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C116 2V R114 C114 T101 R111 L102 R105 L103 RLY101 C105 5V R121 5V R106 C108 CPC 5V R137 C136 R136 R139 C139 R138 2V R141 C133 Q103 R133 5V R591 Q510 SPMUTE C171
16 16

R112

C112

MODEM IC IC101-2
4 4

R116

CN102
4 3

61

60

LINEIN R576 C573 ON-MREN R119 C122 R123 PC102 R108
5 4 3

6

8

OF-MREN 5V

R117 R115 C115

C570

71

SPKRP

R575 R571

R573 C601 R566

32

31

C670 /BELL PC101 C125
3 3

R571

72

Q508 IC511 HSRXEN 5 R584 7
6

12V

C124

R124

IA

69

LINEOUT

C111

62

MICP MICM R118 2V Q101 C113 R104

R582 C577

9

IC509

T R

L104
4

C579

SPKRM R107 C142 R142 IC101-1
6 6

IC501

R574

L105 24V D103 Q102

3

R1 T1

C568 R572

TONE2 C584

R587

Q511 R568

R597

R586

R600 IC509

TONE2EN

C576

LINERLY

C580

R143

5V R131

R140 C140

4 1 3

IC505
1

IC509
7 7

1

2

C571 R132 R134 C134

R579

R585

C137

10

11

2

C138

IC509 12V

13

C572

R580

IC511

L110 L107 L108 L109 R149 C132 C131

2

HSMIC(+) HSMIC(-) HSSP(+) HSSP(-) CN104

R569

MDMTXEN

R583

Q524

C586

TONE1

TONE1EN

C581

R593

12

3

5V R171 IC102
1 CD 2 FC2 3 FC1 8
GND 7 VCC 6

CN105 1 SP(+) 2 SP(-)
4 5

HSTXMUTE C172

R172

R173

CN517 DIGITAL

CN101 ANALOG

KX-FP343CE : ANALOG BOARD BLOCK DIAGRAM