Panasonic KX-T7565X Скачать руководство пользователя

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HANDSET RECEPTION
HANDSET TRANSMISSION
HANDSET SIDETONE

SP-PHONE RECEPTION
SP-PHONE TRANSMISSION
OFF-HOOK MONITOR TRANSMISSION

D104

D101

D105

D103

D102

D106

D107

D100

R137 100K

C106

6.3V10

R106

Vss

R135

220K

C113 2200P

IC9

R28 33

C108

0.01

R110

8.2K

R112

2.2K

C137 0.033

R109

470K

C24

R100

R134

18K

R12
4.7K

R133

100

R107

100K

R139

30K

C22

15P

C30

0.1

C129 6.3V47

R130

12K

L13

MIC

C103

150P

0.022

560

C135

0.1

R119

270K

R143 2.7M

C26

C111

0.1

C17

0.1

IC4

R16

C115

0.047

R136

3.3

R116 3.9K

IC8

C148

0.1

IC7

RTX

TXI

TXD

TLI

TLO

TRL

RLD

MCI

MCO

CP1

N.C

CP2

XDI

SKG

SKO

V+

AGC

SKI

VCC

V-

XDC

VLC

ACF

N.C

RXO

RXI

PRX

R105

100K

R15
4.7K

R160

270K

R155

3.3M

STB

R103

4.7K

R120

220

R118

3.3K

R138

2.2M

CN1

DATA

R142 6.8K

R17

1.8K

R104

10K

16.384M

50V2.2

C109 0.1

R113

3.9K

C136

0.1

R140

75K

R10
12K

SCK

R141 1.5K

R11

20K

L6 33

C110

6.3V10

R6 4.7K

IC4

R129

1.8K

C29

C104

SW11

SW10

SW13

SW12

SW15

SW14

SW17

SW16

SW18

SW20

SW19

SW21

R145

5.6K

C25

0.01

C32

0.1

C31

0.1

C131

C132

R124

R147

12K

C140

0.1

R115 12K

C114 0.047

C133

0.068

R144 4.7K

R114 330K

C149

3300P

IC8

JK1

C3 68P

4.7K

C6 68P

R4 4.7K

4.7K

C19

0.1

C21

0.1

IC6

FC2

FC1

Vin

VO1

VCC

GND

VO2

C10

0.022

C105

6.3V10

C126

6.3V1000

R41

47K

R40

27K

SW2

2
3
4

IC8

R18 270

R19 56

IC8

R153

2.7K

IC8

R42

10K

C34

0.01

IC2

CVcc

PB6

PB7

ref

ONED

P87

P86

P85

P84

P83

P82

P81

P80

P77

P76

P75

P74

P73

P72

P71

P70

P67

P66

P65

P64

P63

P62

P61

P60

P57

P56

P55

P17

P16

P15

P14

P13

P12

P11

P10

P50

P51

P52

P53

P54

Vss

OSC2

OSC1

TEST

Vcc

RES

P20

SCK

SI1

SO1

P24

P25

P26

P27

R149

1.5K

4.7K

R161

39K

AG2

SP2- SP2+

SP1

AG1

C33

0.01

C150

C16

C20

IC3

PO+

PDI

PO-

RO-

VAG

BCLKR

BCLKT

MCLK

VSS

TI+

VDD

FST

FSR

MU/A

RO+

C116

0.1

R121

22K

C101

0.1

R102

4.7K

IC9

R43

100K

SW1

IC10

Vout

Vin 2

Vss

Q21

Q20

R126 120K

R125 220K

R128 27K

R127 56K

Q14

Q18

R123

2.2K

R132

100K

SW22

REDIAL

SW34

STORE

SW23

SP/MONITOR

SW24

MUTE

SW27

CO1

SW26

CO2

SW25

CO3

SW30

CO4

SW29

CO5

SW28

CO6

SW33

CO7

SW32

CO8

SW31

FLASH

SW35

TRANSFER

SW36

PROGRAM

SW39

SW38

SW37

INTERCOM

D108

D109

D110

C37

0.1

RA1

47K

Q10

Vdd

C35

R108

100

R23

+5VD

+5VA

+5VD

+5VA

SW40

HOLD

C145

C146

C127

4.7

C123

4.7

C130

4.7

IC9

R131

100K

R162

220K

C147

1000p

C139

1000P

+5VD

R60 1M

C117

IC1

IOR

INTRX

EP2

RESET

IOW

RXB

RXA

TXB

TXA

OSO

OSI

SXO

SR1

CK2M

SR0

VDD

GND

CSN

N.C

EP0

EP1

IP0

IP1

IP2

IP3

OP0

OP1

OP2

OP3

CK16M

CK512K

CK2K

INTTX

EP3

R56

220K

C14

180P

0.1

R51

1.2K

R58

1.2

+5VA

R53 4.7K

+5V

C38

50VZ0.01

R52 220

C15

6.3V220

R50

3.3K

R54

100K

IC5

OUT

GND

IN-

Vcc

Ipk

DrvC

+5VD

330

C12

50V100

C13

50VZ0.22

+5VA

R55

5.6K

R57

1.1K

R44

2.2K

R47

10K

R39

10K

R38

C23

39P

+5VD

Q200

R302

R301

15K

R303

220K

C302

50VZ0.1

R307

100K

R305

6.8K

Q13

Q15

Q19

Q16

Q12

Q11

+5VD

+5VA

C28

R998

Q999

L999

C994

+5VA

+5VD

C987

6.3V220

Q201

Q202

R304

470K

R306

220K

C301

50VZ0.22

R29 33

R30 33

R31 33

R32 33

R33 33

L7 33

L8 33

L9 33

L10 33

C100

0.022

R101

10K

C134

0.1

C121

0.1

C118

0.068

C120

0.1

C138 0.047

C119

0.022

C122

0.068

C112

0.033

R111

2.2K

R157

R117

2.2K

R45

560

R46

2.2K

RA2

47K

C995

47P

R25

270

R27

R26

IC4

1
2
13
14

C11

0.1

+5VD

C993

50V0.01

R24

C997

1000P

C900

C998

C988

C989

C990

C991

C992

R152

Q998

C300

R996

R300

R156

R151

R150

C151

C144

C141

C996

C143

C142

R997

47K

R154

330K

R900

100K

C107

6.3V100

C125

6.3V100

C124

6.3V100

C128

6.3V100

8MHz

R22

220

R122

22K

C102

27K

R148

0.033

L997

L998

C986

0.01

C999

0.01

C27

100P

L11

L12

R20 270

R21 56

R999

4.7K

R14

12K

R13
20K

P[64]

P[20]

P[17]

P[16]

P[73]

P[72]

P[71]

P[70]

P[65]

P[64]

P[63]

P[62]

P[61]

P[73]

P[60]

A[1]

A[2]

P[24]

P[50]

P[51]

P[52]

P[53]

P[54]

P[55]

P[56]

P[15]

P[20]

P[24]

P[25]

P[26]

P[25]

P[10]

P[11]

P[12]

P[61]

P[10]

P[11]

P[50]

P[51]

P[52]

P[53]

P[54]

P[55]

P[63]

P[70]

P[87]

P[86]

P[84]

P[85]

P[83]

P[82]

P[81]

P[80]

P[77]

P[76]

P[75]

P[74]

P[87]

P[86]

P[85]

P[84]

P[71]

P[72]

P[12]

P[13]

P[60]

P[13]

P[14]

P[15]

P[16]

P[17]

P[66]

P[14]

P[76]

P[77]

P[74]

P[75]

P[62]

P[56]

P[80]

P[81]

P[82]

P[83]

A[1]

A[2]

P[65]

CO8

CO4

CO3

CO7

CO6

CO2

CO5

ICM

MUTE

CO1

RINGER VOLUME

MUTE

RESET

4 BIT MICROCOMPUTER

HOOK SW

RECEPTION VOLUME
CONTROL

DTMF
(FOR DIAL)

POWER CIRCUIT

LED

LCD CONTRAST CONTROL

KEY SWITCH

MUTE

TRANSMISSION
LEVEL ADJUSTMENT

SP VOLUME
OPERATION CONTROL

LCD MODULE

Содержание KX-T7565X

Страница 1: ...rsion for Asia Middle East Near Latin America and Africa SPECIFICATIONS 2000 Kyushu Matsushita Electric Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 1 CAUTION Note When you mention the serial number write down all 11 digits The serial number may be found 1 ...

Страница 2: ...wing items when exchanging the LEDs Ref No D100 107 of Main Board 1 Do not reuse a LED which is removed from the P C Board 2 Use a soldering iron less than 15 W for exchanging LED 3 Do not heat the LED for more than 2 seconds 4 Do not move the LED after soldering 3 LOCATION OF CONTROLS 2 ...

Страница 3: ...4 DISASSEMBLY INSTRUCTION 4 1 HOW TO REMOVE THE LOWER CABINET Procedure 1 3 ...

Страница 4: ... 1 Remove the 5 screws A 2 Remove the lower cabinet 4 2 HOW TO REMOVE THE HOOK BUTTON Procedure 1 2 1 Remove the hook button 4 3 HOW TO REMOVE THE MAIN BOARDS Procedure 1 2 3 4 ...

Страница 5: ... 1 Remove the 6 screws A 2 Remove the main board speaker H S jack and mic 4 4 HOW TO REMOVE THE LCD BLOCK Procedure 1 2 3 4 1 Pull out the flat cable See Fig 1 2 Remove the LCD block See Fig 2 5 ...

Страница 6: ...5 IC DATA 5 1 IC1 6 ...

Страница 7: ...D01U 0 1 Serial Receive Data Stream 0 SR1 20 input 12 38k TTL high PT5D01U 0 1 Serial Receive Data Stream 1 SX 21 output CMOS 4 0mA high PC5O02 0 1 Serial Transmit Data Stream CK2M 18 output CMOS 4 0mA high PC5O02 2 1 Serial Stream Clock EP0 13 output CMOS 2 0mA high PC5O01 0 01 not used EP1 14 output CMOS 2 0mA high PC5O01 0 01 not used EP2 15 output CMOS 2 0mA high PC5O01 0 01 External Channel P...

Страница 8: ...IP3 30 input 12 38k CMOS high PC5D01U 0 01 not used OP0 23 output CMOS 4 0mA high PC5O02 0 01 LCD Vol control 1 OP1 24 output CMOS 4 0mA high PC5O02 0 01 LCD Vol control 2 OP2 25 output CMOS 4 0mA high PC5O02 0 01 not used OP3 26 output CMOS 4 0mA high PC5O02 0 01 not used CK2K 22 output CMOS 4 0mA high PC5O02 0 2 not used CK16M 36 output CMOS 2 0mA high PC5O01 16 4 Master Clock Out OSI 33 input A...

Страница 9: ...9 ...

Страница 10: ...Interrupt request from G A IC1 P16 18 Input Interrupt request from G A IC1 P15 19 Output Reset terminal of G A IC1 Active Hi P14 20 Output KEY communication output 1 P13 21 Output KEY communication output 2 P12 22 Output KEY communication output 3 P11 23 Output KEY communication output 4 P10 24 Output KEY communication output 5 P50 28 Input KEY communication input 0 P51 29 Input KEY communication ...

Страница 11: ... Control 1 P85 57 Output SP Phone vol Control 2 P86 58 Output SP Phone vol Control 3 P87 59 Output SP Phone vol Control 4 AN7 61 Input Select Model Area cord AN6 62 Input Select Ringer position 6 HOW TO REPLACE THE FLAT PACKAGE IC If you do not have the special tools for example SPOT HEATER to remove the SPOT HEATER S Flat IC If you have solder large amount a soldering iron and a cutter knife you ...

Страница 12: ...large quantities of solder as in step 1 the P C board pattern may be removed 2 Using a cutter cut the lead at the source Cut the contents with the cutter lightly 5 or 6 times 3 Remove when the solder melts Remove the lead at the same time After removing the Flat IC and when attaching the new IC remove any of the excess solder on the land using the soldering wire etc If the excess solder is not rem...

Страница 13: ... flux for all pins of FLAT PACKAGE IC 3 Solder using the specified solder in the direction of the arrow by sliding the soldering iron 6 4 BRIDGE MODIFICATION PROCEDURE 1 Lightly re solder the bridged portion 2 Remove the remaining solder along pins using a soldering iron as shown in the figure below 7 BLOCK DIAGRAM 8 CIRCUIT OPERATIONS 8 1 KEY INPUT CONTROL CIRCUIT 1 CIRCUIT OPERATION 13 ...

Страница 14: ...If a key is pressed the key in information input is executed by portS P50 to P56 8 2 LCD CONTROL CIRCUIT 1 CIRCUIT OPERATION The LCD data is output from pins 12 of IC2 LCD contrast adjustment is performed by the circuit composed of Q10 R44 R45 R46 and R47 The contrast is determined only by the voltage level between pin 4 of CN1 and 5 V Higher potential makes the contrast high 14 ...

Страница 15: ...tus indicators and control is executed by the output ports C0 to C4 column and R0 R1 R4 R5 row of IC1 A fixed pulse T 1 5 msec is output continuously from IC1 This pulse is counted and the output of IC1 is shifted sequentially from C0 to C4 R0 to R5 of IC1 also output pulses and the lighting of the LED is controlled by the timing of the output ports C0 to C4 15 ...

Страница 16: ...ommunication circuit serves the following functions Information exchanger between the DSHS and DSHS proprietary telephone key input information as well as data for the LED control LCD control etc This information is continuously exchanged at all times 16 ...

Страница 17: ...ll return to the DSHS an acknowledge signal 3 RECEPTION The data from the EMSS is received via the H and L lines along the path shown below 4 TRANSMISSION The data to the EMSS proprietary telephone is transmitted along the following path 8 5 RESET CIRCUIT 1 CIRCUIT OPERATION This circuit is used for transmission of a reset pulse to the CPU IC2 at the following times connecting the telephone line j...

Страница 18: ...8 6 TONE GENERATION CIRCUIT 1 FUNCTION All system tones including COL extension busy DTMF signal and key in tones are sent from Pins 60 of IC2 and controls the path by the Analog Switch IC8 18 ...

Страница 19: ...nsion the single row tone signal is output from Pin 60 of IC2 and the tone volume is controlled by transistors Q999 Ringer Volume Control Level OFF LOW HIGH Q999 OFF ON OFF CAUTION It is ON with ringer sound and it is OFF with no ringer sound regardless of the ringer volume 19 ...

Страница 20: ... 941 Hz 0 5 KEY IN TONE An 852 Hz single tone is used as the key in tone A tone is generated from IC7 and is heard at the speaker The signal flow is shown below CONDITION IC8 SWA IC8 SWB IC8 SWC IC8 SWD Ringing OFF OFF OFF ON Call Waiting OFF OFF ON OFF Tone Dial Handset ON ON OFF OFF Tone Dial Speakerphone ON OFF ON OFF 8 7 HANDSET CIRCUIT 1 TRANSMISSION SIGNAL PATH The analog input signal for th...

Страница 21: ...trol The circuit analyzes whether the Tx transmit or Rx receive signal is louder and then it processes the signals so that the louder signal is given precedence The Voice Detector provides a DC input to the Attenuator Control corresponding to the Tx signal The Comparator receives a Tx and Rx signal and supplies DC input to the Attenuator Control corresponding to the Rx signal The Attenuator Contro...

Страница 22: ...ontrol through Pin 24 of IC8 and automatically adjusts the volume for changing ambient conditions 7 TRANSMISSION SIGNAL PATH The input signal from the microphone is sent through the circuit via the following path 8 RECEPTION SIGNAL PATH Signals received from the telephone line are output to the speaker via the following path 9 OFF HOOK MONITOR CIRCUIT The input signal from the handset microphone i...

Страница 23: ...9 2 THE ELECTRONIC VOLUME OF THE SPEAKER PHONE DOES NOT WORK 9 3 THE ELECTRONIC VOLUME OF THE HANDSET DOES NOT WORK 23 ...

Страница 24: ...9 4 SPEAKER PHONE TROUBLE 9 5 TONE DIAL TROUBLE 9 6 HANDSET TROUBLE 24 ...

Страница 25: ...10 WAVEFORM 11 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 25 ...

Страница 26: ...12 CABINET AND ELECTRICAL PARTS LOCATION 26 ...

Страница 27: ...13 ACCESSORIES AND PACKING MATERIALS 27 ...

Страница 28: ...ssembly in production the item will continue to be available for a specific period of time The retention period of availability depends on the type of assembly and the laws governing parts and product retention At the end of this period the assembly will no longer be available 2 Important safety notice Components identified by the mark indicates special characteristics important for safety When 28...

Страница 29: ...ITE VERSION S 2 PQKE10070Z1 HANGER BLACK VERSION S 3 PSGD1056Z CARD TEL 4 PSHR1223Z COVER TEL CARD 5 PSSX1017Z1 KEY SWITCH WHITE VERSION S 5 PSSX1017Z2 KEY SWITCH BLACK VERSION S 6 PSBX1084Z1 BUTTON CO KEY WHITE VERSION S 6 PSBX1084Z2 BUTTON CO KEY BLACK VERSION S 7 PSBH1004Z1 BUTTON HOOK WHITE VERSION S 7 PSBH1004Z2 BUTTON HOOK BLACK VERSION S 8 PSYF1033Z1 CABINET LOWER WHITE VERSION S 8 PSYF1033...

Страница 30: ...L ICS IC1 PSVIBU65050D IC IC2 PSVI3622SA21 IC IC3 PQVIMC45503W IC S IC4 PQVINJM319V IC IC5 PQVIMC34063M IC IC7 PQVISC77655V IC IC8 PSVICD4066BS IC IC9 PSVICD4066BS IC IC10 PSVIXC614602 IC TRANSISTORS Q1 PSVTUMS1NTR TRANSISTOR SI Q3 2SA1900 TRANSISTOR SI Q4 PSVTUMB4NTN TRANSISTOR SI Q5 PSVTUMA7NTR TRANSISTOR SI Q6 PSVTUMA7NTR TRANSISTOR SI Q7 PSVTUMG11NTR TRANSISTOR SI Q8 PSVTUMG11NTR TRANSISTOR SI...

Страница 31: ...LT COIL L4 ELC09D331F COIL L5 PQLQR1RM601 COIL L11 PQLQR1LT COIL L12 PQLQR1LT COIL L13 PQLQR1LT COIL COMPONENTS COMBINATION RA1 EXB38V473JV RESISTOR ARRAY 47K RA2 EXB38V473JV RESISTOR ARRAY 47K CRYSTAL OSCILLATORS X1 PQVBCST8 00M CRYSTAL OSCILLATOR X2 PSVCC0052C CRYSTAL OSCILLATOR JACKS JK1 PSJJ1T020Z JACK SOCKET W002 PQJJ1TB2T JACK HANDSET S SWITCHS SW1 ESE14A211C SWITCH HOOK SW2 PQSS3B101Z SWITC...

Страница 32: ...RJ3GEYJ271 270 R26 ERJ3GEYJ680 68 R27 ERJ3GEYJ330 33 R28 ERJ3GEYJ330 33 R29 ERJ3GEYJ330 33 R30 ERJ3GEYJ330 33 R31 ERJ3GEYJ330 33 R32 ERJ3GEYJ330 33 R33 ERJ3GEYJ330 33 R39 ERJ3GEYJ103 10K R40 ERJ3GEYJ273 27K R41 ERJ3GEYJ473 47K R42 ERJ3GEYJ103 10K R43 ERJ3GEYJ104 100K R44 ERJ3GEYJ222 2 2K R45 ERJ3GEYJ561 560 R46 ERJ3GEYJ222 2 2K R47 ERJ3GEYJ103 10K R50 ERJ3GEYJ332 3 3K R51 PQ4R10XJ122 1 2K S R52 ER...

Страница 33: ...3GEYJ124 120K R127 ERJ3GEYJ563 56K R128 ERJ3GEYJ273 27K R129 ERJ3GEYJ182 1 8K R130 ERJ3GEYJ123 12K R131 ERJ3GEYJ104 100K R132 ERJ3GEYJ104 100K R133 ERJ3GEYJ101 100 R134 ERJ3GEYJ183 18K R135 ERJ3GEYJ224 220K R136 PQ4R18XJ3R3 3 3 S R137 ERJ3GEYJ104 100K R138 ERJ3GEYJ225 2 2M R139 ERJ3GEYJ303 30K R140 ERJ3GEYJ753 75K R141 ERJ3GEYJ152 1 5K R142 ERJ3GEYJ682 6 8K R143 ERJ3GEYJ275 2 7M R144 ERJ3GEYJ472 4...

Страница 34: ...4KBV 0 1 S C19 ECUV1C104KBV 0 1 S C21 ECUV1C104KBV 0 1 S C22 ECUV1H150JCV 15P C23 ECUV1H390JCV 39P C25 ECUV1H103KFV 0 01 S C27 ECUV1H101JCV 100P C30 ECUV1C104KBV 0 1 S C31 ECUV1C104KBV 0 1 S C32 ECUV1C104KBV 0 1 S C33 ECUV1H103KFV 0 01 S C34 ECUV1H103KFV 0 01 S C37 ECUV1C104KBV 0 1 S C38 ECUV1H103KFV 0 01 S C100 ECUV1H223KBV 0 022 S C101 ECUV1C104KBV 0 1 C103 ECUV1H151JCV 150P C105 ECST0JY106 10 C...

Страница 35: ...6 ECUV1C104KBV 0 1 C137 ECUV1C333KDV 0 033 S C138 ECUV1C473KBV 0 047 C139 ECUV1H102KBV 0 001 C140 ECUV1C104KBV 0 1 C147 ECUV1H102KBV 0 001 C148 ECUV1C104KBV 0 1 C149 ECUV1H332KBV 0 0033 C301 PQCUV1H224ZF 0 22 C302 ECUV1H104ZFV 0 1 C986 ECUV1H103KFV 0 01 S C987 ECEV0JA221WP 220 C993 ECUV1H103KFV 0 01 S C995 ECUV1H470JCV 47P C997 ECUV1H102KBV 0 001 C999 ECUV1H103KFV 0 01 S OTHERS E1 PSADLMG161S3 LIQ...

Страница 36: ...EP2 9 KEY INPUT KEY ON 13 INT RX INT TX 10 KEY SIGNAL 14 A0 A1 IOR IOW 11 16 384MHz 15 D0 D1 D2 D3 12 8MHz 16 ...

Страница 37: ... INTERCOM E5 D108 D109 D110 B5 C37 0 1 RA1 47K 5 6 7 8 Q10 1 4 3 2 5 4 Vo 5 Vdd NC C35 DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG DG R108 100 R23 0 5VD 5VD 5VD 5VD 5VD 5VD 5VD 5VD 5VA 5VD 5VD 5VD 5VD 5VD 5VA 5VA 5VA 5VA G1 G2 AG AG AG AG AG AG AG AG AG AG AG AG AG AG AG SW40 HOLD NC C4 NC C7 NC C145 NC C146 AG AG C127 4 7 C123 4 7 C130 4 7 AG IC9 8 9 6 IC9 10 11 12 ...

Страница 38: ...104 D105 D106 D107 D100 D101 D102 D103 PROGRAM TRANSFER 3 2 1 6 5 4 9 8 7 SW36 SW39 SW38 SW37 D108 SW35 STORE INTERCOM SW34 FLASH SW31 SW18 SW20 SW21 SW16 SW17 SW19 SW13 SW15 SW14 SP PHONE MUTE 0 SW12 SW23 SW10 HOLD REDIAL SW40 SW11 SW22 R47 R44 C37 R41 R40 ...

Страница 39: ...C32 C995 R60 C31 C300 R39 C21 Q6 C127 C119 R130 R997 C125 IC6 1 8 5 4 C142 C143 C134 R140 C135 C137 C136 R141 R138 C131 R142 C138 R143 C132 C130 C148 R100 R157 R107 C112 R116 C151 R156 R151 C144 R300 R124 R150 C105 20 11 1 10 R148 R102 C102 C987 R105 R999 C28 C27 R25 R27 C29 R26 Q10 R45 R46 C990 C103 IC3 R101 C102 R149 C100 C101 C26 R24 R29 R28 C988 R136 C141 R123 R103 R104 C104 C999 C30 R998 SP S...

Страница 40: ...SP PHONE VOLUME 5V 5V 5V 5V 5V SW1 HOOK SW 5V MICROPHONE Q10 RESET IC5 Q3 Q4 D2 D1 Power control circuit Q200 Q201 Q202 T1 RXA RXB TXA TXB X2 RX TX CK2M SYNC IC10 R0 R1 R4 R5 C0 C4 D0 D3 A0 A1 IOR IOW INTRX INTTX OP0 OP1 X1 CLK DATA E 5V DTMF generator Q14 Q15 Q20 Q21 IC8 Tone control IC9 Side tone control IC9 Off hook monitor control SW2 Ringer SW Q999 Ringer vol control Q18 W OHCA control CN1 JK...

Страница 41: ...TX DATA TRANSFER 1 LED CONTROL DATA 5 RX DATA TRANSFER 2 RX VOICE SERIAL DATA VOICE DATA ON 6 H L DATA 3 TX VOICE SERIAL DATA VOICE DATA ON 7 LED COTROL DATA 4 CK2M 8 ...

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