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Sony PVM-2030 Operating Instructions Manual Page 17

Trinitron color video monitor.
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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

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