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Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
[quote="Claudius;896584"]
1uF & 4.7uF you would ... -
Look whats possible in 924 bytesSo, finally after over a year of development and nearly 25 years since I first designed the graphics, I've actually made it to the point where this i…
Harlequin Rev G - Decoupling Capacitors?Guys - I started assembling my Rev G Harlequin board over the weekend. Right after I picked it up and started loading parts, it struck me that there…
... a 0.047 to 0.1uF decoupler per 74HCxx IC.[/quote ...SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... ?ZSD status ZSD command
#C8/#E8 xxxxxxxx11A01000 xxxxxxxxCBA01000?IDEcs1:#6 ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... do cost rather more. The 1uF types these days are typically ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... uf , 25v
D) 1uf , 50v
He also ... missed something)
A) 1uf , 63v
B) 4 ... 22uf 25v ,3 of the 1uf 63v and 2 of the ...+2 grey - datacorder on/off switch?Hi everyone. Building a simple on/off switch to power up/down the tape deck will eliminate the noise in sound output? Is this a safe approach or …
... wire to ground) and an 1uF electrolitic capacitor shorting transistor Q301 ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... /> Resistor R31 (220k) and C27 (1uF) provide a power on reset ...Spectrum 128k 2a or not 2b....Just picked up a +2 black case version and I'm in as little bit of a quagmire, The case is definitely black, has '+2A' stamped on the bottom, but in…
... the ear 'pin' to a 1uf cap which connects at the ...Beepola V1.08.01 patch by NaLexIt is patched Beepola V1.08.01 with the corrected A4 tone in the Special FX engine (same as in the Orfeus). [url="http://nalexsoft.blogspot.ru/201…
... ) table
EE E1 D4 C8 BD B2 A8 9F 96 ... table
EE E1 D4 C8 BD B2 A8 9F 96 ...ZX Spectrum 48K it only shows colored barsHello, I'm new to the forum and I need help with a ZX Spectrum 48K which I bought recently unfortunately defective. I want to mention that before t…
... /capacitors/ceramic-capacitors?capacitance=0.1uf|1uf&range=exc-direct-ship ...ZX Spectrum 48K it only shows colored barsHello, I'm new to the forum and I need help with a ZX Spectrum 48K which I bought recently unfortunately defective. I want to mention that before t…
... multilayer (the C5,C7 and C8 not yet but I do ...Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... 9D EA
EABF: C8 ret z ;60095 C8
EAC0: 0C ...Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
In the interests of completeness, I amended the program as follows so that you POKE the coordinates in to 59998 (X) and 59999 (Y) before excuting the fill routine.
[code]EA60: coords:
ld de,(60000) ...Trying to repair a Speccy 48k - No PulsingI've had this machine for ages. I'd I've been putting off fixing it for some time now. So a couple of days ago I pulled it apart and started prob…
... -up, or when capacitor C27 (1uF) is shorted out and then ...Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
Yep, those 1uF capacitors are fine. Although if ... behind replacing them, is the 1uF types are better at decoupling ...Best frozen ready meals ?On the whole who's frozen ready meals do you recommend ? For reasons I'lll not really go into, the fresh ones are not too practical as I need some…
... ]
or
[img]http://c8.alamy.com/comp/FNMG5H/own ...Character wobbleHello, I have an Issue 2 board which shows vertical character wobble. This happens for a few minutes followed by a few minutes of character sta…
Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... the 4116 DRAM chips to 1uF multilayer ceramic types. You could ...Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... the 4116 DRAM chips to 1uF multilayer ceramic types. You could ...Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... back in.
3. Replaced C8 and C7 22 nF ceramic ... ICs. However, after C7 and C8 have been replaced (see #3 ...


