . This is probably one ... started work . I molexed the PCB end of the regulator connection ... -
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 …
... wire to go to the PCB. I can do a diagram ... can check that the Discovery issue D is wired how I ... -
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 …
... and the "mains in" to PCB area . Four new cables were ... though.
The Opus Issue D I call "Freebird" was ... -
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 …
A Side Issue, (not an Issue B or D Opus PCB though!!!) :- I am ... -
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 …
... Discovery Case for use with Issue D board
The ... the hole area of the pcb: it was then pre-drilled ... -
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 …
... difference in cases sizes for Issue D boards which are described ... consider!!)
The other issue is the vulnerability of the ... a strain on the Opus PCB though "how much of 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 …
... later . Then I put the PCB back in the case and ... this for sure . My other issue PCB Opus Discovery (I call this ... that had a "burn damaged" PCB -
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 …
... this for sure . My other issue PCB Opus Discovery (I call this ... -
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 …
... Opus Discovery in my piles, Issue D, higher model, large transformer ... original rectifiers (bridges) on the PCB.
The latter does ... -
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 …
... connected" this cable to the PCB . So , as it is ... this a hardware or software issue?
No ... />
The big issue here is the Bridge rectifiers ... Opus has them on the PCB with little "push on " ... But the other regulators (non PCB ) do seem to get ... -
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 …
... of jumpers on the bottom (PCB) of the drive, here a ... there was not only the issue of 'drive select' (DS), but ... -
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 …
... on my Opus No 3 ,Issue D PCB "Freebird" . This one has ... -
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 …
... a small way on my Issue B PCB "Big Brother" Opus and ... -
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 …
... />
From page 13 , Newsletter Issue 9 :"A quick reminder that ... the 12v LM317T off the PCB to where the 5v one ... -
Spectrum 128k +2 (grey) getting started..So, I just received a grey +2 in the mail. I don't know if it's in working condition, but that doesn't really matter. I opened it up and a small r…
... Issues of the Grey model PCB have some manufacturing faults. One ... the composite video output. Which issue board is yours?
Spectrum 128k +2 (grey) getting started..So, I just received a grey +2 in the mail. I don't know if it's in working condition, but that doesn't really matter. I opened it up and a small r…
... Issues of the Grey model PCB have some manufacturing faults. One ... the composite video output. Which issue board is yours?[/quote]
ZX Spectrum +2 broken datacorder? Hi folks, I received two ZX Spectrum128 +2, grey model. One is in excellent condition, powers up, etc. but when you press the datacorder nothing…
... indeed be a drive belt issue - however, do you hear any ... all wires coming from the PCB connector are still attached to ...Spectrum 128k +2 (grey) getting started..So, I just received a grey +2 in the mail. I don't know if it's in working condition, but that doesn't really matter. I opened it up and a small r…
... Issues of the Grey model PCB have some manufacturing faults. One ... the composite video output. Which issue board is yours?[/quote]
ZX Spectrum +2 broken datacorder? Hi folks, I received two ZX Spectrum128 +2, grey model. One is in excellent condition, powers up, etc. but when you press the datacorder nothing…
... indeed be a drive belt issue - however, do you hear any ... all wires coming from the PCB connector are still attached to ... the tape PCB.
B[/quote]
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…
... is actually not an issue 2 but an issue 3. I still ... a few photos of the PCB, the upper RAM chips (all ...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…
... to the end of the PCB. I have never seen anything ... like that on a Spectrum PCB but again I am not ... RAM upgrade kit, intended for issue 2 Spectrums. It'll work ...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 single most disturbing reliability issue in the Discovery is the ... extra power by cutting the PCB track to the Spectrum and ...How R@RE was the 16k Speccy?I'm curious about the ratio of 16K to 48K models sold - the 16K seems to be a pretty rare beast these days. All the people I knew who had 16K Speccys…
... case of the issue 1 board, a plug in PCB module, I ... have a non-Sinclair one). And for the issue ...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 …
... type as one of my Issue Ds . Not much space in ... only limited headroom from the pcb . It can get warm in ...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 …
Compare 2 Issue D Board Opus Histories.
PCB sent for repair with ... the Bridge Rectifiers on the PCB started to melt . ... year. However this later PCB Bridge Rectifier repair did not ... had some weak "flying" PCB tracks that broke off .Last ...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 …
Re My Issue D Opus (see above pic)< ... . The Bridge Rectifiers on the PCB were replaced (again) shortly after ...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 …
... small Opus case with the Issue D board (as per caver99s ... ) the smaller case for the PCB option 3) the "floppies on ...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 …
... why and when a power issue can become especially pertinent : he ... that much . This is an issue as space inside the case ... risk of damage to the PCB is not entirely removed by ... be availalable on the Opus PCB info sheet that I have ...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 …
... labour costs . some of my Issue D variants ( as documented above ... would have required taking the PCB out and virtually rebuilding it ... creating cases for an Opus PCB and getting it too work ... smaller interfaces than the Opus PCB so it will be interesting ...
