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© 2008 Panasonic Communications Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.

ORDER NO. KMS0804481CE

Proprietary Telephone

Model No.

KX-T7730CA

(for Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan

and Turkmenistan)

Содержание KX-T7730CA

Страница 1: ...cations Co Ltd All rights reserved Unauthorized copying and distribu tion is a violation of law ORDER NO KMS0804481CE Proprietary Telephone Model No KX T7730CA for Kazakhstan Uzbekistan Kyrgyzstan Tajikistan and Turkmenistan ...

Страница 2: ...7 4 TONE Dial Trouble 17 7 5 The Electronic Volume of the Speaker Phone Does Not Work 18 7 6 The Electronic Volume of Handset Does Not Work18 8 Disassembly and Assembly Instructions 19 9 Miscellaneous 21 9 1 Terminal Guide of ICs Transistors and Diodes 21 9 2 How To Replace a Flat Package IC 22 9 3 Memo 23 10 Schematic Diagram 24 11 Printed Circuit Board 26 11 1 Component View 26 11 2 Bottom View ...

Страница 3: ...s which is made from Tin Sn Silver Ag and Copper Cu This model and others like it manufactured using lead free solder will have PbF stamped on the PCB For service and repair work we suggest using the same type of solder Caution PbF solder has a melting point that is 50 70 F 30 40 C higher than Pb solder Please use a soldering iron with tempera ture control and adjust it to 700 20 F 370 10 C Exerci...

Страница 4: ...tion Station Loop Limit 40 ohms Cabling Method 2 pair wire Jacks Handset Jack TEL Jack Headset Jack Display 16 digits max Dimensions 183 mm W x 107 mm H x218 mm D with handset Low Angle 183 mm W x 130 mm H x 207 mm D with handset High Angle Weight 0 8 kg ...

Страница 5: ...OR IC7 SIGNAL TRANSMITTING CIRCUIT Q101 SIGNAL RECEIVING CIRCUIT Q102 FF IC2 RESET IC IC9 Vcc CPU IC1 X1 DRIVING CIRCUIT Q103 Q104 LED LCD KEY LCD Module RINGER DTMF SPEAKER MIC HEADSET HANDSET SP PHONE IC3 Handset Amp Q5 Q8 Pre Amp Q4 HYBRID CIRCUIT Q3 DIODE BRIDGE D1 DIODE BRIDGE D2 T1 KX T7730CA MAIN BOARD ...

Страница 6: ...EY Input Control Circuit Sequential input information is executed by dynamic scanning The ports R20 R23 R30 R31 of IC1 are brought to high status consecutively If a key is pressed the key in information input is executed by ports R00 R03 R10 R13 ...

Страница 7: ...7 KX T7730CA 4 2 2 LED Circuit Circuit Operation The LED executes dynamic lighting for the status indicators and control is executed by the output ports R20 R23 R60 R63 R70 R73 ...

Страница 8: ...ation When the proprietary telephone receives an IRQ signal from the PBX and after sending the key input information 19 pulses to the PBX and receiving data 47 pulses for the LED control etc the proprietary telephone will return to the PBX an acknowl edge signal 1 Reception The data from the PBX is received via the H and L lines along the path shown below H L Line D2 T2 R106 Q102 IC2 IC1 Pin 18 2 ...

Страница 9: ...tion For an output of a single row tone the row terminal and the each column terminals intersecting with it are required to be brought a low state For a dual tone output one row terminal and one column terminal are brought to low state CONDITION IC1 pin52 IC5 SWA IC1 pin53 IC5 SWB IC1 pin54 IC5 SWC IC1 pin55 IC5 SWD Ringing L OFF L OFF L OFF H ON Call Waiting L OFF L OFF H ON L OFF Tone Dial Hands...

Страница 10: ...phone line via the following path Handset MIC JK2 JK3 C24 R26 C34 Q5 C21 R21 Q3 C4 T1 C3 Q1 D1 Telephone Line 2 Reception Signal Path The input signal from the telephone line is sent to the receiver through the following path Telephone Line D1 Q1 C3 T1 C4 Q3 R10 C8 R12 Q4 C26 R32 IC10 C32 R34 C27 R208 Q8 C31 JK3 JK2 Handset Speaker ...

Страница 11: ...he level of the volume control to automatically adjust the volume for changing ambient con ditions 1 Control Signal Path Control signal for transmission and reception are input to IC3 via the following path Transmission Control Signal Path MIC CN2 IC3 Pin 9 IC3 Pin 10 IC3 Pin 3 IC3 Pin 4 IC3 Pin 5 Reception Control Signal Path Telephone Line Q3 Q4 IC3 Pin 7 2 Transmission Reception Switching The c...

Страница 12: ...12 KX T7730CA ...

Страница 13: ...13 KX T7730CA 5 Location of Controls and Components ...

Страница 14: ...14 KX T7730CA 6 Installation Instructions 6 1 Connection Caution Ensure the cord is inserted in the groove to prevent damage to the connector ...

Страница 15: ...15 KX T7730CA 7 Troubleshooting Guide 7 1 No Operation ...

Страница 16: ...16 KX T7730CA 7 2 Handset Trouble ...

Страница 17: ...17 KX T7730CA 7 3 Speaker Phone Trouble 7 4 TONE Dial Trouble ...

Страница 18: ...18 KX T7730CA 7 5 The Electronic Volume of the Speaker Phone Does Not Work 7 6 The Electronic Volume of Handset Does Not Work ...

Страница 19: ...19 KX T7730CA 8 Disassembly and Assembly Instructions 1 Remove the Stand 2 Remove 4 Screws A 3 Remove the Bottom Cabinet 4 Remove the Flat Cable from the Main Board ...

Страница 20: ... T7730CA 5 Remove 5 Screws A 6 Remove the Main Board from the Top Cabinet 7 Remove the Cable from the Main Board 8 Remove the LCD Holder by sliding the Hook in the direction of the arrow from the Main Board ...

Страница 21: ...21 KX T7730CA 9 Miscellaneous 9 1 Terminal Guide of ICs Transistors and Diodes ...

Страница 22: ...rd when cutting the pins with a cutter 2 Make a few cuts into the joint between the IC and its pins first and then cut off the pins thoroughly 3 While the solder melts remove it together with the IC pins When you attach a new IC to the board remove all solder left on the land with some tools like a soldering wire If some solder is left at the joint on the board the new IC will not be attached prop...

Страница 23: ...23 KX T7730CA 9 3 Memo ...

Страница 24: ... A4 A5 A6 A7 A8 A9 B1 B2 B3 B4 B5 B6 B7 B8 E4 E3 E2 E1 E5 E6 G2 G1 AG 1 M3 AG2 SP SP SW51 PROGRAM SW1 3 4 2 1 SW13 CO10 CN6 1 2 R141 NC CN4 1 2 CN5 1 2 R140 56 D11 M W AG A5V Q7 Q18 Q104 1 6 2 Q104 4 3 5 Q103 1 6 2 Q103 4 3 5 C84 0 01 R84 680K R44 4 7K C49 0 033 AG R89 100K Q12 1 4 3 2 5 A5V R73 100K SW52 HOOK CN8 8 7 5 4 9 6 CN7 2 3 5 6 1 4 CN8 2 1 3 CN7 8 9 7 AG AG K2 K1 M1 SP1 M2 SP2 N3 N2 N4 N...

Страница 25: ...5V DG R126 560 Q109 1 4 3 2 5 R127 2 2K DG R125 2 2K R128 10K IC9 RESET 1 Vin 2 GND 4 NC 3 R6 680 C4 2 2 C41 0 1 A5V C85 Z0 01 IC5 7 14 R39 47K R40 47K DG DG DG AG AG AG AG AG AG AG AG AG AG AG AG AG AG AG AG AG DG H T R L C34 0 1 CN1 DATA RW 6 STB RS 4 SCK E 5 Vdd 2 Vo 3 Vss 1 DB7 10 DB6 9 DB5 8 DB4 7 NC C11 NC C10 AG R123 0 R124 0 IC7 1 I 3 O 2 B D5 D5V 6V C204 Z0 1 DG D5V 6V D5V Vref CC DET IC1...

Страница 26: ...9 R99 D3 C95 C1 IC6 1 4 5 8 IC1 48 K2 49 64 33 32 E6 17 16 1 Q104 R131 R132 R133 R134 R135 R136 Q108 Q107 Q106 Q105 R152 R127 R126 Q20 PC1 R101 D2 C101 R102 R23 C207 C208 C213 C214 R24 R19 C24 R74 J2 J3 SP2 Q6 Q12 R40 C84 C203 C205 C206 C204 Q101 IC2 R104 R108 C105 C109 R121 R155 X1 C107 R154 R103 R105 R89 R78 C54 C53 R83 R86 R61 R56 C74 C75 C76 R63 C73 R62 R64 C72 CN3 2 1 R27 C94 R97 R100 C92 R93...

Страница 27: ...SW44 SW37 SW29 SW31 HOOK SW INTERCOM CONF SW30 SW32 SW16 R90 SW1 HIGH LOW OFF SW22 SW40 SW34 SW28 FWD DND SW36 SW38 PAUSE TRANSFER AUTO DIAL AUTO ANS MUTE STORE FLASH SW51 PROGRAM SW35 SW13 SW14 SW17 SW18 SW19 SW20 SW23 SW24 SW25 SW26 MESSAGE 1 4 SW15 SW33 CN8 1 9 SW41 7 SW21 SW39 SW42 SW45 8 SW27 9 0 HOLD REDIAL SP PHONE 5 6 SW46 2 3 SW43 D13 D11 SW49 SW47 SW50 SW48 4 3 2 1 KX T7730CA MAIN BOARD ...

Страница 28: ...on CS 15 D9 I O I HOLD Key L Key press 16 D10 I O O DO 17 D11 I O O DCLR 18 D12 I I DI 19 D13 I I DI_INT 20 R00 I O I KEY IN0 21 R01 I O I KEY IN1 22 R02 I O I KEY IN2 23 R03 I O I KEY IN3 24 R10 I O I KEY IN4 25 R11 I O I KEY IN5 26 R12 I O I KEY IN6 27 R13 I O I Hook SW 28 R20 I O O KEY LED COM0 29 R21 I O O KEY LED COM1 30 R22 I O O KEY LED COM2 31 R23 I O O KEY LED COM3 32 R30 I O I O KEY COM4...

Страница 29: ...3 I O O HF SP vol 4 52 R90 I O O Tone cont 1 53 R91 I O O Tone cont 2 54 R92 I O O Tone cont 3 55 R93 I O O Tone cont 4 56 RA0 I O O HS SP vol 1 57 RA1 I O O HS SP vol 2 58 SEL I I A Four minute Cycle Vcc Connection 59 VCC 60 TONC O O DTMF Column 61 TONR O O DTMF Row 62 VTref DTMF Standard Power 63 RD0 I I Head Set Detention 64 RD1 I I TONE DET Pin No Terminal Name I O Function I O Setting Descrip...

Страница 30: ...30 KX T7730CA 13 2 Cabinet and Electrical Parts Location ...

Страница 31: ...31 KX T7730CA 13 3 Accessories and Packing Materials ...

Страница 32: ...TTON HOOK PC ABS 94HB 11 PSHG1122Z RUBBER PARTS MIC COVER 12 L0CBAB000065 MICROPHONE 13 PSBX1102Z1 BUTTON SP PHONE ABS 94HB 14 PSBX1103Z1 BUTTON DIAL ABS 94HB 15 PSBX1101Z1 BUTTON FUNCTION ABS 94HB 16 PSBX1100X1 BUTTON CO ABS 94HB 17 PSBC1032Z1 BUTTON CURSOR ABS 94HB 18 PSSX1022Z KEYBOARD SWITCH 19 PSBD1013Z1 KNOB MODE ABS 94HB 20 PSJE1028Y FLAT CABLE 21 PSGP1089Z1 PANEL LCD PC 94VTM 2 22 PSYF1041...

Страница 33: ...CAPACITORS C2 F2G1C1000014 10 Ref No Part No Part Name Description Remarks C3 F2G1C2200012 22 C4 PQCUV1A225ZF 2 2 S C6 ECUV1H102KBV 0 001 C7 ECUV1H821KBV 820p C8 ECUV1A224KBV 0 22 C9 EEE0JA221WP 220 S C12 ECUV1H153KBV 0 015 C14 ECUV1C473KBV 0 047 C21 ECUV1C104KBV 0 1 C22 ECUV1H103KBV 0 01 C23 ECUV1H153KBV 0 015 C24 ECUV1C104KBV 0 1 C25 F1J0J1060006 10 C26 ECUV1C104KBV 0 1 C27 ECUV1C104KBV 0 1 C28 ...

Страница 34: ...EYJ123 12k R60 ERJ3GEYJ152 1 5k R61 ERJ3GEY0R00 0 R67 ERJ3GEYJ224 220k R68 ERJ3GEYJ124 120k R69 ERJ3GEYJ563 56k R70 ERJ3GEYJ273 27k R71 ERJ3GEYJ473 47k R72 ERJ3GEYJ473 47k R73 ERJ3GEYJ104 100k R74 ERJ3GEYJ562 5 6k Ref No Part No Part Name Description Remarks R76 ERJ3GEYJ683 68k R77 ERJ3GEYJ393 39k R78 ERJ3GEYJ473 47k R79 ERJ3GEYJ393 39k R80 ERJ3GEYJ473 47k R81 ERJ3GEYJ153 15k R82 ERJ3GEYJ472 4 7k ...

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