109P2 GS39CM25
DDC Instructions
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There are two chips (IC) to store the serial number of monitorAdditional information :
as below.Additional information about DDC (Display Data Channel)
may be obtained from Video Electronics Standards
DDC IC (with EDID data)
Association (VESA).
OSD IC (EEPROM)
Extended Display Identification (EDID) information may be
To write the serial number of monitor to DDC IC and OSD ICalso be obtained from VESA.
simultaneously.
Please follow the indications as below.Pinassignment
- 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
15
IC.
610
- Turn off monitor (leave factory mode).1115
- Press OSD button, select MONITOR STATUS, verify the updated
serial number of monitor.
Pin No. AssignmentPin No. Assignment
1Red video input9No pin
Toaccessfactorymode:
2Green video input10Logic ground
3Blue video input11Connected to pin 10
-Turnoffmonitor(don'tturnoffPC)
- Hold "" and "" simultaneously on the front control panel,4Connected to pin 1012Serial data line
then press "", wait till the OSD menu with characters "(SDA)
factory mode (below OSD menu)" come on the screen of monitor
5Ground13H.sync/H+V
as shown in Fig. 1 .
6Red video ground14V. sync (VCLK for
- If OSD menu disappears on the screen of monitor, press ""7Green video groundDDC)
again (anytime), then the OSD menu comes on the screen again.
8Blue video ground15Data clock line(SCL)
- using "," : to select OSD menu.
Connection
"," : to increase or decrease the setting.
(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
on monitor again (at this moment, the OSD menu goes back to
user mode).
Fig1
Tovideocard
00195
Toprinterport(LTP1)
Video cable
DDC data re-programming
1. General
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.
and
[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).
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