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Panasonic KX-TG5671BXS Service Manual
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Panasonic KX-TG5671BXS Service Manual

Panasonic KX-TG5671BXS Service Manual

Digital cordless answering system
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Telephone Equipment
KX-TG5671BXS
KX-TGA560BXS
Digital Cordless Answering System
Silver Version
(for Middle Near East and Africa)
© 2006 Panasonic Communications Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. KM40511937CE
Unauthorized
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Summary of Contents for Panasonic KX-TG5671BXS

  • Page 1 ORDER NO. KM40511937CE Telephone Equipment KX-TG5671BXS KX-TGA560BXS Digital Cordless Answering System Silver Version (for Middle Near East and Africa) © 2006 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    KX-TG5671BXS / KX-TGA560BXS Note: Because CONTENTS 4 is the extract from the Operating Instructions of this model, it is subject to change without notice. You can download and refer to the original Operating Instructions on TSN Server for further information.
  • Page 3 KX-TG5671BXS / KX-TGA560BXS 20 CPU DATA (HANDSET) 28 REPLACEMENT PARTS LIST 20.1. IC201 28.1. Base Unit 21 EXPLANATION OF IC TERMINALS (RF PART) 28.2. Handset 21.1. IC701 28.3. Accessories and Packing Materials 21.2. IC801 28.4. Fixtures and Tools 21.3. IC851...

  • Page 4: About Lead Free Solder (Pbf: Pb Free)

    KX-TG5671BXS / KX-TGA560BXS 1 ABOUT LEAD FREE SOLDER (PbF: Pb free) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that contains lead. We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn), Silver (Ag), and Copper (Cu).

  • Page 5: How To Recognize That Pb Free Solder Is Used

    KX-TG5671BXS / KX-TGA560BXS 1.2. How to Recognize that Pb Free Solder is Used (Example: Handset P.C.B.) Marked IC851 IC246 IC701 IC801 IC201 IC241 (Component View) Note: The location of the “PbF” mark is subject to change without notice. 2 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity.

  • Page 6: Operating Instructions

    KX-TG5671BXS / KX-TGA560BXS 4 OPERATING INSTRUCTIONS 4.1. Battery 4.1.1. Battery Installation/Replacement 4.1.2. Battery Charge Note for service: The battery strength may not be indicated correctly if the battery is disconnected and connected again, even after it is fully charged. In that case, by recharging the battery as mentioned above, you will get a correct indication of the battery strength.
  • Page 7 KX-TG5671BXS / KX-TGA560BXS 4.1.3. Battery Level 4.1.4. Panasonic Battery Performance...

  • Page 8: Location Of Controls

    KX-TG5671BXS / KX-TGA560BXS 4.2. Location of Controls 4.2.1. Base Unit...
  • Page 9 KX-TG5671BXS / KX-TGA560BXS 4.2.2. Handset...

  • Page 10: Displays

    KX-TG5671BXS / KX-TGA560BXS 4.3. Displays 4.3.1. Display Items 4.3.2. Troubleshooting (Handset LCD)

  • Page 11: Settings

    KX-TG5671BXS / KX-TGA560BXS 4.4. Settings 4.4.1. Connecting the AC Adaptor and Telephone Line Cord...
  • Page 12 KX-TG5671BXS / KX-TGA560BXS 4.4.2. Programmable Settings 4.4.2.1. Programming by Scrolling through the Display Menus...
  • Page 13 KX-TG5671BXS / KX-TGA560BXS 4.4.2.2. Programming Using the Direct Commands...
  • Page 14 KX-TG5671BXS / KX-TGA560BXS 4.4.3. Dial Lock...

  • Page 15: Troubleshooting

    KX-TG5671BXS / KX-TGA560BXS 4.5. Troubleshooting...
  • Page 16 KX-TG5671BXS / KX-TGA560BXS...
  • Page 17 KX-TG5671BXS / KX-TGA560BXS...

  • Page 18: Disassembly Instructions

    KX-TG5671BXS / KX-TGA560BXS 5 DISASSEMBLY INSTRUCTIONS 5.1. Base Unit Shown in Fig.- To Remove - Remove - Cabinet Cover Screws (2.6 × 12)..(A) × 5 Main P. C. Board Tapes, Solders and Cable Main P. C. Board Operational P. C. Board Tape Screws (2.6 ×...

  • Page 19: Handset

    KX-TG5671BXS / KX-TGA560BXS 5.2. Handset Shown in Fig.- To Remove - Remove - Cabinet Cover Screws (2 × 14)..(C) × 2 Follow the procedure. Main P. C. Board Tape and Solders Screws (2 × 9).....(D ) × 3 Main P. C. Board...

  • Page 20: How To Replace The Handset Lcd

    KX-TG5671BXS / KX-TGA560BXS 6 HOW TO REPLACE THE HANDSET LCD...

  • Page 21: Troubleshooting Guide

    KX-TG5671BXS / KX-TGA560BXS 7 TROUBLESHOOTING GUIDE Cross Reference: Note: Check Power (P.22) (*1) When a user claims that the unit disconnects a call right after the greeting message and no incoming Error Message Table (P.22) messages can be recorded, this symptom can not be Check Playback (P.24)

  • Page 22: Check Power

    KX-TG5671BXS / KX-TGA560BXS 7.1. Check Power Cross Reference: Note: Power Supply Circuit (P.54) Flash Memory is IC601. Reset Circuit (P.56) DSP is IC501. (*1) Refer to “SPECIFICATION” on cover page for part number and supply voltage of AC adaptor. 7.2.

  • Page 23: Check Record

    KX-TG5671BXS / KX-TGA560BXS 7.3. Check Record BASE UNIT A) Not record Greeting Message B) Not record Incoming Message C) How to change the Auto Disconnect activation (time) Some Telephone Company lines (fiber or cable) ON Hook and OFF Hook voltages are lower than conventional lines, which may cause a malfunction of Auto Disconnect detection.

  • Page 24: Check Playback

    KX-TG5671BXS / KX-TGA560BXS 7.4. Check Playback Cross Reference: Note: Power Supply Circuit (P.54) Flash Memory is IC601. DSP is IC501. 7.5. Check Sp-phone Transmission Cross Reference: Note: SIGNAL ROUTE (P.73) Flash Memory is IC601. Telephone Line Interface (P.57) DSP is IC501.

  • Page 25: Check Sp-Phone Reception

    KX-TG5671BXS / KX-TGA560BXS 7.6. Check Sp-phone Reception Cross Reference: Note: Telephone Line Interface (P.57) Flash Memory is IC601. SIGNAL ROUTE (P.73) DSP is IC501. 7.7. Check Battery Charge Note: Flash Memory is IC601. DSP is IC501. (*1) Refer to “SPECIFICATION” on cover page for part number and supply voltage of AC adaptor.

  • Page 26: Check Link

    KX-TG5671BXS / KX-TGA560BXS 7.8. Check Link Note: Flash Memory is IC601. DSP is IC501. (*1) Refer to Finding out the Defective part (P.27). Cross Reference: Check the RF part (P.27)

  • Page 27: Check The Rf Part

    KX-TG5671BXS / KX-TGA560BXS 7.9. Check the RF part 7.9.1. Finding out the Defective part After All the Checkings or Repairing 1. Re-register the checked Handset to the checked Base Unit, and Regular HS to Regular BU. Note: (*1) HS: Handset (*2) BU: Base Unit 7.9.1.1.
  • Page 28 KX-TG5671BXS / KX-TGA560BXS 7.9.2. RF Check Flowchart Each item (1 ~ 6) of RF Check Flowchart corresponds to Check Table for RF part (P.29). Please refer to the each item.
  • Page 29 KX-TG5671BXS / KX-TGA560BXS 7.9.3. Check Table for RF part Item BU (Base Unit) Check HS (HandSet) Check Link Confirmation Normal 1. Register Regular HS to BU (to be checked). 1. Register HS (to be checked) to Regular BU. 2. Press [Talk] key of the Regular HS to 2.
  • Page 30 KX-TG5671BXS / KX-TGA560BXS 7.9.4. TEST RANGE Check Circuit block which range is defective can be found by the following check. Item BU (Base Unit) Check HS (HandSet) Check Range Confirmation TX 1. Register Regular HS to BU (to be checked).
  • Page 31 KX-TG5671BXS / KX-TGA560BXS 7.9.5. RF-DSP Interface Signal Wave Form Test Burst Mode:...
  • Page 32 KX-TG5671BXS / KX-TGA560BXS Test Burst Mode:...

  • Page 33: Check Handset Transmission

    KX-TG5671BXS / KX-TGA560BXS 7.10. Check Handset Transmission Cross Reference: SIGNAL ROUTE (P.73). 7.11. Check Handset Reception Cross Reference: SIGNAL ROUTE (P.73). Note: When checking the RF part, Refer to Check the RF part (P.27) 7.12. Check Caller ID Cross Reference: Telephone Line Interface (P.57).

  • Page 34: Adjustment And Test Mode

    KX-TG5671BXS / KX-TGA560BXS 8 ADJUSTMENT AND TEST MODE 8.1. Test Mode Flow Chart for Base Unit 8.1.1. Test Burst Mode Note: (*1) LCD displays the Channel number. (*2) Refer to Check Table for RF part (P.29) and RX-CW Test Mode (P.39) for proper Handset settings.
  • Page 35 KX-TG5671BXS / KX-TGA560BXS 8.1.2. RX-CW Test Mode Note: (*1) LCD displays the Channel number. (*2) Refer to Check Table for RF part (P.29) and Test Burst Mode (P.38) for proper Handset settings.
  • Page 36 KX-TG5671BXS / KX-TGA560BXS 8.1.3. Test Link Mode Note: (*1) LCD displays the Channel number. (*2) LCD displays the number of selected power. (*3) Refer to Check Table for RF part (P.29) and Test Link Mode (P.40) for proper Handset settings.
  • Page 37 KX-TG5671BXS / KX-TGA560BXS 8.1.4. Adjustment Mode Cross Reference Check and Adjust X501 (Base Unit) Frequency (P.42) Note: (*1) This is an adjustment value (hex.).

  • Page 38: Test Mode Flow Chart For Handset

    KX-TG5671BXS / KX-TGA560BXS 8.2. Test Mode Flow Chart for Handset 8.2.1. Test Burst Mode Note: (*1) LCD displays the Channel number. (exception: default/ CH00 = 1ch.) (*2) Refer to Check Table for RF part (P.29) and RX-CW Test Mode (P.35) for proper Base Unit settings.
  • Page 39 KX-TG5671BXS / KX-TGA560BXS 8.2.2. RX-CW Test Mode Note: (*1) LCD displays the Channel number. (exception: default/ CH00 = 1ch.) (*2) Refer to Check Table for RF part (P.29) and Test Burst Mode (P.34) for proper Base Unit settings.
  • Page 40 KX-TG5671BXS / KX-TGA560BXS 8.2.3. Test Link Mode Note: (*1) LCD displays the Channel number. (exception: default/ CH00 = 1ch.) (*2) for factory use only. (*3) Refer to Check Table for RF part (P.29) and Test Link Mode (P.36) for proper Base Unit settings.
  • Page 41 KX-TG5671BXS / KX-TGA560BXS 8.2.4. Adjustment Mode Cross Reference (*1) Adjust Battery Low Detector Voltage (Handset) (P.42) Note: (*2) These are the default values. (*3) These values may not be fixed depending on the battery strength.

  • Page 42: X501 (Base Unit), X201 (Handset) Check

    KX-TG5671BXS / KX-TGA560BXS 8.3. X501 (Base Unit), X201 (Handset) Check Equipment: Frequency counter Check Point for measurement: BCK Checking tolerance: 13.824MHz ± 270Hz (Base Unit)/13.824MHz ± 100Hz (Handset) 8.3.1. Check and Adjust X501 (Base Unit) Frequency 1. Set up Base Unit in TEST mode.

  • Page 43: Base Unit Reference Drawing

    KX-TG5671BXS / KX-TGA560BXS CN661 L102 L101 Q142 Q156 P101 Q141 Q161...

  • Page 44: Handset Reference Drawing

    KX-TG5671BXS / KX-TGA560BXS...

  • Page 45: Frequency Table

    KX-TG5671BXS / KX-TGA560BXS 8.7. Frequency Table 8.7.1. Base Unit Channel TX/RX Frequency (MHz) Channel TX/RX Frequency (MHz) Channel TX/RX Frequency (MHz) 5759.702398 5788.242242 5816.782086 5760.592291 5789.132135 5817.671978 5761.486139 5790.025982 5818.565826 5762.376031 5790.915875 5819.455719 5763.269879 5791.809723 5820.349566 5764.159771 5792.699615 5821.239459 5765.053619 5793.593463...
  • Page 46 KX-TG5671BXS / KX-TGA560BXS 8.7.2. Handset Channel TX/RX Frequency (MHz) Channel TX/RX Frequency (MHz) Channel TX/RX Frequency (MHz) 5759.700425 5788.240269 5816.780113 5760.594273 5789.134117 5817.673960 5761.484165 5790.024009 5818.563853 5762.378013 5790.917857 5819.457701 5763.267906 5791.807749 5820.347593 5764.161753 5792.701597 5821.241441 5765.051646 5793.591490 5822.131333 5765.945494 5794.485337 5823.025181...

  • Page 47: How To Clear User Setting

    KX-TG5671BXS / KX-TGA560BXS 8.8. How to Clear User Setting Units are reset to the Factory settings by this operation (Erase recorded Voice messages, stored Phone numbers, Caller list and etc.). This operation should not be performed for a usual repair.

  • Page 48: Description

    KX-TG5671BXS / KX-TGA560BXS 9 DESCRIPTION 9.1. Frequency The frequency range of 5.76GHz-5.84GHz is used. Transmitting and receiving channel between Base Unit and Handset is same frequency. Refer to Frequency Table (P.45). 9.2. FHSS (Frequency Hopping Spread Spectrum) This telephone is using an IC chip which has similar specification to WDCT (World Digital Cordless Telephone) and is the telephone system that can use multiple portable unit simultaneously.
  • Page 49 KX-TG5671BXS / KX-TGA560BXS 9.2.1. TDD Frame Format Sync Field (72bit): Preamble 56bit + SyncWord 16bit Base Unit (Handset) adjusts the timing of reception so that reception of Base Unit (Handset) can correspond to transmission of Handset (Base Unit). It is necessary for sync-field that Handset gets synchronization.

  • Page 50: Signal Flowchart In The Whole System

    KX-TG5671BXS / KX-TGA560BXS 9.3. Signal Flowchart in the Whole System Reception CN101 of the Base Unit is connected to the TEL line, and signal is enter through the bridge diode D101. While talking, the relay (Q141) is turned ON and amplified at the Q171, then led to DSP (IC501). The DSP encodes ADPCM and TDD/TDMA with FHSS to TXMOD.

  • Page 51: Explanation Of Link Data Communication

    KX-TG5671BXS / KX-TGA560BXS 10 EXPLANATION OF LINK DATA COMMUNICATION 10.1. Calling 10.2. To Terminate Communication 10.3. Ringing...
  • Page 52 KX-TG5671BXS / KX-TGA560BXS...

  • Page 53: Circuit Operation (Base Unit_Main)

    KX-TG5671BXS / KX-TGA560BXS 12 CIRCUIT OPERATION (BASE UNIT_MAIN) General Description: (DSP, Flash Memory) is a digital speech/signal processing system that implements all the functions of speech compression, record and playback, and memory management required in a digital telephone answering machine.

  • Page 54: Power Supply Circuit

    KX-TG5671BXS / KX-TGA560BXS 12.3. Power Supply Circuit Function: The power supply voltage from AC adaptor is converted to the desired voltage of each block. Circuit Operation: · Q300 and IC300: 4.0V DCDC Converter · IC331: 3.3V Regulator...
  • Page 55 KX-TG5671BXS / KX-TGA560BXS 12.3.1. Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits. Main charge (130 ~ 220mA at the Battery) of maximum 7- hours is started soon after the Handset is placed on the Base Unit. Then it changes to Trickle charge to prevent from overcharging.

  • Page 56: Reset Circuit

    KX-TG5671BXS / KX-TGA560BXS 12.4. Reset Circuit Function: This circuit is used to initialize the microcomputer when it incorporates an AC adaptor. Circuit Operation: When the AC Adaptor is inserted into the unit, then the voltage is shifted by IC331 and power is supplied to the DSP.

  • Page 57: Telephone Line Interface

    KX-TG5671BXS / KX-TGA560BXS 12.5. Telephone Line Interface Telephone Line Interface Circuit: Function · Bell signal detection · ON/OFF hook and pulse dial circuit · Side tone circuit Bell signal detection and OFF HOOK circuit: In the idle mode, Q141 is open to cut the DC loop current and decrease the ring load. When ring voltage appears at the Tip (T) and Ring (R) leads (When the telephone rings), the AC ring voltage is transferred as follows: T →...

  • Page 58: Auto Disconnect Circuit

    KX-TG5671BXS / KX-TGA560BXS 12.6. Auto Disconnect Circuit Function: This circuit is used to detect the fact that another telephone connected to the same line is OFF-HOOK while the unit is in a receiving status or OGM transmitting status. Circuit Operation: The voltage of pin 90 of IC501 is monitored.

  • Page 59: Parallel Connection Detect Circuit

    KX-TG5671BXS / KX-TGA560BXS 12.7. Parallel Connection Detect Circuit Function: In order to disable call waiting and stutter tone functions when using telephones connected in parallel, it is necessary to have a circuit that judges whether a telephone connected in parallel is in use or not. This circuit determines whether the telephone connected in parallel is on hook or off hook by detecting changes in the T/R voltage.

  • Page 60: Calling Line Identification (Caller Id)

    KX-TG5671BXS / KX-TGA560BXS 12.8. Calling Line Identification (Caller ID) Function: The caller ID is a chargeable ID which the user of a telephone circuit obtains by entering a contract with the telephone company to utilize a caller ID service. For this reason, the operation of this circuit assumes that a caller ID service contract has been entered for the circuit being used.
  • Page 61 KX-TG5671BXS / KX-TGA560BXS TC_CTRL RSTN RXEN TXEN REFIN RXGAIN RXEN TXEN 5.8GHz...
  • Page 62 KX-TG5671BXS / KX-TGA560BXS TC_CTRL RSTN RXEN TXEN REFIN RXGAIN RXEN TXEN 5.8GHz...

  • Page 63: Circuit Operation (Rf Part)

    KX-TG5671BXS / KX-TGA560BXS 15 CIRCUIT OPERATION (RF PART) General Description: RF part includes Transmitter and Receiver functions. Digital signals (Mainly voice data) that come from DSP, are modulated and are transmitted. On the other hand, received signals are demodulated and go out to DSP.

  • Page 64: Power Supply Circuit

    KX-TG5671BXS / KX-TGA560BXS 15.1. Power Supply Circuit As indicated below, the various voltages are supplied to each block. V_PA, about 4.0V at Base Unit or 3.3V at Handset, is supplied to the Power amplifier in 5.8GHz PA circuit. IC841 is 3.0V Regulators, and IC761 is a 2.5V Regulator. They output Vcc_5.8GHz, and Vcc_2.4GHz respectively by order of...

  • Page 65: Ghz Mod/Demod Circuit

    KX-TG5671BXS / KX-TGA560BXS 15.2. 2.4GHz Mod/Demod Circuit IC701 incorporates all of the modulation and demodulation functions. TX Digital data (TX_DATA) from DSP is supplied to pin 27 of IC701, and then 2.4GHz TX modulated signal is output from pin1. This TX signal goes into the 5.8GHz Converter circuit. 2.4GHz RX signal from 5.8GHz Converter circuit is passed through matching circuit and supplied to pin4 of IC701, then demodulated signal...

  • Page 66: Ghz Converter Circuit

    KX-TG5671BXS / KX-TGA560BXS 15.3. 5.8GHz Converter Circuit This block converts frequency of TX signal and RX signal. IC801 includes TX-MIXER, RX-MIXER, PLL and VCO modules internally. The VCO module is tuned by PLL synthesizer module, and generates 3.4GHz Local signal. Reference clock (13.824MHz) from DSP block is supplied to pin7 of IC701.

  • Page 67: Ghz Pa (Power Amplifier), 5.8Ghz Lna (Low Noise Amplifier) And Antenna Switch Circuit

    KX-TG5671BXS / KX-TGA560BXS 15.4. 5.8GHz PA (Power Amplifier), 5.8GHz LNA (Low Noise Amplifier) and Antenna Switch Circuit PA block amplifies power of 5.8GHz TX signal. 5.8GHz TX signal from 5.8GHz Converter circuit is filtered by 5.8GHz-BPF FL811, and amplified by Power amplifier (PA) block of IC851.

  • Page 68: Block Diagram (Handset)

    KX-TG5671BXS / KX-TGA560BXS 16 BLOCK DIAGRAM (HANDSET) IC241 X201 EEPROM 13.824MHz Q231 CHG_DET CHARGE DETECT OSC-IN Q362, Q363 RF part TX_DATA CHARGE CHG_CTL RX_DATA PA_CONT CONTROL RADIO_EN CON_EN Q221 SYN_LE2 SYN_OUT RESET RESET SYN_DATA Q361 CHARGE SYN_CLK SYN_LE1 IC221 RX_GAIN...

  • Page 69: Circuit Operation (Handset)

    KX-TG5671BXS / KX-TGA560BXS 17 CIRCUIT OPERATION (HANDSET) 17.1. Construction The circuit mainly consists of DSP and RF part as shown in the block diagram. 17.1.1. DSP: IC201 Function: · Battery Low, Power down detect circuit · Ringer Generation · Interface circuit...

  • Page 70: Power Supply Circuit

    KX-TG5671BXS / KX-TGA560BXS 17.2. Power Supply Circuit Voltage is supplied separately to each block.

  • Page 71: Charge Circuit

    KX-TG5671BXS / KX-TGA560BXS 17.3. Charge Circuit When the Handset is put on the cradle of the Base Unit, the power is supplied from CHARGE+ and CHARGE- terminals to charge the battery via D353 and R366 or Q361. The voltage between CHARGE+ and CHARGE- flows R231 → Q231 → pin38 of IC201, where the charge is detected.

  • Page 72: Sending Signal

    KX-TG5671BXS / KX-TGA560BXS 17.5. Sending Signal The voice signal from the microphone is input to DSP (90, 91). CN331 is the headset jack. When the headphone is connected, the Q331 detect it. The input from the microphone of the Handset (MIN, MIP) is cut and the microphone signal from the headset is input to DSP (95).

  • Page 73: Signal Route

    KX-TG5671BXS / KX-TGA560BXS 18 SIGNAL ROUTE Each signal route is as follows.
  • Page 74 KX-TG5671BXS / KX-TGA560BXS Each signal route is as follows. RF part signal route...

  • Page 75: Cpu Data (Base Unit)

    KX-TG5671BXS / KX-TGA560BXS 19 CPU DATA (BASE UNIT) 19.1. IC501 Description High High_Z Description High High_Z GNDPA 63 KEY_IN3 Key In SPOUTP 64 KEY_IN2 Key In BMCCLK 65 KEY_IN1 Key In TXMOD 66 GND RSSI 67 VCC 68 TCK XOUT...

  • Page 76: Cpu Data (Handset)

    KX-TG5671BXS / KX-TGA560BXS 20 CPU DATA (HANDSET) 20.1. IC201 Description High High_Z Description High High_Z GNDPA 61 ANT_LED2 SPOUTP 62 ANT_LED3 BCLK 63 KEYSTROBE_E Active RSSI 64 KEYSTROBE_D Active 65 KEYSTROBE_C Active XOUT 66 KEYSTROBE_B Active 67 KEYSTROBE_A Active VCCIN...

  • Page 77: Explanation Of Ic Terminals (Rf Part)

    KX-TG5671BXS / KX-TGA560BXS 21 EXPLANATION OF IC TERMINALS (RF PART) 21.1. IC701...

  • Page 78: Ic801

    KX-TG5671BXS / KX-TGA560BXS 21.2. IC801 Backside Terminal: GND...

  • Page 79: Ic851

    KX-TG5671BXS / KX-TGA560BXS 21.3. IC851 Backside Terminal: GND...

  • Page 80: How To Replace The Flat Package Ic

    KX-TG5671BXS / KX-TGA560BXS 22 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 81: How To Install The Ic

    KX-TG5671BXS / KX-TGA560BXS 22.3. 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 82: How To Replace The Llp (Leadless Leadframe Package) Ic

    KX-TG5671BXS / KX-TGA560BXS 23 HOW TO REPLACE THE LLP (Leadless Leadframe Package) IC 23.1. Preparation · PbF (: Pb free) Solder · Soldering Iron Tip Temperature of 700°F ± 20°F (370°C ± 10°C) Note: We recommend a 30 to 40 Watt soldering iron. An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil.

  • Page 83: How To Install The Ic

    KX-TG5671BXS / KX-TGA560BXS 3. After removing the IC, clean the P.C.Board of residual solder. 23.4. How to Install the IC 1. Place the solder a little on the land where the radiation GND pad on IC bottom is to be attached.

  • Page 84: Cabinet And Electrical Parts (Base Unit)

    KX-TG5671BXS / KX-TGA560BXS 24 CABINET AND ELECTRICAL PARTS (BASE UNIT)

  • Page 85: Cabinet And Electrical Parts (Handset)

    KX-TG5671BXS / KX-TGA560BXS 25 CABINET AND ELECTRICAL PARTS (HANDSET) Note: (*1) Attach the cushion (No. 126) to the exact location described above. (*2) This cable is fixed by welding. Refer to HOW TO REPLACE THE HANDSET LCD (P.20). (*3) Stick the magnetic shield (No.119) to the exact location described above.

  • Page 86: Accessories And Packing Materials

    KX-TG5671BXS / KX-TGA560BXS 26 ACCESSORIES AND PACKING MATERIALS Note: (*1) for Service (*2) These pads are pieces of Ref No. P4 (ACCESSORY BOX).

  • Page 87: Terminal Guide Of The Ics, Transistors And Diodes

    KX-TG5671BXS / KX-TGA560BXS 27 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES 27.1. Base Unit 27.2. Handset...
  • Page 88 KX-TG5671BXS / KX-TGA560BXS 28 REPLACEMENT PARTS LIST Note: Ref. Part No. Part Name & Description Remarks 1. RTL (Retention Time Limited) PQWE10037Z BATTERY TERMINAL PS-HB The marking (RTL) indicates that the Retention Time is PQBC10426Z2 BUTTON, NAVI KEY ABS-HB PQHR11103Z...
  • Page 89 KX-TG5671BXS / KX-TGA560BXS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks (JACKS AND CONNECTOR) R538 ERJ2GEJ472X 4.7K CN101 K2LB102B0053 JACK R673 ERJ2GEJ681 CN301 PQJJ1B4Y JACK R675 ERJ2GEJ681 CN661 K1MY32BA0026 CONNECTOR R677 ERJ2GEJ221...
  • Page 90 KX-TG5671BXS / KX-TGA560BXS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C516 ECST0JY106 C836 ECUV1A105KBV C517 ECUV1C104KBV C837 ECJ0EC1H101J 100P C518 ECUV1A106ZF C842 ECUV1A105KBV C521 ECJ0EB1A104K C843 ECUV1A474KBV 0.47 C531 ECUV1C104KBV C844...
  • Page 91 KX-TG5671BXS / KX-TGA560BXS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks HHR-P104A BATTERY L871 MQLRF3N3DFB COIL PQHE10160Z SPACER, BATTERY C723 MQLRF2N7DFB COIL PQKK10597Z1 LID, BATTERY COVER ABS-HB (LCR FILTERS) FL811 J0E5797B0001 LCR FILTER 28.2.2.
  • Page 92 KX-TG5671BXS / KX-TGA560BXS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C208 F1J0J1060007 C804 ECJ0EC1H150J C211 EEE0GA331WP C806 ECJ0EC1H100D C212 ECJ0EB1C103K 0.01 C809 ECJ0EB1C223K 0.022 C214 F1J0J1060007 C811 ECJ0EC1H020C C215 ECJ0EB1A104K C821...
  • Page 93 KX-TG5671BXS / KX-TGA560BXS 29 FOR SCHEMATIC DIAGRAM 29.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT_MAIN)) 29.1.1. Acoustic Testing Mode Notes: 1. DC voltage measurements are taken with voltmeter from the negative voltage line. 2. The schematic diagrams may be modified at any time with the development of new technology.
  • Page 94 KX-TG5671BXS / KX-TGA560BXS 30 SCHEMATIC DIAGRAM (BASE UNIT_MAIN) ANT0 ANT1 CON_EN V_RF V_RF (VPA) V_RF V_RF RADIO_EN RADIO_EN PA_CONT PA_CONT SYN_LE2 SYN_LE2 SYN_OUT SYN_OUT 4.0V SYN_DATA SYN_DATA SYN_CLK SYN_CLK SYN_LE1 SYN_LE1 TX_DATA TX_DATA RX_GAIN RX_GAIN RX_EN RX_EN TX_EN 3.3V TX_EN...
  • Page 95 KX-TG5671BXS / KX-TGA560BXS 4.0V 4.0V CONVERTOR IC331 Q300 L300 22uH VOUT VDET *RESET REFERENCE 1XX : TEL LINE 3XX : POWER, CHARGE 4XX : RESET, MIC, SP 5XX : DSP, RF I/F IC300 6XX : FLASH, KEY, LCD 1 ON/*OFF 7XX : RF(2.4G)
  • Page 96 KX-TG5671BXS / KX-TGA560BXS 31 SCHEMATIC DIAGRAM (BASE UNIT_RF PART) 4.0V 3.0V R864 R863 5.8GHz RF FL891 5.8GHz_LPF FL811 TRSW_IN VDD_PA 5.8GHz_BPF R813 3.0V GND_ISO1 PA_IN C891 ANT1 PA_EN 5.8GHz RF VCC_PA1 SYN_CLK GND_ISO2 IC851 ANTSEL_A GND_ISO3 ANTSEL_B 5.8G_PA C881 VCC_PA2...
  • Page 97 KX-TG5671BXS / KX-TGA560BXS L860 PA_CONT CON_EN IC841 IC761 4.0V 3.0V_REG 2.5V_REG C766 C846 RADIO_EN L768 VRF(3.0V) VRF(2.5V) VOUT VOUT SYN_LE2 SYN_OUT SYN_DATA SYN_LE1 SYN_CLK C714 K1000P C707 K1000P C751 2.5V D10P C708 C1.5P C713 D10P K470P C752 C735 K0.1 R747...
  • Page 98 KX-TG5671BXS / KX-TGA560BXS 32 SCHEMATIC DIAGRAM (BASE UNIT_OPERATION) SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 COM2 COM1 2APVCC MSG_LED MSG/VM LED904 MSG_LED ANS_LED LED907 ANS_LED INUSE_LED INUSE LED902 GREEN INUSE_LED CHG_LED CHARGE LED901 CHG_LED INT_LED 2APVCC LED909...
  • Page 99 KX-TG5671BXS / KX-TGA560BXS Memo...
  • Page 100 KX-TG5671BXS / KX-TGA560BXS 33 SCHEMATIC DIAGRAM (HANDSET_MAIN) OSC_IN RSSI RSSI TX_DATA TX_DATA PA_CONT PA_CONT RX_EN RX_EN TX_EN TX_EN RX_GAIN RX_GAIN RX_DATA RX_DATA CON_EN CON_EN SYN_LE2 SYN_LE2 RADIO_EN SHCTRL SHCTRL RF_RESET RF_RESET SYN_DATA SYN_DATA SYN_LE1 IC246 SYN_LE1 SYN_CLK SYN_CLK SYN_OUT SYN_OUT...
  • Page 101 KX-TG5671BXS / KX-TGA560BXS TEST SIGNAL FREQUENCY:1KHz SP phone RX (MIC Mute: ON) 1.8Vp-p/8 (Vol.MAX) L327 470nH L326 470nH SP-phone Headset TX -37dBm/600 R331 50mVp-p R340 R227 100k CN331 R225 L331 C340 K0.1 Q331 X201 L332 C335 13.824MHZ L334 R201 22uF...
  • Page 102 KX-TG5671BXS / KX-TGA560BXS 34 SCHEMATIC DIAGRAM (HANDSET_RF PART) 3.3V 3.0V R863 R864 3.0V 5.8GHz TX TRSW_IN VDD_PA FL811 5.8GHz_BPF R813 5.8GHz RF GND_ISO1 PA_IN ANT1 PA_EN C891 IC851 VCC_PA1 SYN_CLK GND_ISO2 ANTSEL_A 5.8G_PA GND_ISO3 ANTSEL_B C881 VCC_PA2 VCC_TXRX ANT2 LNA_EN...
  • Page 103 KX-TG5671BXS / KX-TGA560BXS L860 PA_CONT CON_EN 3.6~4.2V IC841 IC761 3.0V_REG 2.5V_REG C766 C846 RADIO_EN L768 VRF(3.0V) VRF(2.5V) VOUT VOUT SYN_LE2 SYN_OUT SYN_DATA 2.5V SYN_LE1 SYN_CLK C707 K1000P C714 K1000P C751 D10P C713 C708 C1.5P D10P C752 K470P C735 K0.1 R747...
  • Page 104 KX-TG5671BXS / KX-TGA560BXS Memo...
  • Page 105 KX-TG5671BXS / KX-TGA560BXS CN661 L102 L101 Q142 Q156 P101 Q141 Q161...
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  • Page 114 KX-TG5671BXS / KX-TGA560BXS A.I./N KXTG5671BXS KXTGA560BXS...

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