Service manual
3. Electrical Interface Character
Interface Definition
• 15 pin definition of the mini D-sub male for DDC2B protocol
Pin
Definition
Pin
Definition
Pin
Definition
Pin
Definition
1 Red video
(Pr)
2 Green Video
(Y)
3 Blue Video
(Pb)
4 NC
5
NC
6 Red Video
Return
7 Green Video
Return
8 Blue Video
Return
9 NC 10
Sync. Return
11
Monitor ID
bit 0
12
Bi-directional
data (SDA)
13
Horizontal
Sync
14 Vertical Sync 15
Data clock
(SCL)
• Video Input
• S-Video input
Pin Description
1 GND
2
GND
3 Luminance
4 Chroma
• Control Port
RS232 cable :
Pin
Definition
1 Composite video
input
12
ViewSonic Corporation Confidential - Do Not Copy PJ513D-1










