Sony GVM-1310 - Manual (Page 10)

RGB multi connector (25-pin)
0 0 0 0 0 0 0 0 0 0 0 0 (
5 0 0 0 0 0 0 0 0 0 0
5 16 17 18 19 20 21 22 23 24 25
Pin No. Signal Signal level
1 IBM select H (5 V): IBM mode L:3BitTTL
2 Audio select H (5 V or open): Audio inputs from #13
L (less than 0.4 V): Audio inputs from the LINE AUDIO IN jacks
3 Video input
(composite video signal)
H. sync or composite sync
When the high state is selected at #9:
1 Vp-p, 75 ohm terminated (Negative polarity sync),with the
SUPERIMPOSE switch set to ON
1.2-4 Vp-p, 75 ohm terminated (Negative or Positive), with the
SUPERIMPOSE switch set to OFF
When the low state is selected at #9: TTL level
4 Blue input Positive polarity
When the high state is selected at #9:
Analog signal (0.7 Vp-p, 75 ohm terminated, non sync
1 Vp-p, 75 ohm terminated, with sync on G signal)
When the low state is selected at #9:
Digital signal (TTL level)
5 Green input
6 Red input
7 NC
8 NC
9 Analog/digital mode select H (open): Analog signal (0.7 Vp-p)
L (ground): Digital signal (TTL level)
10 RGB B/NORMAL mode select
(Function switch)
H (3 V to 12 V): Signal input from the 25 pin D-sub
L (less than 2 V): Composite video inputs from LINE or Y/C
input impedance more than 22 kilo ohms
11 V.sync TTL level
12 Blanking input When the high state is selected at #9:
H (1 V to 3 V): RGB input from the 25 pin D-sub
L (less than 0.4 V): Composite or Y/C video inputs, 75 ohm terminated
(Rapid switch)
When the low state is selected at #9:
H (5 V or open): RGB input from the 25 pin D-sub
L (ground): Composite video input from LINE VIDEO IN
13 Audio input Input level -5 dBs (normal), input impedance more than 47 kilo ohms
14 EXT/INT video select Functions with the SUPERIMPOSE switch set to ON.
H (open): Sync signal input from #3
L (ground): Sync signal input from LINE or Y/ C
15 Video input return
16 Blue input return
17 Green input return
18 Red input return
19 Ground
20 Video output
(composite sync output)
Output level 1.0 Vp-p, within sync 0.3 Vp-p output impedance 75 ohm
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