Panasonic KX-TGA631CS, Service Manual

22

KX-TG6323CPK/KX-TGA631CS

7.5.

Schematic Diagram (Handset_Main)

10k

R534

NC

R546

NC

C546

NC

R547

K0.01

C512

NC

*C562

NC

R540

NC

R525

10k

R541

K0.1

C504

K0.1

C596

K0.1

C515

K0.1

C541

NC

C525

K0.1

C506

K0.1

C540

K0.1

C386

J100P

C542

4.7k

RA501

1

2

3

45

6

7

8

BCLK

TX_DATA

SLOT_CTRL

RADIO_EN

RF_RSTN

SYN_CLK

SYN_DATA

SYN_EN

SYN_OUT

V_PA

V_RF

R573 820K (1%)

R572 430K

(1%)

TCK

TDI
TDO

TXO

RST

RXI

BCLK

NC

C519

TMS

C573 K0.1

C572

K0.47

C514

10uF

6.3V

D10P

C502

D10P

C501

NC

C563

NC

*C564

1

VIN

2

C+

3

C-

4

ON/*OFF

5

GND

6

V

OUT

NC

R560

NC

1

SI

2

SCK

3

*RESET

4

*CS

5

*WP

6

VCC

7

GND

8

SO

CI

RF_POWER

RX_DATA

TX_EN

Q543

B

C

E

TE

NC

*R564

NC

C577

NC

C576

NC

C575

NC

C574

K0.47

C

570

K0.47

C

571

Q561

100

R561

*Q562

*Q563

*RA551

330

1

2

3

45

6

7

8

NC

R510

K1.0

C510

UP

FLASH

HOLD

MENU

LEFT

RIGHT

DOWN

BACK

NEXT

SYA

*

1

5

9

2

6

0

3

7

4

8

SP

TALK

PAUSE

OFF

NC

C511

CN3

9

CN3

1

CN3

16

CN3

3

CN3

10

CN3

17

CN3

4

CN3

11

CN3

18

CN3

5

CN3

12

CN3

19

CN3

6

CN3

20

CN3

13

CN3

21

CN3

7

CN3

22

CN3

14

CN3

8

CN3

15

CN3

2

*RA552

220

1

2

3

45

6

7

8

LED561

D386

NC

13.824MHz

X501

*LED551

*LED552

*LED553

*LED554

*LED555

NC

*LED556

*LED557

2.2k

R542

NC

*C565

10p

C533

10p

C532

NC

C534

ANT1_HOT2

ANT2
ANT1_GND
ANT2_GND

ANT1_a

ANT1_b

ANT2

ANT1_HOT4

ANT1_HOT1

ANT1_HOT3

EEPR

OM-16K

1

A0

2

A1

3

A2

4

VSS

5

SD

A

6

SCL

7

WP

8

VCC

1M

R501

4

NC1

5

XIN

6

XOUT

7

VDD

8

VCCIN

9

GND2

10

GND3

11

GND4

12

GND5

13

RST

14

FL_RST

15

FL_DO

16

FL_DI

17

FL_CS

18

BL_LED

19

SYN_OUT

20

TX_D

A

TA

21

SLO

T_CTRL

22

NC2

29

VCC1

30

SYN_EN

31

SYN_CLK

32

SYN_DATA

33

NC4

34

TX_EN

35

NC5

36

RX_DATA

37

NC6

38

CHG_DET

39

NC7

40

LCD_BACK_LIGHT

41

NC8

42

CHG_CTL

43

NC9

44

DB4

45

DB5

46

DB6

47

DB7

54

NC11

55

ANT_LED

56

LCD_RS

57

R

W_WR

58

E_RD

59

LCDPO

W

60

NC12

61

NC13

62

NC14

63

STB_E

64

STB_D

65

STB_C

66

STB_B

67

STB_A

68

GND8

69

VCC3

70

TCK

71

TMS

72

TDI

79

FB1

80

FB2

81

EE_SCL

82

EE_SDA

83

UART_TX

84

UART_RX

85

EE_WP

86

GND9

87

PDN

88

IBAT1

89

VREF

90

MIP

91

MIM

92

MICBIAS

93

GND10

94

VCCA

95

HSM

96

IBAT2

97

SPP1

1

GND1

2

SPP2

3

BCLK

23

RF_PO

WER

24

NC3

25

RF_RSTN

26

RADIO_EN

27

HEAD_DET

28

GND6

48

GND7

49

VCC2

50

RESETB

51

FL_CLK

52

CI

53

NC10

73

TDO

74

KIN_1

75

KIN_2

76

KIN_3

77

KIN_4

78

KIN_5

98

SPN

99

VCC4

100

SPPN

STB_C

STB_D

KIN_5

KIN_1

KIN_4

SYN_OUT

SLOT_CTRL

SYN_DATA

SYN_EN

SYN_CLK

TX_DATA

KIN_2

STB_A

LCD_RS

RW

_

W

R

E_RD

STB_D

STB_C

STB_B

STB_A

KIN_1

KIN_2

STB_E

KIN_5

KIN_4

KIN_3

DB7

DB6

DB5

DB4

SYN_EN
SYN_CLK
SYN_DATA

RX_DATA

RESETB

T

X

_

D

ATA

SLO

T_CTRL

STB_B

KIN_3

STB_E

RF_RSTN

RF_PO

WER

RF_POWER

RX_DATA

SYN_OUT

RESETB

DB4

DB5

DB6

DB7

E_RD

RW

_

W

R

LCD_RS

RF_RSTN

White_LED

LCD_BACKLIGHT

KEY_BACKLIGHT

(Amber)

LCD_BACKLIGHT

(Amber)

ANT_LED

(Amber)

Top Vie

w

*IC501

RF circuit

RF control line

Flash memory for booting

DSP Part (control circuit)

Parameter saving EEPROM

Charge pump for 
LCD back light

*IC561

IC546

IC541

EEPROM 
Writing 
protection TR

(1)

(2)

(3)

(4)

(5)

(7)

(6)

(8)

(9)

(10)

(11)

3.1V

3.1V

3.1V

NC: No Components