Samsung HL-R4667W - Page 68

PCB Diagram
Samsung Electronics 9-7
9-3-3 Analog Board Connector Pin
CN122
For Debugging
Pin No. Pin Name
1 SDA-DMD
2 SCL-DMD
3 GND
4 5VA
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
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
CN123
For Debugging
Pin No. Pin Name
1 SDA-A
2 SCL-A
3 GND
4 5VA
CN105
Connecting Power to the Digital Board
Pin Name PIN No. Pin Name
3.3V-ATI 1 2 3.3V-ATI
3.3VB-D 3 4 3.3V-ATI
3.3VB-D 5 6 GND
GND 7 8 GND
GND 9 10 6.5VA-D
GND 11 12 GND
5.7VB 13 14 9VA
5.7VB 15 16 GND
GND 17 18 30VA
GND 19 20 5VA
12VB 21 22 5VA
GND 23 24 GND
9VB 25 26 GND
GND 27 28 33VB
GND 29 30 GND
www.freeservicemanuals.info
9/13/15
Published in Heiloo, Holland.