Ddc Instructions - Philips 170S5FG/00 Service Manual

18 170S5 LCD
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General
DDC Data Re-programming
In case the DDC data memory IC or main EEPROM which storage all
factory settings were replaced due to a defect, the serial numbers have
to be re-programmed" Analog DDC IC, & EEPROM
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.
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 95/98 .
Y ou have t o Install the EDID_PORT_Tool under Win2000/XP . As
Fig. 1 .
A. Cody the "UserPort.sys" to C:\WINNT\system32\drivers(win2000)
C:\WINDOWS\system32\drivers(winXP)
B. Running " io.exe" everytime, Before you start to programming
edid data .
3. EDID45.EXE program .
4. A/D Alignment kits (3138 106 10079):
inclusion : a. Alignment box x1 (as Fig. 2)
Fig. 2 Fig. 2
b. Printer cable x1
c. (D-Sub) to (D-Sub) cable x1

DDC Instructions

Note: The alignment box has already build-in a batteries socket for
".
Power
indicator
Fig. 1 Fig. 1
Pin assignment
A. 15-pin D-Sub Connector
using batteries (8~12V) as power source. Pull out the socket by
remove four screws at the rear of box. Please do not forget that
remove batteries after programming. The energy of batteries can
only drive circuits for a short period of time.
To Printer port
DC 8~12V
To Monitor
D-sub cable
PIN No. SIGNAL
1 Red video input
2 Green video input / sync on green
3 Blue video input
4 GND
5 GND –Cable detect
-
6 Red video GND
7 Green video GND
8 Blue video GND
9 DDC +3.3V or +5V
10 Logic GND
11 GND
12 Serial data line (SDA)
13 H-sync / H+V
14 V-sync
15 Data clock line (SCL)
Fig. 3 Fig. 3