Icom IC-2720H - Control Unit (Bottom View); Main Unit (Bottom View)

• CONTROL UNIT (BOTTOM VIEW)
Dimmer
+8V regurator
(Q1: 2SC4116)
+5V regurator
(IC3: TA78L05F)
Sub CPU
(IC4: HD6473847RH)
Reset IC
(IC2: S-80945CLMC)
Data comparator
(IC1: TA75S01F)
Mic amplifier
IC5: TA75S558F
Q15: 2SC4116
Dimmer circuit
(Q6 - Q13: 2SC4116)
+8V regurator
Q1: 2SC4116
Q3: 2SA1586
D1: MA8091
+5V regurator
(IC3: TA78L05F)
Control unit CPU
(IC4: HD6473847RH)
Reset IC
(IC2: S-80945CLMC)
Data comparator
(IC1: TA75S01F, D2: MA8047)
Mic amplifier
IC5: TA75S558F
Q15: 2SC4116
• MAIN UNIT (BOTTOM VIEW)
D/A converter
(IC1: M62352GP)
+8V regurator
(IC2003: TA7808F)
Mic amplifier
(IC2014: TA75S558F)
Analog switch
IC2007: BU4066BCFV
IC2010: BU4066BCFV
D/A converter
(IC1: M62352GP)
UHF low-pass filter circuit
Ceramic bandpass filters
FI1000: CFWM450E
FI1001: CFWS450HT
FI1002: CFWM455E
APC amplifier
(IC2: TA75S01F)
PLL circuit
+5V regurator
(IC2002: TA7805F)
+8V regurator
(IC2003: TA7808F)
Mic amplifier
(IC2014: TA75S558F)
Analog switch
IC2007: BU4066BCFV
IC2008: BU4066BCFV
IC2010: BU4066BCFV
FM IF IC
IC1001: TA31136FN
IC1004: TA31136FN
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