User`s manual

98 PCA-6740 User's Manual
CN6- External speaker (pins 1,3,5,7)
External speaker
connector
Table A-5a: External speaker connector
Pin Signal
1+ 5 V
3 N/C
5 Internal speaker input
7 External speaker signal
CN6- Keyboard lock connector (pins 2,4)
Keyboard Lock
Connector
Table A-5b: Keyboard lock connector
Pin Signal
2 keyboard lock
4 GND