ViewSonic VX710 Service Manual - Page 17

Circuit Description

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4. Circuit Description 1. Outline 1.1 Buttons on the front panel: Power On/Off button, button 2 (ENTER / INPUT SELECT), up arrow button, down arrow button, button 1 (MENU). 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 (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 the UP / DOWN buttons. 2. Connectors 2.1 AC Socket: CEE22 type connector 2.2 Video signal connector for analog input: 15P Mini D-Sub CN6 10 5 9 4 8 3 7 2 6 1 DB15HD 16 17 15 14 13 12 11 3. Electrical Specifications 3.1 Standard conditions Display Area Video Signal Contrast Brightness Ambient Input Warming up Display 338 x 270 mm 0.7 Vpp 70% Max. 20 +/- 5 °C AC > 30 min 1280 x 1024 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 ViewSonic Corporation Confidential - Do Not Copy VX710 14

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1.
Outline
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;
2.
Connectors
CN6
DB15HD
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
16
17
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
4.
Circuit Description
3.
Electrical Specifications
3.1
Standard conditions
Display Area
338 x 270 mm
Video Signal
0.7 Vpp
Contrast
70%
Brightness
Max.
Ambient
20 +/- 5 °C
Input
AC
Warming up
> 30 min
Display
1280 x 1024
2.1
AC Socket:
CEE22 type connector
2.2
Video signal connector for analog input: 15P Mini D-Sub
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 the UP / DOWN buttons.
1.1
Buttons on the front panel: Power On/Off button, button 2 (ENTER / INPUT SELECT), up arrow
button, down arrow button, button 1 (MENU).
14
ViewSonic Corporation
Co
nfidential
- Do Not Copy
VX710