-
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 having some ... I found the 5v Regulator was fine but TR4 was ... time I turned the spectrum on. either coloured garbage ... very low reading on pin 2.
I replaced ... note, I had an Issue 3 Spectrum that was also faulty, ... -
Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…
I think I have an issue 2 ZX Spectrum. I don't want to ... are missing.
The issue 2 Spectrum has the heatsink under the ... . Is this problem common to issue 2 Spectrums with Interface 1 connected ... -
My Issue 2 spectrum"IT'S ALIVE!!!!!" - Dr Frankenstein I got my issue 2 spectrum up and running, colours and all. I borrowed socketed lower ram from my issue 3 that is…
... br />
I got my issue 2 spectrum up and running, colours and ... power issues that plagued this spectrum has claimed them as ... it is finally fixed, my Issue 2 spectrum 48k lives with new keyboard ... 780008C), memory borrowed from my Issue 3S (to be replaced ... -
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 …
... .
I have an issue 2 Spectrum with no colour at all ... testing them on a different issue 2 board to verify it wasn ... 't have a fully working issue 2 board to check against at ... -
Repairing another Issue 2 48K Spectrum.I said at the start of the other thread that I've got another one of these and I've started investigating it. The board is more-or-less exactly the …
... the ones on the other Issue 2 Spectrum.
A resistance ... solved. I tested the removed regulator and it seems to work ... measured the resistance between the regulator's middle terminal and the ... same as on the working Issue 2.
-5V - 80K Ohms ... -
Who has an Issue 1 or Issue 2 Spectrum??Do you have an Issue 1 or 2 Spectrum (ie machines with 5C102E and 5C112E ULA's) ??? I'm doing a lot of research into the ULA and also the reasoning …
Do you have an Issue 1 or 2 Spectrum (ie machines with 5C102E and ... for instance in the ZX Spectrum Service Manual) for what will ... mod that was made to issue 2 machines - the feeling is that ... /> Tracking down people with Issue 1 or 2 machines is one hurdle ... -
Who has an Issue 1 or Issue 2 Spectrum??Do you have an Issue 1 or 2 Spectrum (ie machines with 5C102E and 5C112E ULA's) ??? You're help is needed! PLEASE SEE THIS THREAD: [url]http://www.…
Do you have an Issue 1 or 2 Spectrum (ie machines with 5C102E and ... -
Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
... on my desk a nice issue 2 Spectrum +3. I'm not sure ... board says it's an issue 2. Does this need the AY ... " is fine, is this the issue 2 +3?
Likewise, do ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
Just acquired an issue 2 Spectrum 48 K, selled as working ... -
Issue 2 colour modification?While working on my issue 2 spectrum, I start to think about how it would be good if the annoying VR1/VR2 could be removed and a solution similar to …
While working on my issue 2 spectrum, I start to think about how it would be good if the annoying VR1/VR2 could be removed and a solution similar to that of the issue 3 could be implemented. Has anyone tried this and have any experiences to share? -
Issue 2 colour problemsHey all, I've got a slight colour problem with my Issue 2 Spectrum, as can be seen below: [IMG]http://www.bennyalford.com/images/issue2a.jpg[/IMG] …
... slight colour problem with my Issue 2 Spectrum, as can be seen below ... trim adjustments available on this issue, but one further complication is ... -
48k issue 2I have an issue 2 spectrum 48k and wanted to know if i wanted to change the z80 is ther any fix so i dont have that 1 component hugging the z80 [img…
I have an issue 2 spectrum 48k and wanted to know ... -
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…
I've acquired an issue 2 and it quickly became clear ... -
Upper memory not available in issue 2A friend send me his issue 2 Spectrum for diagnosis. It boots okay but for some reason won't load games over 16kB. He sent also a Smart Card with int…
A friend send me his issue 2 Spectrum for diagnosis. It boots okay ... -
Issue 2 problem.Hi all, I'm trying to repair / upgrade an Issue 2 Spectrum for a friend, but have come accros the following problem. When I power the machine …
... trying to repair / upgrade an Issue 2 Spectrum for a friend, but have ... test cartridge in my Interface 2 (or RAM turbo), the menu ... -
Broken Issue 2 - likely culpritsI've just got hold of an issue 2 spectrum with an interesting layout (heatsink is vertical and goes down to the speaker, some variable resistors and …
... just got hold of an issue 2 spectrum with an interesting layout (heatsink ... far and a lower RAM issue is also questionable as again ... get that far. Maybe an issue with a chip as it ... -
Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... a pair of non-working issue 2 48K Spectrums that
have ... />
I found its voltage regulator not to be working so ... 4116 RAMs.
The Spectrum draws 630mA @ 9V from its ... a working ULA from another Spectrum produces the same result
Issue 2 ZX Spectrum 48K for saleNot on eBay this time. An 48K ZX Spectrum issue 2, working 100%. Tested with a DivIDE: no problem at all. I only needed to replace C27 because it ne…
... .
An 48K ZX Spectrum issue 2, working 100%.
Tested with ...ZX Spectrum 48k Issue 2 Faulty Ram?Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy condition. Though I'm getting random columns of blocks and flashing cursors…
... , I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy ...ZX Spectrum Pre-regulator DesignCarrying on from the "[URL="http://www.worldofspectrum.org/forums/showthread.php?t=44486"]Issue 2 crashes after about 30 mins[/URL]" thread... [QUOT…
... /forums/showthread.php?t=44486"]Issue 2 crashes after about 30 mins ... =1024MAK;713643][U][B]ZX Spectrum Pre-regulator Design[/B][/U]
ZD1 .... 8.2V 500mW ZPD8.2 Diotec Zener Diode 500mW 8 ... Speccies were an issue 4, an issue 4S and an issue 6A.
Spectrum Issue 2 - TR6 ReplacementI've just got my hands on an Issue 2 ZX Spectrum, that needed some repairs. The picture quality after doing a composite modification was pretty shodd…
... got my hands on an Issue 2 ZX Spectrum, that needed some repairs ... top of the Z80 in Issue 2) has been broken off. I ...ZX Spectrum Issue 2 - 12V badHey there, I'm currently attempting to fix a ZX Spectrum issue 2 that I recieved. Overall the machine was generally working when I recieved it, bu…
... attempting to fix a ZX Spectrum issue 2 that I recieved.
Overall ... enough to power a different Spectrum - Issue 3B IIRC), using a 1A ...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 the ... , New release, Maps section, The Spectrum Corner Shop, the list goes ... are hoping to to release issue 2 towards the back end of ...ZX DIGEST ISSUE 2 - NEARLY FINISHEDHI 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 the ... , New release, Maps section, The Spectrum Corner Shop, the list goes ... are hoping to to release issue 2 towards the back end of ...Issue 2 with serial 001-569201?I've come across an 16K spectrum with serial number 001-569201. I thought it might be an issue 2, but a 5xxxxx serial number is well into the range w…
I've come across an 16K spectrum with serial number 001-569201.
I thought it might be an issue 2, but a 5xxxxx serial number is well into the range when Sinclair were no longer producing the 16K machine.
Am I right?
ChrisIssue 2/3 ZX Spectrum scan requiredHas anyone got an issue 2 or higher (dark grey keys) in immaculate (or near immaculate) condition that they could scan for me at 600dpi (front and ba…
Has anyone got an issue 2 or higher (dark grey keys) in immaculate (or near immaculate) condition that they could scan for me at 600dpi (front and back)?
Thanks
Andrewissue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…
... an issue 2 board, there is no `buzz` from coil. yet the spectrum ...Issue 5 Spectrum BoardHas anyone got an issue 5 spectrum board they would be willing to part with? I have all issues (I think!) except the Issue 5. Happy to pay, swap the…
Has anyone got an issue 5 spectrum board they would be willing ... to pay, swap the issue 5 for 2 other issues - working or ...Looking to buy ZX Spectrum 48k issue 3+, Spectrum + or 128KI am looking to buy Spectrum 48ks, issue 3 and onwards if possible, but even issue 2 is ok. I am also looking for a spectrum + and a spectrum 128k. T…
I am looking to buy Spectrum 48ks, issue 3 and onwards if possible, but even issue 2 is ok. I am also looking for a spectrum + and a spectrum 128k. The caveat is that it needs to be shipped to sweden, if you are willing to do this?
/JohanReplacing coil with other component?The purpose of the coil transformer, from what I gather in the schematics of the issue 2 spectrum, is to create 5V from about 9-10V. Would it not be …
... in the schematics of the issue 2 spectrum, is to create 5V from ... transformer with a suitable retcon switching regulator instead? or am my basic ...
