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NTSC/USA Versions Of Spectrum....?Hello all. First time poster here, so please be gentle! :) My name is Kris. I'm 26 years old, and I live in New Jersey, USA. I'm a big fan of anythi…
... the Spectrum use component or RF style inputs? Do they make ... to NTSC converters that are RF based? (Or would I have ... hook it up to an RF modulator?
Pardon the ignorance ... -
Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…
... .e. no need for a modulator or any of the discretes ... /> 3. Simply forget about the RF modulator! Noone wants to break his ... -
ZX81 Composite Video Mod?Hello. Does anyone know how to modify a ZX81 to output composite video as opposed to a modulated RF signal? I believe it can be done with one trans…
... thick trace next to the RF modulator box, tapped the original composite ... the two wires going into modulator box, tapped +5v from the ... the two wires going into modulator box.
Then ... hole which feeds into the RF modulator, and then attached to the ... -
ZX81 Composite Video Mod?Hello. Does anyone know how to modify a ZX81 to output composite video as opposed to a modulated RF signal? I believe it can be done with one trans…
... thick trace next to the RF modulator box, tapped the original composite ... the two wires going into modulator box, tapped +5v from the ... the two wires going into modulator box.
Then ... hole which feeds into the RF modulator, and then attached to the ... -
speccy plus keyboard helppicked up a really clean boxed speccy + with a ton of games for ?4 from the local recycle centre yesterday, woohoo :) Anyhow on testing it powers up …
... is poor, consider replacing the RF modulator (in top right of spectrum ... -
Faulty +2 Grey :(Hello everyone... i was trying to fix a +2 grey board the other day, i had it for some time now. It gave a black screen (paper and border) with two …
... PAL encoder chip and no RF modulator. It came with one original ... -
Speccy 128 QuestionMainly for the experienced speccy resurecters around these parts. Have you ever had a Speccy 128 with a borked TEA2000 video chip? The reason I ask…
... right. We also tried the RF output and did see "ghost ... tweak the frequency of the RF modulator - any tips? -
Upgrading to 48kI picked up a 16k Issue 2 Spectrum over the weekend, and I'd like to upgrade it to 48k. I've scanned an old [URL="http://www.drumfu.com/SinclairZXSp…
... machine by, ahem, fixing the RF modulator for a composite video output :( -
Works on Amiga but not SpectrumHi, I can connect my Amiga composite out to a PSOne LCD screen and all works fine. But does not work on the speccy. I'm using exactly the same lead. …
The TV port on the +2 is RF too.
To get Composite Video you need to do some tinkering inside - remove the RF modulator and add a few components to get a composite video output. -
Works on Amiga but not SpectrumHi, I can connect my Amiga composite out to a PSOne LCD screen and all works fine. But does not work on the speccy. I'm using exactly the same lead. …
... at the side of the RF modulator, so that collector is solded ... -
Problem with Spectrum +3Hi, I just made up an RGB lead for my +3 to connect it to a commodore 1084S monitor. Great picture but by coincidence? at the same time my spectrum…
... did the modifications on the RF modulator (like I see on the ... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... all these things using the RF input of TV - yes? It ... avoid additional effects caused by RF modulator and RF input circuitry of TV ... the problem is inside the RF modulator or the TV set input ... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... all these things using the RF input of TV - yes? It ... avoid additional effects caused by RF modulator and RF input circuitry of TV ... the problem is inside the RF modulator or the TV set input ... are the same, either through RF or composite.
I ... -
scart issuesmy scart cnnection on my TV is blown and i want to connect a scart connection from my xbox 360 to it, is there a cheap way to convert the scart plug …
You'll probably need one of [url=http://www.telly-leads.co.uk/rf-modulator.htm]these[/url] little doohickys. A trip to your local Maplin, methinks!! -
scart issuesmy scart cnnection on my TV is blown and i want to connect a scart connection from my xbox 360 to it, is there a cheap way to convert the scart plug …
... ://www.telly-leads.co.uk/rf-modulator.htm]these[/url] little doohickys ... -
Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…
... thought it was just an RF modulator thing :)
There's ... -
Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…
... thought it was just an RF modulator thing :)
There's ... -
Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…
... thought it was just an RF modulator thing.
If there ... -
Issue 1 80K SpectrumHere's the other Spectrum I acquired last weekend. It's an [URL="http://www.drumfu.com/Issue1.jpg"]Issue 1[/URL] with an [URL="http://www.worldofspec…
Wow, when you said there's no RF modulator you REALLY did mean it!!
Blimey!, don't quote me on this, but perhaps it is kicking out a composite signal... -
Spectrum +2 (Grey) Composite Out IssueHi, i have just acquired a grey Spectrum +2. I always use composite video to display output from my collection of machines. When i hook up my trusty…
@ingo
I have another plan for the Audio and have no need for the RF modulator unit (its being removed) can I just remove the capacitor attached to from Pin 8 of the TEA2000 completely from the board? -
ZXPROJECT update: a replacement for TEA2000Just go to [url]http://www.zxprojects.com[/url]
... you want to use the RF modulator (you have to bypass TR2 ... -
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 …
... where the input for the modulator is? Sorry for bothering, but ... onto the input to the RF-modulator. And take the GND from ... -
+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…
... from the (now redundant) FM modulator that put the sound carrier ... video signal before entering the RF modulator can. In the end I ... -
+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 (now redundant) FM modulator that put the sound carrier ... video signal before entering the RF modulator can.[/QUOTE]
It ... (the last transistor before the modulator).The reason for noise at ... the TEA2000. The FM modulator itself does not adding noise ... -
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) . :)…
... the one present at the RF modulator input. In any case, it ... -
HD LCD tv'sI plugged my +3 via scart into a 19" flat panel I have and to be honest the display looks like the vector scaler in realspectrums video options and I…
I've just plugged it into my other 19 flat panel and the picture is reminicent of an rf modulator on a tube tv now that's retro!!!
I think the first tv may not like rgb siganls -
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…
... ]) soldered in a board outside RF modulator.
It gives very ... -
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…
... ]) soldered in a board outside RF modulator.
It gives very ... -
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…
... ]) soldered in a board outside RF modulator.
It gives very ... -
Determining +3 revisionI have two +3's and have only just got around to inspecting the insides to look for the known +3 sound "bug". The problem is that one machine appear…
... in TR5 (upper=nearer to RF modulator). In bugged +3 is 0 ...