Kenwood TK-7180 BLOCK DIAGRAM TK-7180

71

BLOCK DIAGRAM TK-7180

DAC

IC410

M62364FP

AUX I/O1~

AUX I/O9

EEPROM

IC401

AT24256N10SI27

Flash ROM

IC405

AT29C040A-90TI

RTC

IC402

RV5C386A

ANT

SW

TUNE

TV

D3,D4

XB15A407A2GB*2

D2: XB15A709

Q103

2SC3357

Mixer

IC171

SPM5001

IC1

RA30H1317M

IN V T/R

T/R

Q311

2SC5108(Y)

Q301

2SC5108(Y)

Q313

2SC5108(Y)

*2

FC AM

IC417

TA7252AP

CD

RSSI

5CL

5C

+B

D [0:7] RTCL/

EEPCL

RTDT/

EEPDAT

5M 5M

Q419

DTC363EU

TV

DT,CK,DSTB

NC

GND AFO SB

RXD2 TXD2 TXD1 RXD1AUX I/O6 AUX I/O7 AUX I/O8 AUX I/O9GND GND MI2 DI

ME AUX I/O1 AUX I/O2 AUX I/O3 AUX I/O4 AUX I/O5 DEO AUXO2AUXO1

Surge

Protect

AUXO1~

AUXO2

D702,D703,D709,D710

1SS355,02DZ18(X,Y)

D413,D414

DA204U

D704~D708

D711~D713,D412

DA204U

AUXI/O1~

AUXI/O9

5C

5C

5C

D103,D104

D105,D106

1SV283*4

CF SW

Q178

DTA144EE

8R

Q310

DTC114EE

Q

307: 2SK508NV(K52)

306,D308,D310,D311,D314: BB664*4,1SV278

Q

306: 2SK508NV(K52)

D

307,D309,D312,D313

BB664*4

Q2

2SC5192

:

IC72

TA75W01FU(1/2)

IC72

TA75W01FU

(2/2)

GAIN

SW

H/L

HiPo: 0V/LoPo: 5V

POW

AMP

8T

DC

AMP

DC

AMP DC

AMP

8T

PO DET

PO REF

ATT

TEMP

DET

THP

ATTLPF

HPFLPF

BPFATT

5R

RF AMP

5R

X171

4

.395MHz

SW

TX

136~174MHz

RX Local

180.85~218.85MHz

BPF

Buff AMPBuff AMP

SW 5C

T/R

Q305

DTC144EE

Q72

2SK1824

5C

G

R)

5

C

5M

INTRA

5C

Q312

2SC4617(S)

EXT.

SP

1

6

PA

SPO

SPI

Shift Register

IC403

BU4094BCFV

SPSTB1, SOE,

CK, DT

Xin

Xout

3.6864MHz

SP

X401

32.768kHz

T

2,

T

4,

AF

IC412

TC75W51FU(1/2)

IC409

TC75W51FU(1/2)

IC407

TC75W51FU(1/2)

5C

IC411

LMC7101BIM5

10CL

LSDO BAL

MOD

MOD HOR

GND

PC MP

GSW

8T

1234567

8910111213

15 14

16

17181920212223

24

25

AFO

DEO

MI2

DI

ME

SB

GND

RS232

DRIVER

5C

TXD1,RXD1

TXD2,RXD2

TXD1,RXD1

TXD2,RXD2

IC416

ADM202EARN

D11

1SV283

POW

DET

D6

HSM88AS

D7

HSM88AS

D8

HSM88AS

LPF

APC

8T 8T

8T

MCF

2Pole

MCF

2Pole

W/N

F

M IC

SW

CF

CF

E

D172

DAN235E

AF

XF171 XF171

Q171

2SC5108(Y)

CD171

CF171

CF172

MUTE

SW

DEO

DEO

IC407

TC75W51FU(2/2)

5C

Q3

DTC114EE

IC71

TA75W01FU(1/2)

IC71

TA75W01FU(2/2)

TH1

S1R104J475H

INV

DI

Q418

DTC114EE

5C

MB

5C

IC408

TC75W51FU(1/2)

IC408

TC75W51FU

(2/2)

5C

IC415

Audio processor

AQUA-L

5M

D

, AFSTD,

R

DO,

A

FDIO

C

K, AFDIR

MP

AFO

X403

SB

D

ILPF

COMP

HSDI

5C 5C

IC406

TC75W51FU

RXAF

8T

Q1

2SC5108(Y)

8T

D315,D316

HVC131*2

T/R

SW

8T

5R

ATT

LPF

SIDE TONE

7

Ripple

Filter

GATE

SW POW

DET

POW

DET

IC172

TA31136FN

AMP

IF AMP

AF AMP

5R

Q172

2SC5108(Y)

IF AMP

Surge

Protect

Surge

Protect

AUXO1

PA

HOR

SCSW

CFSW

AUXO2

GSW

DT, CK,

PCK, PLE,

TXC, RXC, SBC

T/R, W/N,

DMUTE,

RECSRC/SELF,

AM, AM2

EMTON,

DSTB,

APC,

HSDO,

LSDO,

BEEP

MM1, MM2

H/L,

STSW

µ-com

IC404

30625MGP-***GP

A [0:18],

RD, WR,

CS0

ACC D-Sub 25pin

ACC 26pin

1 OPT1

3 RXD1

5 CLK

7 USEL

9 DGND

11 AO

13 AGND

15 STON

17 TCTL

19 AUDIH

21 TXO

23 RXEI

25 OPT6

OPT3 2

TXD1 4

OPT4 6

OPT5 8

AGND 10

AI 12

5E 14

DTI 16

NC 18

OPT2 20

RXEO 22

TXI 24

8C 26

Contents

Main VHF FM TRANSCEIVER TK-7180 SERVICE MANUAL CONTENTS GENERAL INTRODUCTION SCOPE OF THIS MANUAL ORDERING REPLACEMENT PARTS PERSONAL SAFETY GENERAL / SYSTEM SET-UP Speaker jack cap SYSTEM SET-UP D-sub cap Power input connector 1. Modes 2. How to Enter Each Mode Fig. 1 3. Panel Test Mode Setting method refer to ADJUSTMENT. 6. Firmware Programming Mode 6-1. Preface 6-2. Connection procedure Note : 6-3. Programming 8. Firmware Version Information 9. Clock Adjustment Mode Fig. 2 9-1. Flow chart of operation TK-7180 2. Radio Interface Cable (KCT-40 : Option) w 2-1. Connecting the KCT-40 cable to the transceiver q e TK-7180 3. Horn Alert/P.A. Relay Unit (KAP-2 : Option) Install the KRK-10 rear panel onto the front panel Fig. 4-2 4. Control Head Remote Kit (KRK-10 : Option) e w q 4-1. Installing the KRK-10 kit to the transceiver 5. Voice Guide & Storage Unit (VGS-1 : Option) 5-1. Installing the VGS-1 unit in the transceiver q w Connect the KRK-10 main panel to the rear panel with the cable 8. GPS Receiver Connection 8-1. Installing the GPS receiver Fig. 8-1 Fig. 7-1 7. ANI Board Connection 8-2. Installing the GPS receiver together with the VGS-1 Fig. 8-5 q Fig. 8-3 1. Precautions on Disassembly r e 2. Precautions on Reassembly r e 1. Outline 2. Receiver Circuit Fig. 1 Receiver circuit 2-1. Front-end Circuit 2-2. First Mixer 3. Transmitter Circuit Fig. 3 Drive and Final power amplifier and automatic power control circuit 3-1. Microphone Circuit 3-2. Modulation Level Adjustment Circuit 3-3. Driver and Final Power Amplifier Circuit TK-7180 4. Frequency Synthesizer Unit Fig. 5 Control circuit block diagram Fig. 4 PLL block diagram 4-1. Frequency Synthesizer 6. Power Supply Circuit 7. Display Circuit Fig. 7 Display circuit Fig. 6 Power supply circuit SEMICONDUCTOR DATA Microprocesser : 30625MGP-169GP (TX-RX unit IC404) Shift Register : BU4094BCFV (TX-RX unit IC403) SEMICONDUCTOR DATA Microprocesser : 30302M8-8Z7GP (Display unit IC902) COMPONENTS DESCRIPTION Display unit (X54-3480-10) TX-RX unit (X57-6980-10) COMPONENTS DESCRIPTION TK-7180 DISPLAY UNIT (X54-3480-10) TX-RX UNIT (X57-6980-10) Page Page Page Page Page Page Page EXPLODED VIEW PACKING Parts with the exploded numbers larger than 700 are not supplied. Controls Panel Test Mode LCD display in panel test mode This transceiver has a test mode. Test mode operation features Panel Tuning Mode Preparations for tuning the transceiver Transceiver tuning (To place transceiver in tuning mode) LCD display in panel tuning mode nBAL 256 Flow chart Note : The Wide 4k can not use, please skip it. High High 3 reference level adjustments Test Equipment Required for Alignment MIC connector (Front panel view) KENWOOD part : W05-1127-00 Test cable for microphone input (E30-3360-08) Tuning cable (E30-3383-05) Common Section Transmitter Section (K market model skips adjustment of Wide 4k) Page Page Page Receiver Section (K market model skips adjustment of Wide 4k) Page Adjustment Points Display unit (X54-3480-10) TX-RX unit (X57-6980-10) (A/3) TX-RX unit (X57-6980-10) (B/3) Page Solder Land TK-7180 DISPLAY UNIT (X54-3480-10) Component side view (J72-0932-09) DISPLAY UNIT (X54-3480-10) Foil side view (J72-0932-09) DISPLAY UNIT (X54-3480-10) Component side view (J72-0932-09) DISPLAY UNIT (X54-3480-10) Foil side view (J72-0932-09) TK-7180 TK-7180 TX-RX UNIT (X57-6980-10) (A/3) Component side view (J72-0930-19 A/3) TX-RX UNIT (X57-6980-10) (C/3) Component side view (J72-0930-19 C/3) TX-RX UNIT (X57-6980-10) (C/3) Foil side view (J72-0930-19 C/3) TX-RX UNIT (X57-6980-10) (A/3) Foil side view (J72-0930-19 A/3) J72-0930-19 B/3 TK-7180 Component side view (J72-0930-19 B/3) JKLMNOPQRSIHGFEDCBA J72-0930-19 B/3 TK-7180 Component side view (J72-0930-19 B/3) TX-RX UNIT (X57-6980-10) (B/3) Component side view (J72-0930-19 B/3) Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 TK-7180 Foil side view (J72-0930-19 B/3) JKLMNOPQRS Foil side view (J72-0930-19 B/3) Ref. No. 930-19 B/3 0 Component side Foil side TK-7180 Foil side view (J72-0930-19 B/3) TX-RX UNIT (X57-6980-10) (B/3) Foil side view (J72-0930-19 B/3) Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 ABCDE X54-348 1/2 59 JIHGF Note : The components marked with a dot () are parts of layer 1. TO TX-RX UNIT (B/3) CN429 X54-348 2/2 TO TX-RX UNIT (B/3) CN429 ABCDE X57-698 1/9 TX-RX UNIT (X57-6980-10) (B/3) TO DISPLAY UNIT CN902 JIHGF X57-698 2/9 KLMNO X57-698 3/9 TSRQP X57-698 4/9 UVWXY X57-698 5/9 TX-RX UNIT (X57-6980-10)(C/3) ADACABAAZ TX-RX UNIT (X57-6980-10) (B/3) X57-698 6/9 AE AF AG AH AI X57-698 7/9 SCHEMATIC DIAGRAM TK-7180 ANAMALAKAJ X57-698 8/9 68 1 Note : The components marked with a dot () are parts of layer 1. 2 3 TX-RX UNIT (X57-6980-10)(A/3) TX-RX UNIT (X57-6980-10) (B/3) TO DISPLAY UNIT CN902 TX-RX UNIT (X57-6980-10)(C/3) INTERCONNECTION DIAGRAM 69 CN701 IC1 IC417 TK- 7 1 80 BLOCK DIAGRAM TK-7180 LEVEL DIAGRAM Receiver Section Transmitter Section LEVEL DIAGRAM 74 External View KRK-10 Parts List INTERFACE UNIT (X46-3310-20) Components Description TK-7180 Exploded View and Packing PC Board J72-0934-09 B/2 J72-0934-09 A/2 Component side Foil side Layer 1 Layer 2 Component side Foil side Schematic Diagram INTERFACE UNIT (X46-3310-20) (B/2) Display Side INTERFACE UNIT (X46-3310-20) (A/2) Radio Side Terminal Function OPTIONAL ACCESSORIES SPECIFICATIONS KENWOOD CORPORATION GENERAL RECEIVER (Measurements made per EIA/TIA-603) TRANSMITTER (Measurements made per EIA/TIA-603)