Service manual

ViewSonic Corporation Confidential - Do Not Copy Q9b-2
5
2. Specification
2-1 GENERAL specification
Test Resolution & Frequency 1280x1024 @ 75Hz
Test Image Size Full Size
Contrast and Brightness Controls
Factory Default:
Contrast = 90%, Brightness = 100%
2-2 VIDEO INTERFACE
Input Connector (refer the appendix A) DB-15 (Analog)
Default Input Connector Defaults to the first detected input
Video Cable Strain Relief
Equal to twice the weight of the monitor for five
minutes
Video Cable Connector DB-15 Pin out Compliant 2B
Video RGB (Analog)
Separate Sync
Video Signals
TMDS (Digital)
Video Impedance 75 Ohms (Analog), 100 Ohms (Digital)
Maximum PC Video Signal 950 mV with no damage to monitor
Maximum Mac Video Signal 1250 mV with no damage to monitor
Sync Signals TTL
DDC2B Compliant with Revision 1.0
Sync Compatibility Separate Sync
Video Compatibility
Shall be compatible with all PC type computers,
Macintosh computers, and after market video
cards
Resolution Compatibility
640x350, 720x400, 640x480, 800x600, 832x624,
1024x768, 1152x864,
1152x870, 1280x960, 1280x1024
Exclusions Not compatible with interlaced video
2-3 USB INTERFACE
N/A