Service manual

9. CONNECTOR PIN ASSIGNMENT
9.20 Service Manual BSM-4100
Alarm Indicator Board
CN1 (for MAIN board)
Pin Number Signal Name Signal Description
1
2
3
4
+15V
XRED
XYELLOW
XGREEN
+15 V supply voltage
Red LED cluster control
Yellow LED cluster control
Green LED cluster control
Power SW Board
CN101 (for MAIN board)
Pin Number Signal Name Signal Description
1
2
3
4
5
6
7
8
9
10
11
12
+15V
XKEY_POWER
XLED_POWER
XLED_STBY
XLED_BATOP
XLED_BTCHG
E2
E2
XKEY_REC
XLED_PAPER
+5V
E2
+15 V supply voltage
Power switch
Power LED
AC power LED
Battery power LED
Battery charging LED
Digital ground
Digital ground
Record key
Out of paper LED
+5 V supply voltage
Digital ground