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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 have a spare PCB issue D without transformer (obviously no ... /> But i have:
a capacitor blue of 100n over ic5 ... 2 in a system with two drives)????
for restart the ... -
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…
... /> I assume this is an issue 2 Spectrum, in which case ... (or low resistance) between the two windings of the inductor coil ... due to an old electrolytic capacitor taking out the voltage converter ... -
Getting a +3 working again (keyboard & tape socket issues)So, as part of my Spectrum restoration project I will also try to tackle the problem child among my fleet, the +3. PROBLEM ONE: Ever since I firs…
... doing. I know what a capacitor is, for instance; I know ... one to very crudely connect two electrical wires, but it absolutely ... s there.
Where two precariously thin ribbon cables attach ... . Might that also be an issue here?
[ ... -
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 …
The Issue 3 Capacitor Pics
Here is ... use an extra washer or two until the cap is added ... -
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 …
There is two sides to everything
Issue 2 with another bare Issue " board I ... a pity about that Issue 2 it looked to ... had with the Issue 3 and a capacitor that appeared to ... be unprotected. Well there is TWO SIDES TO EVERYTHING! I ... -
48k Issue 6a Very sick indeed.Hi Guys. I have a 48k Issue 6a board that shows a white screen with grey border. The white screen has three black squares spaced equally on the le…
... ok, whats the next potential issue that would give me these ... components involved in generating these two supplies are the "coil" (actually ... circuit as a failed electrolytic capacitor may also cause the transistor ... -
Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…
... quote="guesser;927792"]
ISSUE 2 and ISSUE 4 incorporate that circuit alteration ... the casing) is presumably an issue 4, and the other— ... has C53 fitted, but the capacitor across D6 and VCC on ... this correctly), the only two component that will account for ... -
Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... RAM IC. There are also two or three extra ceramic capacitors ... likely to be an issue if the smoothing capacitor in the PSU ... -
+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... because now we have two half’s of a ... from the peak, the capacitor now converts the charge ... and whatever value the capacitor can hold the voltage ... very, very brief moment two transistors conduct more current ...
The only issue I have is that I ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... capacitor aging appear.
Some examples:
[list][*]ZX81 - only two ... />
Also if an electrolytic capacitor runs warm or hot, or ... to some capacitors on issue 1 and issue 2 ZX Spectrum boards ... -
"Self Isolation" and Speccy PCB repair"These Days" of "home self-isolation" , particularly on rainy days , I reckon I will have more time to hone my Speccy PCB repair skills which are s…
... "properly Korean" Samsung ZX Spectrum Issue 4S with Korean written on ... to do some "bad" drilling! Capacitor 27 near the keyboard connector ... is not needed if the capacitor wire can connect directly . Not ... round to doing the last two caps on the left side ... -
"Self Isolation" and Speccy PCB repair"These Days" of "home self-isolation" , particularly on rainy days , I reckon I will have more time to hone my Speccy PCB repair skills which are s…
... thinking I had 2 Samsung Issue 4S Spectrums . This was ... other Spectrum + was an Issue 4B and not a 4S ... had to do the C79 capacitor ( the one below teft ... 's steadiness . Replacing the capacitor (C2??) in the centre ... up the excess flux (so two jobs in one done) . ... -
Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... Then later on, they found two further problems. First there was ... relevant resistor and on later issue boards, deleted the relevant ... to include a resistor and capacitor in the serial RS232 ... Instead, it ended up with two different ULAs plus a programmable ... -
Using a thermal camera to fix speccy's.Hi All, Thought I'd share another repair... Got a board that collapsed the bench supply straight away ( I run a bench supply and give it just enou…
... .jpg[/img]
That "orange" capacitor behid that hot resistor is ... -img_thermal_1641616660056.jpg[/img]
The two caps near the video modulator ... hotter if there's an issue, such as dead DRAM ) but ... -
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 …
... off the Recap of the Issue 3B
... electronics professional .The last capacitor has now been put in ... has been tested on the Issue 3B . It now presents ... limited to just one or two. And not being afraid ... Speccy after one or two caps have been done.< ... -
Crash Issue WantedI'm after a copy of my favourite Crash issue which is Issue 59 - December 1988. I don't need the tape, because I don't have a real Speccy, but would…
... of my favourite Crash issue which is Issue 59 - December 1988.
issue. It was the first one ... -
Quiz V - the revenge of D`n`C Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game. Ther…
... free with the Nov 87 issue of Your Sinclair magazine that ... point)
2: Two games on one cassette. Fly ... Cartoon series that has had two games written about it, released ... point)
4: Two worlds, the mirror image of ... -
A Question about something that has been bothering me for a while ..First off, I'm new to this forum, so please don't all flame me at once >:) I've had a Speccy since about '85 and started with the rubberkey Spec 48K…
... existance? Or sanity? These are two questions that I ponder. I ... was reviewed in the last issue of Crash! I think it ... to hurt form thinking in two realities.
Thank you ... -
Where is my speccy now?Hi all, About 2 or 3 years ago, to somebody here in the UK, I sold my entire speccy collection which consisted of two or three 48k Issue 2 (full uni…
... collection which consisted of two or three 48k Issue 2 (full units ... -
ANN: Spectaculator 2.5 available for downloadHi. I've just released a new version of Spectaculator, available from [url="http://www.spectaculator.com/"]http://www.spectaculator.com/[/url]. Hopef…
... interrupt frequency problem).
Latest issue of Technician Ted from the ... files are divided up into two
second blocks so you ... -
Quiz - my first attempt!And so it is! My first attempt at a quiz... 1. All answers give 1 point unless otherwise stated, for a total of 33 points. 2. Give your answers excl…
... the game and the SU issue with which it was given ... the game.
20. Two rival wizard brothers try to ... . In this game you meet two twin sisters, a good one ... -
Sinclair Gebruiker magazine, Issue 1I picked up this Dutch magazine today (with some other misc Speccy gear...) and it appears to be the first issue, November 1984; printed by "Micro Pr…
... appears to be the first issue, November 1984; printed by "Micro ... -
Funniest Speccy related memoryOkay, there maybe won't be that many, but I have a couple that might conjour up some jolly jape memories. 1. Walking home from school with mate one …
... after just buying the latest issue of crash. Mate: "C'mon ... of a second later CRASH!!!!!!!!! Two cars "CRASH" in a head ... -
ZX DIGEST - ISSUE 1 - FINISHED!DEAR SPECCY FRIENDS! Its very simple, to purchase the magazine you need to take a subscription out for 10 euros. For this you will get the following…
... ZX Digest
* Each issue should be about 20 pages ... -
GAMES magazineI have just bought the first issue of GAMES magazine, published in the UK by Paragon. The main part of the mag is very similar to EDGE magazine, and…
... have just bought the first issue of GAMES magazine, published in ... of 'Contact Sam Cruise', and two pages full of Speccy screenshots ... -
GSO Issue 3We are very proud to present our best issue yet, issue 3 of GSO. Theres plenty of Spectrum action in this issue too! It can be downloaded by going …
... proud to present our best issue yet, issue 3 of GSO.
issue too!
It can ... -
[NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…
... pads to play (up to two players simultaneously).
Any ...
o Switchable issue 2 / issue 3 keyboard emulation.
Issue 2
keyboard and ... fast for a second or two after loading.
... -
retro - edge issue 2ive just managed to grab a copy of the retro edge magazine issue 2 , its excellent , loads of reviews of old classics such as chuckie egg , lords of …
... of the retro edge magazine issue 2 , its excellent , loads of ... -
ZX DIGEST ISSUE 2 - NEARLY FINISHED!HI FOLKS! ZX Digest issue 2 is nearly finished, at the moment it looks like its going to be about 25-30 pages long. We have incorperated many new s…
... FOLKS!
ZX Digest issue 2 is nearly finished, at ... , hence the size of this issue. We are hoping to to ... release issue 2 towards the back end ...
