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48k PSU Alternatives & DivIDE v DivMMCHey folks, The 48k Speccy I got rather recently is missing it's power supply (though, I know it's working from testing it with the power supply from…
Hey folks,
The 48k Speccy I got rather recently ... -
ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …
... />
I recently purchased a 48K Spectrum from eBay. On powering ... -
Replacing Rubber Key Membrane 48k - IssueHi, I've replaced the membrane on my 48k rubbber keyboard. When I have the top and bottom loose, but wired up , all keys work fine. When I place t…
... replaced the membrane on my 48k rubbber keyboard.
When I ... -
Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …
... :
Spectrum: Issue 2, 48k
Initial problem: Yellow screen ... screen and red bars" RAM test appears, after which the black ... -
The complete Stormbringer (48k) RAM disassemblyIt's finally time to unveil the last of my Magic Knight disassemblies - [URL="http://community.dur.ac.uk/philip.anderson/disassemblies/stormbringer-4…
... .uk/philip.anderson/disassemblies/stormbringer-48k/"]Stormbringer 48k[/URL]!
As ... -
Spectrum 48k "console"As title says... I'm after a 48k please?
As title says... I'm after a 48k please? -
Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... all
Got my 48k today but it's playing ... -
48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... trying to repair my Spectrum 48k. It is having issues loading ... -
48k Spectrum "Jail Bars" Removal?Hi all Just curious I think I saw a post here about the bars that go down the screen on some 48k's I think he referred to them as "jail bars". Any…
... down the screen on some 48k's I think he referred ... ]http://ridgedpixel.co.uk/projects/48k/29.jpg[/IMG] -
16k to 48K upgradeHi everyone I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possibl…
Hi everyone
I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possible where would i get them from.
thanks a lot
Benammi -
Pictures of 48k ZX Spectrums Showing the Important Voltages[SIZE=6][B]Pictures of 48k ZX Spectrums Showing the Important Voltages[/B][/SIZE] [URL="https://farm4.staticflickr.com/3841/15005543009_7bcf3b3031_o…
[SIZE=6][B]Pictures of 48k ZX Spectrums Showing the Important ... -
48K misplaced coloursHello to everybody! Slowly recapping a otherwise working Issue 6A 48K. All new caps aroud LM1889, 7805 and DC-DC converter, which improved ripple an…
... a otherwise working Issue 6A 48K. All new caps aroud LM1889 ... -
48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... try to load anything for 48k the speccy just don't ... -
Issue 6 repair with a twist...(Starting with a slight grump - the forum ate my first attempt at this so this'll probably end up being a bit terse :)) I got a Issue 6 48K machine …
... I got a Issue 6 48K machine in a couple of ... exercised.
The test I expected to catch this ... is the random fill test, where a random number ... />
Maybe a soak test where the random number generator ... anyhow, so I can test any changes and whether ... -
test software incompatible with 2aDoes anyone know if I test software on zxspin in 2a mode it will, in real terms, show me what will and will not run on a real 2a? I have acquired a 2…
Does anyone know if I test software on zxspin in 2a ... -
48k TV IssuesHi all Quick question, how can i improve my 48k picture? (without composite mods...) currently it looks like this: [IMG]http://s26.postimg.org/oox…
... , how can i improve my 48k picture? (without composite mods...)
128k Toastrack Problem...Ok, so I sold a 128k Toastrack on eBay, absolutely fine, perfect working order, etc (not needed since i've got a +2e now.) Returned faulty, with a c…
... it...) but testing with a 48k+ PSU shows the machine has ... 't have a spare to test.) And I know it isn ...Keyboard for ZX Spectrum 16k/48k or HarlequinThere is a keyboard developed originally for use with the Harlequin but maybe used as well with any 16k/48k ZX Spectrum. The keyboards offer a great …
... as well with any 16k/48k ZX Spectrum. The keyboards offer ... /> There are 2 versions available, 48K-KDLXS as standalone version including ... is a rubber mat alternative 48K-KDLXR with other tactile switches ... IMG]
The 48K-KDLXS may also be used ...+2a Advice required on how this machine should behave.Hi. As a kid I had a light grey +2, now as an adult I have picked up a +2a.:smile: I've cleaned up the board on the tape drive, and games now load …
... , the machine was stuck in test, and you guys pointed me ... able to choose calculator and 48k on my childhood machine. is ...Sea Dragon on a 48KAnyone had This game working on 48K? The archive says it does, but no joy on emulator or hardware so far. Great game, used to play it on the Apple …
... had This game working on 48K?
The archive says ...Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …
... I've converted another Spectrum 48K+ into a smoke machine.
The Spectrum is a 48K ver.4S motherboard with Zorns ...ZX resurrectionHi, I'm currently trying to resurrect my old zx spectrum 48k. I managed to fetch proper power supply and tv cables and was pleased to discover that i…
... resurrect my old zx spectrum 48k. I managed to fetch proper ... .
Now I wanted to test it with some of the ...48K No Sound?Repaired a 48K spectrum the other day that had the wrong PSU Plugged into it. Replaced 5v regulator, TR4, TR5 and all Electrolytic Caps. Spectrum th…
Repaired a 48K spectrum the other day that ...Issue 3 ULA ProblemsI've been given an Issue 3 48k to fix. It was producing no video and no picture on the TV. The coil was buzzing so it was getting power and all the v…
... been given an Issue 3 48k to fix. It was producing ... and program loading works. Memory test shows no bad IC's ...Who knows about ZR-UTIL Hendrik BROOTHAERS Marius van der Meer BetadiskI have one old un-identified 5 1/4 Diskette. I thought it was a Betadisk-Diskette, but my real Betadisk v4.12 won?t read it / just displays Sector-R…
... "
"zrobj98" bad DOS version test
" fmttr0 IS NOW LOADING ... have to try SAMdisk for test dumping this disk,
maybe ... use on real Spectrum/Betadisk 48k-Hardware.
2) I ... ALPHA which can emulate Betadisk 48k.
Now all files can ...48K keyboard problemI have a strange issue with an issue 2 48k spectrum. Hopefully you guys can point me in the right direction in finding the fault. For some reason t…
... issue with an issue 2 48k spectrum. Hopefully you guys can ...
