Dell E173FPc, Service Manual

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Dell E173FPc
58
(Connection for VGA) (Connection for DVI)
2. Seek the document with the expanded name of
.BAT
in DDC file of this model. It appears the indication of
“
Input Serial No.
：＂
after dual-click the document to be ready for DDC-writing.
3. Input the serial number of the product (For instance: AOC LM725 is 13 bits), and then press ENTER to start
writing
4.Check the indication of DDC-writing program at the end. When you see the picture as the schematic picture
above, the
“
Data compare OK!” Means being written well and that’s the end. Please check if the
Manufacturer Name, Vendor Assigned Code, Monitor Name, Serial Number, Week of Manufacture, Year of
Manufacture are right. It will appear ”Data compare error! ” To indicate failure if the DDC-writing doesn’t
perform well. Please check the power resource and the connection of the signal cable, then return to step 3
by pressing ENTER and re-do it.
5.You can exit the program by pressing Ctrl plus C, and then cut the signal cable and the power.
6.The following picture is taking AOC LM725 EDID for example.
Notes:
1. Make sure the system time of PC is in accordance with the real time before writing.
2. The schematic picture is just as an example for description; the exact content of the DDC is dependent on
the serial number of the BARCORD of this model.
3. Data DDC-writing needs a transfer interface.
Instruction
：
DDC-writing needs 4 files:
1. Barcode.txt (Supply Barcode length and flow number)
2. *.EXE (DDC-writing program)
3. WR.bat (Group order file for cycling utilization of *EXE, and dual-click this file when perform
DDC-writing)
4. W.dat (The content with 128 bits of DDC)