Philips HP L2035, Service Manual

Page: 17 / 77

DDC Instructions
25
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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. 4
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. 4
Step 2: Follow the steps on DDC re-programming instructions to staring
re-programming.
Note: DVI-Dto D-Sub adapter can be removed if graphic card of PC with
a DVI-D interface connector.
Re-programming Analog Device As Fig. 4
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.
4. Click button. The main menu appears (as shown on Fig. 7).
Note:
If the connection is improper, you will see the following error
message before entering the main menu. Meanwhile, the
(read EDID) function will be disable. At this time, please make
sure all cables are connected correctly and fixedly, and the
procedure has been performed properly.
3. At the submenu, type the letter of your computer's floppy disk drive
followed by :EDID301 (for example, A:\EDID301.exe,)
as shown in Fig. 6.
Fig. 7
Command bar
Tools bar
Status bar
Fig. 6
Loading DDC data from monitor
1. Click icon on the tools bar to bring up the Configuration Setup
windows as Fig.8
2. Select the DDC2B as the communication channel.
3. Enable Factory memory data write function and fill in page address
F0 to the block.
4. Disable Software DDC function.
5. Click button to confirm your selection.
Note: The Factory memory data write function will allow EDID301 to
rewrite serial numbers both Analog DDC IC and main EEPROM to
make sure both S/N are exactly the same. You may confirm the
function by checking the S/N at Product information of the OSD
menu after restarting the monitor.
6. Click icon to read DDC EDID data from monitor. The EDID
codes will display on screen as following. (The EDID codes are
depend on the model.) Meanwhile, The status bar will indicate 00%
to 100% when reading.
Fig. 8
HP L2025
7
HP L2025
HP L2025
17
HP L2035
Fig. 4
1
2
1=DVI-I connector
2=D-SUB connector
DVI-I to D-Sub cable
~
~
PC
T
o
video
card
T
o
printer
port
(L
TP1)
DC Power
8~12 V
To
Monitor
To PC
Printer
Port
D-Sub connector