Connection Pin Assignments; Rgb Input Signals (Recommended Timing) - Sharp LC-20VM2 Operation Manual

Connecting to computer

Connection Pin Assignments

RGB input terminal: 15-pin mini D-sub female connector
5 4 3 2
10 9 8
15 14 13 12
CONTROL terminal: 9-pin mini Din female connector
8
9
6
5
2 1

RGB Input Signals (Recommended Timing)

Input signal
Video signal:
Analog input 0 to 0.7Vp-p 75
polarity)
Horizontal synchronizing signal:
TTL level (negative polarity)
Vertical synchronizing signal:
TTL level (negative polarity)
Video signal time chart
IBM, DOS/V type
VIDEO SIGNAL
HORIZONTAL
SYNC SIGNAL
a
VIDEO SIGNAL
VERTICAL
SYNC SIGNAL
w
18
US
Pin No.
1
1
2
3
4
5
6
7
7 6 8
11
Pin No.
1
7
2
3
4
5
3
6
7
4
8
9
terminal (positive
1H
b c d
x y z
1V
Signal
Analog input(red)
Analog input(green)
Analog input(blue)
Not connected
Composite sync
GND (Analog red)
GND (Analog green)
GND (Analog blue)
Signal Name
-
RD Receive Data
SD Send Data
-
SG Signal Ground
-
RS Request to send
-
-
MODE
VIDEO
FRONT PORCH a
SYNC
BACK PORCH
VIDEO PERIOD d
1H
H-SYNC
1dot
1/H
1/dot
LEVEL
SYNC POLARITY
FRONT PORCH w
SYNC
BACK PORCH
VIDEO PERIOD z
V-SYNC 1V
1/V
LEVEL
SYNC POLARITY
Pin No.
Signal
9
Not connected
10
GND
11
GND
12
Not connected
13
Horizontal sync signal
14
Vertical sync signal
15
Not connected
I/O Reference
Not connected
Input Connected to internal circuit
Output Connected to internal circuit
Not connected
Connected to internal circuit
Not connected
Output Connected to internal circuit
Not connected
Not connected
GRAPHIC
dot
line
LEVEL
0.7Vp-p, 75
TYPE
dot
dot
b
dot
c
dot
dot
s
ns
kHz
MHz
+ / –
H
H
x
y H
H
H
ms
Hz
+ / –
IBM
VGA
640
480
load
RGB
-
-
50
640
800
31.7776
39.7219
31.4688
25.175
TTL
–
-
-
32
480
525
16.6832
59.9405
TTL
–