Panasonic KX-TS620BXB Service Manual
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Panasonic KX-TS620BXB Service Manual

Panasonic KX-TS620BXB Service Manual

Telephone answering system
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Telephone Equipment
KX-TS620BXB
KX-TS620BXW
Telephone Answering System
Black Version
White Version
(for Asia, Middle Near East and Other areas)
© 2006 Panasonic Communications Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
ORDER NO. KM40605055CE

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Summary of Contents for Panasonic KX-TS620BXB

  • Page 1 ORDER NO. KM40605055CE Telephone Equipment KX-TS620BXB KX-TS620BXW Telephone Answering System Black Version White Version (for Asia, Middle Near East and Other areas) © 2006 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribu- tion is a violation of law.
  • Page 2 KX-TS620BXB/KX-TS620BXW...

  • Page 3: Table Of Contents

    KX-TS620BXB/KX-TS620BXW TABLE OF CONTENTS PAGE PAGE 1 Safety Precaution ------------------------------------------------ 4 1.1. For Service Technicians --------------------------------- 4 2 Warning -------------------------------------------------------------- 4 2.1. Battery Caution--------------------------------------------- 4 2.2. About Lead Free Solder (Pbf: Pb free)--------------- 4 3 Specifications ----------------------------------------------------- 6 4 Technical Descriptions ----------------------------------------- 7 4.1.

  • Page 4: Safety Precaution

    KX-TS620BXB/KX-TS620BXW 1 Safety Precaution 1.1. For Service Technicians ICs and LSIs are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1. Cover the plastic parts boxes with aluminum foil. 2. Ground the soldering irons.
  • Page 5 KX-TS620BXB/KX-TS620BXW 2.2.1. Suggested PbF Solder There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper (Sn+Ag+Cu), you can also use Tin and Copper (Sn+Cu) or Tin, Zinc, and Bismuth (Sn+Zn+Bi). Please check the manufac turer’s specific instructions for the melting points of their products and any precautions for using their product with other materi-...

  • Page 6: Specifications

    KX-TS620BXB/KX-TS620BXW 3 Specifications...

  • Page 7: Technical Descriptions

    KX-TS620BXB/KX-TS620BXW 4 Technical Descriptions 4.1. Block Diagram (Base Unit)

  • Page 8: Circuit Operation (Base Unit)

    KX-TS620BXB/KX-TS620BXW 4.2. Circuit Operation (Base Unit) 4.2.1. Outline The unit consists of the following ICs as shown in the Block Diagram (Base Unit) (P.7). • BBIC (Base Band IC): IC901 - Handling all the audio, signal and data processing needed...
  • Page 9 KX-TS620BXB/KX-TS620BXW 4.2.3. Telephone Line Interface Function: • Bell Signal Detection • Caller ID Detection • ON/OFF hook Circuit • Audio Circuit 4.2.3.1. Bell Detection Circuit When the bell signal is input from LINE to T/R (when the telephone rings), BBIC detects bell signal via following path: T ->...

  • Page 10: Ringer

    KX-TS620BXB/KX-TS620BXW 4.3. Ringer IC...

  • Page 11: Module Block Diagram

    KX-TS620BXB/KX-TS620BXW 4.4. Module Block Diagram 4.4.1. LCD Module Block 4.4.2. Connector Pin Assignment Pin no. Signal Function Enable +3V Power Supply — 0V Power Supply — Data Bus Line Data Bus Line Data Bus Line Data Bus Line Read / Write...

  • Page 12: Signal Route

    KX-TS620BXB/KX-TS620BXW 4.5. Signal Route...

  • Page 13: Location Of Controls And Components

    KX-TS620BXB/KX-TS620BXW 5 Location of Controls and Components 5.1. Controls...
  • Page 14 KX-TS620BXB/KX-TS620BXW...

  • Page 15: Installation Instructions

    KX-TS620BXB/KX-TS620BXW 6 Installation Instructions 6.1. Connections 6.1.1. Connecting the Handset/AC Adaptor/Telephone Line Cord...
  • Page 16 KX-TS620BXB/KX-TS620BXW 6.1.2. Connecting a Communication Device...

  • Page 17: Operation Instructions

    KX-TS620BXB/KX-TS620BXW 7 Operation Instructions 7.1. Dial Lock 7.1.1. To Set the Dial Lock 7.1.2. To Cancel the Dial Lock Follow above steps 1 through 3. In step 3, “ “ will disappear. For Service Hint: (*1): If the current password is forgotten, enter “726276642” at the change password menu and you will be able to change the...

  • Page 18: Troubleshooting

    KX-TS620BXB/KX-TS620BXW 7.2. Troubleshooting...
  • Page 19 KX-TS620BXB/KX-TS620BXW...

  • Page 20: Troubleshooting Guide

    KX-TS620BXB/KX-TS620BXW 8 Troubleshooting Guide 8.1. Troubleshooting Guide Cross Reference: Check Power (P.21) Check Bell Detection (P.21) Check Playback (P.22) Check Record OGM/IGM (P.22) Check SP-phone Voice Transmission (P.23) Check SP-phone Voice Reception (P.23) Check Handset Voice Transmission (P.24) Check Handset Voice Reception (P.24) Check Pulse Dial (P.25)
  • Page 21 KX-TS620BXB/KX-TS620BXW 8.1.1. Check Power Cross Reference: Note: Power Supply Circuit (P.8) BBIC is IC901. (*1) Refer to “SPECIFICATIONS” on the cover page for part number and supply voltage of AC adaptor. 8.1.2. Check Bell Detection Note: BBIC is IC901.
  • Page 22 KX-TS620BXB/KX-TS620BXW 8.1.3. Check Playback Cross Reference: Note: Power Supply Circuit (P.8) BBIC is IC901. Flash Memory is IC902. 8.1.4. Check Record OGM/IGM Cross Reference: Note: Signal Route (P.12) BBIC is IC901. Bell Detection Circuit (P.9) Flash Memory is IC902 On/Off Hook Circuit (P.9)
  • Page 23 KX-TS620BXB/KX-TS620BXW 8.1.5. Check SP-phone Voice Transmission Cross Reference: Note: Signal Route (P.12) BBIC is IC901. On/Off Hook Circuit (P.9) 8.1.6. Check SP-phone Voice Reception Cross Reference: Note: On/Off Hook Circuit (P.9) BBIC is IC901. Signal Route (P.12)
  • Page 24 KX-TS620BXB/KX-TS620BXW 8.1.7. Check Handset Voice Transmission Cross Reference: Note: Signal Route (P.12) BBIC is IC901. On/Off Hook Circuit (P.9) 8.1.8. Check Handset Voice Reception Cross Reference: Note: On/Off Hook Circuit (P.9) BBIC is IC901. Signal Route (P.12)
  • Page 25 KX-TS620BXB/KX-TS620BXW 8.1.9. Check Pulse Dial Note: BBIC is IC901. 8.1.10. Check DTMF Dial Cross Reference: Signal Route (P.12)
  • Page 26 KX-TS620BXB/KX-TS620BXW 8.1.11. Check Caller ID Detection Cross Reference: Bell Detection Circuit (P.9) Caller ID Detection Circuit (P.9)

  • Page 27: How To Replace The Flat Package

    KX-TS620BXB/KX-TS620BXW 8.2. How to Replace the Flat Package IC Even if you do not have the special tools (for example, a spot heater) to remove the Flat IC, with some solder (large amount), a soldering iron and a cutter knife, you can easily remove the ICs that have more than 100 pins.
  • Page 28 KX-TS620BXB/KX-TS620BXW 8.2.3. How to Install the IC 1. Temporarily fix the FLAT PACKAGE IC, soldering the two marked pins. *Check the accuracy of the IC setting with the corresponding soldering foil. 2. Apply flux to all pins of the FLAT PACKAGE IC.

  • Page 29: Disassembly And Assembly Instructions

    KX-TS620BXB/KX-TS620BXW 9 Disassembly and Assembly Instructions...

  • Page 30: Schematic Diagram

    KX-TS620BXB/KX-TS620BXW 10 Schematic Diagram 10.1. For Schematic Diagram 1. SW1: Hook switch. 2. DC voltage measurements are taken with electronic voltmeter from negative voltage line. 3. (Add 40 mA to telephone line from the loop simulator.) 4. Off-hook condition 5. No Mack: Handset Mode 6.
  • Page 31 KX-TS620BXB/KX-TS620BXW Memo...

  • Page 32: Schematic Diagram (Main)

    KX-TS620BXB/KX-TS620BXW 10.2. Schematic Diagram (Main) CN403 +3.2V R933 Q902 3.2V MSG_LED R935 Q901 SP_LED IC905 L301 DAB0 16V10 DAB1 2KA213 D907 C956 K0.1 STB5 D908 IC904 TP603 STB4 DAB7 SPH+ C925 D909 DAB6 STB3 4.0V 6.3V220 D910 TP604 C927 STB2...
  • Page 33 KX-TS620BXB/KX-TS620BXW 250V1.0 Line Voltage 10V DC (OFF Hook) 50V1 48V DC (ON Hook) JP101 0V DC (ON Hook) CONT 10V DC (OFF Hook) 6 HFO 120K 6.8K 330K LED ON SUB PCB LED804 Q103 C101 R131 K680P R130 TP102 C116...

  • Page 34: Schematic Diagram (Operation)

    KX-TS620BXB/KX-TS620BXW 10.3. Schematic Diagram (Operation) MUTE FUNCTION EXIT ANSWER ON HOLD Greeting KIN0 Erase SP-PHONE KIN1 STOP NAVI_RIGHT REDIAL KIN2 PAUSE MESSAGE NAVI_LEFT KIN3 VOL_UP FLASH KIN4 KEYLOCK VOL_DOWN KIN5 CN801 ANS_LED LED802 MSG_LED LED801 SP_LED MSG_LED SP_LED SP_LED STB5...

  • Page 35: Printed Circuit Board

    KX-TS620BXB/KX-TS620BXW 11 Printed Circuit Board 11.1. Circuit Board (Main) 11.1.1. Component View C307 C303 C305 C702 R903 C316 X900 C706 R704 C957 C909 C502 R986 C704 R702 C501 R995 R703 C703 D502 C901 C952 C903 C939 C506 C915 C504 D304...
  • Page 36 KX-TS620BXB/KX-TS620BXW 11.1.2. Flow Solder Side View KIN5 STB1 STB3 KIN3 TP102 TP603 SW101_1_2 KX-TS620 CIRCUIT BOARD (MAIN) Flow Solder Side View...

  • Page 37: Circuit Board (Operation)

    KX-TS620BXB/KX-TS620BXW 11.2. Circuit Board (Operation) 11.2.1. Component View PQUP11371Z CN801 KX-TS620 CIRCUIT BOARD (OPERATION) Component View...
  • Page 38 KX-TS620BXB/KX-TS620BXW 11.2.2. Flow Solder Side View EXIT FUNCTION VOL_UP GREETING NAVI_RIGHT NAVI_LEFT LED802 T S 6 2 0 VOL_DOWN ERASE_620 STOP MESSAGE KIN1 STB5 STB2 STB4 ANS_LED KIN5 STB1 STB3 KIN4 PQUP11371Z KIN0 HOLD PAUSE FLASH REDIAL SHARP LED801 KIN2...

  • Page 39: Appendix Information Of Schematic Diagram

    KX-TS620BXB/KX-TS620BXW 12 Appendix Information of Schematic Diagram 12.1. CPU Data Description High High_Z D.O ACS0 Normal Select Description High High_Z D.O HSIN Normal CLEAR VDDIO D.I ROW5 Normal Active D.I BELL Normal Bell input D.O AD8 D.O NC D.O AD9 D.O NC...
  • Page 40 KX-TS620BXB/KX-TS620BXW Description High High_Z 122 D.O AD1 123 D.O AD2 124 D.O AD3 125 D.O AD4 126 D.O AD5 127 D.O AD6 128 D.O AD7 Note: Data in the blank columns are omitted because of the Ana- log I/O.

  • Page 41: Terminal Guide Of The Ics, Transistor And Diodes

    KX-TS620BXB/KX-TS620BXW 12.2. Terminal Guide of the Ics, Transistor and Diodes...

  • Page 42: Exploded View And Replacement Parts List

    KX-TS620BXB/KX-TS620BXW 13 Exploded View and Replacement Parts List 13.1. Cabinet and Electric Parts...

  • Page 43: Accessories And Packing Materials

    KX-TS620BXB/KX-TS620BXW 13.2. Accessories and Packing Materials...

  • Page 44: Replacement Part List

    MUTE (for ABS-HB Components identified by the mark indicates special TS620BXW) characteristics important for safety. When replacing any PQBC10454Z2 BUTTON, OK (for KX-TS620BXB) PS-HB PQBC10454Z1 BUTTON, OK (for KX-TS620BXW) PS-HB of these components, only use specified manufacture’s PQBX10389W2 BUTTON, DIAL...
  • Page 45 KX-TS620BXB/KX-TS620BXW Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks (DIODES) EXB38V221J RESISTOR ARRAY MA4300 DIODE(SI) EXB38V221J RESISTOR ARRAY B0EAAD000001 DIODE(SI) EXB38V221J RESISTOR ARRAY B0EAAD000001 DIODE(SI) EXB38V221J RESISTOR ARRAY B0EAAD000001 DIODE(SI) EXB38V221J RESISTOR ARRAY...
  • Page 46 KX-TS620BXB/KX-TS620BXW Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R904 ERJ3GEYJ102 C414 ECUV1H222KBV 0.0022 R905 ERJ3GEYJ101 C415 ECUV1C104KBV R906 ERJ3GEYJ102 C416 ECUV1C104KBV R908 ERJ3GEYJ101 C417 ECUV1H103KBV 0.01 R909 ERJ3GEYJ104 100K C419 ECUV1H102KBV 0.001...
  • Page 47 KX-TS620BXB/KX-TS620BXW Ref. Part No. Part Name & Description Remarks (LEDS) LED801 PSVD1SRCT LED802 PSVD1SRCT (CONNECTOR) CN801 PQJS18X54Z CONNECTOR (OTHERS) PQJM122Z MICROPHONE 13.3.1.4. Accessories and Packing Materi- Note: (*1) You can download and refer to the Operating Instruc- tions (Instruction book) on TSN Server.

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