Kenwood TM-471A SPECIFICATIONS

TM-471A

V

M

V

7
7

Q
0

T

3

4

F

C

M

M

P

M
M

D

M

R

H

R

D

E

L

BLOCK DIAGRAM

DISPLAY UNIT (X54-3450-10)

MIC

MIC KEY
8C

PTT(TXD)
ME
MIC
HOOK(RXD)
CM(MIC KEY2)

S1

W02-3665-05

ENCODER

LCD

SB

ENCA

ENCB

COM0~3

SEG0~31

Q9

2SB1132(Q,R)

Q12

UMG3N

SW

BRI

Q10

KRA225S

SW

SW

Q6

KRC102S

VOL

POWER

MR

MHz

KI3

B30-2205-05

KEY BACK LIGHT

VFO

REV

KI2

KI1

KS1

KI2

KS2

KI3

IC3

LCD DRIVER

LC75854W/

PT6554LQ

MBL

D19~30

B30-2205-05

LCD BACK LIGHT

D2~4

MBL

VR1

R31-0649-05

VIARIABLE RESISTOR

CALL

Func

KI1

KS2
KS1

CE
CL
DI
DO

ENCB
CM
ENCA
MIC KEY
DI
CE
CL
DO
5C
8C
VOL
POWER
RXD
BRI
PTT(TXD)
GND
ME
MIC

TX-RX UNIT (X57-686X-XX)

RF

8C

IC401

5C

5C

M62363FP(8/8)

IC201

NJM2100V

MIC/IDC

PKD1200

AGC

Q201

2SC4919

IC161

M62363FP

(4/8)

D/A

CONV

MB15A02

PLL IC

16.8MHz

TCXO

X401

D/A

CONV

IC161

PKD

16.8MHz

TCXOMOD

IC202

BA10358FV

SPLATTER

FILTER

AGC

DET

D201

DAN222

D202

1SS372

IC204

BU4S66

SW

P1MT

IC205

BU4S66

SW

P9MT

PR9

PR1

Q1

2SK1824

MIC

MUTE

MICMT

PLLE

DT
CK
LD

Q404
2SC4649(N,P)

8C

CHARGE

PUMP

CHARGE

PUMP

8C

IC203

BA10324AFV

(1/4)

SUM

QT/DQT

PKD1200

PKD1200

PKD9600

PKS

SQC

Q402
2SA1832(GR)

LOOP

FILTER

Q403
2SC4738(GR)

Q440

2SC2412K

LIPPLE
FILTER

M62363FP

DTMF

IC161

(3/8)

D/A

CONV

8CL

CV

SQIN

BA1032

2SK5

Q40

2SJ34

IC20

(3/4)

BUF

QT/
DT

SB
8TC
8RC

AF
SP
AM
MIC
P1
P9

BS
TX/

NA
WI

PLL
ELV
CK
DT

VC

38

BLOCK DIAGRAM

TM-471A

2SK508NV(K52)

)

CV

2SJ347

)

L

SQIN

FP

BA10324AFV

Q405

RX

VCO

Q407

SW

TX

VCO

VCOMOD

D301

MA742

DET

TCXOMOD

IC203

(3/4)

BUFF

QT/DQT
DTMF

SBC
8TC
8RC

AFM
SPM
AMPSW
MICMT
P1MT
P9MT

BSHIFT
TX/RX

NARROW
WIDE

PLLE
ELVLLD
CK
DT

Q408

KRX102U

SW

TXRX

Q406
2SK508NV(K52)

Q301

2SC2412K

NOISE

IC161

M62363FP

(7/8)

D/A

CONV

PTT
RXD

MICKEY
MICKEY2

BSHIFT

VCOMOD

CL
CE
DI
DO

Q86

2SK1830

SW

Q410

2SC5108(Y)

BUFF

8CL

16.8MHz

IC161

M62363FP

(1/8)

D/A

CONV

NARROW

WIDE

CM
POWER
ENCA
ENCB
VOL

30622MAA-B85GP

2SC5108(Y)

D303

DAN222

SW

PKS
SQC

CPU

IC101

X86

Q411

IC301

8T

RF

8C

Q302

2SC2412K

TRIPLER

50.4MHz

IF

DEMODULATOR

8C

CF301

(WIDE)

450kHz

CF302

(NARROW)

5M

EEPROM

Q87

2SK1830

SW

8R

2SC5110(O)

T/R

SW

D409
DAN235E

2SC5108(Y)

IC66
AT24C64A10SI18 or
CAT24WC64J1

EEPWP
EEPCK
EESDT

SIGNAL

Q500

RF

8T

Q351

IF

8R

D302

DAN222

SW

TEMP1
TEMP2

49.95MHz

RSSI
SQIN

RESET
INT

2SC3356

DRIVE

MCF

XF351

Q501

(R24)

PRE

AMP

2SK2596

8T

MIX

8R

D351,352
HVC350B

IC251

BA10324AFV

AF

FILTER

Q502

DRIVE
AMP1

Q352
3SK255

2SC2412K

Q503

PD55008

DRIVE
AMP2

Vg

BPF

RF BPF

TUNE

8T

Q354

2SK1830

Q251

HPF

8C

8T

KRC102S

8TC

2SA1745(6,7)

8R

KRC102S

8RC

5C

RD60HUF1

FINAL

Q353

3SK255

RF

8R

SW

Q252,253

2SK3019

SW

AFM

Q35

KTA1664(Y)

SW

Q36

SW

Q33

SW

Q34

SW

AVR

Q504

AMP

RF BPF

TUNE

DTMF/BEEP

5V

IC32
NJM78L05UA

D601,602

MA4PH633

D603,604

XB15A709

ANT SW

BPF

KIA7808AF

SBC

KRC404RTK

D606

MA742

Vg

D353~355
HVC350B

IC161

M62363FP

(5/8)(6/8)

D/A

CONV

IC31

AVR

8V

OVER

VOLTAGE

DETECT

Q61

POW.

DET

8T

Q254

DTC363EU

SW

SPM

Q31

2SA1641(S,T)

SW

SB

SW

Q32

KRC102S

INT

SW

LPF

D607

MA742

BUFFER

APC

CONTROL

IC161

M62363FP(2/8)

D/A

CONV

IC252

LA4600

AF
PA

SW

AMPSW

IC33

NJM78L05UA

5M

BD4740G

B

BD4732G

RESET

RESET

POW.

DET

IC501
TA75W01FU
(1/2)

IC501
TA75W01FU
(2/2)

PC

Q255

KRC102S

AVR

IC35

INT

IC34

5M

ANT

EXT.

SP

+B

E

SP

39