Kenwood TK-7180 SCHEMATIC DIAGRAM TK-7180

67

SCHEMATIC DIAGRAM TK-7180

ANAMALAKAJ

X57-698 8/9

-t

L13

9.5T

R30

0

C575 47u25

CN427

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

R28

8.2k

L12

5T

C48

2p(B)

R652 560

C574 22u16

C562 1u25

C578 47u25

R644

1k

C47

0.5p(B)

CN428

1

2

3

4

5

6

C547

1000p

C570

1u

C554

100p

C583

470p

C577

0.1u

C582 1000p

R655

0

C566

1u

D416

DAN202U

AO1

C551

1000p

C564 1u25

AIO5

C572 1000p

AIO9

DEO

C57

0.5p(B)

AO2

C79

470p

C548

1000p

C581

1000p

C579 1000p

Q418

DTC114EE

D414

DA204U

AIO8

SB

D7

HSM88AS

AIO4

R654

0

SB

R630

0

AIO3

1

2

3

4

5

6

7

8

C576

330u16

AIO2

C550

100p

C561

0.1u

D413

DA204U

SPO

THP

C560

0.1u

D8

HSM88AS

PA

R22

1k

C573 1000p

AIO1

C553

1000p

C50

47p

F401

F53-0352-05

C61

470p

AIO7

J401

AIO6

R648

2.2k

R636

0

R645

5.6k

DI

TCTL

SB

R621

0

R653

2.2

C80

470p

C565 1u25

C549

C557

1000p

D6

HSM88AS

R623 47k

C563 1u25

HOR

R624 47k

C559

1000p

C567

100p

C31

470p

R643

470

R625 4.7k

ANT

C552

C58

1.5p(B)

D412

DA204U

5C

R632

47k

C580 47u25

C49

470p

C545

1000p

C556

R629

0

Q419

DTC363EU

5C

C555

1000p

R651 0

TXD2

C568

1000p

C546

0.01u

C558

100p

TH1

100k

5C

C51

470p

RXD2

R27

82k

R633

0

TXD1

R642

4.7k

R622

0

R641

4.7k

C45

43p

L9

5T

R819

56k

C59

470p

L10

5T

L11

5T

C53

39p

R33

150k

C84

470p

C55

27p

C82

0.5p(B)

C60

22p

R26

3.3k

C30

470p

R23

6.8k

R31

0

C594

1000p

C83

3p(B)

RXD1EXT

IC417

TA7252AP

1

2

3

4

5

6

7

AUXIO9

DEO

RXD1

SB

AUXIO2

TXD2

AFO

SB

GND

MI2

AF MUTE SW

AF

CONTROL SW

AF MUTE

CONTROL

GND

SPI

SB

RF DETECTOR RF DETECTOR

GND

AUXO1

SB

RXD2

AUXIO6

RF DETECTOR

SPO

AUXIO4

PA

HOR

SB

5C

ME

TXD1

NC

EXT.SP

AM1

AUXIO8

AUXIO3

AUXIO7

SB

DI

MI2

AUXO2

SB

AUXIO5

ME

AUXIO1

AFO

8T

AUDIO IC

INPUT

NF

D.C

GND

OUTPUT

BOOTSTRAP

VCC

D412-414

SURGE PROTECT

C1+

V+

C1-

C2+

C2-

V-

T2OUT

R2IN

R2OUT

T2IN

T1IN

R1OUT

R1IN

T1OUT

GND

VCC

LEVEL

CONVERTER

IC (RS-232C)

IC416

ADM202EARN

9

10

11

12

13

14

15

16

1000p

1000p

1000p

1.44V

4.99V

4.41V

13.61V

H:2.81V

L:1.04V

6.76V

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)