Hitachi CP-DX250 Service Manual page 9

2.2.3 Electrical Interface Character
2.2.3.1 Interface Definition： ： ： ：
15 pin definition of the mini D-sub female for DDC2B protocol
Pin Definition Pin
1 Red (Pr)
6 Red return
11 GND
Video Input
1 1 1 1
C o m p o s i t e i n p u t C o m p o s i t e i n p u t C o m p o s i t e i n p u t C o m p o s i t e i n p u t
S-Video input
4 3
2 1
RS232 Control Port
Mini USB TYPE B
Definition
2 Green (Y)
7 Green return
12 SDA
Pin
1
Pin
1
2
3
4
Pin
1
3
5
7
9
Pin
1
2
3
4
5
5
1
6
1 0
1 5
1 1
Pin Definition
3 Blue (Pb)
8 Blue return
13 H-sync
Definition
Composite video input
Definition
GND
GND
Luminance
Chroma
Definition
NC
TX
GND
RTSZ
NC
Definition
Vbus
D-
D+
ID
GND
8
Pin Definition Pin Definition
4 NC 5
9 DDCP 5V 10
14 V-sync 15
Pin Definition
2 RX
4 NC
6 NC
8 CTSZ
NC
GND
SCL