Icom IC-A22 Service Manual page 11

RF UNIT
RF POWER METER
50 Ω/1–10 W
FREQUENCY
COUNTER
R4057 Power adjustment
CP2 Tune voltage
check point
R4068 Tune voltage
adjustment
MAIN UNIT
to [SP]
to [ANT]
to [MIC]
4 - 2
ATTENUATOR
40 or 50 dB
MILLIVOLTMETER
AUDIO GENERATOR
Reference frequency
C4101
adjustment
DC POWER SUPPLY
to [DC 12V] 12 V/2 A or more
R5087
Modulation
R5047
adjustment
R5098
MODULATION
ANALYZER
DUMMY LOAD
8 Ω
AC
300–3000 Hz