![background image](http://html.mh-extra.com/html/icom/ic-m506/ic-m506_service-manual_612832008.webp)
2-3
• MAIN UNIT
(BOTTOM VIEW)
EXPANDER
(IC801)
EXPANDER
(IC802)
AF MUTE
(IC502)
8 V REGULATOR
(IC102)
ELECTRONIC VOLUME
(IC702)
AF MUTE SW
(IC703)
AF AMP
(IC706)
AF LPF/SQL AMP
(IC514)
MIC AMP
(IC513)
EEPROM
(IC905)
1.5 V REGULATOR
(IC903)
EEPROM
(IC904)
156.525 MHz BPF
(FI301)
MAIN POWER SUPPLY LINE SW
(Q512)
DSP
(IC901)
1ST IF FILTER (CH70)
(FI303)
3 V REGULATOR
(IC902)
3 V REGULATOR
(IC511)
1ST IF FILTER (CH70)
(FI302)