BLOCK DIAGRAM. ICOM IC-M602

SECTION 10 BLOCK DIAGRAM

ACC UNIT

HM-136

FRONT UNIT

SP1

DIAL BOARD

S1

UP

E

DN

ENCODER

SQL BOARD VR BOARD

5V

SQLV

DS1

LCD

MODULE

LCD

CONT

Q15, Q16 2SC4116

Q17 2SB1132

DIM

CONT

CLONE

Q11 DTC144EU

D2 DA204K

CI-V

I/F

Q1 2SA1362

Q2 DTC144EU

D1 DAN202K

BACK

UP

IC1

HD64F2633F25

CPU

LOGIC BOARD

KEY

BOARD

X1

CR-691

(9.8304MHz)

IC2

S-80942CNMC-G9C

RESET

IC4

HN58X24128FPI

EEPROM

S1

POWER

ANT

MAIN UNIT

WXDEC

DEC1

SQL

DEC2

PCON

SP

MICM

RMUTE

DSC

IC5E,F

BU4584BFV

BUFF

IC4

NJM2211M

DSC

DECODER

IC2

NJM2125F

SQL

AMP

IC5A,B

BU4584BFV

BUFF

IC9

NJM2211M

DSC

DECODER

5V

IC4

BU4066BCF

AFSUB

MICM

C

D

AF UNIT

IC15

M62363FP-650C

D/A

RL2

FTR-F3AA012E

RELAY

AF

MUTE

Q7

2SC3326

AF

AMP

IC3

LA4425A

MIC

IC6B

M5218AFP

AMP

MIC

AMP

IC6A

M5218AFP

BUFF

Q18

2SK1069

IC3A

NJM2902V

LPF

IC3B

NJM2902V

HPF

IC3C,D

NJM2902V

BPF

IC17, IC18

BU4094BCFV

EXPAND

INCHM

INCMH

A

B

IC1

TA31136FN

FM

DET

NOISE

AMP

IC6

TA31136FN

FM

DET

NOISE

AMP

IC11

TC4W53F

RXADJ

Q13

2SJ144

AF

MUTE

FI3

ALFYM450F=K

CERAMIC

BPF

Q2

2SC4215

IF

AMP

FI1

FL-285

XTAL

BPF

31.05MHz

Q3, Q4

PMBFJ310

IF

AMP

L18, L19 617DB-1327=P3

D11 HSB88WS

BPF

For other channels

Q1

3SK294

RF

AMP

2ND IF

AMP

NOISE

DET

2ND

MIX

2ND LO

BUFF

30.6MHz

Q16

2SC4116

×

2

LOOP

FIL

Q23

2SC5110

BUFF

Q12 PMBFJ310

D32, D33 HVC358B

RX VCO

Q13

2SC4215

BUFF

Q14

2SC4215

BUFF

FI6 ALFYM450F=K

CERAMIC

BPF

Q10

2SC4215

IF

AMP

FI4, FI5

FL-298

XTAL

BPF

21.7MHz

Q8, Q9

PMBFJ310

IF

AMP

L48,49

617DB-1327=P3

D21 HSB88WS

2ND IF

AMP

2ND

MIX

D42, D43

MA77

TX/RX

SW

NOISE

DET

2ND LO

BUFF

X3

CR-744

(21.25MHz)

X4

CR-664A

(15.3MHz)

µ

PD3140GS

LOOP

FIL

R8

PLL

Q18 PMBFJ310

D39, D40 1SV214

TX/ CH70

VCO

Q15

2SC4215

BUFF

BUFF

Q19

2SC4215

MOD

IC8B

M5218AFP

LPF

BUFF

Q27

2SC5110

IC8A

M5218AFP

IDC

T8

Q35 2SA1577

Q36 DTC144EU

5V

T8

CTRL

IC2

TA78L05F

+5

REG

IC1

TA7808S

+8

REG

D3, D4

1SV307

ATT

PWR

CTRL

RL1

FTR-P3CP012W1

D1

DSA3A1

REVERSE

CONNECT

PROTECT

13.8V

ATT1

ATT2

BRF

Q7

3SK294

RF

AMP

For CH70 only

Q28

2SC3775

PRE

DRIVE

YGR

AMP

Q30

2SC3775

Q29

DTC144EU

TX MUTE

CTRL

BPF

PWR

AMP

IC13

RA35H1516M

VCC

ANT

SW

D1, D46

XB15A308

LPF

D47, D48

HSM88ASR

RF OUT

DET

IC14

NJM2107F

APC

CTRL

T8

PWR

CTRL

Q33 DTC144EU

TXDET

H/L

8V

R8

Q1 2SB1132

Q2 DTC144EU

R8

CTRL

VCC

EXT SP

(OPTION)

Q11,12

2SC4116

BPF

IC7 BU4066BCF

MIC/DSC A

STRU C

SCOUT B

STRU D

NMEA

IC5

BU4066BCF

SCOUT D

HAILIN C

HAILOUT A

FOGC B

OPTION

SCRAM

UNIT

IC20

NJM2107F

BUFF

GPS

IC11

M5222FP

EL

VOL

BUFF

Q22 2SC4081

Q23 DTC144EU

D13 DA204K

IC12

PC357N6T

IC19

TC7S14FU

BUFF

PHOTO

COUPLER

IC9B

M5218AFP

MIC

AMP

BUFF

IC9A

M5218AFP

AF

AMP

IC10

TA8225L

HLC

RELAY

RL3

FTR-F1

BUFF

IC16

BU4066BCF

SPS1 A

IC13 BU4584BFV

Q24 2SK1069

Q25 2SC4081

Q26 2SA1576

CONNECT/-A UNIT

NMEA OUT

NMEA IN +

NMEA IN -

External GPS

HAIL SP

OPTION1

HM-127

MICS1

SPS2

MICS2

B

D

C

OPTION2

HM-127

BUFF

IC13 BU4584BFV

Q28 2SK1069

Q29 2SC4081

Q30 2SA1576

10 - 1