Canon DC20 E - Power Supply Section

Battery charge
Power for DC JACK
Power for Battery
31
34
23
68
69
71
22
70
9
78
12
77
13
76
16
73
17
19
72
18
33
VCC1
IC3201
MB44A126
DC/DC
CONVERTER
CONTROL
5 V IN 4V OUT
IC3200
NJM2881F31
3.1V REGULATOR
5 V IN 4V OUT
IC3203
NJM2865F3-46
4.6V REGULATOR
59 OUTC 9
A/DI
CHARGE
INIT CHG1
ST TMG
E3DET CS
LCD BL VFB
PANEL BL CTRL
E3V
62 VCC3
65 OUT 9
35 CTL 6
36 CTL 7
32 CTL
64
CHRG CTL1
63 CHRG CTL2
47 CS OUT2
46 CS OUT 1
4 −INA
3 +INA
29 RT
61 +INC9
60 −INC9
51 VOUT 3
CHARGE
48 VCC2
74 VCCO1
75 VCCO2
37
8
80
MAIN PCB(8/8)
FU3201
FU3203
FU3205
FU3200
FU3202
FU3204
OSC
CH1
CH2
CH5
2
1 3
45
Q3203
1.2V (CH1)
Q3205
Q3211
2
1 3
45
Q3201
1.4V (CH2)
CH7
CH6
2
1 3
45
Q3202
2.7V (CH5)
CH4
2
1 3
45
Q3213
P5V (CH4)
CH3
2
1 3
45
Q3204
3.45V (CH3) (DM-DC20)
Q3204
3.3V (CH3) (DM-DC10)
PRISM 1.2V
VTR UNREG
FE UNREG 2
FE UNREG 1
ST UNREG
HTG2.7V
AA 2.7V
AVDD3.3V
AA4.7V
CAM2.7V
PLL2.7V
P 5V
LCD 5V
CAM3.5V
AVDD2.7V
DVDD2.7V
CCD 15V
CCD −7V
MACS1.4V
DVDD 1.4V
AVDD1.4V
4
3
2
1
5
6
7
8
T3201
D3202
D3203
LCD 8.5V
D3201
LPF
LPF
LPF
LPF
LPF
LPF
DC +
DC +
DC −
DC −
JACK DET
DC J DET
DC V DET
VTR ON
VTR ON IC3201
A/D I
CHARGE
INIT CHG1
ST TMG
E3DET CS
E3V
PANEL BL CTRL
LCD BL VFB
X CAM ON
A/D V
CN3200
Q1803
2
3
4
5
1
BATT +
BATT −
TO
SYSTEM CONTROL SECTION
MAIN PCB
D1801
4 3 2 1
5 6 7 8
Q3208
2
1 3
45
Q1802
FU1800
TO
CARD/LI,DC JACK PCB SECTION
DC JACK PCB
Q1804
2
1 3
45
Q3206
2.5V (CH7)
DDR2.5V
SDRAM2.5V
FLASH SRAM3.3V
DVDD3.3V
USB VOLT
LCD3.3V
AVDD3.3V
CAM3.3V
FLASH SRAM3.3V
DVDD3.3V
USB VOLT
LCD3.3V
DVDD 2.5V
CH8
Q3207
Q1801
2
Q3200
1
5
4
6
3
LCD BL POW
LCD BL ON
TO
CAMERA SECTION-2
MAIN PCB
TO
CAMERA SECTION-4
MAIN PCB
POWER SUPPLY SECTION
C
CANON INC. 200501 Sep. 2005
DC10 E, DC20 E
DC20 A
DC20 E
DM-DC20
ONLY
DC20 A
DC20 E
DM-DC20
ONLY
DC20 A
DC20 E
DM-DC20
ONLY
DC10 A
DC10 E
DM-DC10
ONLY
DC20 A
DC20 E
DM-DC20
ONLY
DC20 A,DC20 E,DM-DC20 ONLY