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Figure 14
External connector configurations
The LCD Display has one external connector. Main connector is situated at the back. It is 13 pin Coax
D-connector and has pins for operating voltage (18 – 36 VDC), display signals, and serial
communication RS232.
LCD Display 13 pin Coax D-connector (main connector)
Pin No
1
2
3
4
5
6
7
8
9
10
A1
A2
A3
Document No. 8502856
LCD interface board block diagram
I/O
Signal
I
Dirty Ground
I
Intensity
I
Hsync2
I
Vsync2
I
Contrast
I
18 – 36 VDC
I
GND
O
RXDD RS232
I
TXDD RS232
I
On/Standby
I
Blue GND & Blue video 2
I
Green GND & Green video 2
I
Red GND & Red video 2
Technical description A-ELEC
Notes
horizontal deflect
vertical deflect
from keyboard
to keyboard
active when low
D-19
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