Block Diagram - Icom IC-2GA Service Manual

10-3 BLOCK
DIAGRAM
AC
INPUT
O
100/1
17/230V
Rectifier
D3, D4, D16,
D17
IN
4002
X
4
Saw
Tooth
Wave
Generator
Q2
2SA1015
Reverse Flow
Stopper
D14
1
SI 555
Voltage
Regulator
D1
RD9.1EB1
Q1 2SC1815
+9V
POWER
IND.
Phase Angle
Control
Gate
1/4 IC2
PPD4011B
Current
Control
D6 2P1M
Gate
Pulse
Generator
Q3
2SA970
Q4
2SC2440
I
Charging Current
Control
Q5
-
Q6
2SC945 X
2
Charging
Detector
Q10 2SC1740
CHARGE
IND.
r
I
i
Charging
Battery
Pack
i__.
Logic
Circuit
Charging Current
Q11
Q12
Selector
2SC1740 X
2
IC1
3/4 IC2
S3-S5
|iPD4011B X
2
D2MS
X
3
Current Selector data
10-2