Circuit Description - ViewSonic vx912-1 Service Manual

4. Circuit Description

1. Outline
1.1 POWER On/Off , LED, Button"2" , Up arrow- button , Down arrow button , Button"1" , button ,
Down arrow button , Button"1" , on the front panel.
1.2 Video signal connector, and AC-IN are located on the back side of the cabinet.
1.3 OSD menu includes the following function;
AUTO IMAGE ADJUST
CONTRAST / BRIGHTNESS
COLOR ADJUST
INFORMATION
MANUAL IMAGE ADJUST
SETUP MENU
MEMORY RECALL
1.4 CONTRAST and BRIGHTNESS can be directly controlled with UP / DN key.
2. CONNECTORS
2.1 AC inlet : CEE22 typed connector
2.2 Video signal connector 14P + Mini D-Sub
16
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ViewSonic Corporation
CN6
DB15HD
17
MNEMONI SIGNAL
RV Red Video
GV Green Video
BV Blue Video
NC None
GND Ground(DDC return)
RG Red GND
GG Green GND
BG Blue GND
+5V + 5V (for DDC)
SG Sync GND
NC None
SDA DDC Data
HS Horizontal Sync
VS Vertical Sync
SCL DDC Clock
Confidential - Do Not Copy
15
VX912