Kenwood TK-7180 TK- 7 1 80

70

AGC

MIC

AMP

MI2

IC414

TC75W51FU

8C

MM2

MOD TX

VCO

RX

VCO

IN V

SW

VCXO

T/R

Q302,Q303,Q304

2SC4116(BL)*3

Q309

2SC4116

(GR)

DISPLAY UNIT

(X54-348)

AVR

BUSY

LED

RXD2

TXD2

X901

14.7456MHz

SW

SW

8C

TX

LED SW

8C

SP

POWER SW

PSW

RED

11CL

LCD

DRIVER

IC903

LC75810T

-8726

Q913,Q909

DTC114EE,12A02CH

Q904

DTC114EE

Q905

DTC114EE

5V, 8C

Q417

2SJ243

Q416

2SJ243

IC901

TA78L05F

5V

VDD

INT. SP

BLC1

GR E

LDT

LCK

LRES

LCS

SCSW

SCSW

5M

TXD

RXD

BEAT

SHIFT 11.0592MHz

RST1

INT

IGN

5C

SHIFT/MODEL

Q402

DTC114YE

D408,D409

MA742*2

Q410,Q411

2SC4116(Y)

2SA1586(Y,GR)

CF SW

DET

ASQ

Q175

2SC4617(Q)

D173

RB706F-40

Q310

DTC114EE

Q307: 2SK508NV(

K

D306,D308,D310,

D

Q306: 2SK508NV(

D307,D309,D312,

D

: BB664*4

5R X171

44.395MHz

Q176

2SK1824

DC-DC

Converter

5C

Q308

2SC4116(GR)

IC251

MAX5026EUT+T

5CUL

PLE

DT

PCK

5C

CV

Ripple

Filter

Q251

2SC4617(S)

D802

DSA3A1

D801

22ZR-10D

D804,Q802

02DZ18(X,Y)

DTC114EE

+B

SB

DC

13.6V

PROTECT

PROTECT

SW

SW

AVR

8V 8C

5C

RST1

8T

Voltage

DETECTOR INT

IGN

IGN

SENS

IC802

XC61CN5002NR

Q810

2SJ645

Q807

DTC114EE

IC803

TA7808F

Q803,Q806

12A02CH,DTC114EE

Q804,Q808

12A02CH,DTC114EE

Q805,Q809

12A02CH,DTC114EE

Q812

DTC114TE

IC801

S-80942CNNBG9C

IC804

TA7805F

Q801,D805

2SC2873(Y),02CZ9.1(X,Y)

5R

5M

IC805

NJM78L05UA

TXC

RXC

8R

RXC

SBC

PSENS

PSW

DMUTE

Xout

Xin

RXDET

SW

THP, UL, ASQ,

RSSI, HSDIN,

LSDIN

MM1

OPT1, OPT2,

OPT3, OPT4,

OPT5

MB

10CL

DIMMER

SW

DIMMER LCD BackLight*12

KEY BackLight*10

8C

LCD

SEG*75

COM*9

VDD

VLCD

BLC

SB

E

PTT

ME

MIC

HOOK

DM

MIC

AFO

DIMM

RST RST2

D904,D905,D906

DA204U

MUTE

SW

5E

AMP

FM IC

SW

CF

CF

D171

DAN235E

TXIN

CF171

CF172

IC413

TC7MZ4053FK(2/3)

IC413

TC7MZ4053FK

(1/3)

IC413

TC7MZ4053

FK(3/3)

IC412

TC75W51FU(2/2)

IC407

TC75W

5C

SW

X301

16.8MHz

IC807

XC6201P502PR

IC415

Audio proce

s

AQUA-L

PTT

DM

BLC

PTT/TXD1

10KEY

DIMMER

S [1:10]

Q906,Q907

DTC114EE, 2SC2873(Y)

DTRLOAD, AFSTD,

TCLK/DTRDO,

AFDAT, AFDIO

AFRTM, CK, AFDIR

HK/RXD

DM

BLC2

5C

Xin

Xout

Q901,Q902

DTC144EE

X404

LSDI LPF

5C

I

C

TC75

W

HSDO

SW MUTE

SW

AM2

Q409

DTC363EU BEEP

HSDO

T/R

VGS-1

REC SRC

REC SRC

Q415

HN1L02FU

STSW

STSW

Q413

2SJ243

Q414

2SJ243

Q406

HN1J02FU

RXAF

AI

AO

SW

HSDO

EMTON

Q406

HN1J02FU

ANI Board

DATA

OUT

Scrambler Board

TXAI

TXAO

RXOUT

RXIN

PROTECT

AVR

8.5V

AVR

5V

AVR

5V

Voltge

DETECTOR

SW

SW

SW

SW AVR

5V

IC301

ADF4111BCP7

PLL

Active

Loop

Filter

I

C

TA3

AMP

SIDE

TONE

SW

SW

SW

SW

SW

Noise AMP

µ-com

IC404

30625MGP-*

*

µ-com

IC902

30302M8-***GP

Protect

Surge

Protect

*3

TK-7180 BLOCK DIAGRAM

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)