Sony PVM-2030 - Page 17

CMPTR
connector (25-pin)
Pin assignment
1 2 3
4
5
6
7
8
9
10 II
12
13
oooooooooo
oooooooooo
14 15
16
17 18
19
20 21
22 23
24
25
Pin No.
Signal
Signal level
IBM select
High state
(5
V): IBM mode
Low
state: 3
Bit TTL
2
Audio select
High state
(5
V or open):
Audio inputs from pin 13.
Low
state
(less than 0.4 V): Audio inputs
from the LINE A/LINE B AUDIO IN
jacks or VTR
connector
3
H. sync or composite sync
Negative polarity
When the high
state
is selected at
pin 9:
1
Vp-p, 75-ohm terminated
When the low
state is
selected' at pin 9:
TTL level
4
Blue input
Positive
polarity
When the high
state is
selected at pin 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 pin 9:
Digital signal (TTL level)
5
Green input
6
Red
input
7
No
connection
8
9*
Analog/digital
mode
select High
state (open):
Analog signal
(0.7
Vp-p)
Low state (ground): Digital signal (TTL level)
10 RGB/NORMAL
mode select
High
state
(5
V or open); RGB inputs from a microcomputer
Low state (ground): Composite video
inputs from
the
LINE
A/LINE B VIDEO IN or VTR
connector
11
V-sync
Negative polarity
TTL
level
12
Blanking High
state
(5
V or
open): Video inputs from a microcomputer only
Low
state
(ground): Composite video
input from the LINE
A/LINE B VIDEO IN or VTR
connector
During the low state, the video
signal from the microcomputer
is blanked and the
composite
video signal from the LINE A/LINE B VIDEO IN or VTR connector is
superimposed over the signal from the
microcomputer.
13
Audio input
Input level
-5
dB
(100%
modulation),
input impedance
more than 47 k ohms
14
No connection
—
15-24
Ground
25*
IBM
luminance signal
Positive polarity
When the high state is selected at
pin 1: TTL level
When the low state is selected at
pin 1: Low
state
(ground)
»
Examples for
microcomputer connections
No.
1
9 25
Microcomputer^
Analog signal
—
High
state
—
IBM computer
High
state Low state IBM luminance
signal
TTL 3BIT
computer
Low state Low state
Low state
While the information given is
true
at the time of printing, small
production changes
in the course
of our
company’s policy of
improvement through research
and
design might
not
necessarily
be
indicated in the
specifications.
We
would ask
you to
check
with your appointed
Sony dealer
if clarification
on any point
is
required.
Design and specifications
subject
to change
without notice.
17