HP L1940 Service Manual

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DDC Instructions
HP L1940
Step 3: Modify DDC data (verify EDID version, week,
year)
Click (new function) icon from the tool bar, bring up
Step 1 of 9 as shown in Fig. 31 .
EDID46 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. 32.
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. 30.
Fig. 32
2. Select the DDC2Bi as the communication channel.
As shown in Fig. 29.
Fig. 29
Fig. 30
Fig. 31
Select and fill out,
If necessary.
Re-programming Digital DDC IC
Step 1: After initialize alignment box, connecting all
cables and box as shown in Fig. 27.
Fig. 28
Step 2: Read DDC data from monitor
1. Click icon as shown in Fig. 11 from the tool bar to bring up
the Channels "Configuration Setup" windows as shown in Fig. 28.
Fig. 27
Click this button
=====>
D-sub to DVI-D cable
1=DVI-D connector
2=D-sub connector
3=Power Plug
2
1
3
D-sub cable
DC Power
8 12V~
PC
To video card
To printer port (LTP1)
To
Monitor
Printer
Port
Fig. 38
Fig. 35
Fig. 36
7. Click Next , bring up Fig. 38.
4. Click Next , bring up Fig. 35.
5. Click Next , bring up Fig. 36.
6. Click Next , bring up Fig. 37.
In this step, please confirm the Descriptor Data Type is
Monitor Range Limits, and all the items are same as below.
Fig. 37
2. Click Next , bring up Fig. 33.
Fig. 33
Fig. 34
3. Click Next , bring up Fig. 34.

HP L1940 Specifications

General

Brand	HP
Model	L1940
Category	Monitor
Language	English