background image

1

1

2

2

3

3

4

4

D

D

C

C

B

B

A

A

P94/DA1

1

P93/DA0

2

P92/TB2in

3

P91/TB1

4

P90/TB0in

5

BYTE

6

CNVSS

7

P87/Xcin

8

P86/Xout

9

RESET

10

XOUT

11

VSS

12

XIN

13

VCC

14

P85/NMI

15

P84/NT2

16

P83/INT1

17

P82/INT0

18

P81/TA4in

19

P80/TA4out

20

P77/TA3in

21

P76/TA3out

22

P75/TA2in

23

P74/TA2out

24

P73/CTS2

25

CL

K

2

26

RXD

2

27

TXD

2

28

P67/TXD1

29

P66/RXD1

30

P6

5

/C

LK1

31

P6

4/

C

T

S

1

32

P63/TXD0

33

P62/RXD0

34

P6

1

/C

LK0

35

P6

0/

C

T

S

0

36

P5

7

/R

D

Y

37

P56/ALE

38

P55/HOLD

39

P54/HLDA

40

P5

2/

R

D

42

P5

1/

W

R

H

43

P5

0/

W

R

L

44

P47/CS3

45

P46/CS2

46

P45/CS1

47

P44/CS0

48

P42/A18

50

P43/A19

49

P53/BCL

K

41

A17

51

P40/A16

52

P37/A15

53

P36/A24

54

P13/D11

75

P14/D12

74

P15/INT3

73

P16/INT4

72

P17/INT5

71

P20/A0

70

P21/A1

69

P22/A2

68

P23/A3

67

P24/A4

66

P25/A5

65

P26/A6

64

P27/A7

63

VSS

62

P30/A8

61

ACC

60

P31/A9

59

P32/A10

58

P33/A11

57

P34/A12

56

P35/A13

55

D10

76

P11/D9

77

ANX0

100

P96/ANX1

99

P97/ADtrg

98

AVC

C

97

VREF

96

P100/AN0

95

AVSS

94

P101/AN1

93

P102/AN2

92

P103/T

N

3

91

P104/T

N

4

90

P105/T

N

5

89

P106/AN6

88

P107/AN7

87

P00/D0

86

P01/D1

85

P02/D2

84

P03/D3

83

P04/D4

82

P05/D5

81

P06/D6

80

P07/D7

79

P08/D8

78

U14

M30620

Rset

1

Cp

2

Cgnd

3

Vgnd

4

Rfinb

5

Rfina

6

Avdd

7

Refin

8

Dgnd

9

Ce

10

Clk

11

Data

12

Le

13

Muxout

14

Dvdd

15

Vp

16

IC9

ADF4111

CF4

450F

CF3

450H

D58

DAN222

D59

DAN222

R295

4.7K

C410

104

R296
4.7K

R323

4.7K

R501
1.2K

R415

22K

C406

104

C368

471

C369

471

R279

560K

R414

10K

C322

102

C405 104

R46233K

OSC

I

1

OSCO

2

MIXO

3

VCC

4

IFIN

5

DEC

6

FI

LO

7

FILI

8

AFO

9

QUAD

10

IF

O

11

RS

SI

12

NDE

T

13

NRE

C

14

GND

15

MI

XI

16

U9

TA31136FN

R499 3.3K

C321

102

R500

3K

C510

82P

C318

3.9K

L108

450K

C403

103

C582

4.7uF/10V

R447

NC

C585

182

C319

102

C438

223

R330

330K

R167
56R

C439

223

D57

MA742

Q77

2SC2412K

C320

102

R498

3.3K

R461

39K

R363

47K

TH4

100K(TH)

C581

334

C324

330R

Q78

2SC5108

C477

39P

R503

470R

C407
470P

R405
100R

R384
200K

R505

330R

C495
CN

C587

18P

C535
3P

R504

103

L109

0.82uH

L110

0.33uH

R435

10R

C325

470P

C408
104

C588
8P

C326

470P

C409
104

R506
120R

R4

86

10

0K

R5
07

82K

R4

88

82

K

R

508

100K

R510

0R

C435

470P

C526

9P

C590

NC

D60

HVC376B

D62

HVC376B

C536

1.5P

C527

9P

L116
68N

R

406

0R

C331

102

C328

102

R3

86

10

0

K

R385
100K

L117

22R

R511

120R

C332

102

R

453

100K

R

364

470K

R

365

C

o

mme

nt

: 100K

R516

68K

C

411

470P

C333

470P

R515

0R

C529

9P

D64

HVC376B

L118
3T

C543

1.5P

C530
8P

L

119

3

 T

R389
100K

R391

100K

C

327

102

C329
102

C334

102

C517

NC

L113

3T

Q79
3SK318

Q81

3SK318

C491

Comment: NC

C542
NC

D66

HVC376B

R448

NC

C370

102

L124

0R

C323

103

XF2 51.65MHZ

R2892.7k

D61

HVC355B

R

387

100K

C541

3P

C591

1.5P

D63

HVC376B

C539

0.75P

C528

9P

C474

3.5P

C330
102

L

114

3T

R

388

100K

D65

HVC355B

R390

100K

C531

6P

C492
3P

L122

3T

D68

HVC131

D69

HVC131

C461

1P

C316

102

D50

HSC277

C470

12P

R

436

33

0

C506

12p

R358
10k

C356

471

Q60

2SC5108

R443
5.6K

R

446

NC

Q66

2SC3356

R437

22R

C358

471

R438

3.3K

C359
471

C399

NC

R454

1.5K

C314
102

R450
82K

C313

102

R451
68K

C315

102

R359
47k

C509
15P

L88
11A221S

Q67

RD01MUS1

R460

33k

R456

47R

R342
3.9NH

L86

15NH

L87
6.8NH

L100

3T

L97
1UH

L9

6

B

L

M

21P

300S

C361

471

C398

104

Q68

RQA0002

L99

8T

C512

27P

C521

9P

C400

104

C524

9p

C523

7p

C525

CN

C362

471

C452
100p

C532

2p

C513

NC

R458
NC

R473
270

R472
270

L9

8

B

L

M

21P

300S

L101

220NH

D51

MA77

C458

4p

C533

3p

C366

471

C534

2p

C490

4p

C459

5p

C545
2p

C546

1p

C514

NC

C364
471

L102

3T

L103

4T

L104

3T

D49

HSC277

R

412

47k

C357

471

L105

NC

ANT2

R

441

22

R3

43

0R

R339
3.3k

R470

150k 1%

R471

150k 1%

R413
10k

R466

150k 1%

R467

150k 1%

R468150k 1%

R469

150k 1%

R512

0.39

R514
0.39

R513

0.39

C451

100p

C373
471

AOUT

1

A-IN

2

A+IN

3

GND

4

V+

8

BOUT

7

B-IN

6

B+IN

5

IC10

NJM2904

R522

1M

R366

47k

R528

180k

C374

471

Q72

DTC114EE

Q82

2SK1824

R392

NC

Q69

DTA144EE

C363

471

Q71

DTC114EE

C544

4.7u/10v

ZD12

HZU5ALL

C365

471

R455

NC

C494

18P

R113

22R

C360

471

R440
8.2K

L69

15NH

C397

471

R457

NC

L73

270nH

D39
ISV325

D42
ISV325

C485

68P

L7

5

270nH

C486
10P

TC4
10P

L77

27nH

L78 220N

C488

4P

C489

4P

Q61

2SK508NV

C456

5P

L8

1

3.

3u

H

R378
150R

C497

0.5P

R383
82K

C351
471

Q56

2SC5108

R402
100R

L83
15nH

L72

270nH

D41

ISV325

D4

0

IS

V

3

2

5

L74
270nH

C481
22P

C466

10P

TC3

10P

L76

22nH

C487
0.75p

D4

7

IS

V

2

78

L79

220N

C350

47P

C455

4P

C493

4P

Q62

2SK508NV

C457

4P

L80

3.3uH

R379

150R

C498

0.5P

R381

100R

Q63

2SJ243

R

408

10K

R

432

6.

8K

C500
22P

Q57

2SC5108

L84

15nH

C354
471

R

434

220R

R

337

2.

2

K

R404
0R

C468

10P

R403
100R

C504
 NC

R338

1.2k

L85

0R

C505
 NC

C467
10P

Q65

2SC4617(S) 

R317
4.7K

C352
471

D48

MA2S111

C499

10uF/6.3V

L82
BLM11A601S

C353

471

R357
47K

C367
471

L

106

B

L

M

11A

601S

C312
102

D44

NC

D43 NC

D46

NC

D45

NC

C469

10P

R107 10

C310
102

C396
104

C349

47P

R380

100R

Q64

2SJ243

C311

102

C309

102

C395

104

D38

MA2S111

R315 4.7K

R284

1K

C450

100P

L70

BLM11A601S1U

R334

560R

R341

0R

R310
2.7K

R336

560R

R335

560R

C484
0.1U/35V

C464

0.1U /35V

C447

1U/10V

R311

2.7K

C448

1U/16V

C431

101

C432

101

C433

101

R106 10

C434

1000p

R244

150K

L68

18NH

C454

5P

C465

10P

C347

471

R245

150K

R285

1K

C453

5P

C463

3P

L64

18NH

R109

10

C394

104

C346

471

C446

1U/10V

C344

471

C345

471

L62
10UH

R103

10

C306

102

out

3

gnd

2

vcc

4

vc

1

X4
12.8M

C472

10P

C471

10P

C393

104

C343

471

R283

47K

R496

91K

C574
4.7U 10V

R452

39K

R493
120K

R294

22K

R307

15K

C570

183

C569
153

t

TH3

3K

L63

560NH

R288

10R

R329 200K

C515

NC

C475

33P

C575

47P

C308

102

C307

102

C482

NC

C516

33P

L66

220N

L6

5

470N

H

C580

330P

R112

1k

C383

102

AGNDIN

1

AGND

2

TXIN

3

TXINO

4

LIMLV

5

EXIT

6

MOD

7

VSS

8

TCLK

9

TDATA

10

DI/O

11

RDF/FD

12

SCLK

13

DIR

14

XOUT

15

XIN

16

VDD

17

EXFOUT

18

RXAFIN

19

RXAF

20

RXLPFO

21

RXINO

22

RXIN

23

TEST

24

IC12

AK2346

1

2

3

4

5

6

7

8


-

+

-

IC

13

T

C

75W51F

U

C576 47p

R509

180K

C555

1u

R541

18k

R542

18k

C623
4.7u/10v

C518

27P

R568 82k

R465 33k

C556
1u

C622

474

R425

10k

R395

27k

R424

0R

C479
33p

C620

150p R565

56k

R566
56k

C618

273

C415

104

C621

1u/10v

C502

22p

C503

22p

X6

3.

68

64

M

H

z

R524 1M

R394

100k

C608

1U/10V

C607

1U/10V

C600

0.033uF 

R423

0R

C478
27p

R332

220k

R564

24k

R54551K

 C21

0.018uF 

R340
10K

R540

18k

R299

22k

R517
NC

R393

100k

R534
390k

R309
15k

R300

22k

C586
470P

C552

0.018uF 

C553

1u

 C22

153

C572
183

Q51

2SK1824

R433

6.8K

R518

27k

C416

105

R422

68k

R464

33k

R345

0R

R375

47K

R567
68K

C557

1u

R449 NC

R306

15k

R293

22k

C442
333

C603
561

C437

223

C412
104

R352 0R

R442

22R

R376
47k

C418

104

C561

1u

C339

102

1

2

3

4

5

6

7

8

+

-

+

-

IC14

TC75W51FU

C605

105

C606

224

C441

223

D72

MA742

C436101

R401

100k

R530

180k

R527 1M

C559

1U

C579 47P

R521

27k

Q93

2SC4116

R444

1.5k

Q96
2SA1774

R526

820K

C578

CN

C440

0.033uF 

R519

100k

C391

682

C392
682

D73
MA742

D74
MA742

C641 470

C646 470

C640 470

C639

470

R313

2.7K

R314

2.7K

C648 470

C647 470

C650

1.5uF/10V

C629

1.5uF/10V

C560

NC

OUT+

8

GND

7

VCC

6

OUT-

5

IN-

4

IN+

3

SVR

2

MO

1

Q92

TDA8541

R347 0R

R3480R

C338

102

C627

10U/10V

C630

100uF/10V

C508

10uF/16V

C628
10uF/10V

A0

1

A1

2

A2

3

GND

4

SDA

5

SCL

6

TEST

7

VCC

8

IC11 AT24c64

PC/TV

DTMF

EPDT

EPCK

BYTE

VDET

RDT

TCLK

SCLK

D/O

TDATA

DIR
QTVCO

EN5

EN4

EN3

EN2

EN1

RX W/N

PLL CLK

PLL DATA

PLL STD

PLL UL

TX SW

RX SW

TX W/N

DC SW

APC SW

RXD

TXD

QT TCXO

1/2OSC

5T C

5R C

5C C

BATT

RSSI

BUSY

VOX

QT/DQT

 I

N

DTMF IN

MI

C MUT

E

R372 47k

1
2
3

4

5

NC
VEE1
VEE2OUT

VCC

U10

PST9140NR

1
2
3

4

5

NC
VEE1
VEE2OUT

VCC

U11

PST9140NR

C419

104

C384

471

R331
330K

R490
470K

R536
390K

R333
330K

C385
471

C420

104

R350

0R

K6
TK1

C381

471

C380

471

C379

471

C382

471

C402
104

C376

471

C337

102

C336

102

C566

472

C375

471

C377

471

C567
472

C593
103

5TC

SAVE

Q83

DTA123JE

5RC

5M

5T

C564

4.7u/10V

C592
4.7uF/10V

C597

1u/10V

Vin

Vss

CE

NC

OUT

U12

XC6204B502MR

Vin

Vss

CE

NC

OUT

U13

XC6204B502MR

D70

MA2S111

5R

5C

C565

472

C562

1u/10V

1

2

6

5

3
4

K5 ENCODE

K4

Q74

DTC114EE

Q73

DTC114EE

R483

330R

R459

330R

D53

HSMH-C190

D55

CL-190YG-CD

D54

HSMH-C190

R482

330R

R481

330R

G led

R led

D56

CL-190YG-CD

X5

9.8304MHZ

R290 1K

C522

20p

C501

22p

R3440R

C462
5P

BSHIFT

Q70

DTA144EE

R

502

3K

CP14
1K*2

1
2
3
4

5

6

7

8

IC15

TC75W51FU

1
2
3
4

5

6

7

8

IC16

TC75W51FU

C340

102

C519

NC

R429

10k

R327

4.7k

C631

0.01u

C632

562

C421

104

R428

10k

R280

150k

C594
103

C624

4.7u/6.3v

R427

10k

R525
1M

R281
150k

R292

1k

R426

10k

C341

102

R397

100k

R398

100k

R301

22k

R544
18k

R543
18k

C625

4.7u/10v

R537 390k

C633

220p

R569 82k

R399

100k

C634
0.039uF 

D71

MA742

C635

123

R531
180k

R532

180k

R304

22k

C636
683

C601

222

C424

104

R302

22k

Q9

1

2S

C

4617(S

)

C427

104

C444

333

C445
333

C638

822

C596

103

C595

103

R574

270k

R305

22k

R492

470k

R491

470k

R575
270k

R576

12k

R480

5.6k

R497

91k

R479
5.6k

R495 120k

R445

1.5k

Q50

2SK1824

AOUT

1

A-IN

2

A+IN

3

GND

4

V+

8

BOUT

7

B-IN

6

B+IN

5

U8

TC75W51FU

C637

682

C401
105

R474

1k

MUTE

C428
104

Q84

DTA123JE

HPF PC

Q87

ST2302

Q86

ST2302

1

1

2

2

SP2

LSI

C548

1000P

C547

1u

R570

10k

C619

0.033uF

R355

0R

R240
100

R356

0R

C429

0.033uF

C390
471

R571

1.8K

R572

470R

C626

4.7u/10v

MIC2

Q52

2SK1824

VOX

R351

0R

L9

1

11A

221S

L9

3

11A

221S

C550

1u

C551

1u

L89

11A221S

C549
1u

R400

100k

5M

5R

5C

5R

5C

R382
22R

R430

10k

R303

3.9k

C554 102

 C18

392

C573

18k

R535
82k

R346

NC

R533

6.8k

C520

0.033uF 

R409

4.7K

R411
10K

5R

R485
470K

R484

470K

 C16

392

 C15

392

C568 472

R538

390k

R539

390k

R578 0

R354

NC

Q75

DTC114EE

C417
104

R367

47k

R368

47k

R369

47k

R370

47k

vss

1

spk

2

vdd1

3

pwm

4

vss

5

sclk

6

nc

7

sdata

8

nc

9

vdd

10

osc

11

busy1

12

nc

13

nc

14

nc

15

rst

16

JP4

AUDIO

R102

10

R10110

R114

330R

R282

1k

R241

150k

C430

1U/10V

 C20
104

 C14
392

 C13

392

 C12 105

Q47
2SK1824

R287
NC

 C19

104

C604

224

R374

39K

PT7200-02

电路原理图

(400-----470)

C460

5p

L111

47nH

C371

471

C496

6p

L112

27nH

C473

10p

2

2

1

1

FS2

F

L61

BLM21P300S

C305

102

C342

471

D52

1SR154-400

B+

R312

2.7K

C449

1U /16V

Q59

2Sk1824

R316

4.7K

PL
L

 T/R

C335

4P

R463

33k

Q80

NC

R419

10K

R489

470K

D67

NC

Q54
2SK1824

R431

10K

EXIT MIC

EXIT SP+

EXIT SP-

Q53
2SK1824

R349
0R

R371
47k

R546

24k

R328

4.7K

R

353

0R

1

2

3

JP3

BATTERY

RFP VCC

RFP VCC

R3224.7K

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

RP2

14PIN

R325

4.7K

R318

4.7K

R320
4.7K

R319

4.7K

ZD

2

2

ED

Z6

.8

B

ZD

1

9

ED

Z6

.8

B

ZD

1

7

ED

Z6

.8

B

ZD

1

3

ED

Z6

.8

B

ZD

1

4

ED

Z6

.8

B

ZD

1

8

ED

Z6

.8

B

R407

100R

ZD

1

6

ED

Z

6

.8

B

R308

15k

C599

0.033uF 

R373

910K

ZD

1

5

ED

Z6

.8

B

ZD

2

0

ED

Z6

.8

B

ZD

2

1

ED

Z6

.8

B

C5

84

100uF

/10V

W/
N R1

W/
N R2

AF
C

O

RX

 M
U

T

E

A MUTE

A BUSY

A SCLK

OPT S1

OPT S2

1
2
3
4
5
6
7
8

J6

CON8

1

2

J5

CON2

R3214.7K

SP

 S

W

MIC SW

C386

471

HPF

 P

C

HSDI

CNVSS

RESET

A DATA

MANDN

TK1
PTT
SK2
SK1

PINT

PIO1

PIO2

PIO3

R377
47k

R361
47k

R439
8.2K

C372

471

L115

3T

Q58
2SC5108

Q88

DTC144EE

L7

1

BLM11A601S1U

R418
22K

R417

22K

R

416

22K

CP10

1K*4

5M

5M

5M

5M

CP12

1K*4

L107

BLM11A601S

R362
47K

Q55

2SC5108

C355
471

C348

471

C404104

1

2

3

4

J4

CON4

R360
10K

L90

11A221S

R324

4.7K

R326

4.7K

C598

1u/10V

C378

471

L92
11A221S

C558
1u

L9

5

11A

221S

L94

11A221S

C507

10uF/16V

R573
0

C422
104

C387
471

C388
471

C426
104

C389
471

RX VCO

R420

2.2k

R297

2.7k

 C17

392

C571

183

R298

2.7k

Q90

2SC4617(S)

C414
102

C443

333

R478
5.6k

R494
200k

R291

1K

Q89

2SC4617(S)

C413

104

C511
13P

R477

5.6k

R476
560R

R421

0R

C602

561

Q48

2SK1824

C476

33P

L67

NC

C483

NC

C480

33P

Q49

2SK1824

C317

0R

L120

56NH

S V

S V

R396

100K

5R

名称:

机型:

文件号:

版本:

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日期:

审核

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日期:

批准

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    2     

PT7200-02

电路原理图

PT7200-02

Q95

DTC114EE

ZD

2

3

ED

Z6

.8

B

L105+

1u

H

C3H
105

C4F

105

D411

0R

C

P

11a

1K

C

P

11b

1K

C

P

11c

1K

CP

11

d

1

K

CP16a

1K

CP16b

1K

CP15a

1K

CP15b

1K

CP13a 1K

CP13b

1K

CP13c

1K

CP13d

1K

C

P

18a

1K

C

P

18b

1K

CP

17

b

1k

C

P

17a

1k

R2

33K

R1

33K

C225

223

C

224

22

3

C223
NC

C701

471

1

2

3

4

5

6

7

8

U17
SCA60C

CL

K

C1

MODE

GN

D

PGM

ST

VOUT

VDD

Q85
ST2301

R733
MOSFET N2

Q76
ST2301

Figure  6    PT7200 Schematic Circuit Pane Diagram(400-470MHz)

Summary of Contents for PT7200-01

Page 1: ...PROFESSIONAL TWO WAY RADIO PT7200 V071215 FM PORTABLE RADIO SERVICE MANUAL ...

Page 2: ...s the copyright of the radio outward structure circuit design Kirisun Electronic Shenzhen Co Ltd owns the copyright of this service manual Unauthorized publication is prohibited Kirisun Electronic Shenzhen Co Ltd owns the trademarks KIRISUN Contents Chapter 1 Introduction 1 Chapter 2 Radio Overview and Function Keys 1 Chapter 3 Electric circuit 2 Chapter 4 Function Description and Parameter Settin...

Page 3: ...n The following is one sample form that might be used to apply for any components from Kirisun Component Application 1 3 Service All the Kirisun products are subject to the service warranty The main unit of the radio is guaranteed for free service of 18 months Accessories such as battery pack power adapter antenna or charger are guaranteed for free service of 6 months Earphones are wearing parts a...

Page 4: ...er the 2 IF signal is amplified and its amplitude is limited inside U9 and then filtered at porcelain filter wideband CF4 Nattowband 3 450kHz and then sent to U9 to demodulate the output audio signals which are finally th output from the 9 pin of U9 Receiver Audio Signal Processing IC13 IC12 IC16 IC15 and their peripheral circuit compose the receiver audio signal processing circuit After being sen...

Page 5: ...ed by MCU according to the preset channel frequency The oscillation frequency from VCO is sent to IC1 and demultiplied by programmable frequency demultiplier and compared with reference frequency to acquire the error signals Then pass the low pass filter and are sent to VCO to change VCO oscillation frequency to the preset value and then VCO is locked N F F VCO R N Frequency demultiplication times...

Page 6: ...sitivity adjusting voltage output power control V DTMF Tone output beep output Tone decoding input EEPROM data input output EEPROM clock Gnd Gnd 8 BSHIFT 9 SV 10 RESET 11 XOUT 12 VSS 13 XIN 14 VCC 15 NC 16 VDET 17 RDT 18 TCLK 19 SCLK 20 QT DQT 21 TDATA 22 StCtrl 23 DI O 24 QTVCO 25 DIR 26 APC 27 NC 28 QTTCXO 29 TXD 30 RXD 31 NC 32 APC SW 33 TXD0 34 RXD0 35 DC SW 36 TX W N 37 RX SW 38 TX SW 39 NC 4...

Page 7: ...input DTMF input Gnd NC 5V 5V NC External and internal MIC switch High pass filter switch Function description Phase locked loop chip APC voltage comparison drive Receiver s 2nd local oscillation 2nd IF amplifier amplitude limit demodulation noise amplification Audio processing MIC amplification Receiver audio power amplifier E2PROM memory channel frequency data function setting parameter debuggin...

Page 8: ...ing PTT key the radio will transmit signals on the channel where the last transmitting was made 3 Last used channel current channel when response channel is enabled If pressing PTT or the CALL key or enabling VOX transmitting during the scanning the radio will transmit signals on the channel where the last transmitting was made If pressing PTT or the CALL key or enabling VOX transmitting when the ...

Page 9: ...for squelch on switch the green light will be on and the radio is in the monitoring status 4 1 8 5TONE signaling 5Tone has 9 encoding formats CCIR1 CCIR2 ZVEI1 ZVEI2 ZVEI3 EEA EIA USER DEFINED1 and USER DEFINED2 The last two formats are customized modes 1 5tone decoding The decoding template is the 5tone decoding template If the decoding template is the same to that of encoding the decoding will b...

Page 10: ...ritten in with the editing data open the data backup and rewrite the backup into the radio 5 Model information is important radio data and is prohibited to modify 4 3 Computer Test Mode As shown in figure 4 1 connect the radio to the radio communication port with the specified testing cable Warning Before enter the computer test mode connect a HF load of 50 to the radio antenna connector or connec...

Page 11: ... the aluminum alloy frame out of the casing See Figure 5 5 5 4 Remove the Chassis from the Main Board 1 Remove the screw 2 Melt the solder at the antenna point with a electric soldering iron and take off the main board 3 Take away the two screws and the antenna connector See Figure 5 6 After the aforesaid operations you can carry out corresponding service or debugging according to the actual situa...

Page 12: ...level 1 500mV Attenuation 40dB or 50dB Supporting power Higher than 10W Frequency range 10MHz 1000MHz Output level 0 1uV 32mV 127dBm 17dBm Frequency range DC 20MHz Test range 10mV 20V Test range 10mV 10V PT7200 SERVICE MANUAL 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 10 KEY PTT SCREW 2 4 RUBBER KEY PTT METAL DOME PCB FOR PT...

Page 13: ...ansmitting low battery warning in the computer debugging mode Set the power supply voltage at 6 8V and press start and then end 3 Receiving Sensitivity adjustment Adjust the sensitivity in the computer debugging mode Make the sensitivity of all frequency points the highest provided the sensitivity is the highest the bigger computer debugging data the better Squelch adjustment Adjust squelch in the...

Page 14: ...d flash and no transmitting power 15 Starting time of transmitting should be 55ms Voltage for aforesaid tests 7 5V 0 1V in room temperature Frequency range 136MHz 174MHz 350MHz 400MHz 400MHz 470MHz 450MHz 520MHz 1 Sensitivity 116dBm 0 35uV wideband narrowband Hi Med Low frequency points 14dB SINAD MOD 1kHz DEV 3kHz wideband 1 5kHz narrowband 2 Distortion half audio power 8 Max audio power 20 16ÙSp...

Page 15: ...arging When the battery voltage reaches 9 6V 0 2V the battery will be deemed as full and the charging will be stopped Li ion battery pre charging when the voltage 6 5 0 1V when the battery voltage reaches 6 5 0 1V the charging turns to rapid charging Charging process checking battery voltage battery temperature rise V charging time max Battery temperature Min battery voltage 5 5V 0 1V for nickel h...

Page 16: ...ix 1 Abbreviations AMP amplify amplifier ANT antenna APC automatic power control BPF band pass filter CTCSS continuous tone control squelch system DCS digital code squelch DEMOD demodulation E2PROM electrically erasable programmable read only memory HPF high pass filter IDC instantaneous deviation control IF intermediate frequency LED Light Emitting Diode LNA low noise amplifier LPF low pass filte...

Page 17: ...2 Spare List 604 072000 R01 CABINET ASM 304 30040G R01 SPECIAL SCREWM3 0 4 604 072000 R02 EARPHONE PCBASM 201 007200 R08 EARPHONE COVER 203 000558 R02 VR NUT 203 007200 R08 ENCODER NUT 203 007200 R07 NUT FOR ANTENNA SOCKET 604 072000 R03 VR KNOBASM 604 072000 R04 ENCODER KNOBASM 202 007200 R04 RUBBER KEY PTT 201 007200 R04 KEY PTT 202 007200 R09 POGO PIN SOCKET MAIN PCB ASM 604 072000 R07 ALCABINE...

Page 18: ...C ROHS Chipdiode 1SR154 400 ROHM ROHS Chipvarialblecapacitordiode 1SV278 ROHS Chipvarialblecapacitordiode 1SV305 ROHS Chipvarialblecapacitordiode 1SV325 ROHS Chipswitchdiode 0603 MA2S111 PANASONIC ROHS Chip switchdiode DAN222 ROHM ROHS Chipdiode Wavebandswitch HSC277 HITACHI ROHS ChipHFswitchdiode 0603 HVC131 HITACHI ROHS Chipvarialblecapacitordiode HVC376B ROHS ChipLED 0603 green H19 213SYGC ROHS...

Page 19: ...2 220K 5 ROHS Chipresistor 0402 24K 5 ROHS Chipresistor 0402 2 7K 5 ROHS Chipresistor 0402 27K 5 ROHS Chipresistor 0402 270K 5 ROHS Chipresistor 0402 330R 5 ROHS Chipresistor 0402 3 3K 5 ROHS Chipresistor 0402 33K 5 ROHS Chipresistor 0402 330K 5 ROHS Chipresistor 0402 390R 5 ROHS Chipresistor 0402 3 9K 5 ROHS Chipresistor 0402 39K 5 ROHS Chipresistor 0402 390K 5 ROHS Chipresistor 0402 43K 5 ROHS C...

Page 20: ...ipcapacitor 0402 13P 5 50V C0G ROHS Chipcapacitor 0402 15P 5 50V C0G ROHS Chipcapacitor 0402 150P 5 50V C0G ROHS Chipcapacitor 0402 18P 5 50V C0G ROHS Chipcapacitor 0402 180P 10 50V X7R ROHS Chipcapacitor 0402 1800P 10 50V X7R ROHS Chipcapacitor 0402 1P 0 25P 50V C0G ROHS Chipcapacitor 0402 20P 5 50V C0G ROHS Chipcapacitor 0402 22P 5 50V C0GROHS Chipcapacitor 0402 220P 5 50V C0G ROHS Chipcapacitor...

Page 21: ...0 1P 50V C0G ROHS Chip capacitor 0603 10P 5 50V C0G ROHS Chip capacitor 0603 100P 5 50V C0G ROHS Chip capacitor 0603 1000P 10 50V X7R ROHS Chip capacitor 0603 0 01uF 10 50V X7R ROHS Chip capacitor 0603 0 1uF 10 50V X7R ROHS Chip capacitor 0603 11P 5 50V C0G ROHS Chip capacitor 0603 120P 5 50V C0G ROHS Chip capacitor 0603 15P 5 50V C0G ROHS Chip capacitor 0603 16P 5 50V C0G ROHS Chip capacitor 0603...

Page 22: ...NJ 47nH 5 0603 ROHS Chip inductor MLF1608DR47K 470nH 10 0603 ROHS Chip inductor MLF1608DR56K 560nH 10 0603 ROHS Chip inductor MLG1608B82N 82nH 5 0603 ROHS Chip wire inductor C2012C 22NJ 22nH 5 0805 ROHS Chip wire inductor C2012C 39NJ 39nH 5 0805 ROHS Chip wire inductor C2012C 47NJ 47nH 5 0805 ROHS Chip wire inductor C2012C 56NJ 56nH 5 0805 ROHS Chip wire inductor FHW1008UC1R0GB ceramic core 1uH 2 ...

Page 23: ...ode Waveband switch HSC277 HITACHI ROHS Chip HF switch diode 0603 HVC131 HITACHI ROHS Chip varialble capacitor diode HVC355B ROHS Chip regulator diode HZU5ALL HITACHI ROHS Chip LED 0603 green H19 213SYGC ROHS Chip LED 0603 red 19 21SURC S530 A2 TR8 ROHS Chip regulator diode MAZ806800L ROHS Chip triode DTA123JE ROHM ROHS Chip triode DTA144EE ROHM ROHS Chip triode DTC114EE ROHM ROHS Chip triode DTC1...

Page 24: ...OHS Chip resistor 0402 27K 5 ROHS Chip resistor 0402 270K 5 ROHS Chip resistor 0402 3K 5 ROHS Chip resistor 0402 330R 5 ROHS Chip resistor 0402 3 3K 5 ROHS Chip resistor 0402 33K 5 ROHS Chip resistor 0402 330K 5 ROHS Chip resistor 0402 3 9K 5 ROHS Chip resistor 0402 39K 5 ROHS Chip resistor 0402 390K 5 ROHS Chip resistor 0402 470R 5 ROHS Chip resistor 0402 4 7K 5 ROHS Chip resistor 0402 47K 5 ROHS...

Page 25: ...OHS Chip resistor 1206 0 39R 5 ROHS Volume switch RY 6932 ROHS Chip FUSE 433003 3A 32V 1206 ROHS Chip capacitor 0402 10P 0 5P 50V C0G ROHS Chip capacitor 0402 100P 5 50V C0G ROHS Chip capacitor 0402 1000P 10 50V X7R ROHS Chip capacitor 0402 0 01uF 10 50V X7R ROHS Chip capacitor 0402 0 1uF 80 20 16V Y5V ROHS Chip capacitor 0402 1uF 10 6 3V X5R ROHS Chip capacitor 0402 12P 5 50V C0G ROHS Chip capaci...

Page 26: ... Chip capacitor 0402 8P 0 5P 50V C0G ROHS Chip capacitor 0402 0 5P 0 1P 50V C0G ROHS Chip capacitor 0402 0 75P 0 1P 50V C0G ROHS Chip capacitor 0603 10P 5 50V C0G ROHS Chip capacitor 0603 100P 5 50V C0G ROHS Chip capacitor 0603 1000P 10 50V X7R ROHS Chip capacitor 0603 0 01uF 10 50V X7R ROHS Chip capacitor 0603 0 1uF 10 50V X7R ROHS Chip capacitor 0603 13P 5 50V C0G ROHS Chip capacitor 0603 15P 5 ...

Page 27: ...ROHS Chip inductor MLF1608A3R3K 3 3uH 5 0603 ROHS Chip inductor MLG1608B3N9ST 3 9nH 0 3nH 0603 ROHS Chip inductor MLF1608DR47K 470nH 10 0603 ROHS Chip inductor MLF1608DR56K 560nH 10 0603 ROHS Chip inductor MLG1608B6N8DT 6 8nH 0 5nH 0603 ROHS Chip inductor MLG1608BR27J 270nH 5 0603 ROHS Chip wire inductor C2012C 22NJ 22nH 5 0805 ROHS Chip wire inductor LQW2BHNR22NJ03L LQN21AR22J 220nH 5 0805 ROHS C...

Page 28: ...ame Type Specification Accessories Battery 7 4V 1700mAH Li ion battery Hanging Loop Earphone Charger Standard charger Antenna Stubby antenna KB 70B KGS 03 Clip KME 011 KBC 70C KA PT7200 SERVICE MANUAL 26 Whip Antenna Earphone KA ...

Page 29: ...Figure 1 PT7200 Top Board Position Mark Diagram 136 174 ...

Page 30: ......

Page 31: ...Figure 1 PT7200 Top Board Position Mark Diagram 400 470 ...

Page 32: ......

Page 33: ... 6 3v C505 33p C506 33p X6 3 6864MHz R525 1M R504 100k C604 1U 10V C603 1U 10V C595 0 033uF R346 0R C492 27p R545 220k R552 24k R544 51K C22 104 R403 2 2K R539 12k R299 12k R442 NC R502 43k R533 180k R309 10k R300 10k C584 470P C593 104 C541 1uF C21 223 C559 103 Q51 2SK1824 R397 6 8K R553 27k C406 105 R503 100k R449 33k R348 0R R374 47K R453 68K C545 1uF R441 NC R306 15k R291 22k C431 333 C599 560...

Page 34: ...1 18k R542 18k C623 4 7u 10v C518 27P R56882k R46533k C556 1u C622 474 R425 10k R395 27k R424 0R C479 33p C620 150p R565 56k R566 56k C618 273 C415 104 C621 1u 10v C502 22p C503 22p X6 3 6864MHz R5241M R394 100k C608 1U 10V C607 1U 10V C600 0 033uF R423 0R C478 27p R332 220k R564 24k R54551K C21 0 018uF R340 10K R540 18k R299 22k R517 NC R393 100k R534 390k R309 15k R300 22k C586 470P C552 0 018uF...

Page 35: ...Figure 7 Schematic Circuit Pane Diagram PT7200 SERVICE MANUAL 26 33 ...

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