Aiwa Tn-c137 Building instructions

SERVICE MANUAL

DATA

CORDLESS TELEPHONE

TN-C137

S/M Code No. 09-007-347-7N2

AHJ2(H,LT)

This Service Manual does not includeis IC BLOCK DIAGRAM,IC DESCRIPTION

and "ADJUSTMENT".These items will be issued in the next Supplement.

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-2-

SPECIFICATIONS

• Design and specifications are subject to change without notice.

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-3-

REF. NO PART NO. KANRI DESCRIPTION

NO.

ACCESSORIES LIST

1 SA-PC5-910-200 INSTRUCTION BOOK(AHR-CH)

1 SA-PC5-910-300 INSTRUCTION BOOK(ALH,P-C137)

!!

!2 87-B30-380-010 AC ADAPTOR,AC-D1245AHJ2NC

3 87-B30-374-010 BATT,NB-904 YNC

4 88-PCD-627-010 CORD,ST9-2WA

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-4-

ELECTRICAL MAIN PARTS LIST - 1/2

REF. NO PART NO. KANRI DESCRIPTION

NO.

REF. NO PART NO. KANRI DESCRIPTION

NO.

IC

S9-187-400-200 IC,TMP87C405M-1K46

S9-187-400-190 IC,TMP87C405M-1H35

S2-309-024-040 IC,LTV817C

88-PCD-605-010 IC,TB31224F

S8-474-200-0A0 IC,TC74VHC20FT/SN74LV20A(PW)

TRANSISTOR

SA-038-800-250 C-TR,KTC3880Y

87-026-699-080 C-TR,MMBT3906

S3-146-319-525 TR,KTC3195Y

S8-901-400-030 TR,KTC9014C

SA-039-040-000 C-TR,MMBT3904

89-327-143-010 C-TR,2SC2714Y

SA-039-060-010 C-TR,SST3906

89-318-154-010 TR,2SC1815-BL

DIODE

82-135-799-010 DIODE,IN4148

S0-100-511-200 ZENER,IN-5231B

S0-401-810-000 C-DIODE,1SS181

S0-401-840-000 C-DIODE,1SS184

87-027-513-010 ZENER,IN5232B 5.6V1/2W

87-017-781-080 RECTIFIER IN-4004

S0-103-301-210 ZENER,IN-5257B 33V

S0-100-621-250 ZENER,IN-5234B 6.2V

87-A40-226-080 DIODE,SVC251SPA

S0-240-010-000 RECTIFIER IN-4001B

BASE C.B

BPF301 S3-DPX-250-050 DUPLEXER 43/49MHZ

BPF302 S0-001-070-290 CER,FILTER L10.7MS2-A

BPF303 S0-004-550-060 CER,FILTER LTW33-455D

C105 87-010-380-010 CAP,E 47-16V

C201 S0-102-115-000 CAP,CER 0.001UF-500V

C202 S0-102-115-000 CAP,CER 0.001UF-500V

C203 S1-474-102-500 CAP,M 0.47-250V

C206 87-010-494-010 CAP,E 1-50V

C315 87-010-037-010 CAP,E 10-50V

C317 87-010-035-010 CAP,E 2.2-50V

C330 87-010-035-010 CAP,E 2.2-50V

C331 87-010-037-010 CAP,E 10-50V

C334 87-010-035-010 CAP,E 2.2-50V

C339 87-010-037-010 CAP,E 10-50V

C361 87-010-037-010 CAP,E 10-50V

C376 87-010-045-010 CAP,E 100-25V

C377 87-010-037-010 CAP,E 10-50V

C379 87-010-045-010 CAP,E 100-25V

C501 87-010-387-080 CAP,E 470-25V

C503 87-010-380-010 CAP,E 47-16V

C505 87-010-037-010 CAP,E 10-50V

C506 87-010-045-010 CAP,E 100-25V

J201 S0-022-020-000 JACK,TEL MINI L/P 6P2C

J501 S1-004-700-020 JACK,POWER DC470/MSC

L101 S0-100-140-020 COIL,100UH

L301 87-005-166-010 COIL,1.2UH

L302 S0-103-982-010 COIL,0.39UH

L303 S0-009-300-090 IFT,KY930RC 9MM

L304 S0-003-230-070 IFT,KL323N 7MM

L305 87-003-147-010 COIL,22UH

L306 S0-039-200-070 IFT,KY392N 7.7MM

L307 87-003-099-080 COIL,2.7UH

L308 S0-003-220-070 IFT,KL322N 7MM

L309 S0-075-600-070 IFT,7MM 455KHZ

L310 S0-106-862-000 COIL,68UH

L501 87-005-696-080 INDUCTOR 100UH

L502 87-005-696-080 INDUCTOR 100UH

L503 S0-100-140-020 COIL,100UH

L504 S0-106-862-000 COIL,68UH

L505 S0-106-862-000 COIL,68UH

LED101 87-070-106-010 LED,SE3001DT RED

LED103 87-070-106-010 LED,SE3001DT RED

RY201 S0-807-000-000 REED RELAY 8V

SCR201 S3-910-900-010 VARISTOR 390V

SFR301 S1-040-851-030 SFR,100K

SW101 S1-210-611-030 SW,SLIDE 1P2T

SW102 S0-211-102-000 SW,TACT 4P 4.3MM

!!

!T201 S1-919-020-000 AUDIO TRANSFORMER EI-19

X101 S6-004-000-000 CER,RESO 4MHz CSA4.00MG

X301 S6-102-402-000 X’TAL,10.24MHZ

HANDSET RF C.B

C6 87-010-075-040 CAP,E 10-16V

C12 87-010-075-040 CAP,E 10-16V

C15 87-010-380-010 CAP,E 47-16V

C16 87-010-072-070 CAP,E 2.2-50V

C19 87-010-545-010 ELECT CAP 0.22-50V

C24 87-015-716-010 CAP,E 22-16V

C30 87-010-072-070 CAP,E 2.2-50V

C33 87-010-380-010 CAP,E 47-16V

C47 87-010-380-010 CAP,E 47-16V

C58 87-015-716-010 CAP,E 22-16V

C65 87-010-072-070 CAP,E 2.2-50V

DX2 S3-DPX-250-040 DUPLEXER 43/49MHZ

IFT1 S0-003-220-070 IFT,KL322N 7MM

IFT2 S0-075-600-070 IFT,7MM 455KHZ

IFT3 S0-003-260-070 IFT,KL326F 7.7MM

IFT5 S0-002-720-070 IFT,7.7MM 0.27UH

J1 S1-300-231-500 CONN,13P 1.5MM

L2 87-003-133-010 COIL,0.22UH

L3 S0-104-782-010 COIL,0.47UH

L4 S0-102-782-010 COIL,0.27UH

L5 87-A50-375-010 INDUCTOR 1UH 2.3-3.4

T1 S0-004-550-060 CER,FILTER LTW33-455D

X1 S6-102-402-000 X’TAL,10.24MHZ

X2 S0-001-070-290 CER,FILTER L10.7MS2-A

HANDSET FRONT C.B

BATT1 SB-2BE-HA0-200 HEADER JST 2PIN

C2 87-010-075-040 CAP,E 10-16V

C3 87-010-380-010 CAP,E 47-16V

C5 87-010-075-040 CAP,E 10-16V

C10 87-010-075-040 CAP,E 10-16V

C14 87-010-077-070 CAP,E 33-10V

L1 87-005-696-080 COIL,100UH

LED1 S0-321-610-010 C-LED,3.2-1.6(RED)

LED2 87-070-106-010 LED,SE3001DT RED

P1 S0-301-500-020 DYNAMIC RECEIVER 28-7.5

P2 S0-301-500-020 DYNAMIC RECEIVER 28-7.5

X1 S6-004-000-000 CER,RESO 4MHz CSA4.00MG

ZENER DIODE C.B

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-5-

88

A

Resistor Code

Chip Resistor Part Coding

Figure

Value of resistor

Chip resistor

Wattage Type Tolerance

1/16W

1/10W

1/8W

1608

2125

3216

5%

CJ

Form

LW t

1.6 0.8 0.45

2 1.25 0.45

3.2 1.6

108

118

128

: A

CHIP RESISTOR PART CODE

0.55

Resistor Code

Dimensions (mm)

Symbol

1/16W 1005 5% CJ

1.0 0.5 0.35 104

Lt

W

• Regarding connectors, they are not stocked as they are not the initial order items.

The connectors are available after they are supplied from connector manufacturers upon the order is received.

ELECTRICAL MAIN PARTS LIST - 2/2

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TRANSISTOR ILLUSTRATION

BE

C

2SC2714

KTC3880

MMBT3904

MMBT3906

SST3906

E B C

KTC9014

E C B

2SC1815 E C B

KTC3195

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7

SCHEMATIC DIAGRAM-1 (BASE C.B-1/3 SECTION)

BASE C. B 1/3 (RF-1 SECTION)

7B

8B

TO BASE C. B 3/3

(MCU/LINE INTERFACE) 1D

TO BASE C. B 2/3

(RF-2) 7B-9B

9B

1D

0.01

RF-AMP

BASE UNIT

ANTENNA

BPF301

DPX43/49MHz

1A

5B

1B

2B

3B

4B

(RF-2) 1A

TO BASE C. B 2/3

(RF-2) 4A

TO BASE C. B 3/3

(MCU/INTERFACE)

1B-6B

TC301

18p

TP6

: TX RF

: TX AUDIO

: TX DATA

: RX RF

: RX AUDIO

: TX DATA

: DTMF

: CONTROL

SIGNAL

C320

2A

C319

5p

2SC2714Y

TX_OUT

X301

TO BASE C. B 2/3

L310

68uH

1

TP1

Q304

C353

30p

TP2

1 2 3 4 5 6 7 8 9 10 11 12 13 14

15

16

17

18

19

20

21

22

23

24

2526

27

282930

3132

C331

10/50

+

C333

0.1

1K

R315

L307

2.7uH

1

2

3

4

5

RX

GR

ANT

GT

TX

333435363738

39

40

41

42

43

44

45

46

47

48

1ST MIX 2ND MIX

RX VCO

RX PLL

BATTERY

ALARM LIMITER

DATA LATCH

CONTROL COMP

RSSI

QUAR

EXPANDOR

TX PLL

LO OSC

C-MUTE

SPLATTER MIC AMP

PRE AMP

E_MUTE

RECEIVER

AMP

NOISE

FILTER

IF AMP

LPF

AEL HC49U

10.24MHz C.Cap.

C354

1 TP4

C308

4p

3A

D301

IN5234B

5.2V

C379

100/25

4A

MOD_AF

R386

4.7

C360

0.1

R343

56K C359

0.1

VCC1

R344

22K

R345

470K

R346

22K

6B

R348

12K

Q305

MMBT3904

BAND

CONTROL

R349

100K

R350

100K

BAND

C318

0.047

R312

4.7K

C317

2.2/50

C316

0.01

R311

10K

R318

4.7K

R319

10K

C327

0.01

C328

0.47

C329

0.1

C330

2.2/50

C326

27p

L308

KL322N

C332

0.1

C323

0.001

C324

0.01

C325

0.001

L306

KY392

L301

1.2uH

LAL03

C322

0.01

R314

100

ANT1

MOD2

TO BASE C. B 2/3

(RF-2) 2A

TO BASE C. B 2/3

(RF-2) 3A

FB

C356

220p

TX_DATA

SFR301

100K

R342

56K

R341

27K

C357

270p

R340

56K

C358

0.0068 GND

C361

10/50

R336

180K

C362

100p

R337

10K

C363

0.1

TP7

C348

330p

R330

27K

R334

22K

C347

0.1 R329

10K

R328

39K C345

0.001

C351

0.1 R378

27K

R327

100K

VCC1

R326

82K

C345

0.01

TX_AUDIO

R339

10K

L305

22uH

R313

470K

TP3

+

VCC1

+

C352

0.1

LINE_OUT

RX_DATA

R325

4.7K

R324

27K

C342

0.0047

C343

0.1

TP5

R323

6.8K

R356

62K

R357

10K

R353

51K

R355

6.8K

C375

0.001

C385

180p

C374

180p

R352

100K

C341

22p

R321

27K

C337

0.1

C339

10/50

C340

0.1

VCC1

234

5

BPF303

CQ LTW-33 4550

L309

5M4A756N

1

2

3

4

5

6 7

C336

0.1

C335

0.001

BPF302

10.7MHz

CQ L10.7M52-A

R320

4.7K

C334

2.2/50

+

TX-IN

VCC3

LO1

LO2

SIG-OUT

CLK

DATA

STB

FIL-OUT

FIL-IN

COMP-OUT

C-NF

MIC-OUT

MIC-IN

PRE-IN

PRE-OUT

EXP-OUT

RECE-IN

RO1

RO2

BAT-ALM

RSSI

DATA-OUT

D-COMP-IN

GND2

TX-OUT

RX-OUT

C-RECT

VCO2

VCO1

VCO-CONT

VCC2

1ST(MIX-IN)

VREF

1ST(MIX-OUT)

E-RECT

2ND(MIX-IN)

N-REC

2ND(MIX-OUT)

VCC1

IF-IN

DEC

GND1

IF-OUT

AF-OUT

N-FIL-OUT

N-FIL-IN

QUAD

IC301

IC TB31224F

RSSI_SIG

PLL_CK

PLL_DATA

PLL_STB

3

2

1

5

4

6 7

3

2

1

5

4

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-8-

SCHEMATIC DIAGRAM-2 (BASE C.B-2/3 SECTION)

BASE C. B 2/3 (RF-2 SECTION)

4A

2A

1C

3A

1A

TO BASE C. B 1/3

(RF-1) 1A-4A

TO BASE C. B 3/3

(MCU/LINE INTERFASE) 1C

D304

SVC251SPA

SST3905

TX-POWER

CONTROL

SIGNAL

Q303

TX-PRE AMP

RF-AMP

: TX RF

: TX AUDIO

: TX DATA

L303

KY930RC

3

2

1

4

5

67

VCC1

Q302

R303

47K

TX_OUT

C301

15p

C302

15p

L302

0.39uH C303

39p

C304

120p

Q301

2SC2714Y

3

2

1

4

5

6 7

R301

100K

C305

0.01

R302

10

C307

5p

C306

0.01

R306

1K

C309

56p

C310

56p

C312

56p

C311

47p

Q303

2SC2714Y

L304

KL323N

R308

1K C313

0.01

R307

22K

R310

10K

MOD_AF

MOD2

R305

47K

R309

100

C314

0.001

C315

10/50

TX+

+

R304

4.7K

TX_PWR

TX+

FB

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++

+

POWER

-9-

SCHEMATIC DIAGRAM-3 (BASE C.B-3/3 SECTION)

BASE C. B 3/3 (MCU/LINE INTERFACE SECTION)

1D

1B

DC12V

CHARGING

CONTACTS

TO BASE C.B 1/3

(RF-1) 1B

T0 BASE C. B 1/3.

(RF-1) 1D

TO BASE C. B 1/3

(RF-1) 8B

D504

1N4001B

D501

1N5232B

5.6V

1/2W

1000P-500V

T201

EI-19

C205

0.47

R504

4.7K

1/8W

R503

2.7

1/8W

C506

100/25

IC201

LTV817C

D204

IN5257B

33V

RY201

8V

TEL. LINE

Q201

MMBT3904

L-SEIZE

C376

100/25

R376

470

C377

10/50

Q308

SST3906

Q307, 308, 309

LINE-OUT AMP

R373

20K

C373

0.01

8B

IC101

TMP87C405M-1H35

D107

1N5232B

5.6V

1/2W

TONE

PULSE

LED101, 103

SE3001DT RED

IN USE/CHARGE

TONE/PULSE

TO BASE C. B 2/3 (RF-2) 1C

TO BASE C. B 1/3

(RF-1) 3B-6B

7B

6B

1C

4B

3B

2B

1B

: RX AUDIO

: DTMF

SIGNAL

!

CHG-DET

Q502

CONSTANT

CURRENT

Q502

2SC1815BL

D502

1N4148

D503

1N4148

R505

2.2

1/8W

C501

470/25

C502

0.1

R501

22

1/2W

R502

1K

1/8W

C504

0.1

C503

47/16

C505

10/50

REGULATOR

Q501

2SC1815BL

L503

100uH

LAL02

VCC1 VCC3

+12V

L501

100uH

LAL04

L502

100uH

LAL04

R507

100

2W

R508

10K

R509

47K

Q503

MMBT3904

CHG+

CHG-

CHG_DET

L504

68uH

L505

68uH

VCC3

+12V

R207

10K

R209

1.2K

C206

1/50

R210

10K

R208

2K

R211

22K R204

47K

R205

68K

D201

1N4148

R206

2.2K

C204

0.47

C203

0.47

250V

(M)

SCR201

390V

R203

68R

1W

FR201

FUZE

10 1/2W

C201

C202

J201

R212

10K

1

2

3

4

L_SEIZE

D202

1N4148

D203

1N4004

1

2

3

4

RING_DET

VCC3

R213

18K

RX_AUDIO

14

5

23

TX_AUDIO

J501

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

VCC3

DTMF

TO BASE C. B 1/3 (RF-1) 7B

+

R377

22

Q309

MMBT3904

Q307

MMBT3904 D302

1N4148

D303

1N4148

R377

180K

C378

330p

R375

1K

R371

10K

R372

5.1K

C372

0.01

C371

0.0022

DTMF

LINE_OUT

BAND

CLK

DATA

STB

TX_PWR

TX_DATA

R113 100K

R115 100K

R116 220p

R117 100K

R118 220p

R120

100K

R126

470

IN USE/CHARGE

D105 1N4148

LED101

IN-USECHARGE LED

RX_DATA

LED103

POWER LED

RED R128

470

PAGE

SW102

R129

10K

R151 100K

R152 100K

R102 100K

R130 100K

R103 15K

R104 30K

R105 62K

R106 120K

R107 240K

R108 470K

C107

0.1

XOUT

XIN

TEST

P67

P66

P65(STOP5)

P64(STOP4)

P63(STOP3)

P62(STOP2)

P61

P60

P77

P76(STOP/INT5)

VSS(VASS)

P73

P74

P75

P16

P17

P72

P15(TC2)

P14(PPC)

P13(DV0)

P12(INT2/TC1)

P11(INT1)

P10(INT0)

RESET

VDD

C103

0.47

RING_DET CHG_DET

C104

1

C108

0.1

L101

100uH

LAL02

R123

100K

C105

47/16

C106

0.1

R154

390

C101

33p

C102

33p

R101

1M

X101 4MHz

+12V

RX_AUDIO

L_SEIZE

VCC1

VCC3

R351

15K

R132

100K

C355

0.01

RSSI_SIG

VCC1

VCC3

R124

100K

R125

100K

VCC1

SW101

1

2

3

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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WIRING - 1 (BASE C.B)

-10-

1

A

B

C

D

E

F

G

H

I

J

K

L

M

A

B

C

D

E

F

G

H

I

J

K

L

M

N N

2345678910 654 8 9 107321

2

14

3

E C B

BLK

BASE UNIT

ANTENNA

SW102

PAGE

SW101

PULSE< >TONE

LED103

POWER

LED101

IN USE /

CHARGE

J501

DC12V

152

43

13

5 4

6 7

13

4 5

7 6

1 3

45

6 7

31

5

4

76

1

6

7

3

4

5

1

3

5

7

9

11

13

14 15

17

19

21

23

25

27

28

CHARGING CONTACTS

C

BE

C

BE

C

BE

C

BE

C

BE

C

BE

R209

R213

R204

R125

R130

R126

R305

R301

R314

R313

R302

R309

R304

R307

R336

R375

R508

R374

R101

R377

R208

R371

R337

R354

R348

R329

R350

R345

R344

R357

R355

R321

R323

R353

R306

R310

R343

R340

R324

R326

R341

R205

C204

C301

C304

C305

C306

C309

C318

C319

C320

C329

C354

C323

C366

C205

C372

C337

C106

C108

C104

C103

C101

C102

C335

C365

C374

C336

C340

C308

C356

C348

C346

C307

C326

C327

C333

C302

C502

C303

C314

C311

C312

C353

C357

C343C342

C351

C345

C316

C322

C324

C325

C378

C371 C373

C332

C328

C362

C347

C352

C313

C359

C360

C363

C341

C372

C310

C504

R124

R129

R386

R311

R128

R312

R509

R123

R102

R103

R104

R105

R106

R107

R108

R151

R212

Q201

Q304

Q503

Q307

Q308

Q309

R319

R303

R318

R320

R376

R373

R154

R207

R211

R210

R372

R113

R115

R117 R118

R116

R120

R152

R132

R315

R349

R346

R308

R351

R328

R342

R356

R330

R339

R352

R206

E B

C

E B

C

38

35

30

25

1

5

1014

15

20

24

48

45

39

IC301

B

E

C

B

EC

J201

TEL. LINE

Q301

Q302

Q306

Q303

BASE C. B (PATTERN SIDE) BASE C. B (TOP VIEW)

C107

NOTE

,

Cxxx = Cxxx =

Rxxx = JWxxx =

1

5 4 3

1

2

3 5

TP1

TP3

TP6

TP5

TP7

TP2

LHG+LHG-

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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+

P14(PPC)

P13(DV0)

P10(INT0)

RESET

P76(STOP/INT5)

-11-

SCHEMATIC DIAGRAM-4 (HANDSET FRONT/ZENER SECTION)

HANDSET FRONT C. B

ZENER DIODE C. B

CHARGING

CONTACTS

MMBT3906

RX-PWR

CONTROL

TMP87C405M-1K46

D14

1SS184

15

24

16

26

12

17

18

19

21

22

20

21

19

18

17

26

24

23

22

20

ZD1

1N5231B

5.1V

C10

10/16

C9

0.01

C11

0.1

1.8M

KTC9014C

Q1

KTC9014C

VCC

BATT1.

BATT.PACK

(Ni-Cd)

3.6V

TO HANDSET RF C. B

J1

J2

0.1

MMBT3904

0.1

C99

0.1

C5

10/16

5

6

7

8

9

10

11

12

ROW0

ROW1

ROW2

COL3

COL2

COL1

COL0

REC_VOL

RING_VOL

BEEP

R10

2.2k

R12

2.2k

23

VCC

LED1

BATT.LOW

LED,WS3216RSC(RED)

16

17,18,19

12,23

15

VDD TONE

Channel

VDD

C901

0.1

11

10

9

8

5 6 7

COL0

COL1

COL2

COL3

REC_VOL

2

1

5

4

C17

C18

C15

C16

470p

1

2

3

4

5

6

7

14

13

12

11

10

9

8

U901

TC74VHC20FT/

SN74LV20A(PW)

1

2

4

5

LED2

LED(SMT)

RED

TALK

TALK_LED

RED

Q8

MMBT3906

RING-VOL

Q6

RING-AMP

Q2

MMBT3906

OSC-PWR

CONTROL

Q1, 2, 4

MCU RESET

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

XOUT

XIN

TEST

P67

P66

P65(STOP5)

P64(STOP4)

P63(STOP3)

P62(STOP2)

P61

P60

P77

VSS(VASS)

P73

P74

P75

P16

P17

P72

P15(TC2)

P12(INT2/TC1)

P11(INT1)

VDD

SW13

SW10

SW7

SW4

SW1

SW14

SW11

SW8

SW5

SW2

SW15

SW12

SW9

SW6

SW3

SW20

SW19

SW18

SW17

SW23

SW22

SW16 SW21

Redial

/Pause Flash

0

89

56

23

4

1Talk Off

C19

C8 R21

68K

R14

100K

Q4

C4

0.1

L1

100uH

R13

33

KA

C2

10/16

R5

680

R31

1.8M

X1

4MHz

C7

30p

C6

30p

VCC

VDD

VCC

D7

1N4148

R16

100K C12

0.1 VDD

R26

10K

R24

10K

R25

2.2K

BAND

RX_DATA

BEEP

OSC_PWR

R9

56K

VCC

R8

4.7K

R22

47K

TX_DATA

R6

10K RSSI_SIG

R23

390

VCC

R17

100K

VCC

PLL_CK

PLL_DATA

PLL_STB

BAT_ALM

C14

33/10

AK

VCC

BAT_ALM

RX_PWR

R28

4.7K

R27

56K

Q5

RX_PWR

C1

0.1

C3

47/16

P5

BUZ(+)

P6

BUZ(-)

TO BUZZER

R7

330

D9

1N4148

MMBT3904

R11

22K

VCC

VCC U1

ROW2

VDD

R4

100K

D4

1N4148

D3

1N4148

Memo/

Store

Mute

7

D2

1N4148

D1

1N4148

R2

100K

VDD

ROWO

R34

22K

R33

22K

R32

22K

R29

22K

R3

100K

VDD

ROW1

C13

33p

TY_DATA

RSSI_SIG

PLL_CK

PLL_DATA

PLL_STB

OSC_PWR

RX_DATA

BAND

RX_PWR

BAT_ALM

REC_VOL

1

2

3

4

5

6

7

8

9

10

11

12

13

VCC

BAND

CHG_DET

RX_DATA

BEEP

OSC_PWR

TX_DATA

RSSI

PLL_CLK

PLL_DATA

PLL_STB

D6

1N4148

D5

1N4148

R20

390K

R19

2.2M

D8

1SS181

JP2

C A

A1A2

C2C1

CHARGE (+)

P1

CHARGE (-)

P2

R18

Q3

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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WIRING - 2 (HANDSET FRONT/ZENER C.B)

-12-

F

E

D

C

B

A

B

C

D

E

F

9 10 11 12 13 14 15 16 17 18

10 11 12 13 14 15 16 17 18

87654321

987654321

D8

D14

RED

BLK

RED

BLK

RED

BLK

WHT5

WHT4

WHT3

WHT2

WHT1

RED

BLK

WHT5

WHT4

WHT3

WHT2

WHT1

1

3

5

7

9

11

1415

17

19

21

23

25

28

C99

C19

R31

1

3

5

7

9

11

13

1

3

5

7

9

11

13

TO HANDSET RF C. B

J1

BUZZER

HANDSET FRONT C. B

ZENER DIODE C. B

(PATTERN SIDE)

HANDSET FRONT C. B

(TOP VIEW) SHIELD SHEET

LED2

CHARGING CONTACTS

P1P2

BATTERY PACK

Ni-Cd

OFF

SW21

MUTE

SW20

FLASH

SW15

0

SW11

1

SW1

CH

SW13

SW12

TALK

SW16

TALK

LED2

T

SW23

T

SW18

VOL

SW22

VOL

SW17

2

SW2

ABC

3

SW3

DEF 6

SW6

MNO 9

SW9

WXYZ MEMO/

SW19

STORE

BATT.

LED1

LOW

8

SW8

TUV

5

SW5

JLK

4

SW4

GHI 7

SW7

PQRS

SW10

TONE REDIAL

SW14

/PAUSE

Q8 R12

R11

R10

Q6

1 3 5 7

14

U901

1210 8

Q2 R8

R9

C3

P5

P6

C4

EB

C

Q5

C9

C1

R18

R5

C6

C7

Q4

R26

ZD1

D5

C14

L1

D6

J2

R23

R15

C10 C5

D7

D1

D2

D3

D4

Q1 Q3 C2

X1

C B E E B C BATT1

C13

C11

R14

R24

R27

R21

C8

C12

R16

C17

C16

R32

R33

R34

C18

C15

R29

C901

R19

R6

R28

R25

R3

U1

LED1

R4

R2

R20

R17 R22

D9

R7

R13

B

E

B

C

E

B

C

B

EC

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

13

SCHEMATIC DIAGRAM-5 (HANDSET RF C.B-1/2 SECTION)

HANDSET RF C. B 1/2

7A

TO HANDSET RF C. B 2/2

15A

TO HANDSET RF C. B 2/2

7A-9A

9A

15A

0.01

RX AMP

HANDSET

ANTENNA

DX2

DPX43/49-M

1A

13A

12A

11A

10A

TO HANDSET RF C. B 2/2

1A-5A,10A-14A

C5

27p

: TX RF

: TX AUDIO

: TX DATA

: RX RF

: RX AUDIO

: TX DATA

: CONTROL

SIGNAL

C54

3A

C55

39p

KTC3195

TX_OUT

1

Q3

C1

22p

1 2 3 4 5 6 7 8 9 10 11 12 13 14

15

16

17

18

19

20

21

22

23

24

2526

27

282930

3132

C24

22/16

+

C25

0.1

1.5K

R43

L3

0.47uH

1

2

3

4

5

RX

GR

ANT

GT

TX

333435363738

39

40

41

42

43

44

45

46

47

48

1ST MIX 2ND MIX

RX VCO

RX PLL

BATTERY

ALARM LIMITER

DATA LATCH

CONTROL COMP

RSSI

QUAR

EXPANDOR

TX PLL

LO OSC

C-MUTE

SPLATTER MIC AMP

PRE AMP

E_MUTE

RECEIVER

AMP

NOISE

FILTER

IF AMP

LPF

X1

10.24MHz

AEL HC49U

C3

0.1

C7

13p

2A

4A

MOD_AF

C70

1500p

C69

0.1 R59

47K

R51

27K

14A

C63

0.047

R56

4.7K

C65

2.2/50

C66

0.01

R55

10K

R11

4.7K

R12

5.6K

C17

3900p

C19

0.22/50 C18

0.039

C16

2.2/50

C20

33p

IFT1

KL322N

C22

0.1

C21

0.001

C52

24p

KT3

KL326F

L5

1uH

C53

0.01

R39

470

ANT1

MOD2

FB

C2

200p

TX_DATA

VR1

20K(B)

R3

56K

R4

27K

C8

180p

R5

56K

C10

6800p

GND

C12

10/16

R7

120K

C13

150p

R8

10K

C14

0.22

C26

390p

R14

47K

R15

22K

C51

0.1

VR3

20K (B)

R17

22K C71

0.0047

C47

47/16

R62

56K

C45

0.001

REC_VOL

OSC_PWR

R6

47K

L2

0.22uH

R42

220K

+

VCC

+

C27

0.1

RX_DATA

R29

27K

C43

0.0047

C42

0.1

R30

5.6K

R19

5.6K

R1

10K

R27

51K

R28

6.8K

C41

0.01

C40

180p

C39

180p

R25

150K

C37

39p

R24

27K

C34

0.1

C33

47/16

C35

0.1

VCC

234

5

T1

CQ LTW-33 4550

IFT2

5M4A756N

1

2

3

4

5

6 7

C32

0.1

C31

0.001

X2

10.7MHz

CQ L10.7MS2-A

R21

1.5K

C30

2.2/50

+

TX-IN

VCC3

LO1

LO2

SIG-OUT

CLK

DATA

STB

FIL-OUT

FIL-IN

COMP-OUT

C-NF

MIC-OUT

MIC-IN

PRE-IN

PRE-OUT

EXP-OUT

RECE-IN

RO1

RO2

BAT-ALM

RSSI

DATA-OUT

D-COMP-IN

GND2

TX-OUT

RX-OUT

C-RECT

VCO2

VCO1

VCO-CONT

VCC2

1ST(MIX-IN)

VREF

1ST(MIX-OUT)

E-RECT

2ND(MIX-IN)

N-REC

2ND(MIX-OUT)

VCC1

IF-IN

DEC

GND1

IF-OUT

AF-OUT

N-FIL-OUT

N-FIL-IN

QUAD

U1

IC TB31224F

RSSI_SIG

PLL_CK

PLL_DATA

PLL_STB

3

2

1

5

4

6 7

3

2

1

5

4

67

6A RX_PWR

TO HANDSET RF C. B 2/2

6A

C45

47p

C49

15p

+

R2

47

C6

10/16

+

5A

R47

10K R48

10K

R50

1K

C29

3p

MOD_DATA

C3

0.1

C11

0.1

C15

47/16

R9

3.3K

R10

380

P3

P4

TO MIC

CMT-64

C72

0.0047

R57

4.7K

R53

10K

R16

10K

C28

0.1

R32

4.7K

C4

0.01

Q1

MMBT3904

REC-VOL

P1

P2

+

8A

BAT_ALM

R18

6.8

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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5A

TO HANDSET FRONT C. B

J2

TY_DATA

RSSI_SIG

PLL_CK

PLL_DATA

PLL_STB

OSC_PWR

RX_DATA

BAND

RX_PWR

BAT_ALM

REC_VOL

1

2

3

4

5

6

7

8

9

10

11

12

13

VCC

IFT5

KL272N

3

2

1

5

4

6 7

+

12A

13A

14A

15A

11A

10A

9A

6A

7A

8A

C99

0.01

3A

4A

5A

C74

0.001

R53

22K

BAND

MOD_AF

MOD_DATA

MOD2

R46

130K

R36

330K

R37

100K

R52

220K

R31

22K

C73

0.001

R38

1K

Q8

MMBT3904

BAND

CONTROL

D1

SVC2515PA

C64

68p

C62

47p

C56

56p

C61

56p

R35

22K

Q2

KTC3880Y

TX PRE AMP

R33

1K

C50

18p

R45

33K

R22

100

C59

0.01

R51

68

L4

0.27uH

C41

0.01

C58

22/16

C68

0.01

C57

82p

C60

100p

1A

TX_OUT

TO HANDSET RF C. B 1/2

1A-15A

: TX RF

: TX AUDIO

: TX DATA

SIGNAL

HANDSET RF C. B 2/2

SCHEMATIC DIAGRAM-6 (HANDSET RF C.B-2/2 SECTION)

-14-

Q7

MMBT3904

TX AMP

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TEL 13942296513 QQ 376315150 892498299

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WIRING - 3 (HANDSET RF C.B)

-15-

1

A

B

C

D

E

F

G

H

I

A

B

C

D

E

F

G

H

I

2345 54321

R63

C71

R57

Q7

R32 C

B E

U1

E B

C

Q8

C

E

B E

B

Q2

Q1

1

5

10

14

15 20 24

25

30

35

38

3945

48

BLK

BRN

BLK

BRN

BLK

RED

BLK

RED

MIC

R47

R61

C70

R48

R50

RECEIVER

1

1 13

3 5 7 9 11 13

TO HANDSET FRONT C. B

J2

HANDSET

ANTENNA

1

6

73

4

5

1

1 3 5

3

77

6

3

1

4

5

4

3

67

1

2

3

4

5

54

HANDSET RF C. B HANDSET RF C. B

NOTE

,

Cxxx =

Rxxx =

C55

R42

C54

R43

C52

C53

C99

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0

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8

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TEL 13942296513 QQ 376315150 892498299

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-16-

VOLTAGE CHART- 1/4 (BASE UNIT) -1/2

IC301 IC, TB31224F

IC101 IC, TMP87C405M-1H35

DC Characteristic DC Characteristic

STANDBY

TALK

STANDBY

TALK

1 4.93 4.93 25 0.68 0.64

2 4.93 4.93 26 0.71 0.78

3 4.88 4.88 27 0.71 0.55

4 4.58 4.58 28 4.97 4.95

5 4.93 0.11 29 4.07 4.05

60 0300 0

7 0 0 31 4.58 4.57

8 0 0 32 4.58 4.57

9 1.50 1.47 33 4.97 4.95

10 1.48 1.46 34 3.64 3.60

11 1.48 1.47 35 1.37 0.10

12 1.48 1.47 36 0.95 0.95

13 1.48 1.48 37 1.22 0.64

14 1.48 1.48 38 3.54 3.59

15 1.48 1.48 39 1.48 1.48

16 1.48 1.48 40 1.00 1.03

17 1.48 1.48 41 2.07 2.07

18 1.25 1.25 42 2.48 2.48

19 1.25 1.24 43 4.97 4.95

20 1.25 1.25 44 4.97 4.95

21 0 0 45 0.65 0.90

22 0.49 1.58 46 2.48 2.49

23 2.48 2.83~4.93 47 4.95 1.87

24 0.67 0.67 48 0 0

No. Pin

No.

DC Characteristic DC Characteristic

STANDBY

TALK

STANDBY

TALK

1 2.11 2.10 15 4.81 4.78

2 2.01 2.00 16 0.14 0

3 0 0 17 0.18 0

4 4.81 4.78 18 0 0

5 0 0 19 4.82 0

60 0200 0

7 0 0 21 4.82 0.30

80 0220 0

9 0 0 23 4.92 4.91

10 0 0 24 2.48 2.48

11 0 0 25 4.82 4.80

12 0.00 4.74 26 4.82 4.80

13 4.95 0.11 27 4.80 4.78

14 0 0 28 4.82 4.80

No. Pin

No.

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3

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3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

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TEL 13942296513 QQ 376315150 892498299

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-17-

TRANSISTORS

IC201 IC, LTV817C

DC Characteristic

STANDBY

TALK

1 0.03 0.03

20 0

30 0

4 4.81 4.79

No.

Location Pin Name STANDBY TALK

C 14.50 0.15

Q201 B 0 0.74

E00

C 0.22 4.85

Q301 B 0.20 0.61

E00

C 0.30 4.90

Q302 B 4.83 4.21

E 4.97 4.95

C 0.30 4.64

Q303 B 0.28 3.19

E 0 2.72

C 4.91 4.89

Q304 B 3.16 3.14

E 2.46 2.45

C 0.04 0.04

Q305 B 0.56 0.56

E00

C 10.98 10.22

Q307 B 6.02 5.64

E 5.35 4.97

C00

Q308 B 4.72 4.30

E 5.40 4.97

C 4.73 4.36

Q309 B 0.68 0.68

E00

C 13.46 11.95

Q501 B 5.60 5.60

E 4.96 4.95

C 14.60 13.30

Q502 B 14.55 13.30

E 14.01 12.95

C 4.80 4.79

Q503 B 0 0

E00

VOLTAGE CHART- 2/4 (BASE UNIT) -2/2

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3

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6

3

1

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1

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0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

-18-

U1 IC, TB31224F

U1 IC, TMP87C405M-1K46

DC Characteristic DC Characteristic

STANDBY

TALK

STANDBY

TALK

1 3.80 3.62 25 0 0.43

2 3.80 3.62 26 0 1.65

3 0 3.56 27 0 0.85

4 0 3.21 28 3.82 3.67

5 3.79 0 29 3.24 2.79

6 3.77 0.60 30 0 0

7 0 0 31 0 3.30

8 0 0 32 3.80 3.30

9 0 1.42 33 3.82 3.82

10 0 1.41 34 2.86 2.86

11 0.93 1.39 35 0 0

12 0.90 1.46 36 0 0.94

13 0.99 1.49 37 0.34 0.68

14 1.01 1.49 38 2.84 2.48

15 0 1.45 39 0.40 1.46

16 0 1.45 40 0 1.01

17 0 1.46 41 0.3~1.6 2.09

18 0 1.23 42 0.7~2.3 2.26

19 0 1.23 43 3.80 3.66

20 0 1.23 44 3.82 3.66

21 0 0 45 0.16 0.65

22 0 0.16 46 0.7~2.2 2.26

23 3.81 1.5~3.7 47 1.20 1.69

24 0 0.67 48 0 0

No. Pin

No.

DC Characteristic DC Characteristic

STANDBY

TALK

STANDBY

TALK

1 1.59 1.51 15 3.79 0.04

2 1.47 1.39 16 0 0

30 0170 0

4 0 3.28 18 0 0

5 3.74 3.57 19 3.78 3.59

6 3.74 3.57 20 3.80 0.00

7 3.74 3.57 21 3.78 3.59

8 3.78 3.23 22 3.79 0

9 3.78 3.23 23 0 0

10 3.78 3.24 24 3.81 1.6~3.3

11 0 1.25 25 0 0

12 0 0 26 2.79 3.57

13 3.81 3.60 27 3.76 3.58

14 0 0 28 3.80 3.81

No. Pin

No.

VOLTAGE CHART- 3/4 (HANDSET UNIT) -1/2

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1

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0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

-19-

TRANSISTORS (HANDSET RF)

U901 IC, TC74VHC20FT/SN74LV20A

DC Characteristic DC Characteristic

STANDBY

TALK

STANDBY

TALK

1 3.79 3.23 8 0 0

2 3.79 3.23 9 3.79 3.60

3 0 0.51 10 0 3.60

4 0 1.23 11 3.79 0

5 3.79 3.23 12 3.79 3.60

6 3.79 3.30 13 3.79 3.60

7 0 0 14 3.79 3.60

No. Pin

No.

Location Pin Name STANDBY TALK

C00

Q1 B 0 0

E00

C 0.35 3.71

Q2 B 0.31 3.28

E 0 3.58

C 0 3.65

Q3 B 0 1.50

E 0 0.86

C 0.32 3.13

Q7 B 0.30 0.72

E00

C00

Q8 B 0.61 0.61

E00

Location Pin Name STANDBY TALK

C 4.02 3.86

Q1 B 0.02 0.02

E00

C 0.34 3.86

Q2 B 4.08 3.21

E 4.06 3.97

C 0.02 0.02

Q3 B 0.48 0.48

E00

C 3.99 3.81

Q4 B 0 0

E00

C 0 3.98

Q5 B 4.05 3.30

E 4.08 4.06

C 4.05 4.05

Q6 B 0 0

E00

C 4.08 4.06

Q8 B 4.08 3.84

E 4.08 4.06

TRANSISTORS (HANDSET FRONT)

VOLTAGE CHART- 4/4 (HANDSET UNIT) -2/2

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TEL 13942296513 QQ 376315150 892498299

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-20-

MECHANICAL EXPLODED VIEW 1/1

19

20

21 EED

22

23

24

1

2

3

6

5

7

8

SPKR,FELT

18-0.18MM

H/S RECEIVE

CUSHION

4

PWB

EE

H/S SH

FIBER

9

10

29

AA

11

B

12

15

13

14

18 17 BATT,

NB-904 YNC

16

CCCC

C

E

28 28 28

28

27

30

26

25

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

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