Kenwood TK-7180 KLMNO

62

TK-7180 SCHEMATIC DIAGRAM

KLMNO

X57-698 3/9

D

A18

R554

56k

A16

C438 0.01u

C472

0.1u

C446

0.01u

D4

R495 4.7k

C400

1u

1

2

3

4VSS 5

6

7

8

VDD

R565

0

R496

100k

IC411

LMC7101BIM5

1OUTPUT

2

V+

3

INPUT+ 4

5

R539

39k

A4

R512

15k

C444

39p

R540 47k

C462 0.01u

1

2

3

4VSS 5

6

7

8

VDD

R545

10k

R492

680k

CSO

R532

1k

R513

560k

C479

1000p

C469

0.1u

C451

0.01u

R553

4.7k

D407

RB706F-40

R515

100k

R498

270k

D7

R533

100k

C443

0.01u

D6

D5

A10

R522

100k

C465

22p

C433

0.1u

R557

4.7k

RD

1

2

3

4

5

6

7

8

9

10

11

12

13 VIN5

14 VOUT5

15 VOUT6

16 VIN6

17 DO

18 VDAref

19 RESET

20 GND

21 VIN7

22 VOUT7

23 VOUT8

24 VIN8

C467 0.01u

R504

10k

RXDET

R526 270k

R541 0

R536

15k

C477

1000p

R507 150k

MP

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16 17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

C453

0.1u

MOD

R520

0

C452

100p

C460

0.01u

C434

560p

C455 47u6.3

1

2

3

4VSS 5

6

7

8

VDD

R508

1k

C470

0.01u

R528

47k

C459

10u10

C463

0.01u

IC407

TC75W51FU

1

2

3

4

VSS

5

6

7

8VDD

DATAO UT

A2

A3

SIDETONE

D3

R500

0

WR

D0

C450 10u

C454 0.01u

Q406

HN1J02FU

4

61

2

3

5

A0

R517

22k

D405

EMZ6.8N

C448

100p

A1

R671

4.7k

R514

18k

C429 1u

A11

R499

100k

R527

3.9k

A13

C440 0.1u

R548

82k

R502

10k

A9

D1

D2

R503

100k

A8

DI

C441

10u

R497

3.3k

DEO

A7

5M

R519

100k

A6

R494 4.7k

R490

180k

5C

A5

C445

15p

TV

C442

0.1u

R509

33k

A14

1

2

3

4VSS 5

6

7

8

VDD

L408

R529

680k

R501

4.7k

A17

R542

0

A15

C457

470p

R493

1M

10CL

R521

47k

A12

R535

390k

Q405

DTA114EE

MB

R403

100

R376

47k

R324

0

R552 10k

R534 10k

R670

4.7k

CK

MIC

ME

OPT6

VOLTAGE

PROTECTION

DET AMP/

DATA LPF (DB-25)

MM2

RF BPF TUNING

VOLTAGE DC AMP

AF SW

(LSD)

+

+

–

–

+

+

LSW

–

BEEP

–

STSW

+

RXC

–

SCSW

+–– +

–+

MM1

AM1

EMTON

LSDIN

LSDO

AQUA

CONTROL

SW

HSDO

AM1

HSDIN

DT

DSTB

DT

MM2

DC DETECTOR

EMTON

LSDO

MM1

BEEP

LSW

AF

IC405

AT 29C040A-90TI

FLASH MEMORY

A3

A2

A1

A0

Io0

Io1

Io2

GND

Io3

Io4

Io5

Io6

Io7

CE

A10

oE

A11

A9

A8

A13

A14

A17

WE

VCC

A18

A16

A15

A12

A7

A6

A5

A4

VOLTAGE

PROTECTION

VIN1

VOUT1

VOUT2

VIN2

VDD

LD

CLK

DI

VIN3

VOUT3

VOUT4

VIN4

IC410

M62364FP

D/A CONVERTER

D406

02DZ5.1(Y)

IC412

TC75W51FU

MODULATION

LPF/DET AMP

C584

22p

R523

560k

R530

120k

INPUT-

V-

IC406

TC75W51FU

HSD BPF/HSD

COMPALATOR

R505

68k

R506

220k

IC408

TC75W51FU

LSD BUFFER AMP/

VCXO BIAS AMP

IC409

TC75W51FU

LSD LPF/VOLTAGE

DC-REFERENCE

C475

100p

R555

12k

R550

4.7k

R556

56k

MIC

LSDIN

OPT6

ME

RXC

CK

SCSW

STSW

AGND

LIMLV

BEEP

MM1

V_REF

+

+

–

–

0.87V

2.48V

4.98V

4.92V

2.50V

1.53V

4.99V

2.49V

2.50V

4.98V

2.50V

2.50V

2.50V

2.49V

4.99V

TX-RX UNIT (X57-6980-10) (B/3)

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)