Samsung SP42L6HN Service Manual page 63

9-3-3 Analog Board Connector Pin
CN119
Connecting Power to the DMD
Pin No. Pin Name
1 5VB
2 5VB
3 GND
4 GND
5 12VB
6 12VB
7 GND
8 GND
9 GND
CN106
Connecting Side Buttons
Pin No. Pin Name
1 GND
2 KEY1
3 KEY2
4 GND
CN105
Connecting Power to the Digital Board
Pin Name PIN No.
3.3V-ATI 1
3.3VB-D 3
3.3VB-D 5
GND 7
GND 9
GND 11
5.7VB 13
5.7VB 15
GND 17
GND 19
12VB 21
GND 23
9VB 25
GND 27
GND 29
Samsung Electronics
Pin Name
2 3.3V-ATI
4 3.3V-ATI
6 GND
8 GND
10 6.5VA-D
12 GND
14 9VA
16 GND
18 30VA
20 5VA
22 5VA
24 GND
26 GND
28 33VB
30 GND
CN123
For Debugging
Pin No. Pin Name
1 SDA-A
2 SCL-A
3 GND
4 5VA
CN121
Connecting Power and the Control Signal to the Actuator
Protection Board
Pin No. Pin Name
1 GND
2 12VB
3 GND
4 SDA-M1
5 SCL-M1
6 GND
7 5VA
8 GND
9 70VB
10 GND
CN102
Connecting the IR signal
Pin No. Pin Name
1
2 GND
3 5VA
CN101
Connecting front LED indicators
Pin No. Pin Name
1 5VA
2 KEY-PWR
3 GND
4 LED1
5 LED2
6 LED3
PCB Diagram
IR
9-7