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DDC Instructions
21
200WP7 LCD
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General
Pin Assignment
Input DVI-D connector pin assignment
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"Analog DDC IC, & EEPROM".
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.
System and equipment requirements
1.
2.
Fig. 3
To Printer port
DC 8~12V
DC 8~12V
To Monitor
D-sub/DVI cable
To Monitor
D-sub cable
Power
indicator
Power Pin No.
indicator 1
Fig. 1
A. Copy the "UserPort.sys" to C:\WINNT\system32\drivers(win2000)
C:\WINDOWS\system32\drivers(winXP)
B. Running " io.exe" everytime, Before you start to programming
edid data .
3. EDID45.1exe program .
4. DDC 2BI-ISP TOOL:
Fig. 4
Input analog D-SUB connector pin assignment
Note: The EDID45.1EXE is a windows-based program, which cannot
be run in MS-DOS.
To Printer port
TMDS data2TMDS data2+
TMDS data2/4 shield
NC
NC
DDC clock
DDC data
NC
TMDS data1TMDS data1+
TMDS data1/3 shield
NC
NC
+5V
Ground (return for +5V and H/Vsync)
Hot plug detect
TMDS data0TMDS data0+
TMDS data0/5 shield
NC
NC
TMDS clock shield
TMDS clock+
TMDS clock-
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
An i486 (or above) personal computer or compatible.
Microsoft operation system Windows 95/98 .
You have to Install the EDID_PORT_Tool under Win2000/XP . As
Fig. 1 .
Inclusion :
A. DDC2BI-ISP TOOL(3138 106 10396) x1 (as Fig. 2)
B. Printer cable x1
c. (D-Sub) to (D-Sub) cable x2
D. D-SUB to DVI cable X1
Description
Fig. 2
PIN No.
1
SIGNAL
Red
2
Green/ SOG
3
Blue
4
Sense (GND)
5
NC
6
Red GND
7
Green GND
8
Blue GND
9
DDC +5V
10
Cable detect (GND)
11
Sense (GND)
12
Bi-directional data
13
H/H+V sync
14
V-sync
15
Data clock
Fig.5