ViewSonic VA720 Service Manual - Page 6

2.2. FACTORY SUPPORTING MODES Primary Preset Factory Preset Modes VESA 1280 x 1024 @ 60 Hz 1. VESA 640 x 350 @ 70Hz, 31.47kHz, -/+ 2. VESA 720 x 400 @ 70Hz, 31.467kHz, +/3. VESA 640 x 480 @ 60Hz, 31.469kHz, -/4. VESA 640 x 480 @ 72Hz, 37.861kHz, -/5. VESA 640 x 480 @ 75Hz, 37.5kHz, -/6. MAC 640 x 480 @ 67Hz, 35kHz, 7. VESA 800 x 600 @ 56Hz, 35.156kHz, +/+ 8. VESA 800 x 600 @ 60Hz, 37.879kHz, +/+ 9. VESA 800 x 600@ 72Hz, 48.077kHz,+/+ 10. VESA 800 x 600 @ 75Hz, 46.875kHz, +/+ 11. MAC 832 x 624 @ 75Hz, 49.725kHz, 12. VESA1024 x 768 @ 60Hz, 48.363kHz, -/13. VESA1024 x 768 @ 70Hz,56.476kHz, -/14. VESA 1024 x 768 @ 72Hz, 58.036kHz, -/15. VESA 1024 x 768 @ 75Hz, 60.023kHz, +/+ 16. MAC 1024 x 768 @ 75Hz, 60.241kHz, 17. VESA 1280 x 1024 @ 60Hz, 63.981kHz, +/+ 18. VESA 1280 x 1024 @ 75Hz, 79.976kHz, +/+ 19. MAC 1152 x 870 @ 75Hz, 68.6kHz, 2.3. D-SUB CONNECTOR This section describes the pin assignment of the LCD's video connector. It is called 15 Pin Mini D-sub Connector. Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Signal Connector Red Video Signal Green Video Signal Blue Video Signal N.C. Ground Ground Ground Ground +5v Ground N.C. DDC data Horizontal sync signal Vertical sync signal DDC clock ViewSonic Corporation Confidential - Do Not Copy VA720-2 3