Block Diagram - Icom ID-4100A Service Manual

SECTION 9

BLOCK DIAGRAM

VDET VIN
W300
D338
NOISE
FANHV
FIL
I SENS HV
DC1
IC310
CURRENT
IDET
DETECT
VCC
Q306 IC313
VCC +8
SW REG
Q301
PCON
PWR
CTRL
PSC
IC319
SW REG
5V
SW
(5.5 V)
REG
IC309 Q303,D326
IC314
3.3V
REG
D351
IC320
SW
IC324
LOWV D331,D333
D332
DET
IC323 C1340
4.2V SUPER
REG CAP
PDV ALARM
D325
To CPU To BT
IC311
3.3V
CPU3.3V
REG
IC306
BT3V
BT3.3V
REG
MAIN UNIT
5.5V
CONTROL UNIT
POWER
S3
LS8J2M KEY
LIMIT
S4~S11
POWER
KEY DET
IC2
D4,D18,D19
S14 LDIAL_A
A
LDIAL_B
B
COM
KEY9
SW-170
R1
VOL
CPU
R3
SQL
X1
CR-839
12.288 MHz
GPS
D3,IC7
Q32,Q34
IC307
UT8
UT8
UTX_C
SW
BTMIC
BUFF
Q27,Q28
VT8
VT8
VTX_C SW
J100
1
8V
2
MICU,D
EXTMIC 3
8V PTT 4
MICE 5
6
MIC
7
GND
8
MICIN
5V
5VS
3VS
HSJ1621-019011
IC403
3.3V
DSP3.3V
REG
J304
IC404
1.35V
DSP1.35V
IC300
REG
IC305
SD3V
SD3.3V
REG
IC301,IC304
EEPROM
D307,D309,D312,D314~D317
D321,D322
MATRIX
to MAIN UNIT to CONTROL UNIT
D304
X300
1 1
CLOCK
2 2
SHIFT
3 3
4 4
5 5 12.288 MHz
J3 J25 CLSFT1
PWRSW
1 1
2 2
3 3
4 4
LIMIT
5 5
6 6 5V
D335,D336,D328
J4 J300
D348~D350
D8,D9,D20,D21
+3.3V
5.5V
D12~D14
IC6
+3
+3.3V REG
IC5
RESET
RESET
Q12~Q14
DS14~DS21
LCD
BACK
LIGHT
Q6~Q8
DS4~DS9,DS11,DS12
KEY
BACK
LIGHT
IC8
3.3V
REG
LCD
GPSC
9-1
IC100,Q100 Q151,Q152
IC101
BTMIC
MIC ATT
SW MUTE
AMP
D334
MICU/D
MICU/D
DETECT
D340
MIC
MICSEL
DETECT
Q102,D100
PTT
MIC_PTT
DETECT
IC101,D101
IC112,D123,D124
98_DATA
LEVEL
CONV
IC318
232C
TX232
RX232
IC308
RESET
CPU
IC302
REALTIME
CLOCK IC
RTC_SDA
RTC_SCL
SD_CLK RTC_IRO
SD_CD RTC_RES
SD_CMD
SD_WP
SD_D0,SD_D1,SD_D2,SD_D3
J301 J305
B to B
microSD
CONNECTOR
D352~D357
J3
B to B 3VS
CONNECTOR
TEMP
TEMP
Bluetooth UNIT
DET
UT-137
Q149
DTCS
DTCS
SEL
DTCSSEL
IC112 IC112 IC112 IC103
FM
AMP
HPF IDC LPF
DV
IC100
IC12
IC14 IC12
SW
LPF
IC15
ALC
BUFF
AMP LINEAR
CODEC
IC104,Q154
DTMF
DTMF
MUTE
DTMUTE
VOX VOX
IC20
IC405
DSP3.3V
FLASH
DSP
ROM DSP1.35V
IC18
D28,D251~D254
CPU
12.288 MHz IC17
X3 AMP
CLOCK
CPU3.3 SHIFT
Q223
#12,#13 Only Other
IC303,D301,Q302 D302
CHG
BATTERY
BT300
VCC
IC106
PJ-3047S
AF
AMP
IC312,Q304,Q305,D327
J102
CLONE
SP1
MAIN_DASEL
IC104
DIGI/AN
SELECT
Q905,Q906
IC102
VCOMOD
MOD
MUTE
D/A
REFMOD
IC103
AMP
Q13
FM
LPF
IC13
DV
AMP
IC13 IC13
DAF
HPF LPF
Q106 IC110
SP ELEC.
MUTE VR
CLIN
AFMUTE
CLOUT
IC107
BUFF
BTAF