2-3
• MAIN UNIT
(BOTTOM VIEW)
EXPANDER
(IC801)
EXPANDER
(IC802)
AF MUTE SW
(IC703)
AF MUTE SW
(IC704)
MIC AMP
(IC513)
AF MUTE SW
(IC503)
+1.1 V REGULATOR
(IC903)
NOISE CANCELING LSI
(IC903)
+3 V REGULATOR
(IC511)
AF MUTE SW
(IC502)
AF PRE-AMP
(IC702)
HORN MUTE SW
(IC505)
AF MUTE SW
(IC504)
AF BPF/MIC AMP
(IC506)
1ST IF FILTER
(For CH70)
(FI302)
1ST IF FILTER
(For CH70)
(FI303)