Philips BDL4221V/00, Service Manual

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420WN6 LCD TV
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Fig. 3 Fig. 3
General
Pin assignment
A. 15-pin D-Sub Connector
DDC Data Re-programming
Analog DDC IC, & EEPROM
Additional information
In case the DDC data memory I C or 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 I C 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 about DDC ( D isplay D ata C hannel) may be
obtained from V ideo Electronics Standards Association ( V ESA). Extended
D isplay Identification D ata(E D I D ) information may be also obtained from
V ESA.
1. An i 486 (or above) personal computer or compatible.
2 . Microsoft operation system W indows 95/9 8 .
Y o Install the E D I D _POR T _ T ool under W in 2000 /XP . As
Fig. 1 .
A. C ody the "UserPort.sys" to C :\ W I NNT \system3 2 \drivers(win 2000 )
C :\ W I ND O W S\system3 2 \drivers(winXP)
B. Running " io.exe" everytime, Before you start to programming
edid data .
4 . A/ D Alignment kits (313 8 1 06 1 0 39 6 ):
inclusion : a. Alignment box x1 (as Fig. 2 )
b. Printer cable x1
c. (
D -Sub) to ( D -Sub) cable x1
System and equipment requirements
ou have t
3. E D I D4 5.EXE program .
N ote: T he alignment box has already build-in a batteries socket for
using 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.
T he energy of batteries can
only drive circuits for a short period of time.
batteries (8~12V)
Fig. 2 Fig. 2
Fig. 1 Fig. 1
T o Printer port
T o Monitor
D -sub cable
T o P C
DDC I N S T RU CT IO N S
PI N N o. SI GN A L b(P C )
1 Red
2 G reen
3 Blue
4 GND
5 GND
6 Red GND
7 G reen GND
8 Blue GND
9 + 5 V (Supply from P C )
1 0 Sync GND
11 GND
1 2 Bi-directional data
13 H -sync
1 4 V -sync
15 D ata clock