Table of Contents
16
150B LCD
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1. General
DDC Data Re-programming
In case the DDC data memory IC or main EEPROM which storage all
factory settings were replaced due to a defect, the serial numbers have
to be re-programmed.
It is advised to re-soldered DDC IC and main EEPROM from the old
board onto the new board if circuit board have been replaced, in this
case the DDC data does not need to be re-programmed.
Additional information
Additional information about DDC (Display Data Channel) may be
obtained from Video Electronics Standards Association (VESA).
Extended Display Identification Data(EDID) information may be also
obtained from VESA.
DDC EDID structure
For Analog interface: Standard Version 3.0
Structure Version 1.2
2. System and equipment requirements
1.
An i486 (or above) personal computer or compatible.
2.
Microsoft operation system Windows 95/98.
3.
EDID30.EXE program (3138 106 10075) shown as Fig. 1
4.
A/D Alignment kits (3138 106 10079) shown as Fig. 2. This kit
contents:
a. Alignment box x1
b. Printer cable x1
c. D-Sub cable x1
Note: The EDID30.EXE (Release Version 1.5 1999.11.17)is a
windows-based program, which cannot be run in MS-DOS.
Meanwhile, it is also fully compatible with previous programs
DDCV2X.EXE series(MS-DOS based).
EDID30.EXE
Figure 1
Diskette with EDID30.EXE
DC 8V~12V
To Monitor
Fig. 2 A/D Alignment Kits
Back
DDC Instructions
Ver:1.5
Power indicator
To Printer
Video Card
Video Card
Note: The alignment box has already built-in a batteries socket for using
batteries (9V) as power source. Pull out the socket by remove four
screws at the rear of box. Please do not forget that remove
batteries after programming. The energy of batteries can only
drive circuits for a short period of time.
3. Pin assignment
1
6
11
Pin No.
Assignment
1
Red video input
2
Green video input
3
Blue video input
4
Identical output - connected to pin 10
5
No connected
6
Red video ground
7
Green video ground
8
Blue video ground
9
No pin
10
Logic ground
11
Identical output - connected to pin 10
12
Serial data line (SDA)
13
H. Sync / H + V
14
V. Sync (VCLK for DDC)
15
Data clock line (SCL)
5
10
15
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