Kenwood TK-7180 ABCDE

58

TK-7180 SCHEMATIC DIAGRAM

7

6

5

4

3

2

1

ABCDE

X54-348 1/2

C906 0.01u

C917

0.1u

C918

10u10

C912 1000p

C909 100p

D901

02DZ18(X,Y)

R904

1k

R903

470

C904 100p

J901

8

7

6

5

7

3

2

1

C916

0.1u

C915 1000p

R901

1k

D906

DA204U

D904

DA204U

IC901

TA78L05F

2

COM

3

IN

1

OUT

C927

1000p

R943

100

R939

4.7k

D905

DA204U

R905

4.7k

R909

47k

R911

47k

R907

33k

Q913

DTC114EE

Q906

DTC114EE

C928

1000p

Q901

DTC144EE

Q902

DTC144EE

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

C925

10p

R919 1k

R936 10k

L903

R926 47k

L904

R932 1k

R933 1k

R934 1k

R935 1k

R927 1k

R928 1k

R914 470k

R915 470k

R944

0

Q905

DTC114EE

C921

1000p

R918

270

C926

1000p

R917

470

Q904

DTC114EE

D926

D920

D917

D913 D912

D925

D911

D916

D919

D923

D915

D922

D910

D921

R950

100

R949

100

R948

100

R947

100

D909

D918

D914

L902

1u

C910

100p

C911

100p

C914

100p

C913

1000p

L901

1u

R929 1k

R930 1k

R931 1k

R916 470k

CP901

100*2

CP902

100*2

CP903

100*2

CP904

100*2

CP905

100*2

CP906

100*2

CP907

100*2

CP908

100*2

CP909

100*2

CP910

100*2

CP911

100*2

D924

R953

820

D927

D928

R954

820

D929

D930

12A02CH

Q910

Q911

DTC114EE

R962

10k

R963

10k

C936 0.1u

R970

10k

R910

47k

D907

B30-2151-05

R913 470k

R920

0

R942

47

12A02CH

Q909

R945

10k

R952

390

R951

390

R925 470

C938 1000p

R941

1k

R940

100

L909

L908

C924

10p

C922

0.01u

C920

100p

FKEY[1]

FKEY[2]

FKEY[3]

FKEY[4]

FKEY[6]

FKEY[5]

FKEY[7]

FKEY[8] FKEY[10]

FKEY[9]

FKEY[10]

FKEY[9]

FKEY[8]

FKEY[7]

FKEY[6]

FKEY[5]

FKEY[4]

FKEY[3]

FKEY[2]

FKEY[1]

HK

E

MIC

PTT

DM

SB

BLC

ME

SP2

TX BUSY

LCD Key

DISPLAY UNIT (X54-3480-10)

VOLTAGE

REGULATOR/5V

TX

INDICATION

LED SW

BUSY

INDICATION

LED SW

DIMMER SW

CONTROL

BACKLIGHT

CONTROL

BACKLIGHT CONTROL SW

8C SW

8C SW

CONTROL

HOOK SW

Q901,902

VOLTAGE

PROTECTION

VOLTAGE

PROTECTION

TX/BUSY

INDICATION

POWER

SW_8C

LCDCS

LCDRST

LCDDT

LCDCK

5C

SB

RX

TX

8C

PSW

ME

RST

X901

L77-1956-05

SURGE PROTECTION

D904-906

LCD BACKLIGHT

D909-920

KEY BACKLIGHT

D921-930

2SC2873(Y)

Q907

DIMMER SW

NC

RXD2

TXD2

PTT/TXD

NC

DM

NC

NC

HK/RXD

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

TP1

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

VCC

NC

VSS

NC

NC

NC

NC

NC

NC

NC

NC

S22

S21

S20

S19

S18

S17

S16

S15

S14

S13

S12

S11

S10

S9

S8

S7

S6

S5

S4

S3

S2

S1

NC

AVSS

NC

VREF

AVCC

NC

NC

NC

D903

MINISMDC020

CURRENT

LIMITER

B30-2281-05

B30-2281-05

B30-2282-05

B30-2281-05

B30-2282-05

B30-2281-05

B30-2282-05

B30-2282-05

D902

02DZ18(X,Y)

NC

NC

NC

NC

SHIFT

BYTE

CNVSS

NC

NC

RST

Xout

VSS

Xin

VCC

NMI

BLC2

BLC1

DIMM

LEDG

LEDR

NC

LCDCK

LCDDT

LCDCS

LCDRST

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

99

100

IC902

30302M8-8Z7GP

MICROPROCESSOR

4.97V

5.05V

7.84V

7.84V

7.10V

7.84V

5.02V

4.61V

13.3V

T:0.01V

R:5.02V

5.03V

T:4.80V

R:0.01V

R:0.01V

BUSY:4.83V

0V

0.66V

4.62V

7.10V

7.84V

7.79V

5.04V

0.01V

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)