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Panasonic KX-TGCA20EX Service Manual
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Panasonic KX-TGCA20EX Service Manual

Telephone equipment
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KX-TGCA20
(Handset)
KX-TGC220
(Base Unit)
Configuration for each model
Model No
Base Unit
KX-TGC210 1 (TGC210) 1 (TGCA20)
KX-TGC212 1 (TGC210) 2 (TGCA20)
KX-TGC213 1 (TGC210) 3 (TGCA20)
KX-TGC220 1 (TGC220) 1 (TGCA20)
KX-TGC222 1 (TGC220) 2 (TGCA20)
KX-TGCA20
KX-TGC210
(Base Unit)
(Charger Unit)
Handset
Charger Unit
1
2
1
1 (TGCA20)
1
Telephone Equipment
Model No.
KX-TGC210BL/KX-TGC212BL
KX-TGC213BL/ KX-TGC222BL
KX-TGC210CX/ KX-TGC212CX
KX-TGC210HK/ KX-TGC212HK
KX-TGC210TU/ KX-TGC210TW
KX-TGC212TW/ KX-TGC210BX
KX-TGC212BX/ KX-TGC220BX
KX-TGC222BX/ KX-TGC210UE
KX-TGC212UE/ KX-TGC213UE
KX-TGC220UE/ KX-TGC222UE
KX-TGC210ML/ KX-TGC212ML
KX-TGCA20EX/KX-TGCA20BX
KX-TGCA20CX/ KX-TGCA20HK
KX-TGCA20TW/KX-TGCA20ML
Digital Cordless Phone
Digital Cordless Answering System
B: Black Version
S: Silver Version
(BL: for Belgium)
(CX: for Singapore, Vietnam, Indonesia)
(HK: for Hong Kong)
(TU: for Tunisia, Algeria, Morocco)
(TW: for Taiwan)
(BX: for Iran, Yemen, Pakistan, Ghana, Libyan Arab,
Mauritius, Lebanon, Bahrain)
(UE: for UAE, Nigeria, Kuwait, Qatar)
(ML: for Malaysia)
© Panasonic System Networks Co., Ltd. 2014
Unauthorized copying and distribution is a violation
of law.
ORDER NO.: KM41408855CE

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Summary of Contents for Panasonic KX-TGCA20EX

  • Page 1 1 (TGCA20) (TW: for Taiwan) (BX: for Iran, Yemen, Pakistan, Ghana, Libyan Arab, Mauritius, Lebanon, Bahrain) (UE: for UAE, Nigeria, Kuwait, Qatar) (ML: for Malaysia) © Panasonic System Networks Co., Ltd. 2014 Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 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-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 5 9.1.13. Check TAM Operation (for KX-TGC220 1.1. For Service Technicians --------------------------------- 5 only) ---------------------------------------------------- 39 2 Warning -------------------------------------------------------------- 5 9.2. Troubleshooting by Symptom (Base Unit and 2.1. Battery Caution--------------------------------------------- 5 Charger Unit)---------------------------------------------- 40 9.2.1.
  • Page 4 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 13.4. Handset (Main) ------------------------------------------- 74 14 Printed Circuit Board ------------------------------------------ 77 14.1. Base Unit (Main)------------------------------------------ 77 14.1.1. Component View ------------------------------------ 77 14.1.2. Bottom View ------------------------------------------ 78 14.2. Base Unit (Operation) (KX-TGC220 only) --------- 79 14.3. Handset----------------------------------------------------- 81 14.3.1. Component View ------------------------------------ 81 14.3.2.

  • Page 5: Safety Precautions

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 1 Safety Precautions 1.1. For Service Technicians • Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires, injury or electric shock, which can be caused by improper repair work. 1.

  • Page 6: Suggested Pbf Solder

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 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 manufacturer's specific instructions for the melting points of their products and any precautions for using their product with other materials.

  • Page 7: Specifications

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 3 Specifications Standard: DECT (Digital Enhanced Cordless Telecommunications), GAP (Generic Access Profile) Number of Channels: 120 Duplex Channels Frequency Range: 1.88 GHz to 1.90 GHz Duplex Procedure: TDMA (Time Division Multiple Access) Channel Spacing: 1,728 kHz Bit Rate: 1,152 kbit/s Modulation: GFSK (Gaussian Frequency Shift Keying) RF Transmission Power:...

  • Page 8: Technical Descriptions

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4 Technical Descriptions 4.1. Block Diagram (Base Unit_Main)

  • Page 9: Circuit Operation (Base Unit)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.2. Circuit Operation (Base Unit) 4.2.1. Outline Base Unit consists of the following ICs as shown in Block Diagram (Base Unit_Main) (P.8). • DECT BBIC (Base Band IC): IC501 - Handling all the audio, signal and data processing needed in a DECT base unit - Controlling the DECT specific physical layer and radio section (Burst Module Controller section) - ADPCM code filter for speech encoding and speech decoding (DSP section) - Echo-cancellation and Echo-suppression (DSP section)

  • Page 10: Block Diagram (Base Unit_Rf Part)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.3. Block Diagram (Base Unit_RF Part) ANT1...

  • Page 11: Circuit Operation (Base Unit)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.4. Circuit Operation (Base Unit) General Description: (BBIC, Flash Memory, EERROM) 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. The BBIC system is fully controlled by a host processor. The host processor provides activation and control of all that functions as follows.

  • Page 12: Power Supply Circuit/Reset Circuit

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.4.4. Power Supply Circuit/Reset Circuit The power supply voltage from AC adaptor is converted to VBAT (3.0V) in IC302. And +3.0V for peripherals and analog part is insulated from VBAT by Doubler of BBIC. Circuit Operation: +3.0V VBAT IC601 IC501 IC302 VBAT...
  • Page 13 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.4.4.1. Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits. +5.5V F301 CHARGE+ CHARGE-...

  • Page 14: Telephone Line Interface

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.4.5. 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 15 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 In IC501, the carrier frequency is changing, and frequency modulated RF signal is generated.In IC501,RF signal is amplified, and radiated from antenna. Handset detects the voice signal or data signal in the circuit same as the following explanation of Receiver Block.

  • Page 16: Block Diagram (Handset)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.5. Block Diagram (Handset)

  • Page 17: Circuit Operation (Handset)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.6. Circuit Operation (Handset) 4.6.1. Outline Handset consists of the following ICs as shown in Block Diagram (Handset) (P.16). • DECT BBIC (Base Band IC): IC1 - All data signals (forming/analyzing ACK or CMD signal) - All interfaces (ex: Key, Detector Circuit, Charge, DC/DC Converter, EEPROM, LCD, RF Power Amp.) - PLL Oscillator - Detector - Compress/Expander...

  • Page 18: Signal Route

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 4.7. Signal Route ROUTE SIGNAL ROUTE MIC (+) - C13 - IC1 (17) IC1(86) C859 - ANT to BASE HANDSET TX MIC (–) - C11 - IC1 (18) IC1(87) ---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141 - D101 - P101 - T/R(TEL LINE) HANDSET RX T/R(TEL LINE) - P101 - D101 - Q141 - R165 - R177 - C173 - Q171 - C178...
  • Page 19 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 RF part signal route SIGNAL ROUTE ROUTE HANDSET RF IC1(86/87) - C859 - ANT [ TX_ROUTE ] HANDSET RF ANT - IC(1/2) [ RX_ROUTE ] IC501(44/45) - C819 - C872 - ANT BASE UNIT RF [ TX_ROUTE ] ANT - C872 - C895 - IC501(46/47) BASE UNIT RF [ RX_ROUTE ] Note:...

  • Page 20: Location Of Controls And Components

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 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. 7 Operating Instructions Refer to the Operating Instructions.

  • Page 21: Test Mode

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 8 Test Mode 8.1. Engineering Mode 8.1.1. Base Unit Important: Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit. Soft keys (Off/Power) Navigator key/ (Volume) key/ (Phonebook)/ (Caller list) key/ (Redial) key/ {Talk } /ECO...
  • Page 22 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Frequently Used Items (Base Unit) ex.) Items Address Default Data New Data Remarks C-ID (FSK) sensitivity 08 6A/08 69 00/28 00/1C 00/14 When hex changes from “00/28” to “00/1C” or (3 dB up) (6 dB up) “00/14”, gain increases by 3 dB or 6 dB. C-ID (DTMF) sensitivity 08 86/08 85 08/00...

  • Page 23: Handset

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 8.1.2. Handset Important: Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit. Soft keys (Off/Power) Navigator key/ (Volume) key/ (Phonebook)/ (Caller list) key/ (Redial) key/ { Talk} /ECO Dial keypad R: Recall/Flash ECO: Eco mode shortcut key H/S LCD...
  • Page 24 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Frequently Used Items (Handset) ex.) Items Address Default Data New Data Possible Adjusted Possible Adjusted Remarks Value MAX (hex) Value MIN (hex) Battery Low 00 09 (*2) Frequency 00 07 / 00 08 70/02 00 02 ~ 00 06 Given value Note: (*1) When you enter the address or New Data, please refer to the table below.

  • Page 25: Eeprom Layout (Handset)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 8.2. EEPROM LAYOUT (Handset) 8.2.1. Scope The purpose of this section is to describe the layout of the EEPROM (IC7) for the KX-TGCA20 Handset. The EEPROM contains hardware, software, and user specific parameters. Some parameters are set during production of the handset, some are set by the user when configuring the handset, and some during normal use of the phone.

  • Page 26: How To Clear User Setting

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 8.3. 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.) Note: • Some menus are not reset. Refer to Operating Instructions (P.20). •...

  • Page 27: Troubleshooting Guide

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart FLOW CHART Not working Power ON Base Unit Check Power Not playback Playback Pre-Message Check Playback Not record Record Check Record Link No link No charge Battery Charge Check Battery Charge Check Link Range Check the RF part No voice...

  • Page 28: Check Power

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.1. Check Power 9.1.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (*1) AC Adaptor. Is output voltage of AC adaptor 5.5 V? Check Check Power Supply Circuit. Check VDDC (1.2 V): Test Point [VDDC] RSTN: Reset = "High"? Check Reset Circuit.

  • Page 29: Check Record

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.2. Check Record 9.1.2.1. Base Unit A) Not record Incoming Message Check Telephone Line Interface Check Bell signal. [Bell]. Check Telephone Line Interface Does the unit catch line? [OFF HOOK]. Check Line In: Pin 16 of BBIC. Check ICM Recording in Signal Route. Check Auto Disconnect Circuit.

  • Page 30: Check Playback

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.3. Check Playback 9.1.3.1. Base Unit Check VDDC (1.2 V): Test Point [VDDC] Check Power Supply Circuit. Check output of BBIC (Pin 29, 31). Check BBIC and Flash Memory. Check Speaker and its surroundings. Cross Reference: Note: Power Supply Circuit/Reset Circuit (P.12) Flash Memory is IC601.

  • Page 31: Check Link

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.5. Check Link 9.1.5.1. Base Unit Does Base Unit make link with normal working Base Unit is OK. Check Handset. Handset? Is the voltage of VBAT about 3.0 V? Check around Power Supply Circuit. Is the voltage of VDDC about 1.2 V? Is the voltage of +3.0V about 3.0 V? Adjust +3.0V voltage to 3.0 V.
  • Page 32 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.5.2. Handset Does Handset make link with Base Unit? Handset is OK. Check Base Unit. (Correct working unit) Is the voltage of "1.8V" about 1.8 V? Adjust 1.8V voltage to 1.8 V. Check around Power Supply Circuit/Reset Circuit . Is the voltage of CP3V about 3.0 V? Is the voltage of CP4V about 4.0V? Check BBIC (IC1)

  • Page 33: Check The Rf Part

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.6. Check the RF part 9.1.6.1. Finding out the Defective part 1. Prepare Regular HS(*1) and Regular BU(*2). 2. a. Re-register regular HS (Normal mode) to base unit (to be checked). If this operation fails in some ways, the base unit is defective. b.
  • Page 34 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.6.2. RF Check Flowchart Each item (1 ~ 6) of RF Check Flowchart corresponds to Check Table for RF part (P.35). Please refer to the each item. Start Link Control Check BBIC interface parts. confirmation signal (RF Block <->BBIC on BU/HS P.C.B) Normal confirmation X'tal...
  • Page 35 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.6.3. Check Table for RF part Item BU (Base Unit) Check HS (Handset) Check Link Confirmation Normal 1. Register Regular HS to BU (to be 1. Register HS (to be checked) to Regular checked). HS, BU Mode [Normal Mode] 2.
  • Page 36 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.6.4. 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 TEST 1. Register Regular HS to BU (to be checked). 1. Register HS (to be checked) to Regular BU. (TX Power check) 2.

  • Page 37: Registering A Handset To The Base Unit

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.7. Registering a Handset to the Base Unit 1 Handset: {MENU} # 1 3 0 2 Base unit: Press and hold { } for about 5 seconds. L If all registered handsets start ringing, press { } again to stop, then repeat this step.

  • Page 38: Check Handset Transmission

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.9. Check Handset Transmission Check MIC of handset. Check handset Tx in Signal Route. Cross Reference: Signal Route (P.18) 9.1.10. Check Handset Reception Check speaker of handset. Check handset Rx in Signal Route. Cross Reference: Signal Route (P.18) Note: When checking the RF part, Refer to Check the RF part (P.33).

  • Page 39: Bell Reception

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.1.12. Bell Reception 9.1.12.1. Base Unit When bell signal is coming, is there bell sound Check around C103, C104, C105, C106, C107, signal at BBIC (IC501:CIDINp, CIDINn)? C109, C110, C111, C113, R101, R102, R103, R104, R109, R110, R111, R112, P101 Check around IC501 (VDD_PA), C506, C472, C473, When bell signal is coming, is there bell sound C477, C478, R477, R478...

  • Page 40: Troubleshooting By Symptom (Base Unit And Charger Unit)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.2. Troubleshooting by Symptom (Base Unit and Charger Unit) If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester (*1) or not. Remedy (*2) Symptom You have DECT Tester. You don’t have DECT Tester.
  • Page 41 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Items Check Procedure Check or Point Replace Parts 1. Connect Telephone Socket to DTMF tester. (Load=600 ) (I) DTMF Generator Check IC501, C184, 2. Link Handset and push dial key. Q161, D141 3. Confirm DTMF character. 4. Confirm that the high Group is -8.0 ± 2 dBm (for BL,ML) or -6.0 ± 2 dBm (for TU,BX,UE,CX,HK,TW).

  • Page 42: Troubleshooting By Symptom (Handset)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 9.3. Troubleshooting by Symptom (Handset) If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester (*1) or not. Symptom Remedy (*2) You don’t have DECT Tester. You have DECT Tester. (Model Number: CMD60) Battery strength is not indicated correctly by Battery icon.
  • Page 43 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Items Check Procedure Check or Point Replace Parts (F)* Battery Monitor Check 1. Apply 2.25 V between BATT+ and BATT-. IC1, R45 2. Execute the command sendchar PAD sendchar LED 0 sendchar CRX 0 1 sendchar AD1 It assumes that the return value is XX. a) XX: 70: No need to adjust b) XX: 66 ~ 6F: Need to adjust XX: 71 ~ 7A: Need to adjust...
  • Page 44 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Items Check Procedure Check or Point Replace Parts Audio Check and 1. Link to BASE which is connected to Line Simulator. IC1, C12, C11, Confirmation 2. Set line voltage to 48 V and line current to 50 mA. C13, MIC, 3.

  • Page 45: Disassembly And Assembly Instructions

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 10 Disassembly and Assembly Instructions 10.1. Disassembly Instructions 10.1.1. Base Unit 10.1.1.1. KX-TGC210 Remove the 2 screws to remove the cabinet cover. Remove the solders. Solders Remove the main P.C. board.
  • Page 46 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 10.1.1.2. KX-TGC220 Remove the 2 screws to remove the cabinet cover. Remove the solders. Solders Remove the main P.C. board.
  • Page 47 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Remove the 2 screws to remove the charge case and the operational P.C. board.

  • Page 48: Handset

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 10.1.2. Handset 2 screws Remove the 2 screws. Insert a plastic card. (Ex. Used SIM card etc.) Cabinet body between the cabinet body and the cabinet cover, then pull it along the gap to open the cabinet. Cabinet cover Likewise, open the other side of the cabinet.

  • Page 49: Charger Unit

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 10.1.3. Charger Unit 2 charge terminals...

  • Page 50: How To Replace The Handset Lcd

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 10.2. How to Replace the Handset LCD Note: The illustrations are simplified in this page. They may differ from the actual product. P. C. board Vertical Interval Tolerance Peel off the FFC (Flexible Flat Cable) from 0.2 mm the LCD, in the direction of the arrow. Take care to ensure that the foil on the P.C.

  • Page 51: Measurements And Adjustments

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11 Measurements and Adjustments This chapter explains the measuring equipment, the JIG connection, and the PC setting method necessary for the measurement in Troubleshooting Guide (P.27) 11.1. Equipment Required • Digital multi-meter (DMM): it must be able to measure voltage and current. •...

  • Page 52: How To Install Batch File Into P.c

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.2.2. How to install Batch file into P.C. Insert the Batch file CD-ROM into CD-ROM drive and copy PNZZTG**** folder to your PC (example: D drive). <Example for Windows> On your computer, click [Start], select Programs Open an MS-DOS mode window. (All Programs for Windows XP/Windows Server 2003), then click MS-DOS Prompt.

  • Page 53: Adjustment Standard (Base Unit)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.3. Adjustment Standard (Base Unit) When connecting the simulator equipment for checking, please refer to below. 11.3.1. Bottom View Frequency Counter (*1) * Send command "SFR", then Oscilloscope the frequency output on this TP. Volt Meter Oscilloscope (*2) * Start Monitor B L U O R G CHARGE-...

  • Page 54: The Setting Method Of Jig (Handset)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.4. The Setting Method of JIG (Handset) This section explains the PC setting to use command required in Check Point (Handset)(P.42). <Preparation> Note: *: If you have the JIG Cable for TCD500 series • Serial JIG cable: PQZZ1CD300E* (PQZZ1CD505E), change following values...

  • Page 55: How To Install Batch File Into P.c

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.4.2. How to install Batch file into P.C. Insert the Batch file CD-ROM into CD-ROM drive and copy PNZZTG***** folder to your PC (example: D drive). <Example for Windows> Open an MS-DOS mode window. On your computer, click [Start], select Programs (All Programs for Windows XP/Windows Server 2003), then click MS-DOS Prompt.

  • Page 56: Adjustment Standard (Handset)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.5. Adjustment Standard (Handset) When connecting the simulator equipment for checking, please refer to below. 11.5.1. Component View ANT-Short-GND ANT-Short G R E E N RECEIVER PNLB2318Z O R A N G E T G C A 2 0 x x C92 C94 C61 C63 C 9 3...

  • Page 57: Things To Do After Replacing Ic Or X'tal

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.6. Things to Do after Replacing IC or X'tal If repairing or replacing EEPROM and X'tal, it is necessary to download the required data such as Programming data or adjustment data, etc. in memory. The set doesn't operate if it is not executed. 11.6.1.
  • Page 58 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.6.1.2. Handset First, operate the PC setting according to The Setting Method of JIG (P.51). Then download the appropriate data according to the following procedures. Items How to download/Required adjustment EEPROM (IC7) Adjusted parameter data is 1) Default batch file: Execute the command “default.bat”. stored in memory.

  • Page 59: Rf Specification

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.7. RF Specification 11.7.1. Base Unit Item Value Refer to -. * TX Power 18.5 dBm ~ 25 dBm Check Point (Base Unit) (J) Modulation -350 ± 50/+350 ± 50 kHz/div Check Point (Base Unit) (K) Frequency Offset <±20 kHz Check Point (Base Unit) (L) RX Sensitivity <...

  • Page 60: How To Check The Handset Speaker Or Receiver

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 11.8. How to Check the Handset Speaker or Receiver 1. Prepare the digital voltmeter, and set the selector knob to ohm meter. 2. Put the probes at the speaker terminals as shown below. SPEAKER: Is the value between (+) terminal and (–) terminal about 8 Ω? RECEIVER: Is the value between (+) terminal and (–) terminal about 40 Ω?

  • Page 61: Miscellaneous

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 12 Miscellaneous 12.1. 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. 12.1.1.

  • Page 62: How To Install The Ic

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 12.1.3. 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. 3.

  • Page 63: How To Replace The Shield Case

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 12.2. How to Replace the Shield Case 12.2.1. 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 64: How To Install The Shield Case

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 12.2.4. How to Install the Shield Case Note: • If you don’t have special tools (ex. Hot air disordering tool), conduct the following operations. • Shield case’s No. : PNMC1091Z 1. Put the shield case. 2. Solder the surroundings.

  • Page 65: Terminal Guide Of The Ics, Transistors And Diodes

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 12.3. Terminal Guide of the ICs, Transistors and Diodes 12.3.1. Base Unit Cathode (Reverse View) 89pin (GND) Anode PNWI1GC210GH PNWI1GC220GH DA2J10100L C2HBCY000144 C0DBEYY00102 PNWI2GC220GH PQVDPTZT2530 Cathode Anode Cathode Anode DA2J10100L B1ACGP000008 B0EDER000009 B0ECKM000008 DSC7003S0L 1SS355 Anode Cathode 2SC6054JSL, B1GBCFYY0020 B1ABDM000001, 2SA1576S DRC9113Z0L , B1ABCE000009 B0BC02000015...
  • Page 66 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Memo...

  • Page 67: Schematic Diagram

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 13 Schematic Diagram 13.1. For Schematic Diagram 13.1.1. Base Unit (Base Unit (Main)) Notes: 1. DC voltage measurements are taken with voltmeter from the negative voltage line. Important Safety Notice: Components identified by mark have special characteristics important for safety.

  • Page 68: Base Unit (Main)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 13.2. Base Unit (Main) 13.2.1. KX-TGC210 RF Block +3.0V ANT1 ANT- Pattern Wm=0.4mm ANT1_Short Lm=10mm C872 1.3p C895 C873 C871 ANT1_S-GND 1.5p R172 680k C175 SHORT1 SHORT 560p Q171 W 0.2mm W 0.15mm L 3.8mm L 6.2mm 1st layer 1st layer W=0.3mm W=0.3mm...
  • Page 69 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 1XX : TEL LINE 3XX : POWER, CHARGE 4XX : MIC, SP 5XX : BBIC (BL) *R160 *Q141 (CX, HK, TW, TU, BX, UE) 6XX : FLASH, EEPROM, KEY, LCD 7XX : FOR DK/BT 8XX : RF 9XX : BACKUP R141 C193 R177...

  • Page 70: Kx-Tgc220

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 13.2.2. KX-TGC220 RF Block +3.0V ANT1 ANT- Pattern Wm=0.4mm ANT1_Short Lm=10mm C872 1.3p C895 Rx RF C873 C871 ANT1_S-GND 1.5p R172 680k C175 SHORT1 SHORT 560p Q171 C193 W 0.2mm W 0.15mm R177 L 3.8mm L 6.2mm 1st layer 1st layer W=0.3mm W=0.3mm...
  • Page 71 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 1XX : TEL LINE 3XX : POWER, CHARGE 4XX : MIC, SP 270(for BL) 5XX : BBIC *Q141 R160 820(for BX,UE) 6XX : FLASH, EEPROM, KEY, LCD 7XX : FOR DK/BT 8XX : RF 9XX : BACKUP R141 Q161 100k C101 680p (RED)

  • Page 72: Base Unit (Operation)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 13.3. Base Unit (Operation) KEYIN2 KEYS_C KEYIN1 DOWN KEYS_E KEYIN3 KEYS_D ANS_LED MSG_LED LED_VDD ERASE LOCATOR LED901 (ANS_LED) ANSWER SKIP REPEAT LED902 (MSG_LED) NC: No Components KX-TGC220 SCHEMATIC DIAGRAM (Base Unit_Operation)
  • Page 73 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Memo...

  • Page 74: Handset (Main)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 13.4. Handset (Main) Charge Current VBAT VBAT To Battery 2.5A BATT+ K0.1u SOCp 6.3V BATT- 220u J39p SOCn SHORT * When "SFR" command is executed, 13.824MHz frequency will be output. K1000p CHG+ CHG+ CP3V (3216) K0.1u To Charge Terminal K0.1u CHG- 3.3k...
  • Page 75 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 *open-stub $N>l9g SLx2 RF BLOCK W1=0.2mm L1=3.3mm RX-balun W2=0.7mm L2=5.0mm ANT-Short W=0.170mm 50 ohm line W=0.25mm <u?.46EY:GE,2=$N$?$a L=3.6mm L=2mm ANT-Short-GND L=2mm %A%C%W$KCV$-49$( S=0.125mm RF_RXn ANT1_TP RX_RF W=0.25mm L=2mm 50 ohm line RF_RXp SHORT Total L=4mm +1.8V W=0.3mm W=0.3mm W=0.25mm C859 L=6.95mm L=6.5mm...
  • Page 76 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Memo...

  • Page 77: Printed Circuit Board

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 14 Printed Circuit Board 14.1. Base Unit (Main) 14.1.1. Component View HAK_CL1 C478 C477 D473 D472 D362 C811 C341 X501 C509 C508 C510 R331 C507 C331 C511 R332 R501 C181 C505 R122 C506 RA151 R121 C820 C819 C863 C872 C503 C122 C873...

  • Page 78: Bottom View

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 14.1.2. Bottom View B L U O R G C H A R G E - R 3 2 1 C 3 5 1 C H A R G E + R 3 2 2 C 3 4 2 R 3 7 2 I C 3 0 2 R 7 0 1...

  • Page 79: Base Unit (Operation) (Kx-Tgc220 Only)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 14.2. Base Unit (Operation) (KX-TGC220 only) DOWN PNLB2320Z K X - T G C 2 x x H LOCATOR LED901 ERASE ANSWER1 ANSWER SKIP MSG1 REPEAT MSG3 MSG2 LED902 KX-TGC220 OPERATION BOARD (Base Unit (Component View))
  • Page 80 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Memo...

  • Page 81: Handset

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 14.3. Handset 14.3.1. Component View ANT-Short-GND ANT-Short G R E E N RECEIVER PNLB2318Z O R A N G E T G C A 2 0 x x ANT1_TP C92 C94 C61 C63 C 9 3 CP3V CP3V B L U E O R A N G E C191 JTAG...

  • Page 82: Bottom View

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 14.3.2. Bottom View R E F - 1 LED9 LED7 LED8 SOFT_A1 SOFT_A2 SOFT_C1 SOFT_C2 TALK1 OFF2 RIGHT LEFT TALK2 OFF1 DOWN LED5 LED3 LED2 LED1 SHARP LED4 LED6 FLASH KX-TGCA20 HANDSET BOARD (Bottom View)

  • Page 83: Exploded View And Replacement Parts List

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit) 15.1.1. KX-TGC210 PCB1 Ref.No. Figure 2.6 x 8mm...

  • Page 84: Kx-Tgc220

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.1.2. KX-TGC220 PCB2 PCB1 Ref.No. Figure 2.6 x 8mm...

  • Page 85: Cabinet And Electrical Parts (Handset)

    (*1) This cable is fixed by welding. Refer to How to Replace the Handset LCD (P.50). (*2) The rechargeable Ni-MH battery HHR-4MVE (for BL) , HHR-4MY (for CX/HK/TU/TW/BX/UE/ML) is available through sales route of Panasonic. (*3) Attach the SPACER (No. 114) to the exact location described above.

  • Page 86: Cabinet And Electrical Parts (Charger Unit)

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.3. Cabinet and Electrical Parts (Charger Unit) 200-1 200-5 200-2 200-3 200-4...

  • Page 87: Accessories And Packing Material

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.4. Accessories and Packing Material 15.4.1. KX-TGC210BL, KX-TGC212BL, KX-TGC213BL, KX-TGC222BL, KX-TGC210CX, KX- TGC212CX, KX-TGC210TU, KX-TGC210BX, KX-TGC212BX, KX-TGC220BX, KX- TGC222BX A3, A6 (*2) A1, A5 (*1) Note: (*1) for Base unit (*2) for Charger unit...

  • Page 88: For Kx-Tgc210Hk, Kx-Tgc210Tw, Kx-Tgc210Ue

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.4.2. For KX-TGC210HK, KX-TGC210TW, KX-TGC210UE (*1) A101 P103 (*1) A103 A102 P104 P102 A104, A105 P101 P105 Note: (*1) This pad is a piece of Ref No.P102 (PAD).

  • Page 89: For Kx-Tgc212Hk, Kx-Tgc212Tw, Kx-Tgc212Ue

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.4.3. For KX-TGC212HK, KX-TGC212TW, KX-TGC212UE A201 A202 P204 A203 A204 (*1) P203 P205 P202 A205, A206 P201 P206 Note: (*1) This pad is a piece of Ref No.P202 (PAD).

  • Page 90: For Kx-Tgc213Ue

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.4.4. For KX-TGC213UE P304 A303 P304 P307 A302 P303 (*1) A301 (*1) P302 (*1) P306 A304, A305, A306 P301 P305 Note: (*1) This pad is a piece of Ref No.P306 (PAD).

  • Page 91: Kx-Tgc220Ue

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.4.5. KX-TGC220UE (*1) A401 P402 (*1) A402 P403 P405 A403, A404, A405 P401 P404 Note: (*1) This pad is a piece of Ref No.P405 (PAD).

  • Page 92: Kx-Tgc222Ue

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.4.6. KX-TGC222UE A501 A502 P503 A503 (*1) P502 P504 P506 A504, A505, A506 P501 P505 Note: (*1) This pad is a piece of Ref No.P506 (PAD).

  • Page 93: Replacement Parts List

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.5. Replacement Parts List Safety Ref. Part No. Part Name & Description Remarks 1. RTL (Retention Time Limited) PNKM1544T4 CABINET BODY(for ABS-HB TGC210CXS/KX-TGC212CXS/ Note: KX-TGC210HKS/KX- The “RTL” marking indicates that its Retention Time is TGC212HKS/KX-TGC210TUS/ Limited. KX-TGC210TWS/KX- TGC212TWS/KX-TGC210BXS/ When production is discontinued, this item will KX-TGC212BXS/KX- continue to be available only for a specific period of TGC210UES/KX-TGC212UES/...
  • Page 94 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks PNKF1325Y2 CABINET COVER(for PS-HB L803 G1C2N7Z00009 COIL TGC222BLB) (RESISTOR ARRAYS) PNKF1325Y1 CABINET COVER(for PS-HB RA151 EXB24V102JX COMPONENTS PARTS TGC220BXS, RA611 EXB28V332JX COMPONENTS PARTS TGC222BXS, (VARISTOR)
  • Page 95 KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C121 F1K2H681A008 680p IC601 PNWI2GC220GH IC (FLASH) C122 F1K2H681A008 680p IC611 PNWI1GC220GH IC (EEPROM)(*1) C141 F1H1A225A051 2.2(for BL, TU) (TRANSISTORS) C142 ECUV1H103KBV 0.01 Q111 2SC6054JSL...

  • Page 96: Handset

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.5.1.3. Operational P.C.Board Parts Safety Ref. Part No. Part Name & Description Remarks (KX-TGC220 only) R701 D0GA332JA015 3.3k(for BL) R702 D0GA102JA021 1k R924 D0GA102JA021 1k Safety Ref. Part No. Part Name & Description Remarks (CAPACITORS) C101 F1K2H681A008 680p PCB2 PNWP2TGC220H OPERATIONAL P.C.BOARD C102 F1K2H681A008 680p...

  • Page 97: Charger Unit

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.5.2.2. Main P.C.Board Parts Safety Ref. Part No. Part Name & Description Remarks Note: ECUE1H390JCQ 39p (*1) Reconfirm the model No. written on the handset’s name ECUE1H102KBQ 0.001 plate when replacing PCB100. Because the model No. of ECUE0J105KBQ 1 the optional handset may differ from the included handset.

  • Page 98: Accessories And Packing Materials

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks 200-3 PNKF1280Z4 CABINET COVER (for PS-HB A105 PNQW4164Z LEAFLET, TRA(for Silver Version) TGC210UE)(*1) 200-4 PQHA10023Z RUBBER PARTS, FOOT A106 PNQW4162Z QUICK GUIDE(ARA)(for CUSHION KX-TGC210UE)(*1)

  • Page 99: Screws

    KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20 15.5.5. Screws Safety Ref. Part No. Part Name & Description Remarks P206 PNQA5983Z LABEL, APPROVAL(for KX- TGC212HK) Safety Ref. Part No. Part Name & Description Remarks P206 PNQA5968Z LABEL, (for TGC212UE) XTB26+8GFJ TAPPING SCREW P206 PNQA3594Z LABEL, IMPORTER (for XTB2+8GFJ TAPPING SCREW KX-TGC212ML)

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