Circuit Description - ViewSonic VX912-4 Service Manual

4. Circuit Description

1. Outline
3.1. POWER On/Off , LED, Button"2" , Up arrow- button , Down arrow button , Button"1" , button , Down arrow button ,
Button"1" , on the front panel.
3.2. Video signal connector, and AC-IN are located on the back side of the cabinet.
3.3. OSD menu includes the following function;
AUTO IMAGE ADJUST
CONTRAST / BRIGHTNESS
COLOR ADJUST
INFORMATION
MANUAL IMAGE ADJUST
SETUP MENU
MEMORY RECALL
3.4. 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
ViewSonic Corporation
CN6 PIN
1
DB15HD
17 2
3
4
5
6
7
8
9
10
11
12
13
14
15
11
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
VX912-4