Input/Output Specification; Input Signal Connector; Factory Preset Display Modes - AOC VIT TFT1780PS Service Manual

17" LCD Color Monitor

4. Input/Output Specification

4.1 Input Signal Connector

D-SUB connector
Pin No.
1.
2.
3.
4.
5.
6.
7.
8.

4.2 Factory Preset Display Modes

Standard
Dos-mode
VGA
SVGA
XGA
SXGA
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.
1
6
11
15 - Pin Color Display Signal Cable
Description
Red
Green
Blue
Ground
DDC-Return
R-Ground
G-Ground
B-Ground
Resolution
720 × 400
640 × 480
640 × 480
640 × 480
640 × 480
800 × 600
800 × 600
800 × 600
800 × 600
832 × 624
1024 × 768
1024 × 768
1024 × 768
1280 × 1024
1280 × 1024
9
5
10
15
Pin No. Description
9.
10. Detect Cable
11.
12. DDC-Serial Data
13.
14.
15. DDC-Serial Clock
Horizontal
Frequency
31.47kHz
31.47kHz
35.00kHz
37.50kHz
37.86kHz
37.879kHz
46.875kHz
35.16kHz
48.01kHz
49.725kHz
48.363kHz
56.476kHz
60.02kHz
64.00kHz
80.00kHz
QDI TFT1780PSA
+5V
Ground
H-Sync
V-Sync
Vertical
Frequency
70Hz
60Hz
66.6Hz
75Hz
72Hz
60Hz
75Hz
56Hz
72Hz
75Hz
60Hz
70Hz
75Hz
60Hz
75Hz