AOC QDI TFT1780PSA, Service Manual, Page: 9 / 34

17” LCD Color Monitor QDI TFT1780PSA
9
4. Input/Output Specification
4.1 Input Signal Connector
D-SUB connector
1 5
6
10
11 15
15 - Pin Color Display Signal Cable
Pin No. Description Pin No. Description
1. Red 9. +5V
2. Green 10. Detect Cable
3. Blue 11. Ground
4. Ground 12. DDC-Serial Data
5. DDC-Return 13. H-Sync
6. R-Ground 14. V-Sync
7. G-Ground 15. DDC-Serial Clock
8. B-Ground
4.2 Factory Preset Display Modes
Standard
Resolution
Horizontal
Frequency
Vertical
Frequency
Dos-mode
720 × 400 31.47kHz 70Hz
640 × 480 31.47kHz 60Hz
640 × 480 35.00kHz 66.6Hz
640 × 480 37.50kHz 75Hz
VGA
640 × 480 37.86kHz 72Hz
800 × 600 37.879kHz 60Hz
800 × 600 46.875kHz 75Hz
800 × 600 35.16kHz 56Hz
800 × 600 48.01kHz 72Hz
SVGA
832 × 624 49.725kHz 75Hz
1024 × 768 48.363kHz 60Hz
1024 × 768 56.476kHz 70Hz
XGA
1024 × 768 60.02kHz 75Hz
1280 × 1024 64.00kHz 60Hz
SXGA
1280 × 1024 80.00kHz 75Hz
Note : The factory preset mode for DOS is 720x400 @70Hz, user can optimize to DOS 640x400 @70Hz by running
the “How To Optimize The DOS Mode” on the previous pages.