Icom ID-4100A

3-1
SECTION 3 INSIDE VIEWS
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• MAIN UNIT
(TOP VIEW)
• ??? UNIT
(BOTTOM VIEW)
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DTMF MUTE
(IC104)
J5
J301
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ELECTRONIC VOLUME IC
(IC110)
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3.3 V REGULATOR
(IC403)
4.2 V REGULTOR
(IC323)
DIGITAL/ANALOG AF MUTE
(IC109)
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VCO
AM/FM SW
(IC119)
PRE AMP
(Q510)
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ALC AMP
(IC14)
BTMIC SW
(IC100)
VOX AMP
(IC112)
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• MAIN UNIT
(TOP VIEW)
FPGA
(IC306)
PPI RAM
(IC150)
LED CONTROLLER
(IC304)
FLASH ROM
(IC20)
VOLTAGE DETECT IC
(IC13)
3.3 V REGULATOR
(IC311)
VCC SW
(Q306)
FAN CTRL
(Q30)
J1
3.3 V REGULATOR
(IC314)
SD3V REGULATOR
(IC305)
SELECT IC
(IC218)
MIC AMP
(IC101)
IF IC
(IC120)
D/A CONVERTER
(IC1)
RF AMP
(Q500)
RF AMP
(Q17)
CERAMIC BPF
(FI100)
CERAMIC BPF
(FI101)
CPU
(IC29)
TX BUFF
(IC36)
LCD
(IC300)
FIFO
(IC20)
STC
(IC215)
FTC
(IC219)
LVDS
(IC301)
LED CONTROLLER
(IC305)
ONE SHOT IC
(IC217)
BUFF
(IC201)
D/A
(IC32)
DETECT IC
(IC211 to IC213)
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• MAIN UNIT
(BOTTOM VIEW)
• ??? UNIT
(BOTTOM VIEW)
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DRIVE AMP
(Q41)
PLL IC
(IC206)
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J100J300J25
J305
DSP
(IC18)
BT3V REGULATOR
(IC306)
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CPU
(IC300)
EEPROM
(IC301, IC304)
+8 V REGULATOR
(IC313)
J103
J102
CPU
(IC405)
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POWER AMP
(UHF BAND)
(IC4)
POWER AMP
(VHF BAND)
(IC3)
LOOP FILTER
(IC207)
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J304
DRIVE AMP
(Q40)
APC CTRL
(IC2)
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LINEAR CODEC
(IC15)
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1.5V REGULATOR
(IC7)
DC-DC
(IC5)