Geneve RGB to EURO-AV (Scart)

Backgroud:

While digging into the possibility of connecting my Geneve to a VGA compatible monitor, I realised that my Geneve video cable, could use some improvements. Using RGB signals instead of Composite video signals and RGB, to improve the signal quality of the cable.
Another improvement would be to dump the DIN-8 connector, since it's obsolete and make a small conversion cable for converting the Geneve's DIN-8 signals to DIN-6 and throw all non-relevant signals (Composite video and +12V) over board.
I haven't tested the new cable yet, due to the lack of DIN-8 connectors, as soon as I find these connectors, I'll try it and improve it further if needed.

Technical solution:

And here are the Geneve's Composite video output pin assigments and the standard EURO-AV connector aka scart connector's pin assignments.

EURO AV connector overviewGeneve DIN-8 overview
EURO-AV Connector
DIN-8 Connector
Pin:Description:Pin:Description:
1Right audio out (connected to pin #3). 1+12V when connected to a RF modulator else not connected.
2Right audio in (connected to pin #6). 2GND.
3Left audio out (connected to pin #1). 3Audio.
4Audio GND. 4Composite Video.
5RGB Blue GND. 5GND when used with a RF modulator else RGB Red (depends on jumper setting).
6Left audio in (connected to pin #2). 6RGB Green.
7RGB Blue. 7RGB Blue.
8Not connected / Future use. 8Composite SYNC (vertical + horizontal sync).
9RGB Green GND.
10Clock out.
11RGB Green in.
12Data.
13RGB Red GND.
1410 bit clock / Data ground.
15RGB Red.
16RGB Sync / Blanking signal.
17Composite Video GND.
18RGB Sync GND / Blanking signal GND.
19Video out.
20Video in.
21Shielding / GND.

Connection:
The following connections needs to be made on the cable, connecting the right pins on both the DIN-8 connector and EURO-AV connector:

  DIN-8 Connector --> EURO-AV Connector
               #2 --> #4+5+9+13+18 (GND)
               #3 --> #6     (Audio)
               #5 --> #15    (RGB Red)
               #6 --> #11    (RGB Green)
               #7 --> #7     (RGB Blue)
               #8 --> #16    (Composite SYNC)

And if everything went right and you turned on the Geneve and the monitor, you should see something readable on the monitor now... If not, you obviously did something wrong.
Comments, ideas or suggestions:
Can be sent to: ti99@collosumus_NOSPAM_.net, please remove the _NOSPAM_ from the e-mail address. You can't be to careful with spam these days.


Last update: 05/13/2003.