Kenwood TK-7180 ADACABAAZ

65

SCHEMATIC DIAGRAM TK-7180

ADACABAAZ

X57-698 6/9

R359

150

10CL

R178

0

C185

0.01u

Q310

DTC114EE

R361

330

MOD

C252

1000p

L185

68n

C376

1000p

R355

270

C197

0.01u

8T

TC301

8p

D314

1SV278

C369

1000p

R251

1k

C384

0.01u

C183

0.01u

C257

1u 25

R181

330

C190

39p

R257

15k

R356

10k

C256

0.01u

C196

0.01u

TC302

8p

R256

120k

C201 4p

L319

82n

C192

0.01u

1

G1 2

D1 3

D2

4S2

5S1

6G2

C200 4p

R334

0

R255

0

C253

0.01u

R183

68

R343

4.7k

C184

1000p

R357

10k

C380

470p

R351

4.7k

C195

1000p

C187

39p

R348

10k

C382

0.01u

C251

1000p

R176

47

C188 4p

C199

39p

C371

10u6.3

2SC5108(Y)

Q313

L175

R252

4.7k

D251 1SS388

D313

BB664

L180

68n

L181

10u

C383

1000p

R180

820

R347

4.7k

C378

1000p

R350

22k

R367

3.3k

C198

68p

C343

10u10

R254

0

D311

BB664

C342

1000p

C370

470p

R360

330

L184 390n

R375

1k

C193

0.01u

5R

C202

39p

L182

100n

1PGND

2GND

3FB 4

SHDN

5

VCC

6

LX

L183 390n

D308 BB664

R353

4.7k

C182

0.01u

T/R

L179 390n

R336

1k

C385

470p

L178 390n

C255

10u16

R366

2.2k

L177

270n

C258

4.7u16

L251

10u

R258

22

C352

15p

5R

R337

10k

C194

0.01u

R184

10

C367

1000p

C374

1000p

R177

1k

D315

HVC131

C379

15p

R182

3.3k

R253

10k

C186 33p

R335

0

C368

1000p

C204

0.01u

5R

D316

HVC131

C189 4p

L310

2.7u

D309 BB664

D307 BB664

D312

BB664

L312

2.7u

C346

68p

C350

47p

L314

50n

L315

2.7u

C353

1000p

C357 15p

C355

15p

C360

15p

R342

180

L317

2.7u

C362

1000p

2SC4116(GR)

Q308

R352 33

D310

BB664

D306 BB664

L309

3.3u

L311

3.3u

C347

68p

L313

35.5n

R338

10k

C354

56p

C356

0.75p

C359

9p

C358

10p

R339

100k

R340

100

C364

1p

L316

3.3u

R341

330

C361

1000p

R346

100

C363

1000p

C392

1000p

R370

1k

R354

330

L318

82n

R349

27k

C373

1000p

C390

1000p

C391

1000p

C365

1p

R345

100

R344

100

C372

15p

C375

1000p

R358

8.2k

C377

1000p

C393

27p

C394

22p

L320

39n

C381

1000p

R365

2.2k

C173

22p

C171

15p

C174

7p

C172

2.5p

L171

27n

C175

12p

L172

22n

R171

820

R172

5.6

R173

820

R179

1k

C181

1000p

C178

1000p

L174

L39-1421-05

R175

2.2k

C177

1000p

R174

68

C176

1000p

R126

33

R127

180

R125

180

5C

AM1

AFO

TX/RX

VCO SW

TX/RX

VCO SW

MI2

TX/RX

VCO SW

ME

REVERSE

VOLTAGE

PROTECTION

MODULATION

CONTROL

FOR TX VCO

CV

VCO BUFFER

AMP

AM1

8T

CV

11CL

CV

L173

L39-1421-05 IC171

SPM5001

RX 1ST MIXER

L176

L39-1421-05 XF171

L71-0618-05

2SC5108(Y)

Q171

IF AMP

XF171

L71-0618-05

AFO

MI2

ME

IC251

MAX5026EUT+T

DC-DC CONVERTER

2SC4617(S)

Q251

RIPPLE

FILTER

FREQUENCY

CONTROL FOR

TX/RX VCO

D307,309,312,313

2SK508NV(K52)

Q306

TX/RX VCO

D306,308,310,311

FREQUENCY

CONTROL FOR

TX/RX VCO

2SC4116(GR)

Q309

VCO BUFFER AMP

2SC5108(Y)

Q311

2SK508NV(K52)

Q307

TX/RX VCO

2SC4617(S)

Q312

RIPPLE FILTER

TX/RX

BAND SW

D315,316

7.81V

4.28V

0.87V

4.35V

4.97V

4.98V

R:0V

T:2.40V

R:4.88V

T:0V

4.01V

1.43V

0.84V

4.96V

4.41V

0.07V

4.40V

3.94V

3.44V

3.90V

0.74V

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)