Kenwood TK-7180 AE AF AG AH AI

66

TK-7180 SCHEMATIC DIAGRAM

AE AF AG AH AI

X57-698 7/9

-t

R205

3.3k

L189

1u

C221

0.1u

C207

1000p

R15

220

Q178

DTA144EE

C229

0.033u

C209

0.01u

R87

100k

L187

100n

1

2

3

45

6

7

8

L2

D173

RB706F-40

R1

270

R84

100k

C231

82p

C218

0.01u

R206

1k

R193

47k

C236

0.01u

R8

470

C16

56p

R4

33k

2SK1824

Q72

C226

1000p

C33

100p

R207

47k

C44

120p

L6

C225

270p

L5

R196

15k

R5

6.8k

C76 470p

R209

10

R187

3.3k

R221

47k

1OUT1

2IN1-

3IN1+

4VEE 5

6

7

8

C27 47p

C206

0.01u

C9

33p

C77 470p

C14

470p

C26 22p

C214

0.1u

C8

470p

R7

10

C212

470p

C219

1u

C216

15p

C224

270p

C205

0.01u

R21

220

R16

47

R189

10

D171

DAN235E

R210

2.7k

R82

100k

R203

3.3k

R6

180

R14

0

C259 10u10

C235

0.1u

C24

4.7u10

C227

1000p

C5

470p

TH171

47k

L4

D172

DAN235E

C241

1000p

R3

270

R198

330k

R12

15

C211

10p

R188

68

C240

0.1u

C6

4.7u16

R204

2.2k

C230 0.01u

C7

470p

Q173

DTA114EE

R90

390k

R212

100k

R199

56

C20 100p

C217

1000p

C239

0.1u

D174

MA2S111

C220

0.1u

C15

470p

R17

47

C1

1000p

R38

0

2SK1824

Q176

2SC5108(Y)

Q1

1

2

3

4

5

6

7

89

10

11

12

13

14

15

16

R2

18

D1

02DZ5.6(X,Y)

R202

4.7k

C213

0.01u

R76

100k

L188

820n

Q174

DTC144EE

R71

56k

W/N

R190

15k

C19 47p

5C

R81

100k

ASQ

R208 3.9k

R197

330k

L7

10T

C17 22p

R195

22k

C232 1000p

R19

150

R192

22k

R186

330

C222

1000p

C29 470p

R9

22

RSSI

C34 100p

C39 470p

CD171

L79-1701-05

C233

1000p

R75

39k

C10

470p

R18

220

RXDET

R25

120

1/2

C228

0.1u

C215

18p

R72

33k

H/L

R194

22k

R77 100k

L1

82n

MP

R185

820

R79

180k

C38 470p

PC

R78

100k

C32 47u25

R86

390k

C238

0.01u

C22 470p

+B

C223

0.01u

C28 100p

C3

470p

GSW

C237

22u6.3

R191

22k

L186

10u

5C

C234

0.22u

R217

0

R88

100k

CFSW

C21

470p

C74

470p

R200

3.3k

C208

0.01u

5R

C18

470p

C2

470p

L8

5T

C210

68p

R13

330

D2

XB15A709

C35 100p

Q2

2SC5192

C13

470p

C4

470p

R85 100k

C43

18p

R10 2.7k

R11 560

L3

68n

L14

33n

C64

10p

C65

27p

C63

27p

C23

27p

C40

470p

R89

47k

C75

820p

C73

820p

R222

1k

Q180

DTC144EE

C144

0.01u

Q73

DTC114EE

DMUTE

1RF_IN

21ST_DC

32ND_DC

4RF_oUT

W/N CF SW

CONTROL

W/N CF SW

W/N CF SW

TX PRE-DRIVER

AFO

MI2

VOLTAGE

PROTECTION

ME

Q177,180

SQ NOISE-AMP

DETECTOR

W/N DISCRETE SW

DET MUTE SW

DET MUTE

SW CONTROL

TX DRIVER

ANT SW

ANT SW

HIGH/LOW

POWER SW

DC AMP

FOR TX APC

W/N CF SW

CONTROL

AM1AM1

8T

W/N CF SW

CONTROL

D3,4

HIGH/LOW

POWER SW

8T

Q3

DTC114EE

TX GATE SW

IC1

RA30H1317M

POWER MODULE

D3

XB15A407A2GB

D4

XB15A407A2GB

IC72

TA75W01FU

IN2+

IN2-

OUT-B

VCC

AFO

MI2

ME

Q177

DTC144EE

2SC4617(Q)

Q175

NOISE AMP

CF172

L72-0998-05

CF171

L72-0986-05

X171

L77-1762-05

IC172

TA31136FN

FM IF SYSTEM IC

AFOUT

QUAD

IFOUT

RSSI

N-DET

N-REC

GND

MIXIN

OSCIN

OSCOUT

MIXOUT

VCC

IFIN

DEC

FILOUT

FILIN

IN2+

IN2-

OUT-B

VCC

OUT1

IN1-

IN1+

VEE

IC71

TA75W01FU

DC AMP

FOR TX APC

2SC5108(Y)

Q172

IF AMP

0.89V

1.10V

1.14V

0.84V

1.55V

0.84V

0.07V

4.37V

W:4.96V

4.96V

4.99V

4.94V

4.99V

N:4.85V

H:13.13V

L:13.42V

H:4.44V

L:3.33V

7.81V

7.55V

7.78V

0.80V

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)