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Correction of +2 hardware errorsThis is a collection of various pieces of information picked up from various places, including a lot from this forum. I have edited it and reworded i…
... colour picture from the composite signal.
Change R38 to ... . This creates a tri-level RGB output (The brightness mixed with ... the RGB).
[U][ ... get a smooth power line. Switching this big capacitor to the ... -
Strange and faulty toastrackI just got hold of a toastrack, which is kind of strange. First of all, when I opened it, I spotted a socketed ULA and ROM, which is good, however, t…
... work :cry: When using an RGB SCART cable, I can?t ... to the composite signal, I can see the LEDs switching on, but ... barely glowing and no composite signal at all.
I ... -
Spectrum +2 Cable Nightmare -TTL-Composite-RGB ???Just got myself a Spectrum+2 Grey model with rgb scart cable The system works great on my livingroom lcd with the supplied cable, so good news here …
... Spectrum+2 Grey model with rgb scart cable
The ... seems to be a composite signal on pin 1 - Tried ... an idea to use the rgb port of my 1084s-d2 ... the spectrum outputs ttl level rgb, seems that my 1084s-d2 ... only accepts analog RGB (Yes it is the 1084 ... -
Settings on oscilloscope to see composite video signalHello, Learning a bit more about my new Owon digital 2 chan. oscilloscope. Would like to know what settings I should use to view a composite signal…
... use to view a composite signal.
Under settings menu ... SECAM, etc..
Composite video signal is analog, correct?
Mainly ... to see the comp. signal itself and any interference/noise ... , how about seeing signals for RGB & sync.? These would ... -
Spectrum +2 (Grey version) RGB SCART QuestionHi Guys, A quick question for you. As the new owner of a 128K Spectrum +2 (grey version), I'm using a cable from Retro Computer Shack which tries to…
... SCART spects suggests the blanking signal draws around 20mA max to ... to switch the TV to RGB mode (obviously I'd need ... -
48K rgb output? Also, OTLA.A couple of weeks ago I scored 2 48K Spectrums on eBay for ?27 with 1 PSU, 1 TV cable and about 10 tapes....score or what!!!! One turned out to be a…
... +2 through via RGB, after modding the signal output to filter out ... up to an RGB input? 48K to SCART RGB would be ideal ... really as I know that signal works ... -
Differences between 128k+ and +3 RGB video circuitsHello, Have a bit of a dilema with some strange video results on my +3. Here's my setup: I have a RGB Scart to Component converter that is hooked up…
... setup:
I have a RGB Scart to Component converter that ... 'Out of Range' or 'no signal'. If I reset it always ... between the 128k+(heatsink) video RGB and the Spectrum +3.
For RGB Scart, I'm using Composite ... -
Why is RGB the best?Sorry, I know my question may sound odd but I have been doing some reading lately and this has struck me. This is what we know: RF -> CVBS -> …
... -> CVBS -> SVIDEO -> RGB
But on ... -> SVIDEO (Y+C) -> RGB (R,G,B + sync), right ... ) ?
Aren't RGB monitors, from a pure technical ... information contained in the Luma signal? Or is that compensated somehow ... -
Spectrum +2 with CM8833 MK-II monitor (RGB)Hello all, This weekend I decided to resurrect my old 128K Spectrum +2 (grey model). I plugged it into an LCD TV via RF, but the picture is rathe…
... Amiga machines, and it accepts RGB.
... wired directly from the RGB output of the ... thought that the 'Bright' signal, which is connected to ... RGB mode, or am I correct in thinking that the 'Bright' signal ... to make it analogue RGB compatible and see ... -
Almost perfect RGB signal: +2aI'm using an RGB to scart lead on my +2a and the picture is almost perfect except for anything black on bright white. For example, the copyright mess…
I'm using an RGB to scart lead on my + ... difference. Both scart sockets support RGB, there is no picture difference ... -
I'm totally confused now, RGB, composite, SCART what?Hello everyone. I have a +2A coming from the UK and I am wondering how I'm going to connect it to a modern TV. The TV has inputs on the back that ar…
... the TV signal. The +2A has a TV out and RGB output ... to use the RGB out.
Is RGB the same as ... -
I can't get my +2B to work over RGB to SCART.Hi so I have a black +2B and no matter what I do I get a black screen using the RGB-SCART scart cable (specific for the model ) and I'm using a SCART…
... a black screen using the RGB-SCART scart cable (specific for ... RGB? I'm pretty lost what to do :( I get a signal ... -
Miracle Systems RGB monitor interfaceUpon doing some reading of the book [i]The Complete Spectrum edited by Alan Scott[/i] I found a reference to this RGB interface for the Spectrum whic…
... found a reference to this RGB interface for the Spectrum which ... Miracle Systems announced a new RGB interface for the Spectrum. Like ... drive both TTL and linear RGB monitors, and would even let ... without any noticeable loss of signal..."
A quick ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... />
D0...D1 - ROM/RAM switching
D2 - Affects whether D0 ... 0's.
Once RGB is loaded RGB signal is sent to TV ... bit sets or resets all RGB (total black, total white).< ... good idea.
VGA/SCART/RGB/Ariel video outputs!!! Maximum possbilities ... -
Scart - S videoWhat is the difference, I know they are both RGB. I want to make a Scart cable for my speccy, and my tv card has s video input, however I don't know …
... socket carries, composite svideo, RGB, Audio, RS232 serial (on ... input methods is the Function Switching and Blanking signals. They ... presence of an svideo signal. Svideo uses the Luminance ... component cables. RGB is a fully uncompressed signal, each colour ... -
SCART Lead and C= 1940 MonitorHi, I've decided to make a SCART lead for my +3 I've been doing a lot of searching on the internet and forums but I'm a little confused as some peop…
... can't use automatic AV switching, but it does give you ... that you're sending an RGB signal (which is very important). Technically ... -
Spectrum +2a / +3 SCART LeadsEvening all, Over the past week or so I've tried two different Spectrum RGB SCART leads from two different Ebay sellers, on a Spectrum+2A and a Spec…
... RGB should be a 1 - 3V signal on the blanking signal ... low impedance, low voltage) switching between RGB & composite signals, this ... input' is done through other signal (function switch), which is ... image shows okay. With this signal present, monitor/TV [I] ... -
Spectrum +2a / +3 SCART LeadsEvening all, Over the past week or so I've tried two different Spectrum RGB SCART leads from two different Ebay sellers, on a Spectrum+2A and a Spec…
... hence low impedance, low voltage) switching between RGB & composite signals, this ... input' is done through other signal (function switch), which is ... image shows okay. With this signal present, monitor/TV [I] ... do not use RGB inputs if the signal at pin 16 ... -
scart wiring?I've got rid of an old TV recently, and when pulling the scart splitter box out of it , the plate came off it and I have 2 wires that aren't attached…
... scartsplitter don't have the RGB pins connected? Try putting The ... your TV can receive an RGB signal).[/QUOTE]
I tried ... go through the trouble of switching SCART leads every time I ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... in the past with low signal level while loading tape ... one electrolytic capacitor to improve RGB signal.
And last ... or substituting it by a switching regulator. Using a 12V ... cooling you used. Therefore a switching regulator could keep the board ... -
+2 grey rf out problemI got a kind of broken +2. it basically works, but with a annoying rf out problem. When screen goes black (eg. after border 0: paper 0 command) it l…
... CRT (the tv was switching in and out RGB mode). Could that ... the right direction the composite signal at the video connector that ... also used for synchronizing the RGB signal has the right level.
signal to the TEA2000. Even if you use RGB the ... -
Correction of +2 hardware errorsThis is a collection of various pieces of information picked up from various places, including a lot from this forum. I have edited it and reworded i…
... /> the switching into RGB mode is made only by the signal at pin ... in the past for text signal inserting into a present TV ... .7V or a composite sync signal with an amplitude of more ... composite or a horizontal sync signal is present. All other TV ... -
Correction of +2 hardware errorsThis is a collection of various pieces of information picked up from various places, including a lot from this forum. I have edited it and reworded i…
... pin16 is for switching between RGB and composite depending on ... maybe if the CSync signal that I now have ... switches from a clear RGB picture to horizontaly warped ... the tv was actually switching to composite, instead of ... just be the composite signal that I'm using ... -
ahh..sooo close :) Spec128k+ RGB on LCD monitor helpHello, Was trying out RGB on my 128k+ and a Samsung Syncmaster 204 lcd monitor. Tried this monitor with a Genesis/Megadrive and a SNES and works real…
... to put the tv in RGB mode instead of compvideo. Dropping ... . Same for the Function signal that allows switching of 4:3 or ... -
Video output questions...Two questions... [QUOTE]1. The yellow and blue colours seem out of phase on the display. Is this normal for an RF connection to the TV/monitor?[/QUO…
...
Pin 16 = Blanking signal, RGB-selection voltage
0–0 ... → composite
1–3 V → RGB
So you need ... away with slightly lower control / switching voltages.
I got ... -
Help with my +3Hi fellow spectrum users. I have been lurking round the forums for several months now, but never posted until now. Anyway you guys should probably …
... (CRT and LCD) handle the signal switching inputs on the SCART connector ... work okay.
The RGB SCART connection produces a much ... -
Video output questions...Two questions... [QUOTE]1. The yellow and blue colours seem out of phase on the display. Is this normal for an RF connection to the TV/monitor?[/QUO…
... the voltage of the blanking signal. It did make a difference ... full RGB picture.
I found that the 12V Function signal was ... 't responding to it and switching over.
Unfortunately I ... -
Strange and faulty toastrackI just got hold of a toastrack, which is kind of strange. First of all, when I opened it, I spotted a socketed ULA and ROM, which is good, however, t…
... work :cry: When using an RGB SCART cable, I can?t ... to the composite signal, I can see the LEDs switching on, but ... barely glowing and no composite signal at all.
I ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... to analyze any internal signal of ULA that normally ... mV sound signal. This way the output signal of any ... get sound signal into for loading programs.
RGB output serves ... all SCART signal including sound and video switching voltage ... -
Anyone using an RGB SCART cable with a +2A/+3 and LCD TV?In [URL="http://www.worldofspectrum.org/forums/showthread.php?t=44697"]a recent thread[/URL], I mused: [quote]Can +2As be composite modded? If so, I…
... with switching the TV to display from the RGB input. ... within certain ranges present on switching pins to select input, ... information and displaying the external RGB signal instead.
Hence To ... this you must obtain the switching voltages from elsewhere.
...
