Icom IC-M604 - Block Diagram

SECTION 10 BLOCK DIAGRAM
10 - 1
CHASSIS UNIT
HM-126R
HM-126R
DIAL UNIT SQL UNIT
FRONT
UNIT
VR UNIT
SP1
S1
ENCODER
E
UP
DN
SQLV
S5V
BUFF
DIM
CONT
IC1
FD64F2633RF28
CPU
3.3V
REG
L5V
LCD
MODULE
VCC
IC5
S-817B33AMC
Q15,16 KTC4075x2
Q17 KTA1664
IC6
TC74LCXR164245
DS1
HLM7784-010100
DS8-19
SML311YTx12
DS2-7,20-25
FY1101Fx12
X1
CR-691
9.8304MHz
KEY
BOARD
VOL1
VOL2
RESET
IC2 S-80942CNMC
D6 KDS4148U
L5V
REG
IC8
TA78L05F
IC4
HN58X2464TI
L5V
HV
HV
LOGIC UNIT
CI-V
I/F
Q4 KTC2875
D1 1SS372
ICF3
AF
MUTE
AF
AMP
RMUTE
RELAY
Q7 2SC3326
D5 DAP202K
IC3
LA4425A
RL2
BEEP
MICM
PRE
DRIVE
TX/RX
SW
XTAL
BPF
IF
AMP
YGR
AMP
PWR
AMP
APC
CTRL
PWR
CTRL
BPF
RF
AMP
BUFF
BUFF
BUFF
BRF
RF
AMP
ANT
SW
ATTBPF
ATT1
ATT2
TXDET
H/L
PCON
SEND
RF OUT
DET
HV
21.7MHz
FI4 FL-368
FI5 FL-399
D21
HSB88WS
Q8,9
PMBFJ310x2
Q1
3SK294
Q7
3SK294
Q13
2SC4215
Q14
2SC4215
Q23
2SC5110
D42,43
MA77x2
Q28
2SC3775
Q30 2SC3775
D44 1SS355
IC13
RA35H1516M
IC14 NJM2107F
Q37 DTC144TU
D49 MA8051
Q33
DTC144EU
D1,D46
L308CCBx2
D3,4
1SV307x2(#21,22)
D11
HSB88WS
Q32 DTC144TU
D47,48 HSM88ASRx2
T8
CTRL
Q35 2SA1577
Q36 DTC144EU
T8
8V
NOISE
AMP
NOISE
DET
LOOP
FIL
IF
AMP
XTAL
BPF
NOISE
AMP
CERAMIC
BPF
NOISE
DET
X3 CR-804
21.25MHz
CERAMIC
BPF
X2
IF
AMP
IF
AMP
RIPPLE
FIL
2ND
MIX
2ND IF
AMP
FM
DET
2ND LO
BUFF
IC1 TA31136FNG
D12 MA8036
X1 CDBKB450KCAY24
2ND
MIX
FM
DET
IC6 TA31136FNG
D22 MA8036
X2 CDBKB450KCAY24
2ND IF
AMP
2ND LO
BUFF
RX VCO
30.15MHz
FI1
FL-404
Q3,4
PMBFJ310x2
Q2 2SC4215
D15 MA742
Q10
2SC4215
FI6 ALFYM450F=K
FI3 CFWM450E
Q16 2SC4116
Q12 PMBFJ310
D32,33 HVC358Bx2
Q11
2SC4116
R8
BUFFBUFF
X4
CR-827
15.3MHz
LOOP
FIL
LPF
BUFF
PWR
CTRL
BUFF
AF
AMP
+5
REG
RIPPLE
FIL
+8
REG
PWRON
R8
CTRL
IC12
UPD3140GS
PLL
IDC
R8
TX/
CH70
VCO
MOD
IC8a M5218AFPIC8b M5218AFP
Q19 2SC4215
Q15 2SC4215 Q27 2SC5110
VCC
Q3 DTC144EU
Q4 2SA1577
D2 1SS355
IC9a
M5218AFP
EL
VOL
MIC
AMP
IC11 M5222FP
IC14 NJM2107F
RL3
IC9b
M5218AFP
RELAY
IC10
TA8225LQ
IC2
TA78L05F
Q1 2SB1132
Q2 DTC144EU
Q51 2SB1143
Q52,53 2SD1664x2
Q18 PMBFJ310
D37,39,40 1SV214x3
R88V
Q21 DTA144EU
Q22 DTC144EU
D41 1SV308
SHIFT
SW
Q17
2SC4116
8V
R8
5V
12V
8V
5V
IC1
TA7808S
RL1
Q21 2SC4116
D11 1SS355
BUFF
BUFF
BUFF
BUFF
BUFF
BUFF
PWR
CTRL
PWR
CTRL
DATANM
DATANM
COMON1
COMON2
SCRAM
UNIT
OPTION
IC7
BU4066BCF
OPTION2
HM-162
or HM-157
IC5
BU4066BCF
MIC/DSC
STRU
SCOUT
STRU
SCOUT
HAILOUT
MICS2
SPS2
MICS1
SPS1
IC16
BU4066BCF
D
A
A
D
B
C
A
B
C
IC20
NJM2017F
HAILIN
C
BFOGC
Q18
2SK1069
IC13e,f BU4584BFV
Q24 2SK1069
Q25 2SC4081
Q26 2SA1576
IC13a,b BU4584BFV
Q28 2SK1069
Q29 2SC4081
Q30 2SA1576
Q22 2SC4081
Q23 DTC144EU
D13 DA204K
D14 MA8062
(NMEA)
(GPS)
IC19
TC7S14FU
IC12 PC357N
D12 1SS355
PHOTO
COUPLER
Q1 TPC6104
Q2 KRC404
Q3 TPC6104
Q4 KRC404
NMEA OUT
NMEA IN +
NMEA IN -
External GPS
EXT SP
(OPTION)
D1 DSA3A1
HV
REVERSE
CONNECT
PROTECT
HAIL SP
OPTION1
HM-162
or HM-157
HV
HV
HPF
LPF
BPF
SQL
AMP
BPF
AF
MUTE
SQL
WXDEC
PCON
MICM
DEC1
DEC2
MIC
AMP
IC4
BU4066BCF
ATIS
DECODER
DSC
DECODER
D/A
5V
MICM
AFSUB
INCMH
INCHM
EXPAND
IC17,18
BU4094BCFVx2
IC6a
M5218AFP
C
D
A
B
IC15 M62363FP
D35 1SV288
IC11
TC4W53F
RXADJ
Q11,12
2SC4116x2
Q13
2SJ144
IC3c,d
NJM2902V
IC9
NJM2211M
IC2
NJM2125F
IC3a
NJM2902V
IC3b NJM2902V
(#26,27)
IC4 NJM2211M
(#26,27)
MIC
AMP
DET
IC6b
M5218AFP
IC5
BU4584BFV
BUFF
Q9 2SC4116
D7 1SS355
MAIN UNIT
AF UNIT
CONNECT UNIT
CH70
CHASSIS UNIT
LPF
ANT
HLC
D
FOG DSC SCOUT
EEPROM
VOLTAGE LINE
TX LINE
RX LINE
Explanatory notes
COMMON LINE