Commodore 128 System Manual page 381

8. 40 Column Video Connector—This DIN connector provides
audio and composite video signals which can be
directly connected to suitable audio and monitor
equipment. These signals can be connected to the
Commodore monitor or used with separate components.
Pin
Type
1
LUM/SYNC
2 GND
3
AUDIO OUT
4
VIDEO OUT
5 AUDIO IN
6
COLOR OUT
7
NC
8
NC
9. RF Connector—This connector supplies both picture
and sound to your television set. (A television can
display only a 40 column picture.)
10. 80 Column RGBI Connector—This 9-pin connector supplies
direct audio and an RGBI (R ed/G reen/B lue/Intensity)
signal.
Note
Luminance/SYNC output
Composite signal output
Chroma signal output
No connection
No connection
C-5