Philips ME5P, Service Manual

Page: 68 / 151

68 ME5P 15" & 20" DDC Instructions
To Monitor
D-sub/DVI cable
DC 8~12V
To Printer port
Power
indicator
To Monitor
D-sub cable
DC 8~12V
To Printer port
Power
indicator
General
DDC Data Re-programming
Analog DDC IC, & EEPROM
Additional information
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 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.
1. An i486 (or above) personal computer or compatible.
2. Microsoft operation system Windows 95/98 .
Y 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 .
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.
System and equipment requirements
ou have t
3. EDID46 Release For writing block4.EXE program .
Fig. 2 Fig. 2
Fig. 1 Fig. 1
1.
Pin
No.
Signal
Assignment Pin
No.
Signal
Assignment Pin
No. Signal
Assignment
1
T.M.D.S.
Data2-
9
T.M.D.S.
Data1-
1 7 T.M.D.S. Data0-
2
T.M.D.S.
Data2
+
10
T.M.D.S.
Data1
+
18
T.M.D.S.
Data0
+
3
T.M.D.S.
Data2/4 Shield
11
T.M.D.S.
Data1/3
Shield
19
T.M.D.S.
Data0/5 Shield
4 No connect 12 No connect 20 No connect
5 No connect 13 No connect 21 No connect
6 DDC Clock 14 + 5V Power 22
T.M.D.S. Clock
Shield
7 DDC Data 15
G round (for
+ 5V)
23 T.M.D.S. Clock +
8 No connect 16
H ot Plug
Detect
24 T.M.D.S. Clock-
Pin Assignment
The digital only connector contains 24 signal contacts organi
z
ed in
three rows of eight contacts. Signal pin assignments are listed in the
following table:
Fig. 3 Fig. 3
Go to cover page