Panasonic KX-TSC11B, Service Manual

11

NC : No Components

KX-TSC11SN SCHEMATIC DIAGRAM (Main P.C. Board)

(     ): No Battery

3.3V

(3.3V)

3.8V

(3.5V)

Batt Low Detection 3.8V

4.5V

VOLTAGE CHECK (IC2)

MODE

PIN No.

1

7.65

32.0(AC)

2

8.72

23.0(AC)

3

8.39

23.0(AC)

4

8.73

23.0(AC)

5

8.31

24.3(AC)

6

0.05

0.70(AC)

7

9.35

23.2(AC)

8

9.20

14.9(AC)

(TALK)

(BELL)

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+  -

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A

B

(        )

(        )

(        )

(        )

AGC

LINE_SEIZER

ONHOOK: ON

OFFHOOK: ON

FSK/DTMF

SA101

300V

D101

2

1

3

4

C1

250V1

R1

6.8K(1/2W)

C101

K680P(500V)

C102

K680P(500V)

D102

NC

C105

K0.015

R113

56

R114

15

Q108

R116

15K

C401

K0.1

Q401

R404

56

R403

3.9K

C403

K1000P

R402

4.7M

R401

10K

C104

K0.01

C402

220P

Q111

R303

1M

C115

K0.01

C108

K1000P

D554

D551

D553

D552

R108

470K

J101

Q102

R105

100K

Q104

R106

4.7K

R104

68K

Q103

C301

K0.1

C110

NC

R304

4.7M

L101

0

L102

0

IC301

1

VOUT

2

VDD

3

VSS

4

NC

5

NC

C303

K0.1

C103

K0.01

R111

NC

R110

NC

R109

NC

Q107

NC

Q106

NC

R103

470K

R162

NC

C161

NC

R164

NC

R165

NC

R161

0

Q181

R163

NC

C113

NC

NC

D105

TP101

POS101

TP102

R118

NC

IC302

1

VIN

2

VSS

3

NC

4

NC

5

VOUT

C556

NC

TP6

TP4

R807

100K

TP5

IC802

32K EEPROM

1

A0

2

A1

3

A2

4

VSS

5

SOA

6

SCK

7

WP

8

VCC

R808

100K

Q802

C812

K0.033

R811

100K

Q801

R812

100K

IC803

2.7V

VCC

VOUT

NC

GND

R814

100K

IC201

NC

1

2

3

4

GND

5

6

7

8

VCC

R916

56K

D915

NC

R922

R302

4.7M

R301

1M

R520

1M

R7

10K

22K

R2

R9

10K

PC1

1

23

4

IC2

1

L

2

GND

3

45

OUT

6

7

8

L

R6

1K

C9

0.01

K0.056

C3

SW1

1

4

3

2

RINGERP

RINGERM

NC

R8

JJ101

1

2

Ring

TIP

TP7

TP8

BATTP

J2

BATTM

J3

J4

J1

Q912

R923

100K

D104

18V

R121

4.7M

R122

3.3M

Q110

IN-USE

R123

1M

SW101

5

6

1

3

R107

100K

R561
3.3M

R563

3.3M

TP407

R564

22K

R565

22K

R918

NC

R917

NC

R551

27K

R552

27K

D106

Q105

C116

NC

R120

330K

C557
0.01U

R508

3.3M

R515

10K

D503

R511

1M

R507

330K

R512

100K

C508

K0.1

IC501

1

2

3

4

5

6

7

8

C507

K0.1

Q502

D501

C509

K0.1

Q501

R504

R503

150K

150K

R510

390K

R513

1M

R506

1.2K

R509

27K

C506

K2200P

R514

47K

D504

D502

R505

330K

R516

220K

C511

K820P

C510

K820P

C505

68P

D301

R501

180K

R502

180K

C512

1500P

C513

1500P

C502

0.01u(500V)

C501

0.01u(500V)

R562

NC

R566

NC

R567

NC

C106

16V47

C111

16V10

50V10

C2

C304

6.3V1000

C503
K0.01

C504

K0.01

R112

1.5K

R126

100K

R813

22K

PCB

R117

NC

C107

6.3V220

C202

NC

C305

K0.1

R201

NC

R206

NC

R205

NC

R208

NC

R207

NC

R203

NC

R202

NC

R204

NC

C201

NC

C203 NC

C204

NC

C205

NC

D202

NC

D203

NC

C302

6.3V1000

R119

220

D302

D103

3.9V

R115

1.2K

D303

D107

25V

L1

NC

L2

NC

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