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48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... what you get from a 48K Spectrum where the lower 16K ... levels. Thorough(!) inspection of the PCB should be the first thing ... -
SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…
... works great with both a 48k and 48k +. Really glad i stumbled ... the shelf that the the PCB would fit nicely into) with ... -
Opus discovery problemTook delivery of another of these today, bad drives but I got one working, a further issue developed after I plugged a Multiface into the Opus's expa…
... I try it with a 48k machine its black paper, white ... the quality of the Opus PCB is really low and it ... -
Which ULA?Just a quick question, more of interest rather than immediate need... I am thinking ahead about the repair of an Issue 2 board, and also an Issue 6A …
... component or track damage on PCB)?
Of all these ... , is this a 16K or 48K board?
Next steps ... -
ZX Spectrum 48K working as 16K from factoryGood morning I Have a Zx Spectrum 48k working as 16K , it came like this from factory. What can i do to solve this , and put it to work as 48K? Wha…
The fact it has a 48KB sticker suggests this was a working 48K machine when sold. Also it's an issue 4A pcb, pretty sure the 16KB option was long gone by then. -
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... Plus D on a Spectrum 48k + and a 128k +2 Black ... ]Also, the next pair of PCB pads between this 100uF 25V ... , this two holes on the PCB are empty. The ceramic "104 ... be ever soldered to my PCB here.
[QUOTE ... -
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…
... voltages look okay, and the PCB and case both look cosmetically ... ULA I have in a 48k Speccy I have recently acquired ... -
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... on a Spectrum 128k and 48k.
Non-Working should mean ... following voltages:
On 48k Spectrum: 7805 middle leg black ... leg on PCB border = -0,4 V
On 48k Spectrum: 7805 ... wire to 7805 leg on PCB border = -0,4 V
ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... .
[QUOTE]With the spectrum 48K it was possible to cut ... in series with it (so PCB pad > D20 > resistor ... > PCB pad). This will mess up ...Old homemade hardware?Hey there, I've been given a bunch of ZX Spectrum stuff, I've mostly fixed the computer, just need a membrane. But what I was wondering is that there…
... with an old spectrum a 48k or + then more than probable ... a hardware section.. has the PCB got any markings on it ...When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …
... "FOXX 48k memory upgrade kit" mean anything?
The Speccy PCB and ... the plug in PCB with a 74LS157 ... ?p=303502&highlight=FOXX+48k+memory+upgrade+kit#post303502"]in ...When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …
... "FOXX 48k memory upgrade kit" mean anything?
The Speccy PCB and ... the plug in PCB with a 74LS157 ... ?p=303502&highlight=FOXX+48k+memory+upgrade+kit#post303502"]in ...When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …
... standard 48k running as a 16k if I removed the pcb plug ...When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …
... "FOXX 48k memory upgrade kit" mean anything?
The Speccy PCB and ... the plug in PCB with a 74LS157 ... ?p=303502&highlight=FOXX+48k+memory+upgrade+kit#post303502"]in ...DK?Tronics keyboard troubleI have a DK?Tronics keyboard here, which is causing some trouble. Physically it?s in great shape, but some keys simply do not work. The non-working k…
... the push buttons from the PCB and then carefully open them ... -scoping-out-a-zx-spectrum-48k-part-one[/url]Another broken SpeccyHi all I have been given another ZX Spectrum, this time it has a really odd problem as you can see in the video: [URL="http://youtu.be/ZOSiBEYQD7w"…
... it / which issue PCB?
On 48K and plus boards, TR4 ...Defective +2 grey with only random coloured screen while powering onHi, so the story goes: After buying myself an divIDE and a grey +2, this runs well for a few days. But while playing a game the picture stucks and …
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If that was a 48K machine I'd advise you ... power supply area of the PCB though, and then check out ...The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
... opening I found a yellow PCB. So the decision was made ... copyright message with a full 48K of working memory.
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... without integrating it into the pcb though as you'd want ... when using it on a 48k :(Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... is producing a completely new PCB and components that are a ... yes this is a new PCB using currently available new components ... the Sinclair ZX Spectrum 16k / 48k.
You may find [URL ...Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... power supply on the PCB of the 48K model which will die ... innocent 4164 memory ICs). The 48K Spectrum isn't the only ... to GND on a +3 PCB will somehow put a high ...Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... to size (strip board or PCB) or I'm told the ... problem with our ZX Spectrum 48k when I was a child ...The Elite ZX Spectrum bluetooth keyboard and their implementation of key ghosting.They have plans to release it September 2014. [url]http://bluetoothzxspectrum.elite-systems.co.uk/index.php[/url] They have also a Kickstarter page,…
... Bluetooth transceiver PCB is going to be smaller than a 48K board ... make a contact on a PCB below) with the whole lot ... being integrated on that PCB.
I'll definitely ...Just brought my first ZX Spectrum+ help please!I need some help please guys! Just brought my first ZX Spectrum +, I never had one of these back in the days so I know nothing about them! All is …
... membrane that connects to the PCB I have split in 2 ... -New-Sinclair-ZX-Spectrum%2B-48K~~128K-Keyboard-Membrane-2141[/url ...PSU Output cableIve got so many duff 48k psu's knocking around that I think its time to get them sorted, 90% of them have bad output cables, a break somewhere along …
... some cable from an old 48k psu today and tested continuity ... .8v, tested on the psu pcb, 13.5v, its losing a ...DivMMC EnJOY! v2014.1Teaser: [url]http://www.youtube.com/watch?v=ea036HH25f8[/url] This is the board version that is designed for the custom case which is worked on at t…
... edge connector perpendicular to the PCB? It just looks like it ... - especially on my rubber keyed 48k (the only Speccy I have ...DivMMC EnJOY! v2014.1Teaser: [url]http://www.youtube.com/watch?v=ea036HH25f8[/url] This is the board version that is designed for the custom case which is worked on at t…
... edge connector perpendicular to the PCB? It just looks like it ... - especially on my rubber keyed 48k (the only Speccy I have ...DivMMC EnJOY! v2014.1Teaser: [url]http://www.youtube.com/watch?v=ea036HH25f8[/url] This is the board version that is designed for the custom case which is worked on at t…
... edge connector perpendicular to the PCB? It just looks like it ... - especially on my rubber keyed 48k (the only Speccy I have ...DivMMC EnJOY! v2014.1Teaser: [url]http://www.youtube.com/watch?v=ea036HH25f8[/url] This is the board version that is designed for the custom case which is worked on at t…
... edge connector perpendicular to the PCB? It just looks like it ... - especially on my rubber keyed 48k (the only Speccy I have ...Spectrum Not Responding to Keyboard InputHello, sorry if this thread is not in the correct place, This is my first post and I'm not sure where to post this type of thread. :lol: Anyway, I r…
... PSU, okay, Sinclair PSUs for 48k Spectrums are simple to service ... take some pictures of the PCB for us ;-) An overhead shot ...
