Circuit Description - ViewSonic VX912 Service Manual

4. Circuit Description

1. Outline
1.1 Power On/Off, 2Enter button (INPUT SELECT), up arrow- button, down arrow button, 1MENU button,
button on the front panel.
1.2 D-sub 15pin connector, DVI-I connector and AC-IN jack are located on the back side of the cabinet.
1.3 OSD menu includes the following function;
Auto Image Adjust (only active under analog input)
Contrast/Brightness
Audio Adjust
Color Adjust
Information
Manual Image Adjust
Setup Menu
Memory Recall
1.4 Contrast and Brightness can be directly controlled with UP / DOWN key.
2. Connectors
2.1 AC inlet : CEE22 typed connector
2.2 Video signal connector for analog input: 15P Mini D-Sub
16
ViewSonic Corporation
CN6
PIN
DB15HD
1
17
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15
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