HP L1502 Service Manual page 22

22 HP L1502 LCD
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Re-programming Analog DDC IC
Step 1: After initialize alignment box, connecting all cables and
box as shown in Fig. 12
Fig12
Step 2: Read DDC data from monitor
1. Click icon as shown in Fig. 13 from the tool bar to bring up
the Channels "Configuration Setup" windows as shown in Fig. 14.
I
2. Select the DDC2B as the communication channel.
As shown in Fig. 14.
3. Click OK button to confirm your selection.
4. Click icon (Read EDID function) to read DDC EDID data from
monitor. The EDID codes will display on screen as shown in Fig. 15.
DDC Instructions
Step 3: Modify DDC data (verify EDID version, week, year)
1. Click
Step 1 of 9 as shown in Fig. 16 .
45
EDID301 DDC application provides the function selection and
text change (select & fill out) from Step 1 to Step 9.
Step 4: Modify DDC data (Monitor Serial No.)
1. Click Next , bring up Fig. 17.
Fig.13
Fig.14
2. Click Next , bring up Fig. 18.
Fig.15
(new function) icon from the tool bar, bring up
Fig.18
Fig.16
Fig.17