Kenwood TK-7180 TK-7180

JKLMNOPQRSIHGFEDCBA

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CP909

CP910

CP911

Q901

Q902

Q904 Q905

Q906

Q907

B

C

E

Q909

Q910

1

29 30

GND

RXD

5C

GND

GND

PSENS

ME

GND

PSW

SB

8C

SPO

SPO

SPO

GND

TXD

NC

NC

GND

RST2

GND

MIC

GND

NC

SB

GND

SPO

SPO

SPO

2

Q911

Q913

L901

L902

L903

L904

L905

L906

L907

L908

L909

R901

R903

R904

R905

R907

R909

R910

R911

R913

R914

R915

R916

R917 R918

R919

CN901

CN902

R920

R925

R926R927

R928

R929

R930

R931

R932

R933 R934

R935

R936

R939

C904

R940

R941

TH901

C906

R942

C907

R943

R944

C908

C909

R945

R947

R948

R949

C910

X901

C911

C912

C913 1GND

SPO

2

C914

R950

C915

SP2

R951

C916

R952

C917

R953

C918

R954

R955

R956

R957

R958

R959

C920

C921

C922

C924 C925

C926

R962

C927

R963

C928

R967

R969

C930

C931

C932

C933

C934

R970

C935

R971

C936

C938

D901

D902

D903

D904

D905

D906

IC901

O

G

I

IC902 IC903

CP901

CP902

CP903

CP904

CP905

CP906

CP907

ED1

CP908

J901

8

2

7

1

C937

D907

D909

D910

D911

D912

D913

D914

D915

COM8_1

COM9_1

COM1_1

COM2_1

COM3_1

COM4_1

COM5_1

COM6_1

COM7_1

COM8_2

COM9_2

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG31

SEG32

SEG33

SEG34

SEG35

SEG41

SEG42

SEG43

SEG44

SEG45

SEG51

SEG52

SEG53

SEG54

SEG55

SEG61

SEG62

SEG63

SEG64

SEG65

SEG71

SEG72

SEG73

SEG74

SEG75

COM7_2

COM6_2

COM5_2

COM4_2

COM3_2

COM2_2

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG26

SEG27

SEG28

SEG29

SEG30

SEG36

SEG37

SEG38

SEG39

SEG40

SEG46

SEG47

SEG48

SEG49

SEG50

SEG56

SEG57

SEG58

SEG59

SEG60

SEG66

SEG67

SEG68

SEG69

SEG70

D916

D917

D918

D919

D920

D921

D922

D923

D924

D925

D926

D927

D928

E

E

BLC

BLC

D929

D930

PSW

LEFT UP

LEFT DOWN

SA

<BC

>

RIGHT UP

RIGHT DOWN

TP1

DM

DM

HK

HK

ME

ME

MIC

MIC

PTT

PTT

SB

SB 2

8

7

1

+

1100

76

75

51

50

26

25

1

100

25 26

50

51

7576

J72-0932-09

J72-0932-09

SHIFT/MODEL

TK-7180 PC BOARD

DISPLAY UNIT (X54-3480-10) Component 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) DISPLAY UNIT (X54-3480-10) Foil side view (J72-0932-09)

PC BOARD TK-7180

Component side

Foil side

Layer 1

Layer 2

Layer 3

Layer 4

Component side

Foil side

Layer 1

Layer 2

Layer 3

Layer 4

Ref. No.

Address

D907 3C

D909 3G

D910 3H

D911 3I

D912 3K

D913 3L

D914 3N

D915 4G

D916 4H

D917 4I

D918 4K

D919 4L

Ref. No.

Address

D920 4N

D921 6F

D922 6G

D923 6I

D924 6O

D925 6M

D926 6K

D927 3D

D928 5D

D929 3P

D930 5P

Ref. No.

Address

IC901 10C

IC902 12H

IC903 12K

Q901 10D

Q902 10D

Q904 12B

Q905 12C

Q906 10I

Q907 9I

Q909 9H

Ref. No.

Address

Q910 10D

Q911 9D

Q913 9H

D901 10C

D902 12D

D903 9F

D904 9C

D905 10C

D906 10C

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)