Voltage Block Diagram - Icom IC-M506 Service Manual

4-6 VOLTAGE BLOCK DIAGRAM

Voltage from the power supply is routed throughout the transceiver, through regulators and switches.
+5
REG
IC512
+3
REG
IC511
Q511
Q512
HV
POWER
PWR
VCC
CTRL
SUPPLY
MAIN UNIT
IC4
LOGIC UNIT
3.3 V
L3V
REG
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Q11
Q12
T5V
T5
Transmit circuits
CTRL
Q14
Q13,Q15
R3V
Receive circuits
R3
CTRL
IC902
3.3 V
Noise canceller
REG
R8 R8V
Receive circuits
SW
Q16
Q17
Option
AIS8V Option
8V 8V
SW
REG
AIS8V
IC102
CPU
AIS
4-5