Kenwood TK-7180 UVWXY

64

TK-7180 SCHEMATIC DIAGRAM

UVWXY

X57-698 5/9

A

C309

1000p

R115

4.7k

8R

C322 39p

MB

R301

C125

1000p

R321

10k

PLE

R302

10

UL

PCK

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

R325 150k

CN301

12

34

56

C327

0.22u

2SC4116(BL)

Q302

C307 1000p

2SC4116(BL)

Q303

C331 1000p

R320

100

L108

R309

180

R307

0

TV

R333

0

C339

1000p

R305

56

C335 0.022u

L302

2SC3357

Q103

CN302

12

34

56

1IN/OUT

2OUT/IN

3GND 4

CONT

5

VCC

C124

7p

5C

R119

150k

R362

0

16.8MHz

VC

GND R303

560

R319

22

C320

2.2u20

R308

3.9k

R317

0

C318

2.2u20

C397

1000p

C396

1000p R304

47

R300

10k

C299

10u6.3

R331

0

C315

1000p

C313

0.1u

0

C336 0.1u

L321

C321 0.1u

C340 27p

C332 39p

C301

100p

C304

22p C303

1000p

C305

4.7u6.3

L301

5.6u

Q305

DTC144EE

Q314

DTA144EE

C317

1000p

C395

0.1u

T/R

R369

22k

C325

3.5p(B)

C337

1000p

C388

1000p

L307

6.8n

L308

10n

D305

MA2S077

R315

22k

R314

22k

C326

2p(B)

D302

MA2S077

C323

33p

C324

12p

L304

6.8n

D301

MA2S077

R329

4.7k

C387

1000p

R313

4.7k

C316

1000p

L303

8.2n

C319

1000p

C333

39p

L305

68n

C334

15p

D304

MA2S077

R328

22k

L306

68n

R368

0

C311

1000p

R310

330

2SC5108(Y)

Q301

R306

100k

C308

1000p

R377

0

R379

0

R380

0

C312

0.1u35

R311

1k

C314

0.068u

R312

1k

R316

470k

R318

1.2k

2SC4116(BL)

Q304

R322

47k

C338

0.1u35

R326

1.5k

R129

100k

C108

27p

C149

1000p

C115

18p

C111

47p

R132

100k

C112

22p

C109

15p

L106

27n

R111

0

L105

39n

D11

1SV283

C145

1000p

L104

68n

C119

1000p

C110

82p

C146

22p

C116

15p

R131

0

R109

0

L103

100n

C113

10p

C102

1000p

R116

1k

C120

1000p

R117

2.2k

R120

12

L109

82n

C126

1000p

C123

0.1u

C131 1000p

C130

12p

C128 12p

C133 12p

R123 100k

C142

33p

C137 1000p D105 1SV283

C127

1000p

C141 12p C140

1000p

L110

6T

C134

10p

D103 1SV283

D104 1SV283

C132

1000p

C135

1000p

L111

6T

C136 12p

R124 100k

L113

6T

C138

12p

C139 1000p D106 1SV283

R122 100k

R121 100k

L112

6T

C129 1000p

L114

22n

C150

9p

R130

0

R327 100

R332 100

R330 100

R323 1k

PLL F_IN

DOUBLER AMP

5C

AM1

AFO

MI2

DT

PLL SYSTEM IC

PLE

DT

PCK

GND

DGND

REF

GND

FRONT-END LNA

CP

Fin

CPGND

5C

RF BPF

TUNING

AM1

CPGND

Fin

UL

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

5C

CP

REF

GND

ME

PLL LPF

PLL F_IN

FILTER SW

D301,302 D304,305

PLL F_IN

FILTER SW

PLL LPF

PLL LPF

CV

11CL

IC302

TC7S66FU

PLL CP SW

CPGND

AGND

AGND

RFinB

RFinA

AVDD

AVDD

RFEin

DGND

DGND

CE

CLK

DATA

LE

MUXOUT

DVDD

DVDD

VP

Rset

CP

IC301

ADF4111BCP7

AFO

MI2

ME

RF BPF

TUNING

D103-106

X301

L77-1952-05

oUTPUT

VCC PLL F_IN

FILTER SW

Q305,314

10.30V

4.9V

4.90V

4.77V

4.99V

4.99V

4.99V

FL:2.1V

FC:3.8V

FH:6.8V

0.93V

0.15V

4.98V

4.36V

1.14V

R:4.82V

T:0V

7.86V

5.72V

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)