Inside Views - Icom IC-M220 Service Manual

SECTION 2
• MAIN UNIT (TOP VIEW)
PRE DRIVER
(Q13)
Inside the shielded case.
AF AMPLIFIER
(IC701)
+3 V REGULATOR
(IC511)
+5 V REGULATOR
(IC512)
POWER CONTROL
(Q511)
NMEA BUFFER
(IC551)
PHOTO COUPLER
(IC552)
J1
• MAIN UNIT (BOTTOM VIEW)
BANDPASS FILTER
(D16)
RF AMPLIFIER
(Q101)
POWER CONTROL
(Q17)
APC CONTROL
(IC2)

INSIDE VIEWS

2-1
POWER AMPLIFIER
(Q14)
Inside the shielded case.
YGR AMPLIFIER
(Q12)
DIRECT CONVERSION IC
(IC301)
DIRECT CONVERSION IC
(IC201)
Inside the shielded case.
MAIN UNIT
26.0 MHz
REFERENCE OSCILLATOR
(X2)
MICROPHONE AMPLIFIER
(IC505)
ELECTRIC VOLUME
(IC506)
BIAS CONTROL
(Q19)
AF MUTE
(IC703)
PER AMPLIFIER
(IC702)
J2