Furuno FE-700 Service Manual page 17

I/O Signals of LCD Module
Pin Signal
1 STH1
2 OEH
3 Q2H
4 CPH1
5 CPH2
6 CPH3
7 GND
8 BLUE
9 GREEN
10 RED
11 VB
12 RL
13 STH2
14 VEE
15 Vcom
16 VGH
17 VDD
18 STV2
19 OEV
20 CPV
21 UD
22 STV1
23 VSS
24 Vgoff
Source Driver Start Pulse 1 ( When RL is High )
Pulse for switching the output current of the Source Driver
Control signal for switching the Video Data for the Source Driver
Source Driver Sampling Pulse 1
Source Driver Sampling Pulse 2
Source Driver sampling Pulse 3
0 V
Video Signal (Blue)
Video Signal (Green)
Video Signal (Red)
Controls buffer current of Source Driver Output
+3V ( change left/right shift direction )
Source Driver Start Pulse 2
Positive source voltage (+5V) for the Source Driver
Applied voltage for facing electrode(amplitude changes with brightness
control)
+12V for the Gate Driver
+3V for the Source Driver and Gate Driver
Gate Driver Start pulse 2
Selects the output of the Gate Driver ( H: VGL output )
Clocked pulse for the Gate Driver
-15V ( change upper/lower shift direction )
Not Used
Negative source voltage( -15V ) for Gate Driver
Gate Off voltage ( The level is changed by Brightness Adjuster )
I/O Signals of LCD Module
Specification/Function
10