Canon DC20 E - 3. Built-in Charger Circuit

DC10 E, DC20 E
TECHNICAL DESCRIPTION
7
3. Built-in Charger Circuit
Fig. 4
PM SECTION
BATT. TERMINAL
MAIN PCB
DC JACK PCB
DETECT
+
−
DC JACK
CN3200
DETECT
DC+
DC−
CN3200
BATT −
BATT TEMP
BATT INFO D
BATT INFO B+
BATT +
THERMISTOR
BATTERY
CN100
IC3201
DC/DC
CONVERTER
CONTROL
IC100
SUB
MI-COM
OSC
OUTPUT
DRIVE
CONTROL
E3V
BATT TEMP
BATT INFO D
DC V DET
DC J DET
E3V
CHARGE
INIT CHARGE1
A/D V
A/D I
2829
64 63
VCC
62
65 61 60
59
51
31
34
27
12
13
28
29
38
39
B+
D
A12
2,3
4,5
1
BATT TEMP
A13BATT INFO D
A14 BATT INFO B+
A15,B9-15BATT+
RIGHT COVER
UNREG.
CN104
A12 BATT TEMP
A13BATT INFO D
A14 BATT INFO B+
A15,B9-15BATT+
Q1801
FU1800
Q1802
Q1803
−
+