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RFC: Hardware Documentation ProjectI've noticed quite a few threads recently about missing schematics and suchlike. I've also been thinking about the low quality of some of the schemat…
... /> Modern replacement for the 48K internal speaker:
[url]http://www.zxprojects ... /22-a-replacement-for-the-internal-speaker[/url]
SIMM replacement ... -
Modulator oddness - previous owner's mod?Hello, just bought a rubber key 48k Issue 3 I'm trying to fix up. I'm wanting to do a composite video out mod ( n00b at this) but the "spare" hole in…
... logical reason, I assumed the speaker was toast and took it ... hear it coming out the internal speaker, which is worrying, but I ... -
Intermittent sound cutting outHello, I'm resurrecting an old rubber key spectrum. Originally it had no sound at all, diode D9 was blown, I replaced it with one from my other dead …
... all up and running now, internal speaker is still a bit on ... 't be fekked replacing the speaker, I just run the MIC ... -
Internal amp and signal cleaner for tape inHello! Is there known to work INTERNAL schematic which cleans signal from tape in and amplifies it. I need such thing so i can load from my smartpho…
... place, or modify how the internal speaker is connected to the ULA ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... on the edge connector to disable internal memory.
[quote]
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... to hear anything from the internal speaker, but the MIC and the ...Dixons Spectrum + BundleHi, I'm new here, but I've been a Spectrum fanatic for a long time! I am from the UK, but I live in the States now, so I am exclusively using emulato…
... into the machine) and an internal speaker, switchable to external audio out ...Dedicated Spectrum Emulation Machine Based on Raspberry PiI've mentioned this in another thread, so I thought I'd give it a thread of its own. I've wanted to build a dedicated Spectrum emulator for a long t…
... input instead.
Switchable internal speaker; was going to have the ... option of TV sound or internal speaker like on the original Spectrum ... .
I wired up a speaker, but it was too quiet ...Replacement Speaker?Can anyone suggest a suitable replacement speaker for my ZX+ ?
is this anygood for you ?
[url]http://www.zxprojects.com/index.php/the-fix-a-spectrum-blog/22-a-replacement-for-the-internal-speaker[/url]Suggested Spectrum model for retro hobbyist?I'm planning on getting myself a Spectrum of some sorts to add one of the most famous 8-bit computers to my retro collection (already have C64, A1200…
... will still come from the internal speaker (and is also available from ... will still come from the internal speaker (plus Ear & Mic jacks ... send to amp. But the internal speaker will still produce bleeper sound ...Suggested Spectrum model for retro hobbyist?I'm planning on getting myself a Spectrum of some sorts to add one of the most famous 8-bit computers to my retro collection (already have C64, A1200…
... will still come from the internal speaker (and is also available from ... will still come from the internal speaker (plus Ear & Mic jacks ... send to amp. But the internal speaker will still produce bleeper sound ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... this devices will always disable internal CF ports). Theoretically we ... can use for internal CF any ports, for ... /> [code]
New internal CF ports adressation:
011xxx11 ... then will possible use internal CF parallel with external ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... br /> Please implement IORQGE for disable internal IORQ singal in SUPERFO PCB ... internal CF ports (ideal is use also switch for enable or disable ... external device disable ROMCS then must be internal CF ports ... external ROMCS state (if internal romcs from ula is ...Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... then divide in same time disable internal ZX rom and connect external ...Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... then divide in same time disable internal ZX rom and connect external ...48k tv connectionHello, I have a small tv which I use to test and play spectrum games. When I try to connect my any of my 48k, I have the copyright image, but the T…
This is perfectly normal on 16/48K machines, as they have an internal speaker for the audio. TV volume should be turned down for these.
Audio only started being output through the TV on 128K and above models :)
BHelp with potentially broken ZX Spectrum+Hi guys, I'm new to collecting Spectrum consoles and recently purchased a +2, +3 and + model. The + model I seem to be having trouble with in gettin…
... click from the computer's internal speaker and the copyright message will ...Another odd +2 board - no composite video partsI was checking a stack of grey +2's, and found a board where the modulator was missing. First I thought that someone must have pulled it off to use o…
... second +2 gray with stereo internal speaker, sound is amazing,:smile:
Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…
... output any audio to the internal speaker whilst saving.
Issue ...Spectrum + 48k Not loading tapes?I just got the membrane fixed on this damned thing, and then I bought a new tape player. And to no avail will it load tapes. Here's the process: 1- I…
Also check that the Spectrums internal speaker works.
It should make the saving noise when you save (even with nothing plugged in to the MIC socket) and when you ask the Spectrum to make a sound using BEEP 0.5,8
[B][I]Mark[/I][/B]Turning on and off internal speaker?Just wondering if this change could be done. Would it be possible to install just a switch so that one could turn on/off the sound coming from the i…
... a track close to the speaker and added a jumper as ... a way to turn the internal speaker off as the TV audio ...Grey +2 no soundThis will only produce sound from the sound socket at the rear both loading and game sound are fine through my amplified speakers but when I unplug t…
Hang on a minute, youve unplugged the speakers and you get no sound? There be the problem fella! No internal speaker on that model!
You should get sound through the RF if thats the way youre connecting to the TV thoughSpectrum 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_…
... sound is output through the internal speaker, there's no audio carrier ...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_…
... the program loading from the internal speaker - the fact you can't ... , diode(s) damaged, a buggered speaker or an issue with the ... /cyan loading stripes suggest diodes/speaker issue and too low a ...48k noise problem..Hi guys, I need some hardware advice with my old 48k. The machine is VERY noisy - I've fixed the video noise by performing the 'composite' mod, but …
... come from the Spectrum's internal speaker and the boarder should flash ...Guess the video faultI've two dead flesh Spectrums, one a 16K issue 2 outputting white with a tinge of blue (not as extreme as photo shows) with two pink horizontal lines…
... . I ran a beep command internal speaker is fine.
Bizarrely briefly ...Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
... DAC hardware driving an
internal speaker with 1-bit information at ... soundcards” (Crossfire-designs.de, 2007), SPEAKER.txt
and PIT.txt ... time, I've found the speaker article there: [url]http://crossfire ...Funny Incident's With Your Old School's/College Computers.Reading a few threads on the WoS forum's got me thinking of the old computer's that we used at my primary/secondary school, and the sometimes very fu…
... composition on the PC's internal speaker. Drove our IT teacher mad ...where to find Harlequin rev. F all mods till now ?Hi all :) because no more broken speccys around for now, is time to build first of my Harlequin's rev F, I looking in forums and look at Ingo posts…
... a volume control for the internal speaker.
Greets Ingo ...ZX Spectrum+ adviceHey all, I just got a ZX Spectrum+ from eBay and I'm not sure yet what to do with it. I wanted to first take a peek inside, see what issue board it i…
... Spectrum produces sound from its internal speaker, so press keys on the ... hear a click from the speaker. If yes, the Z80 CPU ...
