Canon PowerShot S400 Service Manual page 122

2.5 MAIN PCB ASS'Y (4/4)
From
BATTERY BOX UNIT
01 APRIL, 2003
MAIN PCB ASS'Y(4/4)
V BATT
C1901
L1901
IC1901
SW REG CONTROL
MB39A102PFT
25
OUT1
29
-INE1
28
FB1
L1904
5
VCC
26
VCCO
24
OUT2
3
FB2
2
-INE2
L1902
OUT3
13
FB3
14
-INE3
L1903
22
OUT4
17
-INE4
18
FB4
6
CTL
27,4,12,19
DTC1-4
16
CS4
15
CS3
Q1903
PWM SWITCH
D1903 L1908
MCH3306 T1901
1 8
L1909
5
D1904
4 L1910
7
2
C1930, C1936,
1931 1937
3 6
L1905 L1907
4 5.6
Q1904 C1927,
PWM SWITCH
1928
3
SSM6J08FU
L1912
D1905
T1902
1 4
C1934
D1906 L1913
3
8
C1932
Q1905
6
PWM SWITCH
2
MCH3306
C1935
C1933
L1914
7 5
L1915
D1907 D1908
D1902
L1906 L1911
1 6
2
Q1907
VDD3 SWITCH
4
Q1906 UMF5N
3
PWM SWITCH
SSM6K08FU
5
3 4
5 4
6 1 3
2
2
6
5
Q1901
1
CONTROL SWITCH
SSM6N16FE
Q1902
SWITCH
XP6213
VBATT
VCC1SD
VCC1
VCC1A
VCC1L
VDD2
VCC2HDR
VEE2
VCC2AFE
VDD3
D1007
E1LAT
EX35
POWER
E3 LAT
EX38
E2 LAT
EX36
C CANON INC., 2003