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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…
... that I have a Spectrum 128K +2.
What is ... hex inverter with a decoupling capacitor on the power for the ... -
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…
So you've got a 128K +2 grey model. Then, I ... , you'll have RGB and composite video at the same connector ... you prefer to use the composite video signal, put LK4 and ...
5 = Blue
7 = Composite Sync
6,8 and ... -
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... 128K models, there is also a momentary switch connected across the capacitor ... the reset button) the capacitor is in a discharged state ... you might find. As the capacitor charges, the voltage at reset ... reset has a relatively large capacitor and resistor, it's ... -
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=Winston;385994]Most composite mods also include a ... quality.[/QUOTE]
The composite video signal already goes through ... to output for use as composite video signal), without problems. ... the modulator case). Sometimes a capacitor is added (to remove ... -
+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…
... have my +3 modded for composite video output, I discovered that ... reason for noise at the composite signal is interferrence between audio ... additional method to improove the composite video signal. High frequencies in ... of 16?H and a capacitor of 100pF from pin 3 ... -
Tuning issue 48KHi. I have just bought a 48K rubber key version and am having trouble tuning it in. I have tried two newish CRT televisions but get the same picture.…
... /> If it works with the composite mod (which is not a ... modulator input and ground, a capacitor as mentioned in the proper ... -
Tuning issue 48KHi. I have just bought a 48K rubber key version and am having trouble tuning it in. I have tried two newish CRT televisions but get the same picture.…
... /> If it works with the composite mod (which is not a ... modulator input and ground, a capacitor as mentioned in the proper ... and Composite onto the 'TV' connector: Insert a 10 pF capacitor in ... connector, then simply add the Composite signal over a 100 - 200 ... -
Tuning issue 48KHi. I have just bought a 48K rubber key version and am having trouble tuning it in. I have tried two newish CRT televisions but get the same picture.…
... and Composite onto the 'TV' connector: Insert a 10 pF capacitor in ... connector, then simply add the Composite signal over a 100 - 200 ... -
Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …
... power up the 48K and 128K. It also works with the ... the composite mod done yet) and the RCA for the 128K and ... (RGB-to-RCA) for the 128K and for the +2A I ... it. A friend added the composite video circuitry to my +2A ... . It's connected to the 128K. :) -
Measuring the Roger Jowett problemPlease vote if you've received unsolicited mail from Roger Jowett during this year, be it binaries you didn't ask for, or unwanted invitations to soc…
... software provided only allows the composite and s-video as inputs ... motherboard as the spectrum interface1/128k serial interface no - at elast ... -
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) . :)…
... 48+ is just across a capacitor (could be wrong here) , I ... signal instead really (for both composite and reset) ;)
I ... -
Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…
... /> I have three ZX Spectrum 128K which have the same model ... have that trim-capacitor, but a fixed 22pF capacitor.
I ... . Replace the trim-capacitor by a fixed 22pF capacitor
Or ... -
Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…
... . Replace the trim-capacitor by a fixed 22pF capacitor
Or ... ]S[/B]04 in the 128k! If you substitute it with ... -
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…
[QUOTE=rustyredline;414827]Will the composite mod work on a +2A ... /> The 128k models have a sound subcarrier added to the composite video ... -
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…
... ]The 128k models have a sound subcarrier added to the composite video ... -
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…
... modifies the UHF modulator to composite:
[URL]http:// ... com/2008/11/zx-spectrum-composite-video-mod.html[/URL][/QUOTE ... ]
the simple composite mod for the 48k won ... on the +3 (or any 128k model?) because the sound is ... -
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…
... 't have the composite video signal present on the 128K and grey ... of the pins have the composite signal). There's a circuit ... myself. My +2A now has composite video on the RGB socket ... I asked to have the composite signal taken to the the ... -
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…
... removing anything.
The capacitor will remove the DC component ... USB capture device has a capacitor at its input so it ... , if you cannot use a capacitor right now, use the +5V ... because I was poking its composite video output)
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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…
... problems in all ZX Spectrum 128K models:
[url]http://www ... that results in very bad composite out signals.
Maybe you ...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…
... , like a defect chip or capacitor. (After exchanging 7805 of course ... /2008/11/zx-spectrum-composite-video-mod.html"]composite-video mod[/URL ... ] on this machine first (take composite video signal directly from where ...Scart/Composite output for 48K SpectrumHas anybody been able to achieve a Scart or Composite out put for a 48K Spectrum? If not, this is a badly needed modification. Modern TVs are not cut…
... .com/2008/11/zx-spectrum-composite-video-mod.html"]http://womblesretrorepairshack ... com/2008/11/zx-spectrum-composite-video-mod.html[/URL]
capacitor instead:
[URL=" ... question is, what does the capacitor do for us, and is ...Yeeeees finally got one!If anyone wants to make me an offer for the ultimate games pm me. I'm not that bothered by them tbh. [URL="http://www.youtube.com/watch?v=mVgYKMTqL…
... fine on it with the composite mod...I've done several ... or similar monitor with the composite mod.
Power is ... I had was the Sinclair 128k with the metal heat sink ...Yeeeees finally got one!If anyone wants to make me an offer for the ultimate games pm me. I'm not that bothered by them tbh. [URL="http://www.youtube.com/watch?v=mVgYKMTqL…
... I had was the Sinclair 128k with the metal heat sink ... /> If it has RCA the composite mod should work...though it ...+3 ProblemsI have been having a few problems with my +3 and I am wondering if anyone can help or give me some advice: 1. I have 2 blank disks which I have save…
... ; you could cut out the capacitor that mixes audio and video ... ); or you could build a composite video output.Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... ) are the sign for a capacitor of 1 nF they are ... the grey +2 or the 128k heatsink you have to look ...Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... of this one - the only composite mods I've seen are ... 's) and an in-line capacitor (swedish version I think). I ...Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... pull a b&w composite video signal directly out of ... component, so I added a capacitor to above circuit. I found ... good without a series capacitor. Adding/removing that capacitor is so easy ...How to make a comp video cable for +2 greySorry to bog, maybe the clue is just laiden on another thread but.... I have just obtained a 128 +2 grey, fully working BUT the aerial signal is bad…
... 've tried to make a composite cable (pin 1 - signal, pin ... the culprit ? My clumsiness, some capacitor expired, or the infamous video ...How to make a comp video cable for +2 greySorry to bog, maybe the clue is just laiden on another thread but.... I have just obtained a 128 +2 grey, fully working BUT the aerial signal is bad…
... composite (RGB gives much much better results) you should remove that capacitor ...RGB SCART Not Working on ZX 128K (heatsink)I've just received a SCART RGB to HDMI converter and it is not working with my ZX 128K (heatsink). I do have the correct 128K SCART cable (which is d…
... /> Now I could plug the 128K cable to my +2/A ... +12 Volt where 128+ has Composite video output (which is often ...
