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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 …
... , I used before ( as double sided double density drives) and which I ... with the two of them side by side on the Opus drive ... -
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 …
... both sides of the main PCB . Snip pin 14A where ... then down to the Opus PCB) Carefully desolder the remains ... pin and remove from the PCB. It helps to heat ... likely you will damage the double sided tracking. Insert a ... or red end towards the PCB in place of the ... -
Star Wars with sound?Has anyone done a mod of 'Star Wars' to put in sound? (preferably AY) I was reading an interview with vector grafix in the latest 'retro Gamer' mag…
... label is only on one side.
Saying that though... I ... and load both sides and double check.
Unless Binman has ... -
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 ... -
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…
... don't know why the double socketed chip is there. Here ... a few photos of the PCB, the upper RAM chips (all ... -
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 ... plastic support posts for the PCB . Overall though looking back at ... -
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…
... again repeatedly? I used Poundland double sided foam tape to stick ... plywood base . This worked . The PCB plastic lug retainers however also ... this method of mounting the PCB will allow for the USB ... -
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…
... numeric keypad . K4MII on the PCB . There is a version with ... issues I previously mentioned about double keypresses . Your version shouldn't ... of fixing it . But this PCB was designed originally for a ... -
Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…
... : drv1, drv2, unused, unused, side2, double density, printer ready, joystick on ... asked for (both at drive-side) then Data Req on the ... -
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 …
... rated insulation and the negative side of the supply (also ... low voltage wiring on the PCB did not meet the ... The wires from the PCB to the mains pins could ... break free from the PCB and there was nothing ... voltage circuitry section of the PCB. Based on this, 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 …
... intrude well into the top side of the pan with the ... a securing device . Also one side of the pan will need ... that the wires from the PCB to the adapted heatsink/regulator ... slightly unusual connection to the PCB . I need to check 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 …
... the PCB between the mains side and the low voltage output side is ... that means a new, redesigned PCB.
Then there is ... -
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 top side of the PCB[URL=http://s827.photobucket.com/user/harriusherbartio/media/003_zpsoig9zeus.jpg.html][IMG]http://i827.photobucket.com/albums/zz200/harriusherbartio/003_zpsoig9zeus.jpg[/IMG][/URL] -
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 ... -
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 …
... is no mention of the PCB tracks being too close together ... the mains side and the low voltage side on the PCB is nice ... mains to the low voltage side though.
[quote=" ... it , designed it ,produced the PCB , assembled it all , marketed it ... -
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 …
... or circuitry on the mains side of the transformer? I cant ... this would have improved the PCB track clearance/creapage distance. A ... , as the rest of the PCB is okay.
[10] The ... filtering on the input (mains) side. A good design would 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 …
... is in contact with the PCB whereas the smaller heatsink of ... -12 (ChengX)
The top side of the MJ-1250 appears ... be "less populated"
The PCB of the MJ-1250 is ... an inch longer than the PCB of the SY-0025-12 ... -
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 the output cables
Yes I see what you mean . They could be put on the other side of the PCB to avoid this I think -
Golden Axe II - loading screenNo, I don't plan to port this game to ZX Spectrum. I just drew loading screen. If someone wants to make real game - take it =) [img]http://olegor…
... =0001456]the Spectrum version of Double Dragon[/url], as well as ... possibly the best portrayal of side-scrolling beat 'em ups I ... -
Can you tell me some 128k visibly enhanced game versionsThis should be discussed before, but on search I get to many hits ... I´m more a 48k Spectrum-Man and never owned a 128k at my youth. A frien…
Double dragon 2 has a larger ... area on the 128k version (side b of the tape)
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 …
... one one its side was beginning to etch the PCB so it ...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 inside to the top side of the Opus case means ... ensures easy access to the PCB for repair jobs ,EPROM changes ... elimination of "old concerns" like PCB burn and "under-powering .damage ...i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…
... -7 –Dave & Ansel Collins Double Barrel
2-8 –Bruce ...
2-22 –Barry Biggs Side Show
2-23 –Althea ...i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…
... -7 –Dave & Ansel Collins Double Barrel
2-8 –Bruce ...
2-22 –Barry Biggs Side Show
2-23 –Althea ...arcade gamesa bit offtopic: what arcade games do you play emulated? (i start saying, nothing can compete with cosmic avenger for me. :-) ).
... wonky on the first players side. But other than that, me ... try and get hold of Double Dragon, he said "It's ...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…
... possible solution . Get some old PCB board , cut a hole in ... of the board secured with double sided tape . If I increase ... the surface area for the double sided tape to work , I ... lead , without dislodging the USB PCB . This needs further thought.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 …
Other side of Doubler late version PCB[URL=http://s827.photobucket.com/user/harriusherbartio/media/the%20doubler%20002_zpskhq5kdr8.jpg.html][IMG]http://i827.photobucket.com/albums/zz200/harriusherbartio/the%20doubler%20002_zpskhq5kdr8.jpg[/IMG][/URL]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 …
... riveted on the left hand side underneath base of the case ... the "modularization" of the Opus PCB to aid repair.Everything can ... lid on the left hand side case at the bottom underneath ...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 …
... shows the top of the PCB and the transformer, you can ... of the regulation that requires double insulated items to have all ... transformer is designed to be PCB mounted, there are no other ...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 …
... even in the Speccy software side as well as on this ... hole until I take the PCB out but it may well ...
