Icom IC-M2A Service Manual page 7

SECTION 2
• MAIN UNIT
Antenna switching circuit
(D52: 1SV307)
APC
(IC50: NJM2125F)
Power amplifier
(Q54: 2SK2974)
IF amplifier
(Q151: 2SC2714 Y)
TX/RX switch
(D50, D51: MA77)
INSIDE VIEWS
TOP VIEW BOTTOM VIEW
2 - 1
Antenna switching circuit
( )
D90: 1SV307
D91: 1SS375
1st mixer
(Q150: 3SK272)
IF DETECTOR IC
(IC170: TA31136FN)
VCO circuit
PLL IC
(IC1: µPD3140GS)
Mic amplifier and
low pass filter circuits
(IC200: NJM2902V)
D/A converter
(IC190: M62363FP-650C)
CPU
(IC360: HD6433844RA60H)
EEPROM
(IC340: HN58X2416TI)