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DDC Instructions 109P2 GS3 CM25 9
9 Go to cover page
There are two chips (IC) to store the serial number of monitor Additional information :
as below. Additional information about DDC (Display Data Channel)
may be obtained from Video Electronics Standards
DDC IC (with EDID data)
OSD IC (EEPROM)
Extended Display Identification (EDID) information may be
To write the serial number of monitor to DDC IC and OSD IC also be obtained from VESA.
Please follow the indications as below. Pin assignment
- Access the factory mode of monitor. The 15-pin D-sub connector (male) of the signal cable (3 rows)
- Execute DDCV2A F0.EXE for DDC feature :
- Follow DDC instructions to write serial number to DDC IC and OSD
- Turn off monitor (leave factory mode). 11 15
- Press OSD button, select MONITOR STATUS, verify the updated
serial number of monitor.
Pin No. Assignment Pin No. Assignment
1 Red video input 9 No pin
To access factory mode: 2 Green video input 10 Logic ground
3 Blue video input 11 Connected to pin 10
- Turn off monitor (don't turn off PC)
- Hold " " and " " simultaneously on the front control panel, 4 Connected to pin 10 12 Serial data line
then press " ", wait till the OSD menu with characters " (SDA)
factory mode (below OSD menu)" come on the screen of monitor
5 Ground 13 H.sync/H+V
as shown in Fig. 1 .
6 Red video ground 14 V. sync (VCLK for
- If OSD menu disappears on the screen of monitor, press " " 7 Green video ground DDC)
again (anytime), then the OSD menu comes on the screen again.
8 Blue video ground 15 Data clock line(SCL)
- using " , " : to select OSD menu.
" , " : to increase or decrease the setting. Connection
(Rear of the monitor)
- Using " " to confirm the selection.
To leave factory mode
* After alignment of factory mode, turn off monitor (if you do not turn
off monitor, the OSD menu is always at the factory mode), then turn To video card
on monitor again (at this moment, the OSD menu goes back to
To printer port (LTP1)
DDC data re-programming
In case the DDC data memory IC, replaced due to a defect the
109P V3.08 000601
data contents of this IC have to be re- programmed via a PC.
In case of replacement of the video (or deflection) board it is
DDC Instructions advised to re-soldered DDC IC from the old board onto the new
This [DDC Module (DDC cable)= 4822 320 12004(=4822 724 27550)] board, in this case the IC dose not need to be re-programmed.
[DDC V2(DDCV2A .EXE) software(3.5" disk)=3138 106 10065 ] 2. DDCV2A.EXE can be used for :
are used for "BU Monitor - Chungli product range" which EDID Structure Version/Revision
incorporates a DDC1/DDC2B function that allows Version :1
bi-directional communication between the monitor and Revision :0 (text file)
PC system for optimal video configuration. and
[January 31 2000, Revision 3.3] ,which upgrades the software and Version :1
service information(4822 727 21027 & 4822 727 21038) , is fully Revision :2 (.hex file)
compatible with previous one (DDCV2A F0.EXE).
10 109P2 GS3 CM25 DDC Instructions (Continued)
9 Go to cover page
DDC Reprogramming Instructions (for How to write DDC hex files to Monitor
Use arrow keys to highlight "Options" under the Setup menu,
DDC Module (DDC cable), P/N = 4822 320 12004 Tab down to ID Serial Number, use down arrow key to place
An Intel 386 (or above) PC or compatible the asterisk (*) beside "store in DEC with LSB first". Press
DOS 6.0 or above
"control/enter" to save.
(Ensure the top asterisk (*) is beside in store in HEX with LSB
Connect DDC Cable between PC and Monitor. Use arrow keys to highlight "Load EDID" under the file menu,
Turn on Monitor and PC. press "Enter".
Access Factory Mode of monitor.
Verify Factory Mode by OSD function of monitor. Use arrow keys to highlight "PHILIPS\", Press "Enter".
Insert diskette in Drive a: Select Run "DDCV2A F0(Zero).EXE" under
DOS or Win. (hit the space bar once ) Use arrow keys to highlight "the model list under subdirect",
Verify the data and version of DDC application software.
It should be : January 31 2000
Use arrow keys to highlight "Write EDID to EEPROM" under
the R/W menu, press "Enter".
Press "Enter" at the introduction screen
Use arrow keys to highlight "Read from EEPROM" under the
Menu Configuration: R/W menu, press "Enter".
Use arrow keys to highlight "Edit EDID Code" under the R/W
File R/W Setup Quit
menu, press "Enter".
Load EDID Write EDID to EEPROM Options
Load txt file (V1.0) Read From EEPROM Barcode format Verify the ID Serial number on the screen matches the serial
Save EDID Edit EDID Code number of the unit.
Save txt File Auto Scan
Convert EDID Code Verify EDID Structure Version is "Version :2, Revision :1
Exit 11 Press "ESC"
General : 12 Use arrow keys to highlight "Quit", Press "Enter".
1. How to change drive
Use arrow keys to highlight "Options" under the Setup
menu, press "Enter".
Press "F2", then press "ESC", fill in "A" or "C". Menu Configuration:
[(If your .HEX files for different Model numbers in drive "A",
then fill in "A")., File R/W Setup Quit
(If your .HEX files for different Model numbers in drive "C",
then fill in "C"). Load EDID Write EDID to EEPROM Options
Normally, to read DDC data from EEPROM of Monitor is Load txt file (V1.0) Read From EEPROM Barcode format
enough.] Save EDID Edit EDID Code
Press "Enter", then press "ESC" Save txt File Auto Scan
Convert EDID Code
2. How to select .HEX files for different Model numbers Exit
Use arrow keys to highlight "Load EDID" under the File
menu, press "Enter"
Bring up PHILIPS\ press "Enter"
Bring up ..\