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Gideon ULTIMATE - 64 elite - Page 22

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22
Pin
Modulated Color
RGB Mode
7
Not used
CSync
8
Not used
Fast Switching
Audio
The audio outputs have consumer electronic line levels (Line Out) and need to be connected to an
external amplifier.
Video
The video signals on pin 1, 4 and 6 have a source impedance of 75 Ohms, with standard 1V-peak
video levels. In the modulated color mode, Luma and Composite contain sync information (-0.3V),
while Chroma does not. The video blanking of the VIC output has been corrected, and is now in
accordance with specification.
The PAL output is non-interlaced, with a field rate of 50.2 Hz, and line rate of 15.639 kHz.
The Fast Switching output is a 1.5V fixed ‘high’ output signal (when terminated with 75 Ohms),
that is used on SCART to enable RGB mode. The CSYNC output is a sync-only output that is
needed on the SCART signal as a replacement of the composite video or luma signal. In RGB mode,
there is no sync information in either R, G or B; i.e. no ‘sync-on-green’.
Build your own RGB Scart cable
Pinout U64 & SCART
Pin
U64 video port
Pin
SCART
1
Green
11
RGB Green
2
Ground
4
and pin 5,9,13, 21(Shell)
3
Audio Out Left
6
Audio Input Left
4
Red
15
RGB Red
5
Audio Out Right
2
Audio Input Right
6
Blue
7
RGB Blue
7
Csync
20
Composite video input
8
Fast switching
16
RGB Selection, 1-3V = RGB

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