Block Diagram - Icom IC-M604 Service Manual

SECTION 10

BLOCK DIAGRAM

CHASSIS UNIT
HM-126R
HM-126R
FRONT
UNIT
SP1
DIAL UNIT SQL UNIT VR UNIT
S1
UP
S5V
E
DN
ENCODER
SQLV
DS1 IC6
HLM7784-010100 TC74LCXR164245
KEY
BOARD
LCD
BUFF
MODULE
IC5
X1
S-817B33AMC
CR-691
9.8304MHz
L5V 3.3V
REG
Q15,16 KTC4075x2
Q17 KTA1664
VCC
DIM
CONT
IC1
FD64F2633RF28
DS8-19
SML311YTx12 CPU
IC4
DS2-7,20-25
HN58X2464TI
FY1101Fx12
EEPROM
Q4 KTC2875
D1 1SS372
IC2 S-80942CNMC
D6 KDS4148U
CI-V
I/F
HV
RESET
IC8
TA78L05F
L5V L5V HV
REG
ICF3
LOGIC UNIT
Explanatory notes
VOLTAGE LINE
TX LINE
RX LINE
COMMON LINE
MAIN UNIT
IC3a
NJM2902V
WXDEC
LPF
IC4 NJM2211M IC3b NJM2902V
(#26,27) (#26,27)
ATIS
DECODER HPF
IC2
NJM2125F
SQL SQL
AMP
DEC1
IC9 IC3c,d
NJM2211M NJM2902V
BUFF
DEC2 DSC
BPF
DECODER
IC5
BU4584BFV
VOL1
VOL2
PCON
D/A
5V
IC15 M62363FP
D35 1SV288
IC11
TC4W53F
RXADJ
Q9 2SC4116
RL2 D7 1SS355 DET
BEEP
RELAY
IC17,18
MICM BU4094BCFVx2
RMUTE
EXPAND
IC3
LA4425A
AF AF
MUTE AMP
Q13
2SJ144
Q7 2SC3326
D5 DAP202K AF
MUTE
IC4
BU4066BCF
INCHM A
INCMH B
AFSUB C
MICM D
IC6b
M5218AFP
MIC
AMP
AF UNIT
10 - 1
FI3 CFWM450E
Q2 2SC4215
CERAMIC
D15 MA742
BPF
IC1 TA31136FNG
IF
D12 MA8036
AMP
X1 CDBKB450KCAY24
FM 2ND IF 2ND
DET AMP MIX
Q16 2SC4116
NOISE NOISE 2ND LO
X2
AMP
DET BUFF
FI6 ALFYM450F=K
CERAMIC
BPF
IC6 TA31136FNG
D22 MA8036
X2 CDBKB450KCAY24
Q10
2SC4215
FM 2ND IF 2ND IF
DET AMP MIX AMP
NOISE NOISE 2ND LO
AMP DET BUFF
X3 CR-804
21.25MHz
X4
CR-827
15.3MHz
PLL
Q15 2SC4215
IC12
UPD3140GS
LOOP
BUFF
FIL
Q19 2SC4215
8V R8
BUFF
Q17
2SC4116
TX/
8V
SHIFT RIPPLE
CH70
SW FIL
VCO
Q21 DTA144EU Q18 PMBFJ310
IC8b M5218AFP IC8a M5218AFP
Q22 DTC144EU D37,39,40 1SV214x3
D41 1SV308
MOD
LPF
IC7
BU4066BCF
Q18
MIC/DSC A
2SK1069
SCOUT
BUFF
STRU C
Q11,12
STRU
2SC4116x2
BPF
IC5
BU4066BCF
HAILOUT A
FOGC B
IC6a
HAILIN C
M5218AFP
SCOUT D
MIC
AMP
FI1 Q1
Q3,4
FL-404 PMBFJ310x2 D11 3SK294
HSB88WS
XTAL IF RF
BPF
BPF AMP AMP
Q11
30.15MHz
2SC4116 Q23
2SC5110
R8
RIPPLE
BUFF
FIL
Q13
2SC4215
LOOP
BUFF
RX VCO
FIL
Q12 PMBFJ310
D32,33 HVC358Bx2
Q14
2SC4215
BUFF
CH70
FI4 FL-368
Q8,9 Q7
FI5 FL-399 PMBFJ310x2 D21 3SK294
HSB88WS
IF
RF
XTAL
BRF
AMP AMP
BPF
IC13
21.7MHz
RA35H1516M
PRE
TX/RX YGR PWR
DRIVE
SW AMP AMP
D42,43 Q28 Q30 2SC3775
D44 1SS355
MA77x2 2SC3775
Q35 2SA1577
Q36 DTC144EU
T8 T8 SEND
CTRL
Q27 2SC5110 8V
BUFF
IC2
TA78L05F
IC1
5V +5 TA7808S
REG
+8 VCC
REG
R8
8V
Q1 2SB1132
Q2 DTC144EU
5V
12V
R8
R8
IDC
CTRL
Q51 2SB1143
Q52,53 2SD1664x2
IC9a IC10 Q21 2SC4116
D11 1SS355
M5218AFP TA8225LQ RL3
EL AF
BUFF RELAY
VOL AMP
IC11 M5222FP
IC14 NJM2107F
MIC
AMP
B
IC9b HLC
M5218AFP
D
IC12 PC357N
IC19
D12 1SS355
TC7S14FU
DATANM
PHOTO
BUFF
(GPS) COUPLER
OPTION
DATANM
BUFF
(NMEA)
SCRAM
UNIT
IC13e,f BU4584BFV
Q22 2SC4081
Q24 2SK1069
Q23 DTC144EU
Q25 2SC4081
D13 DA204K
Q26 2SA1576
D14 MA8062
BUFF
IC16
IC20
NJM2017F BU4066BCF
SPS1 A
BUFF
MICS1 B
MICS2 C
SPS2 D
IC13a,b BU4584BFV
Q28 2SK1069
Q29 2SC4081
Q30 2SA1576
BUFF
D3,4
1SV307x2(#21,22)
ATT1
BPF ATT
ATT2
ANT
D1,D46
L308CCBx2
ANT
LPF
SW
Q32 DTC144TU
D47,48 HSM88ASRx2
TXDET
RF OUT
DET
HV IC14 NJM2107F
Q37 DTC144TU Q33
DTC144EU
D49 MA8051
APC PWR H/L
PCON CTRL CTRL
HV
Q3 DTC144EU HV HV
Q4 2SA1577
D2 1SS355
PWR
CTRL
RL1
REVERSE
CONNECT
PROTECT
D1 DSA3A1
CHASSIS UNIT
HAIL SP
CONNECT UNIT
EXT SP
(OPTION)
NMEA IN +
External GPS
NMEA IN -
NMEA OUT
OPTION1
HM-162
or HM-157
COMON1
PWR
CTRL
Q1 TPC6104
Q2 KRC404
OPTION2
HM-162
or HM-157
COMON2
PWR
CTRL
Q3 TPC6104
Q4 KRC404