Samsung CL21A8W7X/DRI Service Manual page 30

Alignment and Adjustments
4-9-2 Pin Assignment Specification
PIN NO
FUNCTION
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
I/O
6
I/O
7
8
I/O
9
Vdd
10
GND
11
Vdd
12
CVBS
13
Vdd
14
GND
15
ADC
16
ADC
17
ADC
18
ADC
19
HS
20
VS
21 I/O
22
I/O
23
I/O
I/O
24
25
I/O
26
I/O
4-14
IN/OUT
ASSIGN
Write Protect Out
ROM SDA I/O
I/O
ROM SCL
In
Bus Stop
Main SDA I/O
Main SCL I/O
Sound Reset
Out
Video Reset Out
VDD 2.5V
VDD 3.3V
CVBS Input
In
VDD 2.5V
AFT In
SC1-ID
In
SC2-ID
In
Key1
In
H-Sync
In
V-Sync
In
Key3
In
Key2
In
X-Ray
In
IR-In
In
STD-LED
Out
TIM-LED
Out
ACTIVE H/L
Low
EEPROM Write Protection
EEPROM Serial Data Line
EEPROM Serial Clock Line
Low Disable Micom IIC
Peripheral IC Serial Data Line
Low
Peripheral IC Serial Clock Line
Low
MSP IC Initial Control
VDP IC Initial Control
TTX CVBS Input
Analog B+
Analog Ground
Auto Fine Tuning Control
Scart1 Ident
Scart2 Ident
Key1 Input
Horizontal Sync Input
Vertical Sync Input
Key3 Input
Key2 Input
X-Ray Protection
Remocon Signal Input
LED Drive Output(Red)
LED Drive Output(Green)
DESCRIPTION
Samsung Electronics