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Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…
... true 50.000 Hz PAL video signal, and a decent sound card ... not precisely calibrated with the video.
As I mentioned ... specs for a PC CPU/Video/Sound card, detailing the clock ... -
Spectrum +2 datacorderHi, my Spectrum +2 datacorder isn't working. Does anyone know if I can still load software through the tape/sound socket at the back of the machine i…
... one thing. Take the clock signal and make a circuit to ... and generates the video signal. But there was no video signal at all. So ... -
ZX spectrum - Make a component cableHello! I have this ZX Spectrum with a faulty RF-modulator, It is good for max 2 minutes and then the picture starts getting bad. Real bad. BUT I got …
... you probably want is composite video. If you open the Spectrum ... aim of improving the composite video signal from the Speccy, including replacing ... -
Spectrum +2 datacorderHi, my Spectrum +2 datacorder isn't working. Does anyone know if I can still load software through the tape/sound socket at the back of the machine i…
... and generates the video signal. But there was no video signal at all. So ... -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... measure quite a nice clock signal on pin 6 of the ... all seem related to the video signal (which is ok).
TV output from original +2I've modified my 48K Spectrum to output composite, and I have it working here in Japan on my old monitor (X68000). Hopefully my parents will bring ov…
... ;382576]Yes. Although the composite signal carries the FM modulated sound ... the responsible of mixing the video and audio information. If you ... always had noise on the video signal (and elsewhere on the board ...RBG monitor for Spectrum?I'm using a very old TTL RGB monitor with my Spectrum, with a RGB adapter that I made many years for my Sinclair QL. It works perfectly with my QL, b…
... video at the same connector, but you will loose the 12V signal ... prefer to use the composite video signal, put LK4 and LK8, and ... LK7. This will bring you video at DIN pin1, and sound ... pin 3. Common GND for video and audio at pin 2 ...RBG monitor for Spectrum?I'm using a very old TTL RGB monitor with my Spectrum, with a RGB adapter that I made many years for my Sinclair QL. It works perfectly with my QL, b…
... 's inverting one of the video signals. It works perfectly with ... my QL, and the video is rock solid, with no ... scrolling.[/QUOTE]
What video signal is the circuit inverting? For ... the Spectrum, the composite sync signal is already at the right ...RBG monitor for Spectrum?I'm using a very old TTL RGB monitor with my Spectrum, with a RGB adapter that I made many years for my Sinclair QL. It works perfectly with my QL, b…
[QUOTE=mcleod_ideafix;383868]What video signal is the circuit inverting? For ... the Spectrum, the composite sync signal is already at the right ... /> I don't know which signal it's inverting. I can ...I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …
... be checking if a composite(!) video signal is generated. The Sinclair Copyright ...I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …
... back ?
For the video cable, it's not a ... add a composite video output bringing a crystal clear video signal". I think ...I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …
... quality.[/QUOTE]
The composite video signal already goes through a transistor ... output for use as composite video signal), without problems. The modder was ... remove DC component from the signal), but I wouldn't do ...I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …
[QUOTE=RetroTechie;386106]The composite video signal already goes through a transistor ...+3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…
... my +3 modded for composite video output, I discovered that ... noise on the audio and video signals were eminating from ... the sound carrier onto the video signal before entering the RF modulator ... removed all the sound and video modulation circuitry entirely, that ...+3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…
... the sound carrier onto the video signal before entering the RF modulator ... not adding noise to the video signal if this mod is done ... improove the composite video signal. High frequencies in the video signal interfer with the ...+3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…
... not adding noise to the video signal if this mod is done ...Composite video and reset buttonOK, I've got some Kempston clone interface here, and I've added a phono socket and a small momentary switch to it (ages ago but forgot about it) . :)…
... it from the edge connector signal instead ? , I'm merely ... .[/quote]
The composite signal present at the expansion bus ... be: C = 5V, B = composite video signal, E = one side of a ... side to GND. The buffered video signal is present at the resistor ...Sinclair 128 K ZX Spectrum +2 faultyI have a problem with my new Sinclair 128 K ZX Spectrum +2. The title screen shows a picture that has a convergence error. Around the signs are yello…
[QUOTE=Pilsener;411853]Sounds like your cable is not connected as RGB.
Are you sure the cable is connected right ?[/QUOTE]The cable is connected right. I'll only use the video signal and GND on the RGB connector.
Mickycomposite mod +2AWill the composite mod work on a +2A as it does on a 48k+, the reason i ask is cos i tried it on my +2A and all i get is a slight interference on the…
... subcarrier added to the composite video signal before it reaches the modulator ... to be disconnected and the video signal taken straight from the PAL ... generator chip otherwise this signal will stop the TV from ...composite mod +2AWill the composite mod work on a +2A as it does on a 48k+, the reason i ask is cos i tried it on my +2A and all i get is a slight interference on the…
... subcarrier added to the composite video signal before it reaches the modulator ... to be disconnected and the video signal taken straight from the PAL ... generator chip otherwise this signal will stop the TV from ...RGB values for ZX Spectrum colours???Hi all, have someone of you a 100% RGB representation of 16 ZX Spectrum colours? Please, post here their values. I was trying to determine the colo…
... If we talk about the signal generated by chip, maybe ... you use, because the signal is analog and can ... RGB levels of speccy video signal, even after converting from ... to measure speccy's video generator chip. Because we ... (&values) of speccy video, in YUV or RGB. ...RGB values for ZX Spectrum colours???Hi all, have someone of you a 100% RGB representation of 16 ZX Spectrum colours? Please, post here their values. I was trying to determine the colo…
... measure RGB levels of speccy video signal, even after converting from YUV ...Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…
... the V9958 can handle external video syncronization (it has been ... ULA's, the component video signals are available at ... you like to this signal, and take the result ... too, so the resulting video signal can be fed to ... or converted into S-Video/PAL using an AD722 ...Spectrum +3 Scart and Video CaptureHi all, I have my Spectrum +3 hooked up to my telly via scart. I have a PCI video capture card fitted into my PC and a copy of DScaller (freeware u…
you won't be able to feed RGB (scart) into your capture card, you need a composite video signal.
There are plenty of threads in the archive about getting composite from the +3Spectrum +3 Scart and Video CaptureHi all, I have my Spectrum +3 hooked up to my telly via scart. I have a PCI video capture card fitted into my PC and a copy of DScaller (freeware u…
... card, you need a composite video signal.[/QUOTE]
I aware ...Spectrum +3 Scart and Video CaptureHi all, I have my Spectrum +3 hooked up to my telly via scart. I have a PCI video capture card fitted into my PC and a copy of DScaller (freeware u…
... /2008/11/zx-spectrum-composite-video-mod.html[/URL][/QUOTE]
video signal before it is fed into ... sound generation circuit from the video circuit and take the sound ...Spectrum +3 Scart and Video CaptureHi all, I have my Spectrum +3 hooked up to my telly via scart. I have a PCI video capture card fitted into my PC and a copy of DScaller (freeware u…
... doesn't have the composite video signal present on the 128K and ... the pins have the composite signal). There's a circuit that ... . My +2A now has composite video on the RGB socket and ... asked to have the composite signal taken to the the RGB ...Crappy video in +2B/+3Maybe it's not a failure in my ZX Spectrum, but I need some advice... I've got some spectrums (a ZX Spectrum +, two spanish ZX Spectrum +2B and a mo…
... what I deduce from your video. Lowering the collector voltage ... to keep a decent amplitud signal, but try first without removing ... how much DC component your video signal has.
So, ... I was poking its composite video output)
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< ...Favorite models! :)Hello everyone. This topic has probably been covered before, but I cant be bothered to look back through the archive to check! What is everyones fav…
... do is sort out the video signal. I like it for practicality ...Broken or upgraded ZX Spectrum 48kHello First i want to say hello to everybody. I have a new ZX Spectrum 48k in my collection. Seller said that it is broken (no picture). I have this…
... /11/zx-spectrum-composite-video-mod.html"]composite-video mod[/URL] on ... this machine first (take composite video signal directly from where it enters ... message? Your TV says 'no signal' ? Entirely black screen? White/grey ...
