Philips 150B, Service Manual

Page: 22 / 64

22 Hudson 150B
Go to cover page
Forward
Back
DDC Instructions
General
Pin assignment
1
10 6
11
15
5
Assignment
Assignment
Pin No.
Pin No.
Ground
Cable detect
Ground Blue video input
2
7
6
8
4
5
3
1 9
12
11
14
13
15
10
Red video ground
Blue video ground
Green video ground
DDC +5V
Ground
Data clock line(SCL)
V.Sync(VCLK for DDC)
H/H+V Sync
Serial data line(SDA)
Green video input
Red video input
A. 15-pin D-Sub Connector
DDC Data Re-programming
Additional information
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.
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 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.
DDC EDID structure
For Analog interface: Standard Version 3.0
Structure Version 1.2
1. An i486 (or above) personal computer or compatible.
2. Microsoft operation system Windows 95/98.
4. A/D Alignment kits (3138 106 10079) :
inclusion : a. Alignment box x1 (as Fig. 2)
b. Printer cable x1
c. (D-Sub) to (D-Sub) cable x1
Note: The EDID301.EXE (Release Version 1.58 20000818)is a
windows-based program, which cannot be run in MS-DOS.
System and equipment requirements
3. EDID301.EXE program (3138 106 10103) as shown in Fig. 1
as shown in Fig. 4
d. (DVI-D) to (D-Sub) cable x1 (as Fig. 3)
Meanwhile, it is also fully compatible with previous programs
DDCV2X.EXE series(MS-DOS based).
Diskette with EDID301.EXE
EDID301.EXE
Ver:1.58
(DVI-D) to (D-Sub) cable
Note: The alignment box has already build-in a batteries socket for
using batteries (9V) 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 Monitor
DC 8V~12V
Video Card Video Card
To Printer
Power
indicator
A/D Alignment Kits - Analog connection A/D Alignment Kits - Analog connection
Fig. 2 Fig. 2
Fig. 4 Fig. 4
Fig. 1 Fig. 1
Fig. 3 Fig. 3
http://jdwxzlw.com/?fromuser=华盛维修
家电维修资料网，免费下载各种维修资料