Icom AH-3 User Manual

CS1
CS2
CS3
EN
COMMAND
CLR
Vdd
RESET
IC4, IC5, IC6
IC1
IC13
IC20
IC19
Q1
Q3, Q4
IC7, Q2
IC10, IC11, IC12
L1, D1-D4, IC14
R6 - R14
IC15, IC17, IC 18, Q11, Q12
D8 - D11, Q9, Q11, IC15
BUFFER
LATCHES
RELAY DRIVERS
PWR
PWR
|z|
PHASE
SWR1 SWR2
SWR3
CP11
BUFFER
CONTROL
CPU
VOLTAGE
REGULATORS
+ 8 V
+ 13.8 V
KEY
START
RL2
RF IN
TUNE
DETECTOR
SWR
ATTENUATOR
PHASE
IMPEDANCE
FWD POWER
BUFFER
DETECTOR
DETECTOR
CP12 CP13
CP14
CP15
CP17
J6
J5
Q7Q6Q5
DATA
ANTENNA
L6, D12, D13, , IC 16, IC17
IC8
AH-3 BLOCK DIAGRAM
NORMAL
+ 5 V
RL1
TUNE
GATE
CPU
C NETWORK
L NETWORK

Icom AH-3 Specifications

General

Brand	Icom
Model	AH-3
Category	Tuner
Language	English