Service manual
4. Circuit Description
1. Outline
Buttons on the front panel: Power On/Off button, button 2 (ENTER / INPUT SELECT), up arrow button,
down arrow button, button 1 (MENU).
D-sub 15pin connector, DVI-I connector and AC-IN jack are located on the back side of the cabinet.
OSD menu includes the following function;
Auto Image Adjust (only active under analog input)
l Contrast/Brightness
l Input Select
l Color Adjust
l Information
l Manual Image Adjust
l Setup Menu
l Memory Recall
Contrast and Brightness can be directly controlled with UP / DOWN buttons.
2. Connectors
AC inlet : CEE22 typed connector
Video signal connector for analog input: 15P Mini D-Sub
PIN MNEMONIC SIGNAL
1 RV Red Video
2 GV Green Video
3 BV Blue Video
4 NC None
5 GND Ground (DDC
return)
6 RG Red GND
7 GG Green GND
8 BG Blue GND
9 +5V +5V (for DDC)
10 SG Sync GND
11 NC None
12 SDA DDC Data
13 HS Horizontal Sync
14 VS Vertical Sync
15 SCL DDC Clock
CN6
DB15HD
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
16 17
Viewsonic Corporation 21 VP2130b-1 Confidential - Do Not Copy