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speccy 128kI have a spectrum 128k that seems to work fine and load games ok. When I power it on for the first time I get the usual options screen, no problem. B…
The ULA chip seems to get a little ... in the middle of the chip but doesn't seem extreme ... . The CPU ZX80 chip gets warm but also not ... -
Spectrum +2 faultHave recently purchased a +2 but it is not working. When you switch it on all I get is a screen with lots of different coloured boxes on it and it wo…
... move, it could be the ULA. If this is a Spectrum ... that someone can replace the ULA chip because Amstrad did not use ... -
Crasched Spectrum+ 128, HELP!Hi! I recantly bought a Sinclair Spectrum+ 128 on a seconhand store. It shows random colour squares spread over the screen, mostly the upper part a…
Definitely sounds like the ULA chip is blown - usually happens when ... -
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
... identical models have the same ULA chip in them, it must be ... -
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
... identical models have the same ULA chip in them, it must be ... -
Help with dead Spectrum +2aHello. My Spectrum +2a died some time ago. It was powered on, I looked away and next time I looked at it, screen was black. I have replaced the 4 r…
it IS possible to replace the ULA chip - I have done it. Broke lots of rules (like using plumbing flux etc) but got it working. -
ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…
... will replace on monday), the ULA chip (which, I guess, is irreplacable ... -
Speccy + issues?There was a topic somewhere regarding the different issues of the Spectrum keyboard and how it had some subtle effects on programs. Just wondering …
... difference is in version of ULA chip and some voltage levels by ... -
questions about the +2 and +3I can`t remember if the +2 and +3 had a port on the back of the computer that let you use your own tape recorder so i`m asking if there was or not ?
... went where thus making the ula fry. Never used any diodes ... better prevention for a fried ULA chip, that all credit to you ... -
Which looks 'real'?Out of Spin and Spectaculator, which looks and 'feels' most like a real Speccy to you? I mean in terms of border size / playing area the look of the …
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It is because of ULA chip version, not capacitor. I checked ... it by simple replacing of ULA chip. Issue 3 and above versions ... ULA's displays screen little left, ... -
Which looks 'real'?Out of Spin and Spectaculator, which looks and 'feels' most like a real Speccy to you? I mean in terms of border size / playing area the look of the …
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It is because of ULA chip version, not capacitor. I checked ... it by simple replacing of ULA chip. Issue 3 and above versions ... ULA's displays screen little left, ... -
NTSC for Speccy? What would happen?Hi doods. I was just reading a bit there about the TEA2000 video encoder. I'm just talking theory here. What would happen if you... Cut pins 12 an…
... not enough. You must replace ULA chip too (if such thing like ... NTSC 128 ULA exists at all)
2 changes in ULA: 30 pics instead 25 pics ... per sec.
For 48K ULA it would need different V ... -
Spectrum 128+2Greetings to all My Speccy Tape Drive has died. Fully blown :( Is there any way to hook up a external cassete player to the +2? I can't see any "lin…
... INPUT, you WILL fry the ULA chip. This is a fact, no ... . Get it wrong and the ULA will fry
[url ... -
Portugese SpectrumI've just acquired a Speccy 48K which states "made in Portugal" on the back. I thought Portugese "Spectrums" were actually some illegal copy of a Tim…
... Speccy? Can you look at ULA chip, and post here what is ... -
Portugese SpectrumI've just acquired a Speccy 48K which states "made in Portugal" on the back. I thought Portugese "Spectrums" were actually some illegal copy of a Tim…
... Speccy? Can you look at ULA chip, and post here what is ... -
Spectrum won't load data when warmI've got an interesting observation. I put iPodLinux onto my iPod and got TZX files playing back as the proper audio waveform. I also removed the vol…
It looks that your ULA chip starts to work unreliable when ... />
Solution is replacement of ULA, or:
[url]http ... little modded Spectrum 48K, but ULA is on place, just covered ... alu board on top of ULA. -
Spectrum won't load data when warmI've got an interesting observation. I put iPodLinux onto my iPod and got TZX files playing back as the proper audio waveform. I also removed the vol…
... =piters]It looks that your ULA chip starts to work unreliable when ... Speccies.[/QUOTE]
Are the ULA chips swappable across all 48K ... -
Spectrum won't load data when warmI've got an interesting observation. I put iPodLinux onto my iPod and got TZX files playing back as the proper audio waveform. I also removed the vol…
[QUOTE=DEATH]ULA chip does run hot, but it ... .
btw, is the ULA from a 128K machine the ... -
Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…
... on everything possible - why sound chip when CPU can generate tone ... . I did put heatsink on ULA chip, because I want it to ... -
Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…
... on everything possible - why sound chip when CPU can generate tone ... . I did put heatsink on ULA chip, because I want it to ... -
Spectrum won't load data when warmI've got an interesting observation. I put iPodLinux onto my iPod and got TZX files playing back as the proper audio waveform. I also removed the vol…
... nightmarish predictions of a faulty ULA chip and in the end the ... -
Spectrum Composite video connections?Is it possible to modify a standard 48K spectrum to give composite video output? In my experience i have found the quality of the picture out of the…
... , this could mean faulty ULA chip (ferranti socketed chip, IC1 on the board ... -
Spectrum Composite video connections?Is it possible to modify a standard 48K spectrum to give composite video output? In my experience i have found the quality of the picture out of the…
... this could mean faulty ULA chip (ferranti socketed chip, IC1 on the ... since there's some ULA timing issue that was ... not bother replacing the ULA, which you'll only ... example, the 41256 memory chip can be used in place ... 32kbit of a 256kbit chip, but it does work ... -
Spectrum Composite video connections?Is it possible to modify a standard 48K spectrum to give composite video output? In my experience i have found the quality of the picture out of the…
... a symptom of a faulty ULA chip that causes the paper to ... -
Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …
... .3mm tip.
The ULA chip should be based (in sockets ... seen one without a based ULA chip. Possible somebody has been playing ... -
ZX spectrum as a PC usb keyboard?One of my commodore brained friend showed me an interface which converts the keyboard of c64 to a standard usb keyboard. I quickly searched this for…
And what about connecting ZX ULA chip on AGP port to getting 'real' Spectrum colors and graphic? -
ZX spectrum as a PC usb keyboard?One of my commodore brained friend showed me an interface which converts the keyboard of c64 to a standard usb keyboard. I quickly searched this for…
... ]And what about connecting ZX ULA chip on AGP port to getting ... -
Issue two picture qualityDoes anyone know if issue two and earlier spectrums have worse picture quality (in general, beside colours) compared to issue 3 and later? I mean on…
... being generated by the ULA, try a ULA chip from a higher issue ... board - the ULA's do differ ... balance, but only with the ULA chips that are fitted already ... . I can change the ULA and have to re-align ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... 40056 8620 Is indeed the ULA chip and it's from a ...
