Icom IC-M23

2 - 2
VCO
• MAIN UNIT
(BOTTOM VIEW)
PRE-DRIVE AMP
(Q53)
IF DEMODULATOR IC
(IC170)
AF POWER AMP
(IC362)
AF LPF/LIMIT AMP/AF AMP
(IC200)
NOISE AMP
(IC365)
D/A CONVERTER
(IC190)
TX POWER AMP
(Q54)
TX POWER AMP
(Q55)
REFERENCE FREQUENCY
OSCILLATOR
(X1)
PLL IC
(IC1)
EEPROM
(IC340)
CPU CLOCK
(X360)
DISCRIMINATOR
(X170)
2ND IF FILTER
(FI170)
1ST IF FILTER
(FI151)
1ST IF FILTER
(FI150)
CHARGING CONTROL SW
(Q602)
5 V REGULATOR
(IC602)
WET SENSING JACK
(J602)
CPU
(IC360)
3 V REGULATOR
(IC220)
FLASHING LED
(DS247)