Panasonic KX-TS620BX1 Service Manual
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Panasonic KX-TS620BX1 Service Manual

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Caller ID Compatible
Telephone Equipment
KX-TS620BX1
Telephone Answering System
1: White Version
(for UAE and Saudi Arabia)
© Panasonic System Networks Co., Ltd. 2012
Unauthorized copying and distribution is a violation
of law.
ORDER NO. KM41204567CE

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Summary of Contents for Panasonic KX-TS620BX1

  • Page 1 ORDER NO. KM41204567CE Telephone Equipment KX-TS620BX1 Caller ID Compatible Telephone Answering System 1: White Version (for UAE and Saudi Arabia) © Panasonic System Networks Co., Ltd. 2012 Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TS620BX1 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians.

  • Page 3: Table Of Contents

    KX-TS620BX1 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 2.3. Discarding of P. C. Board-------------------------------- 5...

  • Page 4: Safety Precaution

    KX-TS620BX1 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: Discarding Of P. C. Board

    KX-TS620BX1 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-TS620BX1 3 Specifications Power Supply: AC adaptor (AC 220 V — 240 V, 50/60 Hz) PQLV219EW Power Consumption: Standby: Approx. 2.4 W Maximum: Approx. 3.0 W Dimensions (H x W x D): Approx. 91 mm x 165 mm x 220 mm Mass (Weight): Approx.

  • Page 7: Technical Descriptions

    KX-TS620BX1 4 Technical Descriptions 4.1. Block Diagram (Base Unit)

  • Page 8: Circuit Operation (Base Unit)

    KX-TS620BX1 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-TS620BX1 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-TS620BX1 4.3. Ringer IC Vcc 1 POWER SUPPLY RSL 2 WITH HYSTERISIS LOW FREQ HIGH FREQ LFI 3 LFO 4 Pin descriptions Pin No. Pin name Name Function This is the power supply pin for the lC. It is connected to the (...

  • Page 11: Module Block Diagram

    KX-TS620BX1 4.4. Module Block Diagram 4.4.1. LCD Module Block (1) VDD (2) VSS (3..6) SEG 80 DB4..DB7 (7) R/W (8) E (9) D/C (10) CS (11) RES 4.4.2. Connector Pin Assignment Pin no. Signal Function Enable +3V Power Supply —...

  • Page 12: Signal Route

    KX-TS620BX1 4.5. Signal Route SIGNAL ROUTE SIGNAL ROUTE DTMF Tone IC901(100) - L312 - R936 - R937 - C951 - Q108 - Q103 D9 - T ( to Tel Line ) D10 - R CN401(1) - L307 - CN402(4) - CN402(5) - C415 - R411 - R412 -...

  • Page 13: Location Of Controls And Components

    KX-TS620BX1 5 Location of Controls and Components Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book) on TSN Server. 6 Installation Instructions Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book) on TSN Server.

  • Page 14: Troubleshooting Guide

    KX-TS620BX1 8 Troubleshooting Guide 8.1. Troubleshooting Guide Flow Chart No LCD display Check Power Power ON Base Unit No bell Check Bell Detection Bell Not playback Check Playback Playback Greeting Not record Check Record OGM/ICM Record Message No voice SP-Phone Voice Transmission...
  • Page 15 KX-TS620BX1 8.1.1. Check Power Is the AC adaptor inserted into AC outlet ? (*1) Is the voltage of test point DC1 about 6.5V ? Check AC adaptor. Is the voltage of test point TP303 about 4V ? Is the voltage of test point TP304 about 4V ? Check Power Supply Circuit.
  • Page 16 KX-TS620BX1 8.1.3. Check Playback Is voltage at test point TP301 3.2V? Check Power Supply Circuit. Check BBIC, IC902. Is there output signal at test point TP902? Is IC904 (1) input voltage high ? Check IC905, BBIC. Check around R924, R925, C926~C930.
  • Page 17 KX-TS620BX1 8.1.5. Check SP-phone Voice Transmission Input signal 1.0kHz/-50dBm to the microphone of Check MIC, flat cable connection, R932, BASE UNIT and SP-PHONE on. R934, C937. Is there signal at BBIC (114)? Check OGM Record in Signal Route. Is there output signal at BBIC (100)? Check BBIC.
  • Page 18 KX-TS620BX1 8.1.7. Check Handset Voice Transmission Input signal 1.0kHz/-40dBm to the microphone of HANDSET and off-hook. Check Handset TX in Signal Route. Is there signal at BBIC (118)? Is there output signal at BBIC (100)? Check BBIC. Is there output signal at base of Q108? Check Handset TX in Signal Route.
  • Page 19 KX-TS620BX1 8.1.9. Check Pulse Dial ( Set dial mode to PULSE mode, dial a number ) Is there pulse monitor sound ? Check R910, C905 and C428. Is there pulse signal (3.2V~0) at base of Q109 ? Check BBIC and L316.
  • Page 20 KX-TS620BX1 8.1.11. Check Caller ID Detection ( Input Caller ID sigal ) Did bell ring ? Check Bell Detection Circuit. ( Message indicator blinks ) Caller ID data is not sent from Telephone Was Caller ID signal sent between 1st bell Exchanger.

  • Page 21: Disassembly And Assembly Instructions

    KX-TS620BX1 9 Disassembly and Assembly Instructions 9.1. Disassembly Instructions LINE DATA Remove the 5 screws to remove the cabinet cover. SERIAL NO. Take off the button. K0L1LB000016 Remove the FFC (Fexible Flat cable). Remove the sheet and the tape. Detach the main p. c. board from the hook.

  • Page 22: Miscellaneous

    KX-TS620BX1 10 Miscellaneous 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 23: How To Install The

    KX-TS620BX1 10.1.2. 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 24: Terminal Guide Of The Ics, Transistor And Diodes

    KX-TS620BX1 10.2. Terminal Guide of the Ics, Transistor and Diodes C1BB00001024 C0CBACC00036 PQWITS620BX C1CB00001879 C1CB00002315 PQVT2N6517CA B1ABDF000026, UN5213 B1ACGP000007 B1CEDF000003 B1ADGE000004 B1AAKD000013 Anode Cathode Anode Cathode Cathode Anode Anode Cathode B0EAAD000001 MA8047, MA111 MA4047 PSVD1SRCT PQVD1T4R1T MA4180, MA4300 B0JCDD000002 PQVIPS3450UT...

  • Page 25: Schematic Diagram

    KX-TS620BX1 11 Schematic Diagram 11.1. For Schematic Diagram 1. DC voltage measurements are takens with electronic voltmeter from negative terminal. 2. This schematic diagram may be modified at any time with the development of new technology.

  • Page 26: Schematic Diagram (Main)

    KX-TS620BX1 11.2. 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 27 KX-TS620BX1 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 28: Schematic Diagram (Operation)

    KX-TS620BX1 11.3. 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 29: Printed Circuit Board

    KX-TS620BX1 12 Printed Circuit Board 12.1. Circuit Board (Main) 12.1.1. Component View C307 C303 C305 C702 R903 C316 X900 C706 R704 C957 C909 C502 R986 C704 C501 R702 R995 R703 C703 D502 C901 C952 C903 C939 C506 C915 C504 D304...
  • Page 30 KX-TS620BX1 12.1.2. Flow Solder Side View KIN5 STB1 STB3 KIN3 TP102 TP603 SW101_1_2 KX-TS620 CIRCUIT BOARD (MAIN) Flow Solder Side View...

  • Page 31: Circuit Board (Operation)

    KX-TS620BX1 12.2. Circuit Board (Operation) 12.2.1. Component View PQUP11371Z CN801 KX-TS620 CIRCUIT BOARD (OPERATION) Component View...
  • Page 32 KX-TS620BX1 12.2.2. Flow Solder Side View EXIT FUNCTION VOL_UP GREETING NAVI_LEFT NAVI_RIGHT LED802 T S 6 2 0 VOL_DOWN STOP ERASE_620 MESSAGE KIN1 STB5 STB2 STB4 ANS_LED KIN5 STB1 STB3 KIN4 PQUP11371Z KIN0 HOLD PAUSE FLASH SHARP REDIAL LED801 KIN2...

  • Page 33: Exploded View And Replacement Parts List

    KX-TS620BX1 13 Exploded View and Replacement Parts List 13.1. Cabinet and Electric Parts PCB2 PCB1 Ref.No. Figure 2.6 x 12mm 2.6 x 8mm...

  • Page 34: Accessories And Packing Materials

    KX-TS620BX1 13.2. Accessories and Packing Materials A5, A6...

  • Page 35: Replacement Part List

    KX-TS620BX1 13.3. Replacement Part List Ref. Part No. Part Name & Description Remarks 1. RTL (Retention Time Limited) PQSX10309Z KEYBOARD SWITCH, 13 KEY Note: PQMG10025W RUBBER PARTS, MIC The marking (RTL) indicates that the Retention Time PQHG10622Z RUBBER PARTS, SHEET...
  • Page 36 KX-TS620BX1 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D920 B0JCDD000002 DIODE(SI) R113 PQ4R10XJ104 100K LED804 PSVD1SRCT R115 ERJ3GEYJ472 4.7K (COILS) R116 D0GB473JA057 PQLQXF330K COIL R117 ERJ3GSYJ682 6.8K PQLQXF330K COIL R118 ERJ3GEYJ472 4.7K...
  • Page 37 KX-TS620BX1 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R996 ERJ3GEYJ102 C925 ECEA0JKA221 R997 D0GB103JA057 C926 ECUV1C104KBV R998 D0GB103JA057 C927 ECUV1C105ZFV L303 PQ4R10XJ000 C928 ECUV1C105ZFV JP101 ERJ3GEY0R00 C929 ECJ1VB1H221K 220P (CAPACITORS) C930 ECUV1H153KBV 0.015...
  • Page 38 KX-TS620BX1 13.3.3. Screws Safety Ref. Part No. Part Name & Description Remarks PQHV2612PJ65 TAPPING SCREW XTW26+8PFJ7 TAPPING SCREW YANI KXTS620BX1...

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