Philips 300WN5QS/97, Service Manual, Page: 30 / 87

30 300WN5
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DDC Instructions
1. Configuration and procedure
There are two ICs contained serial number on the circuit board,
Analog Flash ROM IC (7301), and main EEPROM (7302) which
storage all factory settings. Following descriptions are the
connection and procedure for Analog Flash ROM IC , the main
EEPROM can be re-programmed along with Analog IC by
enable factory memory data write function on the DDC
program (EDID301.EXE).
2. DDC re-programming instructions
Start on DDC program
Start Microsoft Windows.
1. Insert the disk containing EDID301.EXE program into floppy disk
drive.
2. Click , choose Run at start menu of Windows 95/98.
Initialize alignment box
In order to avoid that monitor entering power saving mode due to
sync will cut off by alignment box, it is necessary to initialize
alignment box before running programming software (EDID301.EXE).
Following steps show you the procedures and connection.
Step 1: Supply 8~12V DC power source to the Alignment box by
plugging a DC power cord or using batteries.
Step 2: Connecting printer cable and video cable of monitor as Fig. 1
Step 3: Run the EDID301.EXE program until the main menu appears.
This is for initialize alignment box.
Re-programming DDC IC
Step 1: After initialize alignment box, connecting all cables and box as
Fig. 2 for analog DDC, Fig.3 for digital DDC
Step 2: Press and hold "Menu" and "Plus" buttons then power on the
monitor.
Step 3: Follow the steps on DDC re-programming instructions to staring
re-programming.
~
~
PC
T
o
printer
port
(L
TP1)
DC Power
8~12 V
Fig. 1
Printer
Port
D-sub video cable
To
Monitor
To PC
~
~
PC
T
o
video
card
T
o
printer
port
(L
TP1)
DC Power
8~12 V
Fig. 3
Printer
Port
To
Monitor
To PC
DVI to D-sub cable
~
~
PC
T
o
video
card
T
o
printer
port
(L
TP1)
DC Power
8~12 V
Fig. 2
Printer
Port
To
Monitor
To PC
D-sub video cable
DVI
D-sub
D-sub video cable