Kenwood TK-7102H Service Manual Download Page 39

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N

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J

I

H

G

F

E

D

C

B

A

SCHEMATIC DIAGRAM   

TK-7102H

Note : The components marked with a dot (

) are parts of layer 1.

T:7.9V

R:2.78V

R:4.9V

R:7.59V

R:7.25V

R:0.75V

R:6.2V

R:7.08V

T:4.9V

T:2.4V

R:0.7mV

R:2.46V

W:4.9V
N:0V

R:13.5V

R:0.64V

T:7.5V

R:4.82V

R:6.9V

T:6.9V

R:6.8V

R:4.17V

R:5.44V

R:6.2V

R:4.85V

T:7.9V

T:0.79V

T:16V

T:2.2V

T:2.0V

T:13.6V
R:12.6V

R:3.8V

R:0.069V

T:4.8V
R:4.8V

R:7.77V

R:6.6V

T:3.37V

R:4.5V

R:13.5V
T:13.0V

T:1.5V

R:4.9V

R:4.9V

T:0.82V

R:7.9V

R:0.82V

T:1.09V

R:7.9V

R:1.25V

R:0.76V

T:1.2V

R:1.77V

W:0V
N:4.9V

R:12.8V

R:2.4V

R:7.39V

R:4.9V
T:0.8mV

R:0.58V

R:3.37V

T:0.38V

T:6.6V

R:2.49V

R:1.2mV

R:7.9V

R:0.89V

R:1.66V

R:0.57V

R:1.11V

R:7.9V

5.0V

R:1.85V

R:1.62V

T:6.7V

T:0.97V

5.0V

T:7.9V

R:7.9V

4.9V

R:7.9V

R:3.1V

0.17V

3.7V

11.40V

11.1V

0.16V

0.17V

3.7V

11.38V

11.34V

0.16V

0.16V

0.15V

0.17V

11.40V

9.57V

0.16V

4.23V

4.96V

13.46V

11.35V

11.4V

-t

-t

-t

-t

FNC5

FNC8

FNC7

FNC2

FNC6

FNC4

FNC1

FNC3

C255

8200p

C358

1000p

100

C258

0.01u

R222

1k

R351

470

C376

1000p

C221

0.1u

R601

22k

C460

18p

R316

22k

L354

*

C522

1000p

17

R421

1.5k

C232

1000p

C45

22u10

C264

0.033u

R214

68k

R434

0

C38

1000p

C421

470p

R363

150k

2SC4919

Q201

R513

2.2k

R208

1.5k

L504

27n

8T

D31

ZSH5MA27

83

C61

1000p

Q36

KRC102S

70

85

R37

0

R424

220

8C

C451

470p

C351

33p

C383

1000p

C266

0.1u

R233

6.8k

C461

1000p

R264
120k

D607
MA742

C613

33p

71

C440

*

C525

1000p

R217

220k

TC401

10p

R62

1k

R425

47k

C448

470p

R212

82k

R269

82k

C309

0.022u

R323

220k

C430

5p

C51

10u6.3

C162

4.7u6.3

R227

22k

8R

R352

100

R532

0

C611

2p

C308

1000p

C151

1800p

R131

1k

R257

1M

L601

5T

R522

*

R369

0

C206

1000p

C557

0.01u

C513

1000p

2SC4617(S)

Q251

L351

820n

R524

470

C259

0.01u

99

R61

470

C463

1000p

R501

1k

L502

68n

45

L417

C42

0.01u

5M

1

2

3

4

5

6

7

8

C387

1000p

C533

*

Q408

KRX102U

5C

C607

2p

C268

0.1u

R313

100k

C558

0.01u

C436

0.5p

C454

6p

R512

10

R442

100

C363

0.01u

R230

120k

R216

270k

B

C514

1000p

R203

100k

D403

MA2S304

D409

DAN235E

C225

1u16

C511

1000p

C506

1000p

71

R364

0

R511

47

L201

R166

1k

R319

10k

43

IC201

NJM2100V

1

2

3

4

5

6

7

8

V+

2SK1824

Q252

C44

22u10

C355

15p

C444

470p

R38

330k

D501

1SS355

C53

1000p

C531

47u25

36

2SJ243

Q407

L503

27n

C501

1000p

C462

10p

L352

560n

L605

9.5T

D406

MA2S304

R258

2.7k

R526

150

2SC3357

Q501

R411

5.6k

C152

3900p

C361

1000p

C213

3300p

C77

1000p

47

C556

1000p

70

C413

0.01u

R503

18

Q32

KRC102S

C310

0.33u

C43

22u10

8C

R413

10k

R605

15k

R34

4.7k

R428

47k

D402

HZU5ALL

R104

1k

C615

22p

C504

1000p

R606

220

R109
1.5k

9

C362

1000p

C602

5p

46

R317

10k

L418

*

C372

1000p

C263

0.033u

C518

33p

R505

2.2k

IC31

KIA7808AF

2

COM

1

IN

3

OUT

R261

120k

C441

0.5p

C431

5p

R231

68k

R81

47k

D201

DAN222

C205

0.1u

8T

99

R201

680

L603

5T

C380

1000p

C442

10u6.3

C555

5p

R112

47k

R356

1k

C465

22p

L357

43n

R320

10k

R318

10k

C204

2.2u10

C529

1000p

C439

6p

L509

9.5T

C208

0.01u

C56

1000p

D202

1SS372

D405

MA2S304

8R

R429

100

R521

100

R32

470

IC32

NJM78L05UA

2

COM

3

IN

1

OUT

R262

18k

R152
4.7k

C512

1000p

C416

1000p

C202

1000p

2SC4649(N,P)

Q404

B

C377

1000p

C214

150p

C379

1000p

C505

1000p

C374

22p

R366

470

R268

1k

C220

4.7u6.3

C256

0.018u

C503

100p

R360

470k

C467

1000p

C617

1000p

R368

100k

3SK255

Q353

G1

D

S

G2

C411

0.1u

R504

270

R412

10k

C519

82p

C231

1000p

C610

0.5p

C353

0.01u

R510

1.5k

R430

100

L420

150n

R223

4.7k

R308

330k

L415

*

C210

0.1u

8R

L507

1T

C424

1u16

R530

1k

C306

1000p

R423

*

Q34

KRC102S

C608

33p

D503

02DZ5.1(Y)

L416

C254

1u

R527

220k

C201

0.1u

2SJ243

Q202

R433

4.7k

R224

1k

R416

470

R514

0

R311

33k

R107

47k

L406

*

R35

47k

5C

R207

750k

C559

0.1u

R36

1.5k

C227

0.01u

R33

47k

X401

L77-1868-15

XOUT

5C

C37

1000p

Q61

KRC404RTK

C423

0.047u35

R602

22k

C554

1000p

R77
130k
(D)

D401

MA2S111

R228

10k

R359

220k

C466

100p

C265

0.1u

R310

1k

C28

220p

R533

0

R202

0

TH301

100k

R260

220k

C318

0.1u

IC35

PST9140NR

1

NC

2

VEE1

3

VEE2

4

5

5C

C509

15p

C526

680p

C432

0.5p

R422

10k

R528

470

R410

*

C229

4.7u6.3

C459

1000p

C542

*

C502

1000p

C412

10u6.3

R255

5.6k

CN601

8R

C456

2p

R322

100

D354

HVC350B

1

2

3

4

VEE

5

6

7

8

VCC

78

C207

0.022u

C414

0.1u

R211

82k

R265

5.6k

R420

2.7k

C161

1000p

R321

22k

R266

5.6k

R436

120k

69

R205

820

8T

C530

0.47u

R204

18k

R441

100

R215

68k

C357

0.01u

R312

47k

C422

470p

C261

0.01u

C360

1000p

C425

0.1u35

R267

0

8C

R516

0

R444

1k

C507

1000p

C257

0.039u

R507

10

R440

100

D353

HVC350B

2SK1824

Q253

C260

0.01u

R419

1k

L421

100n

C50

0.01u

C78

1000p

R130

1k

TC402

10p

R435

100

5M

C536

1000p

5C

IC33

NJM78L05UA

2

COM

3

IN

1

OUT

C163

1000p

C606

0.5p

C262

1000p

86

TC352

10P

L405

R209

240k

C438

2p

R506

10k

R529

470

8C

C616

1000p

L501

68n

R431

100k

R358

47

TC351

6P

C368

22p

L505

*

3SK255

Q352

G1

D

S

G2

C36

1000p

D404

MA2S304

R259

12k

78

R443

2.2k

C35

1000p

8C

R371

470k

R165

1k

2SC2412K

Q301

C437

470p

L419

100n

48

R502

270

R232

9.1k

R437

1k

D608

1SS355

R426

47k

R229

680k

C449

470p

R523

*

C211

820p

D302

DAN222

R256

5.6k

C230

0.1u

R409

100k

C34

330u25

D602

MA4PH633

D407

MA360

R432

1k

R525

56k

D408

MA2S111

C364

1000p

IC202

NJM2904V

1

2

3

4

5

6

7

8

V+

R438

22k

L604

5T

R509

22

D351

HVC350B

R31

4.7k

R263

91k

35

R309

3.3k

R124

47k

R206

100

R354

330

C203

0.027u

R417

220k

D606

MA742

R370

150

L304

330n

R39

470k

R41

330k

R362

470k

R365

100k

C54

0.1u

C359

8p

SB

F501

C215

0.1u

C233

4.7u6.3

R418

1k

C510

8p

C228

10u6.3

D502
DA221

C384

1p

R519

33k

C52

1000p

5M

C212

1200p

C560

1000p

C516
820p

R415

0

5M

C366

0.1u

R376

100k

R108

47k

C317

0.1u

SB

R40

390k

R220

15k

C452

470p

R518

33

R161

1.2k

8R

C40

0.1u

C382

22p

C375

1000p

C418

1000p

L602

5T

R531

47k

C371

2p

SB

C41

22u10

C307

0.022u

C370

1000p

R373

680k

R367

47

C324

0.01u

C603

1000p

R375

100k

C457

1000p

L422

56n

C455

3p

D352

HVC350B

C39

0.1u

5C

D303

DAN222

C55

0.1u

C378

1000p

R213

330k

IC34

PST9140NR

1

2

3

4

5

84

R162

1.5k

C450 22u10

R210

18k

C517

3p

R221

15k

8R

C217

10u6.3

R164

1k

C49

0.01u

C515

27p

C464

1000p

C316

0.1u

CN2

1

2

3

4

5

6

7

8

9

10

11

12

C15

470p

C17

470p

CN3

1

IGN

2

DATAI

3

DETO

4

TXAFI

5

TXAFO

6

EMGMIC

7

RXAFO

8

ALTI

9

RXAFI

10

5C

11

8C

D5

D

A221

D7

D

A221

D9

D

A221

C14

470p

D11

D

A221

D8

D

A221

D4

D

A221

C24

470p

C25

470p

D6

D

A221

C22

470p

C16

470p

C20

470p

C21

470p

C26

470p

C19

470p

C13

470p

CN4

1

GND

2

NC

3

NC

4

NC

5

TXDATA

6

NC

7

NC

8

RESET

9

RXDATA

10 SIGOUT(L)

11 VCC

12 NC

13 SIGOUT(H)

14 DISC

15 BEETOUT(H)

16 BEEPOUT(L)

17 IRQ

18 NC

19 NC

20 GND

C23

470p

D10

D

A221

C18

470p

29

30

43

45

46

48

47

49

8

1

8C

5M

R123

0

C101

1000p

R121

0

C102

0.1u

R122

0

IC401

MB15A02

11

12

13

14

15

16

17

18

19

20

C402

100p

C403

100p

C401

100p

R402

1k

C404

15u6.3

R403

1k

R401

1k

R405

0

R404

10k

C164

10u6.3

R219

180k

C218

10u6.3

R218

82k

IC203

NJM2902V

1

2

3

4

V+

5

6

7

8

9

10

11

GND

12

13

14

R226

100k

R225

150k

C389

1000p

R379

100k

R349

47k

C350

470p

R350

27k

2SK1824

Q354

8T

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

8RC

77

8TC

78

CM

79

NC

80

NC

81

NC

82

SBC

83

KMI2

84

KMI1

85

KMI3

86

KMI4

87

PWRPRCT

88

SIGNAL

89

TEMP2

90

TEMP1

91

BATT

92

RSSI

93

SQIN

94

AVSS

95

NC

96

VREF

97

AVCC

98

NC

99

KMO1

100

KMO2

R118

1k

R119

1k

R116

1k

R117

1k

R115

1k

R113

47k

R114

1k

49

R105

1k

R106

1k

29

30

L401

C409

0.1u

C410 10u6.3

L404

R408

10

C408

22p

L403

10u

R407

1.5k

C406

1000p

L303

330n

C322

56p

L302

330n

C319

100p

C323

270p

R414

470

C417

1000p

L411

*

L407

*

L412

*

C428

470p

C427

*

C426

*

L408

*

L409

*

C429

*

L410

*

C453

220p

C434

*

C435

*

L413

*

L414

*

R427

100k

R103

1k

17

8C

C458

220p

C468

220p

C471

*

RD55003TR

Q503

C528 220p

C527

1000p

C541

*

C549

220p

L506

9.5T

C545

1000p

C546

0.47u

C574

1000p

C576

220p

C552

*

C553

*

C550

68p

L508

2.5T

8T

D604

*

C601

*

D603

*

C605

*

C388

*

R378

*

CN1

69

5C

SB

100

R126

1k

R127

1k

83

R125

1k

84

86

R128

1k

85

2SK1824

Q1

5C

R5

22k

C10

1000p

5C

POWER

35

R110

47k

5M

R151

10k

R163

47k

C269

0.1u

R270

2.7k

5M CNVSS

R101

47k

R78

1k

5M

R86

0

2SK1824

Q87

C87

18p

C88

6p

X86

L77-1934-05

C90

18p

C89

6p

R76

18k

(D)

R87

1k

R102

47k

R82

0

C83

0.1u

C82

1000p

5M

R92

1k

R93

5.6k

R91

1k

C103

1000p

R94

5.6k

R603

47k

C97

1000p

TH98

100k

TH97

100k

C98

1000p

C29

470p

C30

1000p

C33

1000p

B

BSB

R70

47k

R69

1k

R66

47k

R68

1k

R67

47k

C66

1000p

5M

R251

47k

C251

4.7u6.3

1

2

3

4

V+

5

6

7

8

9

10

11

GND

12

13

14

R252

470k

C252

39p

R253

0

C253

1u

R254

680

C272

1000p

R273

4.7k

D251

MA742

R272

1.5k

R274

15k

C271

3300p

C270

4.7u6.3

R275

15k

R271

560

3

7

3

9

7

8

R249

47k

R250

47k

C250

0.1u

5C

C267

0.47u

IC301

TK14489V

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

C305

*

R303

22k

C315

0.1u

R314

2.2k

C312

0.1u

C301

4.7u6.3

C303

4700p

C314

0.01u

C302

1000p

R315

18k

R306

270k

C304

*

R301

4.7k

R302

4.7k

C313

15u6.3

R325

33k

L301
L34-4554-05

C311

0.1u

R324

0

R304

4.7k

C326

0.01u

8C

L101

C104

0.1u

R129

0

R353

100k

R355

*

R361

*

C367

*

C369

*

L355

*

C373

*

R372

*

R374

*

C386

*

L356

*

5C

8R

5M

8C

5C

C226

4700p

R439

47k

R1

100

R2

0

R3

1k

R4

3.3k

R111

1k

R520

18k

36

R71

4.7k

C72

1000p

1

R72

1M

Q71

KRC414RTK

5M

R75

1k

R73

100k

R74

47k

B

D3

D

A221

D1

D

A221

D2

D

A221

C279

4.7u16

C276

1000p

C278

0.1u

C281

1000p

R278

12k

C280

47u16

1

2

3

4

5

6

7

8

9

10

R281

0

Q254

DTC363EU

5C

R280

390

C283

1000p

C273

1u

R279

4.7k

C275

1u

CN5

BSB

C282

470u16

R276

47k

J1

Q255

KRC102S

R277

68k

C277

1000p

C274

0.22u

VR1

47k

TH351

*

D605

XB15A709

D501

+

MIC AMP

PLLE(CPU3)

FR

OO(EV

OL23)

X57-6700-XX  TX-RX UNIT

DC SWITCH

IF SWITCH

-

8R

BEAT
SHIFT

-

KEC

KDC

SQL AMP

8C

MOD BUFFA

BUFFER AMP

TEMPERATURE
COMPENSATION

BUFFER
AMP

W/NI(EV

OL1)

SURGE ABSORPTION

BEAT
SHIFT

KEC

AFM(CPU50)

D32

TX/RX(CPU20)

D1-3

-

D31

1/2Vcc

VOLTAGE
DETECTOR
INT

DETECTION

MIC AMP

8R

-

-

DIGITAL

8TC

8C

5C

KEC

+

MOD

SB

OR GATE

FM DEMODULATION

KEC

TP

1/2Vcc

-

ANT SW

D606,607

VOLTAGE
DETECTOR
RESET

APC VOLTAGE
DETECT

8T

PC

+

5M

MIXER

-

-

RF BPF TUNING

SUM AMP

-

+

+

CV

+

CK(CPU54)

1,1A

RX

HPF

B

+

MIC

TEMPERATURE
COMPENSATION

AGC

TCXO

VOLTAGE
DROPPED

+

BUFFER AMP

-

RF AMP

16.8MHz

AFI(EVOL12)

-

DC
AMP

AF AMP

+

DT(CPU53)

AUDIO
FILTER

+

PRE DRIVE AMP

-

8C

LIPPLE
FILTER

RF SWITCH

PLL IC

1/2Vcc

+

+

SPLATTER FILTER

PLL SYNTHESIZER

RF AMP

D351,352

RX VCO

VOLTAGE REGULATOR

-

+

CURRENT
PROTECTION

CV

5C

-

REVERSE
CONNECTION
PROTECTION

E

OVER VOLTAGE

IDC

CHARGE PUMP

INT(CPU18)

+

Q402,403

KEC

POTENTIOMETER

RXD TXD

RESET(CPU10)

INT(CPU18)

Q35,36

Q33,34

SBC(CPU82)

1/2Vcc

Scrambler

Scrambler

8R

8RC(CPU76)

8TC(CPU77)

50.4MHz

AFV

D353,354

RF BPF TUNING

RF BPF

EEPROM

IF SWITCH

PRE DRIVE AMP

LIMITTER

TX AF

MIC MUTE

DC SWITCH

DC SWITCH

W/NI(EVOL1)

DI

W/NO(EV

OL2)

SQIN(CPU93)

5M

5M

5M

RSSI(CPU92)

RESET(CPU10)

TV

KEC

IGNITION

DTMI(EVOL16)

RSSI(CPU92)

RSSI(CPU92)

8CL

8CL

AF MUTE

AFO(EVOL11)

AMPSW(CPU52)

AF MUTE

KEC

SPM(CPU51)

R120

0

CLK

NC3

D

ATA

LE

FC

NC4

FOUT

P

NC5

R

OSCIN

NC1

OSCOUT

VP

VCC

DO

GND

LD

NC2

FIN

VOLTAGE

REGULATOR

MIC

AFO(EVOL11)

PC/TV

AMPSW(CPU52)

SMP(CPU51)

8RC(CPU76)

8TC(CPU77)

W/NO(EVOL2)

WIDE(CPU65)

NARROW(CPU64)

AFI(EVOL12)

AMPSW(CPU52)

SMP(CPU51)

SBC(CPU82)

DTMI(EVOL16)

QT/DQT(CPU1)

TX/RX(CPU20)

UL(CPU21)

EVLLD(CPU8)

PLLE(CPU3)

1/2Vcc

IGN(CPU72)

D4-11

SURGE ABSORPTION

2SK1824

Q86

DTMI(EV

OL16)

MOD

MODI(EV

OL9)

MODO(EV

OL10)

PC/TV

O(EV

OL3)

EVLLD(CPU8)

TX/RX (CPU20)

UL(CPU21)

PC/TV

DTMO(EV

OL15)

PLLE(CPU3)

IGN(CPU72)

SBC(CPU82)

IC161

M62363FP

AFI(EVOL12)

AFO(EVOL11)

MICEM(CPU74)

MICMT1(CPU73)

IC402

UPB1509GV

DIVIDER

SW1

SW2

OUT

VCC2

VCC1

IN

IN

GND

XF351

49.95M

L71-0591-05

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

DI

CL

CE

5C

SB

KMO2

KMO1

KMI4

KMI3

KMI1

KMI2

CM

HOOK

POWER

PTT

MIC

PC/TV

MIC

8TC(CPU77)

8RC(CPU76)

AFO(EVOL11)

W/NI(EVOL1)

DT(CPU53)

CK(CPU54)

W/NO(EVOL2)

PC/TV

O

PC/TVI

VDD

LD

CLK

DA

T

MODI

MODO

W/NO

W/NI

AFI

AFO

DTMI

DTMO

BLO

BLI

IN

OUT

DO

VDF

ref

RESET

GND

FRQI

FRQO

SPM

AMPSW

DT

CK

NC

NC

DST1

DST2

DST3

VCC

NC

VSS

NC

NARR

O

W

WIDE

NC

NC

NC

CL

CE

DI

IGN

MICMT1

MICEM

MICMT2

EEPWP

EEPCK

EEPDT

FNC1

FNC2

CLKFLS

BSYFLS

TXD

RXD

PTT

HOOK

NC

NC

EMPFLS

NC

NC

NC

FNC3

CEFLS

FNC4

FNC5

FNC7

FNC6

FNC8

AFM

QT/DQT

DTMF/MSK

PLLE

NC

NC

GND

CNVSS

EVLLD

BSHIFT

RESET

XOUT

VSS

XIN

VCC

GND

DTMSTD

PO

WER

INT

NC

TX/RX

UL

NC

NC

NC

NC

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

CF301

L72-0993-05

CF302

L72-0999-05

QUCO

PH_S

DEC2

DEC1

IF_IN

VCC

MIX_O

NC

OSC(E)

OSC(B)

Hy_C

GND

RFIN

AFO

RSSI

FLAMPI

FLAMPO

SQLIN

SCAN

SCAN

NARROW

DC SWITCH

 VOLTAGE

REGULATOR

8C

OUT

VCC

NC

VEE1

VEE2

OUT

VCC

W/NO(EV

OL2)

SQIN(CPU93)

IC251

NJM2902V

R305

1.8k

SDA

SCL

WP

VCC

A0

A1

A2

GND

IC66

AT24C64N10SI18

1

2

3

4

5

6

7

8

9

10

2SC4738(GR)

Q403

2SA1832(GR)

Q402

TX VCO

D405,406

D407

MODULATION

RX VCO

D403,404

2SK508NV(K52)

Q406

2SK508NV(K52)

Q405

TX VCO

LIPPLE
FILTER

LIPPLE
FILTER

2SC4617(S)

Q440

T/R SW

2SC5108(Y)

Q410

BUFFER AMP

T/R SW

2SC5108(Y)

Q351

IF AMP

2SC4649(N,P)

Q411

RF AMP

FINAL AMP

RD70HVF1-01

Q504

DRIVE AMP

IC501

TA75W01FU

IC252

LA4600

AUDIO AMP

SBC(CPU82)

RESET(CPU10)

INT(CPU18)

1/2Vcc

SQIN(CPU93)

AF MUTE

AF MUTE

DETECTION

D301

MA742

WIDE

5

6

7

8

1

2

3

4

IC101

30622MAA-B83GP

CPU

13

14

15

16

17

18

19

20

21

22

23

24

1

2

3

4

5

6

7

8

9

10

11

12

2SA1641(S,T)

Q31

D32

1812L110PR

KTA1664(Y)

Q35

2SA1745(6,7)

Q33

D61

02DZ18(X,Y)

OVER VOLTAGE
DETECTION

ANT SW

D603-605

TEMPERATURE
COMPENSATION

APC CONTROLLER

VOLTAGE
PROTECTION

2SC4617(S)

Q302

2SC3357

Q502

R3

1k

R7

2.7k

L1

J1

C25

0.01u

R14

2.7k

R11

2.7k

C9

0.01u

R16

100

R10

2.7k

R1

1k

R20

2.2k

R8

2.7k

C14

0.01u

C27

0.1u

R2

1k

CP3

3.9k

C4

0.01u

R6

1k

R18

4.7k

R13

2.7k

C18

1u

C13

0.01u

CN1

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

R17

10

C10

0.01u

R5

1k

Q4

KRC102S

Q10

KRC102S

C16

0.01u

IC1

BU2090FS

1

VSS

2

DATA

3

CLOCK

4

Q0

5

Q1

6

Q2

7

Q3

8

Q4

9

10

11

12

13

14

15

16

Q9

KRA225S

C8

0.01u

R19

2.2k

R4

1k

C11

0.01u

D13

D

A221

CP4

3.9k

C15

0.01u

R12

2.7k

C17

0.01u

R15

2.7k

R9

2.7k

C12

0.01u

CM

ME

KMO1

SUPER RED

KMI4

4

LEDC1

P

X54-3460-20  DISPLAY UNIT

CL

1

DI

2

KMI3

PTT

6

KMI2

ME

LEDMON

5C

5C

BUSY LIGHT SWITCH

MICBL

CM

HOOK

SB

SUPER AMBER

HOOK

LEDC4

LEDC2

SHIFT REGISTER FOR
LED & MICBL CONTROL

4

ME

HOOK

MICBL

3

5

YELLOW GREEN

LEDG

3

PTT

CM

PTT

D1-4

MIC

KEY BACKLIT SWITCH

1

LEDR

KEY BACKLIT

MICBL

Q9,10

D13

5C

KMI1

GND

POWER

2

NORMAL AMBER

8

KMO2

7

MIC

LEDPF

LEDC3

MIC

5C

M

2

M

P

4

R

1

3

G

Q5

Q6

Q7

Q8

Q9

Q10

Q11

VDD

D9

B30-2239-05

D8

B30-2239-05

D10

B30-2239-05

D5

B30-2239-05

D11

B30-2237-05

D7

B30-2239-05

D6

B30-2239-05

D12

B30-2240-05

CHANNEL KEY LIGHT

MONITOR KEY LIGHT

SURGE PROTECTION

PROGRAMMABLE KEY LIGHT

BUSY

TRANSMIT

D7-10

D2

B30-2238-05

D4

B30-2238-05

D1

B30-2238-05

D3

B30-2238-05

:KRC414RTK

22p

X57-6700-XX

D251.301,606,607

:KRC102S

NO

67n

:2SJ243

:HVC350B

L414

330p

IC201

15n

68n

Q254

5p

270n

R522

Q61

12p

1p

D602

L406

Q503

120k

L505

:MA742

L412

D61

Q33

2p

L409

R355

:2SC2412K

27p

33n

8p

:NJM2904V

27u

Q405,406

:2SC5108(Y)

1p

IC66

C471

220

C440

50n

47k

:KRC404RTK

100n

IC401

220k

:2SC3357

7p

L356

Q301

:2SK1824

4.7u

IC202

L410

NO

4p

:2SA1641(S,T)

NO

1k

Q251,302,440

IC203,251

Q35

:KTA1664(Y)

18.5n

L407

:30622MAA-B83GP

Q408

C386

:AT24C64N10SI18

:2SA1745(6,7)

C541

Q351,410

:RD70HVF1-01

27u

:PD55003TR

27p

Q31

:NJM2100V

Q1,86,87,252,253,354

12p

Q403

Q501,502

:NJM78L05UA

12p

Q352,353

L408

L411

D603,604

47

:DTC363EU

L354

D202

270n

XB15A709

:2SK508NV(K52)

27u

NO

C388

D351-354

470

B57331V2104J

L415

270n

:DAN222

Q71

180k

330p

Q202,407

120k

22p

C434

270n

D31

L355

:2SC4649(N,P)

L413

C427

6p

:MA360

C542

C426

D604

C533

:

18p

IC501

0

10p

NO

:1SS355

:PST9140NR

15p

68p

IC31

390p

39k

:ZSH5MA27

10p

:UPB1509GV

D407

XB15A709

50n

:TA75W01FU

39n

C304

:DAN235E

4p

R523

NO

C435

:1812L110PR

39n

L418

27p

15p

D32

27p

27u

D409

:KIA7808AF

D603

330

:MA4PH633

:2SC4738(GR)

C553

:LA4600

4p

:MB15A02

270n

:NJM2902V

27u

C373

R361

:3SK255

IC32,33

27u

IC101

D402

R372

Q404,411

33p

D201,302,303

IC301

390p

IC34,35

4p

IC252

50n

C429

D503

Q201

270n

IC161

:DA221

:M62363FP

330

IC402

C601

:2SA1832(GR)

R423

:MA2S111

470p

4.7u

D1-11,502

C367

C369

R374

:KRX102U

:MA2S304

67n

C305

56

68n

Q504

100p

TH351

C605

:1SS372

270n

67n

6p

Q402

24p

33p

:2SC4617(S)

27n

180

D501.608

0.5p

:02DZ18(X,Y)

:HZU5ALL

10

D401,408

Q32.34,36,255

:XB15A709

:02DZ5.1(Y)

D605

R378

:2SC4919

150p

:TK14489V

100p

C552

D403-406

Q4,10

:BU2090FS

D11

D1-4

IC1

:DA221

Q9

D5-10

:B30-2240-05

X54-3460-20

:KRC102S

D13

:B30-2239-05

:B30-2238-05

:B30-2237-05

D12

:KRA225S

X57-6700-XX

M2,K2

M,K

M,K

X57-6700-XX

M2,K2

M2,K2

M,K

X57-6700-XX

*

UL(CPU21)

MOD

MIC

W/NI(EVOL1)

DT(CPU53)

CK(CPU54)

PLLE(CPU3)

W/NO(EVOL2)

R410

10k

8.2k

VC

GND

-23,-25

-22,-24

-22,-24

-23,-25

-22,-24

-23,-25

136-162MHz

146-174MHz

136-162MHz

146-174MHz

146-174MHz

136-162MHz

MBL
SB
GND
PTT
ME
MIC
HOOK
CM

Summary of Contents for TK-7102H

Page 1: ...OARD DISPLAY UNIT X54 3460 20 35 TX RX UNIT X57 6700 XX 37 SCHEMATIC DIAGRAM 43 BLOCK DIAGRAM 47 LEVEL DIAGRAM 49 SPECIFICATION 51 CONTENTS REVISED This service manual applies to products with 50300001 or subsequent serial numbers In terms of the products with the serial numbers earlier than 50300001 refer to the TK 7102H service manual as per part No B51 8610 00 and B51 8627 00 Service Manual Lis...

Page 2: ...required to install or operate the radio 3 PRE INSTALLATION CHECKOUT 3 1 Introduction Each radio is adjusted and tested before shipment How ever it is recommended that receiver and transmitter opera tion be checked for proper operation before installation 3 2 Testing The radio should be tested complete with all cabling and accessories as they will be connected in the final installation Transmitter...

Page 3: ...ic diagrams printed circuit board views and align ment procedures contained in this manual Speaker jack cap Power input connector Antenna connector NOTE If you do not intend to use the 3 5 mm jack for the external speaker fit the supplied speaker jack cap to stop dust and sand from getting in Merchandise received License and frequency allocated by FCC Choose the type of transceiver Transceiver pro...

Page 4: ... volume level e key Press to decrease the volume level r key PF Programmable Function key The default setting of this key is None no function The programmable func tions available for this key are listed below t key PF Programmable Function key The default setting of this key is Monitor Other programmable functions avail able for this key are listed below y 1 2 3 4 keys Press to select a channel f...

Page 5: ...nitor Used to release signalling press once or squelch press and hold for approximately two seconds when operating as a conventional It is also used to reset option signalling Scan ON OFF Press this key starts scanning Pressing this key stops scanning Talk around Press this key the transceiver uses the receive frequency and the tone for transmission The operator can call the other party directly w...

Page 6: ...tone sounds while the PTT button is held down The warning tone stops when the PTT button is released PTT ID PTT ID provides a DTMF ANI or MSK ID to be sent with every time PTT connect ID at beginning of transmission dis connect ID at end of transmission or both You can program PTT ID on or off for each group channel DTMF The contents of ID are programmed for each transceiver The transceiver is cap...

Page 7: ...ify the user of the transceiver operating state Refer to the help file on the KPG 70D regarding the func tions that are not listed below Stun on tone When a stun code is received transpond tone sounds Stun off tone When a stun release code is received transpond tone sounds Group call tone Sounds when a group call with the correct DTMF option signalling is received repeats 7 times You can select ye...

Page 8: ... the Power is switched on user mode can be en tered immediately When the PC sends a command the radio enters PC mode When data is transmitted from transceiver the red LED blink When data is received by the transceiver the green LED blink In the PC mode 4CH LEDs MON LED and LED are turned on Notes The data stored in the personal computer must match model type when it is written into the EEPROM Atta...

Page 9: ...y the same program as the master 5 The other slave can be continuously cloned Carry out the operation in step 2 to 4 4 1 Adding the data password If the data password is set in the optional feature menu you must enter the password Master transceiver to activate a clone mode you can use 1 2 3 and 4 to configure the password The maximum length of the password is 10 digits 1 1 Power ON 2 1 4 LED and ...

Page 10: ...13 2 5 8 11 14 3 6 9 12 15 No Color Internal Name connector 1 Red CN2 1 SB 2 Pink CN3 1 IGN 3 Black CN2 3 GND 4 Brown CN3 3 DETO 5 Orange CN3 2 DATAI 6 Yellow CN2 8 FNC4 7 Green CN2 7 FNC3 8 Blue CN2 9 FNC5 9 Purple CN2 12 FNC8 10 Gray CN2 10 FNC6 11 White CN2 11 FNC7 12 NC NC 13 NC NC 14 Sky blue CN2 6 FNC2 15 Turquoise CN2 5 FNC1 Accessory Port Function REALIGNMENT 6 Ignition Sense Cable KCT 18 ...

Page 11: ...Scrambler Board Connection Modification 1 Remove the cabinet and shielding cover from the trans ceiver 2 Delete R202 and R267 on the TX RX unit A 9 8 7 D C B A A12 1 3 7 8 9 10 11 12 1 12 B A11 C A10 D A9 E 1 2 3 4 5 B5 6 B7 7 A8 8 A7 9 A3 10 B11 11 B9 12 B4 E18 Voice scrambler board 12 pins lead wire with connector A E37 1081 05 CN2 12 6 5 11 10 1 4 5 7 9 11 1 11 11 pins lead wire with connector ...

Page 12: ...r board is connected subsequent to the de emphasis circuit Cushion G13 1963 04 Cushion G13 1964 04 Voice scrambler board Front side to CN2 and CN3 to CN2 and CN3 CN3 Voice scrambler board CN2 TX RX UNIT Component side Avoid forming the wiring towards shielding cover closure area 1 2 Example for Connection Picture Trunking Board Fig 3 Insulation sheet Cushion D G13 1972 04 Cushion C Cushion B Trunk...

Page 13: ...the display unit PCB detach the PCB by lifting at the indents of the PCB as shown below Fig 3 Fig 5 5 When mounting the front panel match the 4 tabs of the chassis with the panel being sure they attach securely Tabs Tabs Tabs Indents Tabs Tabs 4 Mount the display unit To mount the display unit on the panel follow the correct procedures shown to ensure easy display unit assembly and good fitting on...

Page 14: ... IF SYSTEM PLL VCO 16 8MHz 50 4MHz ANT RX TX SP MIC 1 2 Fig 1 Frequency configuration IF Amplifier The first IF signal is amplified by Q351 and the enters IC301 FM processing IC The signal is heterodyned again with a second local oscillator signal within IC301 to create a 450kHz second IF signal The second IF signal is then fed through a 450kHz ceramic filter Wide CF301 Narrow CF302 to further eli...

Page 15: ...1 IC251 IC161 W NO EVOL2 AF PA IC252 SP IF IC IC301 Q301 NOISE AMP D301 IC301 IC101 AFO RSSI DET CPU IF SYSTEM SQIN RSSI Fig 3 Wide Narrow changeover circuit Fig 4 AF signal system Fig 5 Squelch circuit PLL Frequency Synthesizer The PLL circuit generates the first local oscillator signal for reception and the RF signal for transmission PLL The frequency step of the PLL circuit is 5 or 6 25kHz A 16...

Page 16: ...c com ponents and the resulting signal is goes the antenna termi nal APC Circuit The automatic transmission power control APC circuit detects part of a final amplifier output with a diode D606 D607 and applies a voltage to IC501 IC501 compares the APC control voltage PC generated by the D A converter IC161 and DC amplifier IC203 with the detection output voltage IC501 generates the voltage to cont...

Page 17: ...trix of the KMI1 to KMO2 ports of the microprocessor The KMO1 to KMO2 ports are always high while the KMI1 to KMI4 ports are al ways low The microprocessor monitors the status of the KMI1 to KMO2 ports If the state of one of the ports changes the microprocessor assumes that the key at the matrix point cor responding to that port has been pressed IC101 CPU KMI1 KMI2 KMI3 KMI4 KMO1 KMO2 1 2 3 P M 4 ...

Page 18: ...ge detect IC IC34 IC34 will generate signal RESET in to the reset terminal on the CPU IC101 to carry out a power ON reset Also CPU IC101 is checking on port 91 Battery Volt age If DC power is less than about 9 5V the radio is unable to power on When the DC power voltage deceases from normal volt age the INT voltage detector IC IC35 will set to high on CPU port 18 INT if B line will became less tha...

Page 19: ...rt 3 44 CEFLS I O CE for flash 45 46 FNC4 FNC5 I O Function port 4 5 47 48 FNC7 FNC6 I O Function port 7 6 49 FNC8 I O Function port 8 50 AFM O AF mute 51 SPM O Speaker mute Pin No Name I O Function 52 AMPSW O AF AMP switch 53 DT O Common data 54 CK O Common clock 55 56 NC I 57 59 DST1 DST3 I Destination 1 3 60 VCC 5V 61 NC I 62 VSS GND 63 NC I 64 NARROW O 65 WIDE O 66 68 NC I 69 CL O Clock for LC...

Page 20: ...ffer amplifier RX audio Q252 253 FET AF mute Active while AFM is H Ref No Parts name Description Q254 Digital transistor AF mute Active while SPM is H Q255 Transistor AF mute Active while AMPSW is H Q301 Transistor Noise amplifier SQL amplifier Q302 Transistor Buffer amplifier 16 8MHz 3rd over tone Q351 Transistor IF amplifier Q352 FET Mixer Q353 FET RF amplifier LNA Q354 Transistor RF BPF Q402 40...

Page 21: ...2B N67 2608 46 PAN HEAD SEMS SCREW W B 2B 3B N87 2606 46 BRAZIER HEAD TAPTITE SCREW C 1B 2B N87 2614 46 BRAZIER HEAD TAPTITE SCREW 45 3C N99 0395 05 SCREW SET ACCESSORY 47 3A T07 0739 05 SPEAKER 48 2C T91 0624 05 MICROPHONE ACCESSORY K K2 D1 4 B30 2238 05 LED Y D5 10 B30 2239 05 LED SY D11 B30 2237 05 LED YG D12 B30 2240 05 LED SR C4 CK73GB1H103K CHIP C 0 010UF K C8 17 CK73GB1H103K CHIP C 0 010UF ...

Page 22: ...C92 0516 05 CHIP TAN 4 7UF 16WV C280 C92 0040 05 CHIP ELE 47UF 16WV C281 CK73GB1H102K CHIP C 1000PF K C282 C92 0722 05 CHIP ELE 470UF 16WV C283 CK73GB1H102K CHIP C 1000PF K C301 C92 0507 05 CHIP TAN 4 7UF 6 3WV C302 CK73GB1H102K CHIP C 1000PF K C303 CK73GB1H472K CHIP C 4700PF K C304 305 CC73GCH1H331J CHIP C 330PF J K M C304 305 CC73GCH1H391J CHIP C 390PF J K2 M2 C306 CK73GB1H102K CHIP C 1000PF K C...

Page 23: ...K73GB1H102K CHIP C 1000PF K C515 CC73GCH1H270J CHIP C 27PF J C516 CK73GB1H821K CHIP C 820PF K C517 CC73GCH1H030B CHIP C 3 0PF B C518 CC73GCH1H330J CHIP C 33PF J C519 CC73GCH1H820J CHIP C 82PF J C522 CK73FB1H102K CHIP C 1000PF K C525 CK73GB1H102K CHIP C 1000PF K C526 CK73GB1H681K CHIP C 680PF K C527 CK73GB1H102K CHIP C 1000PF K C528 CK73GB1H221K CHIP C 220PF K C529 CK73FB1H102K CHIP C 1000PF K C530...

Page 24: ...90K J 1 16W R41 RK73GB1J334J CHIP R 330K J 1 16W R61 RK73GB1J471J CHIP R 470 J 1 16W R62 RK73GB1J102J CHIP R 1 0K J 1 16W R66 67 RK73GB1J473J CHIP R 47K J 1 16W R68 69 RK73GB1J102J CHIP R 1 0K J 1 16W R70 RK73GB1J473J CHIP R 47K J 1 16W R71 RK73GB1J472J CHIP R 4 7K J 1 16W R72 RK73GB1J105J CHIP R 1 0M J 1 16W R73 RK73GB1J104J CHIP R 100K J 1 16W R74 RK73GB1J473J CHIP R 47K J 1 16W R75 RK73GB1J102J...

Page 25: ...HIP R 100 J 1 16W R353 RK73GB1J104J CHIP R 100K J 1 16W R354 RK73GB1J331J CHIP R 330 J 1 16W R355 RK73GB1J471J CHIP R 470 J 1 16W K M R355 356 RK73GB1J102J CHIP R 1 0K J 1 16W K2 M2 R356 RK73GB1J102J CHIP R 1 0K J 1 16W K M R358 RK73GB1J470J CHIP R 47 J 1 16W R359 RK73GB1J224J CHIP R 220K J 1 16W R360 RK73GB1J474J CHIP R 470K J 1 16W R361 RK73GB1J470J CHIP R 47 J 1 16W K M R361 RK73GB1J560J CHIP R...

Page 26: ...R VARISTOR D61 02DZ18 X Y ZENER DIODE D201 DAN222 DIODE D202 1SS372 DIODE D251 MA742 DIODE D301 MA742 DIODE D302 303 DAN222 DIODE D351 354 HVC350B VARIABLE CAPACITANCE DIODE D401 MA2S111 DIODE D402 HZU5ALL DIODE D403 406 MA2S304 VARIABLE CAPACITANCE DIODE D407 MA360 VARIABLE CAPACITANCE DIODE D408 MA2S111 DIODE D409 DAN235E DIODE D501 1SS355 DIODE D502 DA221 DIODE D503 02DZ5 1 Y ZENER DIODE D602 M...

Page 27: ... 26 24 15 Q504 IC252 A 700 Caution label 701 S No label A A C C C C C C Cx2 Bx12 B B 12 30 27 25 10 TX RX unit Display unit A M2 6 x 8 N67 2608 46 B M2 6 x 6 Br Tap N87 2606 46 C M2 6 x 14 Br Tap N87 2614 46 Parts with the exploded numbers larger than 700 are not supplied ...

Page 28: ...al English B62 1596 10 9 Instruction manual Spanish B62 1597 10 702 Pamphlet 703 Pamphlet 48 Microphone T91 0624 05 K K2 38 Item carton cse H52 1829 22 45 Screw set N99 0395 05 41 Bracket J29 0662 03 40 Holder J19 1584 05 K K2 36 Carton board H13 1190 02 14 DC cord E30 3339 05 22 Fuse 6x30 F51 0017 05 x 2 Parts with the exploded numbers larger than 700 are not supplied ...

Page 29: ...r 20A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 1mV to 3V 9 Audio Generator AG Frequency Range 20Hz to 20kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 4Ω Dummy Load Approx 4Ω 10W or more 12 Regulated Power Supply 13 6V approx 20A adjustable from 9 to 17V Useful if ammeter requipped 13 Spectrum Analyzer Center fre...

Page 30: ...shield cover as below Fuse To mount the fuse the cable terminal direction must be as follow Locator Speaker cable This side up This side up Cable terminal Cable terminal Fuse Pin 1 marker IC252 Part name label face down TX RX UNIT Component side Power MIC jack 1 2 3 4 keys Volume up down key key Speaker Display CV R518 F501 Q503 Q504 IC252 R516 R524 CNVSS RESET POWER 5M E B RF RXD TXD DC PC 8T IGN...

Page 31: ...de 2 Tra generator output 30dBm Connect the spectrum analyzer to BPF terminal Adjustment of TX VCO lock voltage 1 Remove R516 F501 R518 and R524 all on component side 2 Remove PCB from chassis 3 Transmit and check voltage at CV point Warning Do not transmit if step 1 is not complete 4 Adjust of voltage can be done by tuning TC402 Item Condition Test equipment Terminal Parts Method Specifications R...

Page 32: ...CH RX center Wide Narrow CH RX high Wide 2 SSG output 120dBm 0 22µV Wide 119dBm 0 25µV Narrow Mod 1kHz Dev 3 0kHz Wide Dev 1 5kHz Narrow Item Condition Test equipment Terminal Parts Method Specifications Remarks Measurement Adjustment Transmitter Section 1 Frequency 1 CH TX center Frequency counter ANT PC key Adjust to center frequency Within 100Hz 2 Transmit 2 Maximum 1 CH TX high Power meter VR1...

Page 33: ...he wire to RF location Transmit and check for power to be within the range of 0 3W 0 6W If power found is less than 0 3W check the circuit before the Drive FET ADJUSTMENT 5 DQT 1 CH TX low Wide Modulation analyzer ANT PC key Adjust the waveform as below balance CH TC center Wide Narrow or Linear detector CH TX high Wide LPF 3kHz 2 Transmit Oscilloscope 6 MAX 1 CH TX low Wide Modulation analyzer AN...

Page 34: ...ler Code1 1 O FNC6 Scrambler Code2 2 O FNC7 Scrambler Code3 4 O FNC8 Scrambler Code4 8 O Port Function is Low Active Exclude Scrambler Code CN3 No Name I O Function 1 IGN I Ignition sens input 2 DATAI I External transmit signal input 3 DETO O FM detector output 4 TXAFI I TX audio input from scrambler board 5 TXAFO O TX audio output to scrambler board 6 EMGMIC I Emergency MIC input 1kHz 1 2mVrms 7 ...

Page 35: ...R12 R13 R14 R15 R16 R17 R18 R19 R20 Q4 Q9 R1 R2 R3 R4 R5 R6 R7 R8 R9 CP3 CP4 C10 C11 C12 C13 C14 C15 C16 C17 C18 J72 0916 09 J1 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 POWER UP DOWN 1 2 3 4 MONI PROG J72 0916 09 J1 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 POWER UP DOWN 1 2 3 4 MONI PROG PC BOARD TK 7102H 36 35 DISPLAY UNIT X54 3460 20 Component side view J72 0916 09 DISPLAY UNIT X54 3460 20 Foil side...

Page 36: ... KMO2 KMO1 KMI1 KMI2 GND MIC GND 17 2 18 C E I R229 R420 R230 R231 C203 C206 R249 C210 C211 C213 C408 C214 C215 C602 C603 C410 X401 C412 C413 C417 C226 C227 C228 C229 R269 C423 C230 C82 Q35 F501 R276 R278 R279 R280 C98 C250 D1 D4 D5 D6 D7 D201 C267 C268 D401 Q503 C273 Q504 G D C275 C277 C278 IC252 1 10 D602 L302 L303 L304 IC201 C281 IC202 L503 L504 L505 L506 L507 IC401 Q351 R107 D10 R108 R303 R305...

Page 37: ...104 C301 C302 C306 C307 C308 C309 C501 C502 C503 C504 D61 C505 C506 C507 C509 R356 R358 C510 C511 R359 C512 C513 C515 R360 XF351 R361 R362 C326 R363 R364 R365 R366 R367 R368 R369 C526 R370 R371 R31 R372 R32 R33 R373 R34 R374 R375 R376 R4 R378 R38 R39 R40 R41 C357 C358 C359 C360 D301 C361 C556 C362 C557 C363 C558 C364 R61 R62 C366 C367 Q404 C368 Q405 G S D G S D C369 TC351 Q406 G S D R66 TC352 Q407...

Page 38: ...R519 R520 R521 C103 R528 R530 R531 C303 C304 C305 R151 R152 C310 C311 C312 R350 R351 C315 C316 C317 R354 C318 R161 R162 R163 R164 R165 R166 C517 C323 C518 C519 Q1 C522 C527 C528 C529 R1 R35 R2 R37 C530 R379 R5 C533 C536 C152 C545 C351 C546 C162 C163 C164 Q201 C550 C554 C555 D303 Q402 Q403 L201 R72 R74 R76 L403 R78 L404 C574 C576 R81 R82 C389 IC501 CN1 CN3 1 11 CN4 1 GND NC TXDATA NC RXDATA VCC SIG...

Page 39: ... C97 1000p TH98 100k TH97 100k C98 1000p C29 470p C30 1000p C33 1000p B BSB R70 47k R69 1k R66 47k R68 1k R67 47k C66 1000p 5M R251 47k C251 4 7u6 3 1 2 3 4 V 5 6 7 8 9 10 11 GND 12 13 14 R252 470k C252 39p R253 0 C253 1u R254 680 C272 1000p R273 4 7k D251 MA742 R272 1 5k R274 15k C271 3300p C270 4 7u6 3 R275 15k R271 560 3 7 3 9 7 8 R249 47k R250 47k C250 0 1u 5C C267 0 47u IC301 TK14489V 1 2 3 4...

Page 40: ...RGE PUMP CHARGE PUMP 16 8MHz BPF Q36 KRC102S Q254 DTC363EU IC161 M62363FP 3 8 IC161 M62363FP 4 8 8T Q406 2SK508NV K52 IC35 PST9140NR IC161 M62363FP 8 8 5C RESET X86 IC161 M62363FP 1 8 IC34 PST9140NR DTMF BEEP 8TC SB SQIN Q32 KRC102S 8C PTT SBC KMI3 Q251 2SC4617 S PTT TXD 8C MICBL MIC IDC FINAL AMP Q404 2SC4649 N P 16 8MHz 8C SPM MICEM SIGNAL PTT TXD Q34 KRC102S CM 8T DRIVE AMP SB B IF DEMODULATOR ...

Page 41: ... measurements in the RF section connect the RF level meter In the RF section use a 0 01µF coupling capacitor The display shows the SSG input value required to obtain 12dB SINAD TX RX Unit Q410 18dBm 12 1 1 G1 4Ω 11 2 Q411 10 FINAL Amp 2 Q503 IC251 2 S 7 Q352 10 D409 IC252 TX RX Unit S IC251 Display Unit IC402 D Audio Frequency 5 IC161 Q501 1 D TX RX Unit VCO IC251 MIC To make measurements in the A...

Page 42: ...43 H x 5 40 137 D inch mm 2 60 lbs 1 18kg Channel Frequency Spread 28MHz RECEIVER Measurements made per EIA standard EIA TIA 603 Sensitivity 12dB SINAD Wide 0 28µV Narrow 0 35µV Selectivity Wide 75dB Narrow 65dB Intermodulation Wide 70dB Narrow 60dB Spurious Response 75dB Audio Power Output 4 0W Frequency Stability 2 5ppm TRANSMITTER Measurements made per EIA standard EIA TIA 603 RF Power Output H...

Page 43: ...is France KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD18 9EB United Kingdom KENWOOD ELECTRONICS EUROPE B V Amsterdamseweg 37 1422 AC Uithoorn The Netherlands KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano Italy KENWOOD IBERICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Centrecourt E...

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