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48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…
... . BUT I noticed that Ula is very hot and the Nec Z80 ... is hot too. And all ram chips ... for fetishism I added to Ula and Z80 two mini heatsinks ... -
Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... emulate a cold or a hot ULA. They don't emulate the ... drift from cold to hot that happens with real machines ... -
Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... emulate a cold or a hot ULA. They don't emulate the ... drift from cold to hot that happens with real machines ... -
ULA gets so hot, it is cracked open!Hi everyone. I have bought a rubber-keyed 48K and the seller said he was selling it as "for spares/repair." Sure enough, it turns out it doesn't work…
... took it apart suspecting the ULA was dead. It turned ... immediately noticed that the ULA had a crack in the ... time and the ULA started to get so hot in the ... feeling that replacing the ULA wouldn't fix the ... What might make an ULA get sooo hot that it cracks open ... -
ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…
... however, it seems to run hot and stalls. When it has ... />
When it has run hot, I still measure all the ... /> Voltage regulator and ULA both get very hot, but as far as ... -
IF1 Ula Questionim thinking about getting an interface 1 but im aware that there is/was an issue with the ula.My question is if i have the opportunity to buy one but…
... /was an issue with the ula.My question is if i ... or a deformity above the ula does this mean i need ... they still functional but the ula gets hot?can someone explain what ... -
Heatsink for ULAHi, My Speccy 48k issue 4s starts to get temperamental when it's been on for a while. Machine itself is fine but loading gradually becomes more unre…
... on Twitter suggested the ULA might be getting hot.
So ... perhaps a heatsink on the ULA might ... put a heatsink on their ULA?
Cheers ... -
48k Speccy died, resistors getting too hot to touchHi folks, With 2 days to go till an exhibition my trusty dual-boot 48K issue 3b that I made last year has given up the ghost and I'm not sure I ha…
... got the same screen. Checked ULA in another board and that ... side of it get instantly hot but tested out of circuit ... -
WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello, Attempting to repair my 128k+ speccy. Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also. If anyone has this chip or has a…
... 128k+ speccy.
Needs a ULA(IC1)chip from either a ... 's broken(other than the ULA), please give me a shout ... -
Speccy Tour : Approaching the last two hot weeksHello Specchums! Firstly, I invite all of you to watch how the competition is at the moment [url="http://www.speccy.org/st03"]http://www.speccy.or…
... ]
THings are pretty hot as you can see, and ... -
ULA schematicsHi everyone. Some while ago I remember getting hold of some circuit schematics of the innards of the Speccy 48K ULA. Sadly I've since lost the files…
... innards of the Speccy 48K ULA. Sadly I've since lost ... -
ULA?Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array?
Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array? -
The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …
... is controlled.
The ULA controls output to the the ... need to change the ROM,ULA and add more RAM ?? or ... -
sound input causing dead ula in +2 ?I have a dead +2a (it shows static black screen, no border see: [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=9619&forum=4)"]http:/…
... /> I started to think why ula suddenly broke. 'Deadth' posted ... connected tape leads can damage ula.
Also found ... 1b652469b2ff16c9?lnk=st&q=ula&rnum=18#1b652469b2ff16c9"]http ... 1b652469b2ff16c9?lnk=st&q=ula&rnum=18#1b652469b2ff16c9[/ ... -
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…
... , heatsink gets warm (but not hot). So I guess something is ... be -12V?)
ULA is: AMSTRAD 40056 8620
2 Hot 2 Handle TZX'sRight, here's a question for you preservation guys. Downloaded and tried to play the 2 Hot To Handle compilation. Shadow Warriors won't load on Spe…
... tried to play the 2 Hot To Handle compilation. Shadow Warriors ...Blowtorch method of Speccy repairsI just did my first Spectrum repair (and successful at that). It was the Issue 2 spectrum I wrote about a while ago, I just hadn't got around to doin…
... .
I removed the ULA. The fact this chip is ... flat surface. Then in the hot air stream, I held the ... fails again). I replaced the ULA, plugged it in... and I ...Caught By The Hot Fuzz ** Spoilers **I just came back from seeing Hot Fuzz an hour ago and it's brilliant - just what you'd expect from Simon Pegg, really. :) There are loads of really g…
... just came back from seeing Hot Fuzz an hour ago and ...ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
Hi.
Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ?
Also looking for one 7805 heatsink...
ThankTIPP31 transistor questionYesterday I had the time to try and repair a 4S issue 48k spectrum I had. First of all I replaced all the electrolytic capacitors. The tr4 transistor…
... transistor was getting very hot in a matter of ... TIPP31 was not getting hot but the machine still ... . I had tryied the ULA on another machine and it ... transistor (tr4) is getting hot, not instantly but after 1 ... part is warm but not hot.
This transistor is ...UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board. It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ? Thanks.
I remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board.
It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ?
Thanks.ZX Spectrum 128+ problemsHello!I recently purchased and got myself a spectrum 128+ from ebay.The item did not have an original power supply so i got a power supply of 9volts …
... the machine seems to get hot,and after that I ... output) or a faulty Ferranti ULA chipset?
Unfortunately ... tv.
If ULA is the problem does anyone ... if there are replacement ULA chips?I know that ... /T34VG1-USSR-Made-of-ULA-Chip-for-Z80-CPU- ...Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... want to know is the ULA the same from issue 3 ...Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... memory chips are getting excessively hot. The ULA gets a bit toasty ... that was normal anyhow. The ULA is a Ferranti 6c001E7.
how HOT!How hot can ye let yer hard disks to become, before needing to get yer icepacks out? My previous computer had some old 540Mb Conner disks so hot tha…
How hot can ye let yer hard ... old 540Mb Conner disks so hot that I couldn't touch ... disk unintensive work is not hot, but warm to the touch ...Broken SpectrumsChaps ( & Mrs Death ), I was looking at getting some dynamic ram chips for the next phase of the Harlequin stuff, and I started thinking...... I've…
... />
I've got the ULA off one of them and ... first place! - not got a hot enough iron I think....)
ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…
... and CAS generated from ULA? I think there may ... Ramsoft incorrectly states that ULA doesn't stop CPU ... [LIST=1]
[*]The ULA address drivers do not open ... I'm curious what exactly ULA is doing then.
... reading from it by ULA. The address while bytefetch ...Serching for ZX printer ULA and ZX interface I ULAIs there anyone having any spares. In both cases, I swapped ULA's from working equipment which fixed things, so I'm 100% sure it's the ULA that is ca…
Is there anyone having any spares. In both cases, I swapped ULA's from working equipment which fixed things, so I'm 100% sure it's the ULA that is causing the problem.
Is there anyone who can help?
