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Some technical queries regarding +2A, please help!Hi All! Been tryin to explain Jet Set Willy to the missus, and wanting to relive a bit of my youth, so I bought a Speccy +2A. When I got it, it wa…
... some of the larger keys, caps shift, enter, space for example ... -
Bit of cosmetic surgerySince my +2's ula gave up loading tapes I decided to get rid of the redundant cassette deck and give the speccy a make over, using some silver wheel …
... a set of +2b key caps
[URL=http://s80.photobucket ... -
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…
... but 2 of the electrolytic caps (mostly because the 2 were ... -
Spectrum CapacitorsLooking for some opinions here, if I may? In the 80's and 90's I used to repair Spectrums and other machines for a living so I'm reasonably famili…
... for the old wax paper caps, mind you!), a short time ... -
No colour - Issue 2 SpectrumThis one is driving me mad - any suggestions appreciated. I have an issue 2 Spectrum with no colour at all. I found the 12v rail was at just over …
... must have found the elusive faulty LM1889, so replaced it. No ... see how they could be faulty but still allow monochrome video ... a repair on another board (faulty RAM), I will try and ... -
Another hardware question - lower 16k bad?Like in my last question, I am referring to this video from JoulesperCoulomb (https://www.youtube.com/watch?v=IzgCmldm2H4), this time, it is with the…
... the IC's are probably faulty. Mine is reading 1.8K ... -
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…
Hi 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 punt on this one off of ebay ("missing power supply - unable to test" 8-| ) and it turns out to be an ... -
Help with TV repairHi spec-chums. I'm looking for some help with a repair I'm doing on a Polaroid P40LED13 TV. It's problems are there is no picture at all, no backligh…
... board, but still could be faulty.
Just wondering if ... -
Spectrum +2 No Loading SoundHey all! Just got a +2, immaculate condition, inside AND out, comes up fine when tuned in, keys work, etc. BUT, there is zero sound coming from th…
... out the belt with a faulty +2 I had lying around ... -
Silent Service - practical questions...first - is there a "Save/Load" option in game? I know... thanks to emulator, you can do with game whatever you want... but was there "built-in" Sav…
... done on Spectrum - just press Caps Sh. & 8 - and you ... -
Two faulty grey +2s and box of games on ebayI'm all set with ZXDS and my toast rack/divide so selling off a couple of broken grey +2s I was going to fix "one day" and a box of tapes that I'm ju…
I'm all set with ZXDS and my toast rack/divide so selling off a couple of broken grey +2s I was going to fix "one day" and a box of tapes that I'm just never going to play. Hope of interest.
http://pages.ebay.com/link/?nav=item.view&id= ... -
New Spectrum+ membane problemsHi all! I have installed a [b]brand new[/b] mebrane in one [b]Spectrum+[/b] of mine and I have the following keys not working [b] INV VIDEO T…
... [/b]: When I press [b]Caps Shift[/b] with [b]"[/b ... -
12V ripple with lower ram installedI repaired a speccy this week. Before doing anything I replaced all caps and measured the transistors in the power section. When doing this I found t…
... doing anything I replaced all caps and measured the transistors in ... -
Faulty M1 or no?Hi all, OK, so I've got an issue 4B which was pretty much untouched and appears to work fine (starts up OK, loads games, 23732 and 23733 both retu…
Hi all,
OK, so I've got an issue 4B which was pretty much untouched and appears to work fine (starts up OK, loads games, 23732 and 23733 both return 255) but it won't work with my Retroleum Smartcard, Multiface 1 or DivMMC Enjoy!.
< ... -
Wheels of Fire: Chase HQ = duff masteringAndy Barker mentioned Chase HQ in the Wheels of Fire compilation as being WIP way back in April 2005... http://www.worldofspectrum.org/forums/discus…
... the game.
The faulty block is the penultimate one ... -
+2 KeyboardHi peeps... I purchased a "faulty" +2a keyboard for my Harlequin build and everything looks pretty clean and no apparent damage to the membranes... I…
Hi peeps... I purchased a "faulty" +2a keyboard for my Harlequin ... -
Issue 6A power modificationHi all, Just saw this on an issue 6A that I'm working on. Anyone seen anything like it before or even know what it's supposed to be doing? Faulty …
Hi all,
Just saw this on an issue 6A that I'm working on. Anyone seen anything like it before or even know what it's supposed to be doing? Faulty coil maybe?
[img]http://i.imgur.com/ju3x9sT.jpg[/img]
Thanks -
48K Issue 6a wobbly and flickering TV outputHi folks, Found an untested issue 6A Spec whilst tidying up and it had a warranty sticker on it from a past repair which seemed to be a socketed L…
... , TR1/TR2, the left-hand caps, swapped ULAs and just because ... -
Speed (nano seconds) of memory chips ZX SpectrumThe ZX Spectrum uses 4116 memory for the lower memory, which can be replaced by other sorts or a whole, modern, module, but when searching for 4116 m…
... half of the RAM was faulty, but how many nano seconds ... -
48K Issue 2 Spectrum showing exactly 16KI've acquired an issue 2 and it quickly became clear that only 16K of memory is available. I've read that some early 48K Spectrums with malfunctionin…
... lowest upper RAM IC is faulty, can I determine that easily ... -
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…
... think that was for a faulty ULA. The mini-PCB is ... -
128k toastrack board changesI was working on my spectrums this weekend and opened up my toast rack to look at the possibility of changing out the Electrolytic caps. I was awar…
... of changing out the Electrolytic caps.
I was aware vaguely ... -
Speccy 128k Toastrack capacitorsDoes anyone have a list of all the electrolytic capacitor values in a speccy 128k toastrack they could post...I've looked around and see plenty for …
... but a few of the caps are seated in such a ... -
Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... whole of upper RAM was faulty (check all ICs). Poking and ... -
Xmas present from Hood:))Dear MB-02+ users, on my site[url="http://hood.speccy.cz"] http://hood.speccy.cz[/url] I have made quite significant update in download section. B…
... . No need to press constantly CAPS+1/2. This is a ... -
ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... happens the diagnostic software reports faulty reads from ram (removing the ... -
Speccy won't bootHi all, I've got an issue 3 48k that won't boot properly. When I turn it on, it either does one of the two following things, it either displays a …
... figured it might be a faulty ROM (despite passing the checksum ...
