Philips 230E1HSB, Service Manual, Page: 16 / 76

230E1 LCD
16
DDC instructions
General
DDC Data Re-programming
In case the DDC data 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.
* According to the design concept of this product,
DDC data of VGA/DVI/HDMI interface are saved in
EEPROM(IC 24C02)
Additional information
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.
System and equipment requirements
1. An i486 (or above) personal computer or compatible
2. Microsoft operation system Windows 98/2000/XP
3. Installation software of "EDID_Tool_3.7"( for VGA and
DVI EDID) or "EDID_Tool_4.2" ( for HDMI)
4. Executive program "EDID_Tool_3.7"( for VGA and DVI
EDID) or "EDID_Tool_4.2" ( for HDMI)
5. ISP tool kit, as shown in Fig1
Connect the EDID tool as follow in Fig1: The parallel port
connects to the computer. VGA or DVI or HDMI port
connects to the Monitor.
Including: a. Alignment fixture x 1
b. Printer cable (LPT type) x 1
c. D-sub to D-sub cable x 1 or DVI to DVI Cable x
1 or DVI to HDMI x 1
Fig 1
Install and setup EDID_Tool_3.7 program
Step 1: Double press the “EDID_Tool_3.7.exe”,as follow:
Step 2: The EDID Tool Install finished.
Fig 2
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