Icom IC-M91D - Panel Description - Advanced Display Features; Position, Scan, and Battery Indicators; Softkey Functionality Overview

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SECTION 2
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INSIDE VIEWS
• MAIN UNIT
DATA LINE
LEVEL CONVERTER
(IC372)
NOISE CANCEL IC
(IC382)
+3.3 V REGULATOR
(IC220)
CPU
(IC360)
EEPROM
(IC340)
BACKLIT LED DRIVER
(Q240)
AF LPF
(IC363)
AF LPF
(IC200)
AF SW
(IC380)
AF MUTE SW
(IC260)
RESET IC
(IC341)
SPEAKER SW
(Q371)
AF AMP POWER LINE
CONTROLLER
(Q230)
BACKLIT LED DRIVER
(Q382)
TX MUTE SW
(IC366)
PTT CONTROL
(Q251)
DSC DECODER
(IC365)
D/A CONVERTER
(IC190)
MIC CONTROL
(Q250)
DC-DC CONVERTER
(IC383)
+5 V REGULATOR
(IC384)
AF POWER AMP
(IC362)
AF MUTE SW
(Q400)