Ddc Instructions & Ddc Data - Philips ME5P Service Manual

68 ME5P 15" & 20"
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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" 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. An i486 (or above) personal computer or compatible.
2. Microsoft operation system Windows 95/98 .
Y ou have t o Install the EDID_PORT_Tool under Win2000/XP . As
Fig. 1 .
A. Cody 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. EDID46 Release For writing block4.EXE program .
4. DDC 2BI-ISP TOOL:
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
Note: The EDID46.EXE is a windows-based program, which cannot
be run in MS-DOS.
To Printer port
DDC Instructions
Pin Assignment
The digital only connector contains 24 signal contacts organized in
three rows of eight contacts. Signal pin assignments are listed in the
following table:
".
DC 8~12V
Power
indicator
Fig. 1 Fig. 1
Fig. 2 Fig. 2
To Printer port
DC 8~12V
To Monitor
D-sub/DVI cable
To Monitor
D-sub cable
Power
indicator
1.
Pin Signal Pin Signal
No. Assignment No. Assignment
T.M.D.S. T.M.D.S.
1 9
Data2- Data1-
T.M.D.S. T.M.D.S.
2 10
Data2+ Data1+
T.M.D.S.
T.M.D.S.
3 11 Data1/3
Data2/4 Shield
Shield
4 No connect 12 No connect 20 No connect
5 No connect 13 No connect 21 No connect
14 +5V Power
6 DDC Clock
Ground (for
7 DDC Data 15
+5V)
Hot Plug
8 No connect 16
Detect
Fig. 3 Fig. 3
Pin Signal
No. Assignment
17 T.M.D.S. Data0-
T.M.D.S.
18
Data0+
T.M.D.S.
19
Data0/5 Shield
T.M.D.S. Clock
22
Shield
23 T.M.D.S. Clock+
24 T.M.D.S. Clock-