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55
PRELIMINARY
2 Theory of Operation (continued)
2.7 Battery Voltage Detection
Located at NH-SYS-P board (Auxiliary Power for System, Detect Circuit for Voltage and Current)
Located at NH-SYS-M board (System MCU and Control Circuit)
(a) MCU detects battery voltage via Vbatt_+ (98) and Vbatt_- (100).
+12VS
CP 8 0
G1
CP 7 9
-12VS
G1
RP 9 0
CP 5 7
RP 9 5RP94
CP 5 8
RP102
G1
RP100RP 9 9 RP10 1
RP 9 6
BAT+
RP 1 0 6
CP 5 9
RP109RP108
CP 6 0
RP118
G1
RP115RP114 RP 1 1 6
RP 1 1 0
BAT-
Vbatt+
Vbatt-
3
2
1
84
UP 10A
5
6
7
UP 10B
RM4 9
(98)
Vba tt+
CM2 8RM5 5
G1
12
3
DM10
5VS
Vba tt_+
RM6 2
(100)
Vba tt-
CM3 2
RM7 0
G1
12
3
DM15
5VS
Vba tt_-