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Sinclair/Spectrum magazines - Issue 1Hi, I was looking for some help as at present I am trying to obtain issue 1 copies of Spectrum related magazines. So far I have first issue copies o…
... I am trying to obtain issue 1 copies of Spectrum related ... . So far I have first issue copies of:
Crash ... about Sinclair Answers. I believe issue 1 was published in September ... . I also believe that only two issues were ever produced.
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... lucky enough to buy an Issue One 16k rubber key the ... 't know it was an Issue One till I opened it ... the odd white pixel or two in the black bars. There ...+2 issue oneI can't remember seeing this model board before, so here we go: [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_153957.jpg[/IMG] [IMG]http…
... poor quality: my PC crashed two days ago due to bloody ... common issue 3 board in the +2.
I have two of ...Issue 4A issuesHi all, I've been trying to get the Issue 4A board that came DOA with the case I purchased for my Frankenspectrum to work. I've recapped and socket…
... been trying to get the Issue 4A board that came DOA ... in reset). I've tried two other Z80's with the ... ULA works fine in my Issue 3.
I've ...Issue 4A repair attemptI think I need some help. I have a nice Issue 4A main board here, which does not give out any video signal. I checked some voltages (the ones that se…
... help. I have a nice Issue 4A main board here, which ... it. Now I have the two voltages, but still no picture ...Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... .
I have an Issue 3 board here. When I ... 127?!?
I uploaded two photos (with and without heatsink ...Two more faulty onesCould I get your opinion on these two faults, please? Understanding these two cases would be very beneficial for my ZX education. Thanks! - A Spectr…
... opinion on these two faults, please? Understanding these two cases would be ... . Thanks!
- A Spectrum+ Issue 4S has been composite modded ...Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... is came from a laboratory DC power supply set to 10V ... . The most interesting is the ISSUE 6A board... sometimes the vertical ... . Nothing is changed between the two states, only the the power ... phenomena is a darker shadow two pixels above and maybe 1 ...DIY Issue 1 Internal 32K RAM expansionFollowing on from the information in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40173"]this[/URL] thread, I finally figured this ou…
... a stripboard version of the Issue 1 internal RAM module.
Issue 1 board are available from ... ][/I]
I used two chips for this, a CY62256PLL ... across power connections to the two chips, but it's a ...Using VAC PSU in DC deviceHaving fixed the dead Issue 3B, I began to wonder about the PSU that came with it. It was pretty obvious what had killed the poor Spectrum as the PSU…
Having fixed the dead Issue 3B, I began to wonder ... current is supplied to a DC device?
Well, whatever ...+2A: issue 1 no sound but better picture than issue 4?Hello everyone. I have a slight problem here and I am trying to figure out what could be wrong. :-( I have two spectrum +2A with two board revision…
... +2A with two board revisions, one is a 1988 issue 1 and ... modulator as expected.
Issue 1 uses a MC1376P but ... spectrums), whereas RF output from issue 4 board, even with C24 ... be slight diferences between issue 1 and issue 4 that actually explain ...Best version of SE Basic for use in real 48K machineAs title really. :) I did a search but I'm still confused a bit. :( I've seen a few versions, namely 'SE Basic 0.80a' which has the nice 'bar' abov…
... get to work as its two rom images.
I ... socket should not be an issue. :)
As a ... get a 7805 (7905?) direct DC regulator to do away with ...Issue 6 repair with a twist...(Starting with a slight grump - the forum ate my first attempt at this so this'll probably end up being a bit terse :)) I got a Issue 6 48K machine …
... />
I got a Issue 6 48K machine in a ... if there was an issue with the address or data ... Now suspecting a lower RAM issue, I entered and ran a ... expected to catch this issue is the random fill ... which this board resides has two stamped serial numbers:
...Issue 2 Spectrum - Black screenHi I have an issue 2 spectrum which I'm having some issues with. I bought it on ebay so have no idea of the history or how it came to be broken. Whe…
...
I have an issue 2 spectrum which I'm ... the fault stayed with those two locations (IC7 & IC16)
Issue 3 Spectrum that was also ...Issue 2 Upper Ram, Loading & ResettingI have a 48k Issue 2 Speccy and for the life of me can't track down what the problem is with it. I initially thought that some of the uppe ram ic's w…
I have a 48k Issue 2 Speccy and for the ... known good ram from another Issue 2, same chips with same ... as I swapped and changed two lots of known good chips ...Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... I think is a RAM issue.
I used to ... RAM page 5 has an issue.
Here?s a ... /> I have ordered and received two of those (though I may ... same time? It's an Issue 3 PCB.
[I ... being incorrectly mounted on the Issue 3 PCB. I can't ...Whites are yellow - 48k Issue 2I have a 48k issue 2 that appears to be working fine. I've replaced all but 2 of the electrolytic caps (mostly because the 2 were not in stock at my…
I have a 48k issue 2 that appears to be ... 'm going try replace the two trimmers (TR1/2) - ZTX 313 ...SAM Revival magazine issue 25 now out!It's finally out! * SAM Revival issue 25 - 56 pages packed with SAM Coupe goodies for the 25th Anniversary of the computer. * Brand new SAM Robot…
... out!
* SAM Revival issue 25 - 56 pages packed with ... up this gigantic 56 page issue of the magazine.
issue 25 comes with not just one, but two cover disks ... ... Hmmmm!
SAM Revival issue 25 costs £4.99 with ...Faulty Issue 1Hi all, thought I'd document my efforts in getting another speccy working. I've never done this before so please bear with me... I recently took a p…
... 7805 with a Traco Power DC-DC convertor. Power on and I ... .worldofspectrum.org/forums/discussion/51557/issue-1-schematics#latest"]here[/url ... (are these compatible with this issue - coz they ain't what ... is that compatible with the Issue 1 motherboard?Spectrum ISSUE 5 exists - picture attachedIt has been published in the spanish va-de-retro forum by the user "eltargui". He repaired the computer two years ago and took this picture but he ha…
... "eltargui". He repaired the computer two years ago and took this ... /tyxciald25xekjd/Issue5small.jpg?dl=0"]ISSUE 5 small[/url]
[url ... /fxvdpw7oe5yerj5/Issue5.jpg?dl=0"]ISSUE 5 Higher resolution[/url]
Issue 3B turning offI'm trying to save a Spectrum Issue 3B. I restored the power supply section, changing the 7805, TR4, and TR5, besides all electrolytic capacitors. No…
... trying to save a Spectrum Issue 3B. I restored the power ... works for about one or two minutes, then it turns off ...Upper memory issueZX Spectrum 48K, issue 2, boots fine. Lower RAM OK. When tested with the new test ROM in the Diagboard, for all upper RAM tests "FAIL" is shown. I…
ZX Spectrum 48K, issue 2, boots fine.
Lower ... problem.
IC22 is socketed two, if I take out the ... 's (5C112E) with another, working, issue 2 PCB.
Replaced ...Retro Gamer's star letter (issue 164)The star letter in this month's Retro Gamer (issue 164) "[i]Dear RG, What on earth has happened to the Spectrum community? Sites such as World …
... this month's Retro Gamer (issue 164)
"[i ... surrounding the new Vega (with two camps forming) so it’s ...Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
... /> I just got a 16K Issue 2 Speccy from eBay. It ... . Then however I noticed an issue with TV signal which normally ... composite mod were the only two things I messed with, everything ... . Please see the two videos - one showing the issue with TV signal ...Issue 2 colour quality modsI think this question must have been asked before but my choices of search terms can't find an answer. In the service manual under Issue 2 modific…
... /> In the service manual under Issue 2 modifications it says:
Issue 2 boards or are there ... just curious as I have two Issue 2 mobos with the original ...Converting Issue 2 keyboard games to Issue 3Dipping back into the World of Spectrum (and no, not just this site) I was wondering if I could do a machine code job myself without having any under…
... others) - which required an Issue 2 keyboard to gain any ... I've only ever had Issue 3 (and beyond) ... are being checked but only two values are returned - possibly ... V and B on Issue 2 and 3 respectively) ... other programs that require an Issue 2 keyboard to work, ...Sinclair User issue 127: Great Eight 16 - what happened?I've been trying to make sure I have an as-near-to-complete-as-possible collection of Crash, Sinclair User and Your Sinclair covertapes (at least as …
... MIA on WOS is SU issue 127: Great Eight 16, which ... and two from YS that are provided this way, but SU issue ...Help request for an injured Issue 4A spectrumHi folks, I'm hoping to resurrect an issue 4A spectrum that has been in my hoard for a couple of decades since buying it for spares. Someone ha…
... 'm hoping to resurrect an issue 4A spectrum that has been ... had tried to instigate the DC-DC mod on it at some ...48k issue 4B display problem etchi,, i have a zx spectrum 48k issue 4B with a display issue it has wavy lines in both the border and paper,some colours seem worse than others ie red…
... zx spectrum 48k issue 4B with a display issue it has wavy ... a few hours ..could these two problems be linked. it has ... composite mod with the same issue.. i have tried everything short ...12V missing on an issue 3I’ve been working on an issue 3 Spectrum +. It shows thin distorted vertical stripes on bootup. +5 and -5V are all right but the 12V line measures ro…
... ’ve been working on an issue 3 Spectrum +. It shows thin ... the 12V line measures roughly two volts. I’ve already desoldered ...
