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DDC Data format and VGA Connector Allocations
Basic EDID consist of 128 bytes
Number
8 Bytes
Header
10 Bytes
Vender/Product Identification
2 Bytes
EDID Version/Revision
5 Bytes
Basic Display Parameters/Features
10 Bytes
Color Characteristics
3 Bytes
Established Timings
16 Bytes
Standard Timings
72 Bytes
Detailed Timing Description
1 Bytes
Extenion Flag
1 Bytes
Checksum
IN VIDEO
IN SYNC
DISPLAY DATA COMMUNICATION BUS
(DDC)
HEATER
MAIN
AC
POWER SW
POWER SUPPLY
JIG
I/O(RS232C)
D BOARD
Description
System Block Diagram
VIDEO BLOCK
A-BOARD
DC POWER
Sync
2
I
C-BUS
1Kv
Deflection
PS Mode
SYNC PROC.&
CONTROL
N-BOARD
15 pin VGA type connector
Pin No.
Assignment
1
RED Video
2
GREEN Video
3
BLUE Video
4
Option
5
Return
6
Red Return
7
Green Return
8
Blue Return
9
Option +5V
10
Sync Return
RGB VIDEO
FOCUS/G2
OSD
STATIC/
FOCUS
DYNAMIC
BLOCK
FOCUS
FBT
H & V
DEFLECTI
ON
I/O
HV
I/O
-
-
24
Pin No.
Assignment
11
Option
12
Data(SDA)
13
H SYNC
14
V SYNC
15
Clock(SCL)
D.CONV
H/V
DEF.
TILT
USER
CONT
H
BOARD
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