Panasonic KX-TG9471B Service Manual
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Panasonic KX-TG9471B Service Manual

Digital corded/cordless answering system
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Caller ID Compatible
KX-TGA939T
(Portable)
(Charger Unit)
Configuration for each model
Model No
Base Unit
Portable
KX-TG9471
1 (TG9471) 1 (TGA939)
KX-TG9472
1 (TG9471) 2 (TGA939)
KX-TGA939*
1 (TGA939)
*
KX-TGA939 is also an optional accessory, which contains a portable
and a charger.
KX-TG9471B
(Base Unit)
Charger Unit Expandable
1
Up to 6
2
Up to 6
1
Telephone Equipment
KX-TG9471B
Model No.
KX-TG9472B
KX-TGA939
Digital Corded/Cordless Answering System
B: Black Version
(for U.S.A.)
© Panasonic System Networks Co., Ltd. 2011
Unauthorized copying and distribution is a
violation of law.
ORDER NO. KM41108472CE
F13
T

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Summary of Contents for Panasonic KX-TG9471B

  • Page 1 KX-TG9472 1 (TG9471) 2 (TGA939) Up to 6 KX-TGA939* 1 (TGA939) KX-TGA939 is also an optional accessory, which contains a portable and a charger. © Panasonic System Networks Co., Ltd. 2011 Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TG9471B/KX-TG9472B/KX-TGA939T 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-TG9471B/KX-TG9472B/KX-TGA939T TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 4 14.1. Circuit Board (Base Unit_Main) ---------------------- 89 1.1. For Service Technicians --------------------------------- 4 14.2. Circuit Board (Base Unit_Operation)---------------- 91 2 Warning -------------------------------------------------------------- 4 14.3. Circuit Board (Base Unit_LCD) ----------------------- 93 2.1.

  • Page 4: Safety Precautions

    KX-TG9471B/KX-TG9472B/KX-TGA939T 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.

  • Page 5: Discarding Of P. C. Board

    KX-TG9471B/KX-TG9472B/KX-TGA939T 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...

  • Page 6: Specifications

    KX-TG9471B/KX-TG9472B/KX-TGA939T 3 Specifications ■ ■ Standard: Bit rate: DECT 6.0 (Digital Enhanced Cordless 1,152 kbit/s ■ Telecommunications 6.0) Modulation: ■ Number of channels: GFSK (Gaussian Frequency Shift Keying) 60 Duplex Channels ■ RF transmission power: ■ Frequency range: 115 mW (max.) 1.92 GHz to 1.93 GHz...

  • Page 7: Technical Descriptions

    KX-TG9471B/KX-TG9472B/KX-TGA939T 4 Technical Descriptions 4.1. Block Diagram (Base Unit)

  • Page 8: Circuit Operation (Base Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 4.2. Circuit Operation (Base Unit) 4.2.1. Outline Base unit consists of the following ICs as shown in Block Diagram (Base Unit) (P.7). • DECT BBIC (Base Band IC): IC501 - Handling all the audio, signal and data processing needed in a US DECT base unit...
  • Page 9 KX-TG9471B/KX-TG9472B/KX-TGA939T 4.2.2. Power Supply Circuit The power is supplied to the DECT BBIC, RF Module, EEPROM, TAM Companion, OP Amp, and Charge Contact from AC Adaptor (+6.5 V) as shown in Fig.101. The power supply is as follows; • DECT BBIC (IC501): CN301 (+6.5 V) →...
  • Page 10 KX-TG9471B/KX-TG9472B/KX-TGA939T 4.2.3. Telephone Line Interface Note: ]: Line 2 <Function> • Bell signal detection • Clip signal detection • ON/OFF hook circuit Bell & Clip (: Calling Line Identification Presentation: Caller ID) signal detection: In the standby mode, Q101 [Q201] is open to cut the DC loop current and decrease the ring load.

  • Page 11: Block Diagram (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 4.3. Block Diagram (Portable)

  • Page 12: Circuit Operation (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 4.4. Circuit Operation (Portable) 4.4.1. Outline Portable consists of the following ICs as shown in Block Diagram (Portable) (P.11). • 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.)

  • Page 13: Circuit Operation (Charger Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 4.5. Circuit Operation (Charger Unit) 4.5.1. Power Supply Circuit The power supply is as shown. AC Adaptor...

  • Page 14: Signal Route

    KX-TG9471B/KX-TG9472B/KX-TGA939T 4.6. Signal Route SIGNAL ROUTE SIGNAL ROUTE (BASE UNIT) DTMF TONE Line 1 TEL OUT IC501 (100) - R177 - C146 - T146 (3) - T146 (4) - R128 - C128 - Q131 - Q101 - D101 (to Tel Line)
  • Page 15 KX-TG9471B/KX-TG9472B/KX-TGA939T SIGNAL ROUTE SIGNAL ROUTE (BASE UNIT) Base Unit MIC (+) - R722 - C728 - R728 - IC701 (28) IC701 (10) - IC501 (79) - SP-PHONE TX MIC (-) - R721 - GND (to Tel Line) Line 1 IC501 (100) - R177 - C146 - T146 (3) - T146 (4) - R128 - C128 - Q131 - Q101 - D101...
  • Page 16 KX-TG9471B/KX-TG9472B/KX-TGA939T SIGNAL ROUTE SIGNAL ROUTE (BASE UNIT) Message Play IC701 (2) - IC501 (79) (to Tel Line) Line 1 IC501 (100) - R177 - C146 - T146 (3) - T146 (4) - R128 - C128 - Q131 - Q101 - D101...
  • Page 17 KX-TG9471B/KX-TG9472B/KX-TGA939T SIGNAL ROUTE SIGNAL ROUTE (Corded) Handset (P)- L771- R771 - C771 - IC701 (31) IC701 (10) - IC501 (79) TX (to Tel Line) (N)- L772 - R772 - C772 - IC701 (27) Line 1 IC501 (100) - R177 - C146 - T146 (3) - T146 (4) - R128 - C128 - Q131 - Q101 - D101...

  • Page 18: Location Of Controls And Components

    KX-TG9471B/KX-TG9472B/KX-TGA939T 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 19: Copying Phonebook Entries

    KX-TG9471B/KX-TG9472B/KX-TGA939T 7.2. Copying Phonebook Entries You can copy phonebook entries from the base unit to a portable or vice versa. Important: • Group ringer tones are not copied. • You cannot copy the phonebook entries between portables. 7.2.1. Copying All Entries...

  • Page 20: Service Mode

    KX-TG9471B/KX-TG9472B/KX-TGA939T 8 Service 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. Display Soft keys { } (STOP) (EXIT) Navigator key {^}/{V}/{7}/{8}) B/U key operation B/U LCD 1).
  • Page 21 KX-TG9471B/KX-TG9472B/KX-TGA939T 6). Enter " ", " " (New Data). (*2) LINE 1 LINE 2 Set Address: New Data 7). Press " " (middle soft key). LINE 1 LINE 2 A long confirmation beep will be heard. Set Address: BACK { } (STOP) (EXIT) 8).
  • Page 22 KX-TG9471B/KX-TG9472B/KX-TGA939T 8.1.2. Portable Important: Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit. Display (middle soft key) MENU {OFF} Navigator key {PAUSE} {REDIAL} ({^}/{V}/{<}/{>}) {FLASH} {CALL WAIT} H/S key operation H/S LCD 1).
  • Page 23 KX-TG9471B/KX-TG9472B/KX-TGA939T 6). Enter " ", " " (New Data). (*1) Set Address: New Data BACK 7). Press " " (middle soft key). A long confirmation beep will be heard. Set Address: BACK {OFF} 8). Press " " to return to standby mode.

  • Page 24: Copying Phonebook Items When Repairing

    8.2. Copying Phonebook Items when Repairing You can copy the base unit (Maximum number of contacts is 100.) phonebook to another (compatible Panasonic) portable. This will help to save the original phonebook data which the customer has registered. * You cannot copy the base unit phonebook to another base unit.
  • Page 25 KX-TG9471B/KX-TG9472B/KX-TGA939T Case 3: A Portable has a defect. (Radio transmission is functioning.) Service center has a normal P (B). P (A) P (A) P (B) BS (A) BS (A) 1. Cancel P (A). 2. Register P (B) as a portable no. 1.

  • Page 26: How To Clear User Setting

    KX-TG9471B/KX-TG9472B/KX-TGA939T 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.18).

  • Page 27: Troubleshooting Guide

    KX-TG9471B/KX-TG9472B/KX-TGA939T 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart Flow Chart Not Work Power ON Base Unit Check Power No Bell Bell Bell Reception Link Not Link Not Charge Battery Charge Check Battery Charge Check Link Range Check the RF part No Voice...
  • Page 28 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.1. Check Power 9.1.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (*1) Check C301, C302, C303, C311 are not shorted. Is the input voltage of IC341: 5 about 5.5 V - 11 V? Check AC Adaptor.
  • Page 29 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.2. Check Battery Charge 9.1.2.1. Portable Is Check Power OK? Check Charge Circuit. Is BBIC (IC1: 32) high at charge state? Cross Reference: Check Power (P.28) Charge Circuit (P.12) 9.1.2.2. Charger Unit Plug in the AC Power source. Charge Portable on Charger Unit.
  • Page 30 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.3. Check Link 9.1.3.1. Base Unit Does Base Unit make link with normal working Base Unit is OK. Check Portable. Portable? Is the voltage of TP4.0V about 4.0 V? Refer to Check Point...(A). Is the voltage of TP+3.3 about 3.3 V? Check around Power Supply Circuit.
  • Page 31 KX-TG9471B/KX-TG9472B/KX-TGA939T Is the Frequency Drift OK? Refer to Check Point...(N). Is the Sensitivity Receiver OK? Refer to Check Point...(O). Is the Timing OK? Replace with a new Circuit Board. Refer to Check Point...(P). Is the RSSI Level OK? Refer to Check Point...(Q).
  • Page 32 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.3.2. Portable Does Portable make link with normal working Portable is OK. Check Base Unit. Base Unit? Is the voltage of "+1.8" about 1.8 V? Adjust "+1.8" voltage to 1.8 V. Refer to Check Point...(A). Refer to Check Point...(A).
  • Page 33 KX-TG9471B/KX-TG9472B/KX-TGA939T Is the Frequency Drift OK? Refer to Check Point...(N). Is the Sensitivity Receiver OK? Refer to Check Point...(O). Is the Timing OK? Replace with a new Circuit Board. Refer to Check Point...(P). Is the RSSI Level OK? Refer to Check Point...(Q).
  • Page 34 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.4. Check the RF part 9.1.4.1. Finding out the Defective part 1. Prepare Regular P (Portable) and Regular BU (Base unit). 2. a. Re-register regular P (Normal mode) to Base Unit (to be checked). If this operation fails in some ways, the Base Unit is defective.
  • Page 35 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.4.2. RF Check Flowchart Each item (1 ~ 4) of RF Check Flowchart corresponds to Check Table for RF part (P.36). Please refer to the each item. Start Link Control Check DSP interface parts. confirmation signal (RF Block <->DSP on BU/P P.C.B)
  • Page 36 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.4.3. Check Table for RF part Item BU (Base Unit) Check P (Portable) Check Link Confirmation Normal 1. Register Regular P to BU (to be checked). 1. Register P (to be checked) to Regular BU. (*1) (*1) 2. Press [Talk] key of the Regular HS to 2.
  • Page 37 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.4.4. RF-BBIC Interface Signal Wave Form SYEN SYCL SYDA 9.1.5. Check Portable Transmission Check MIC of Portable. Check CDL TX (Portable) in Signal Route. Cross Reference: Signal Route (P.14) 9.1.6. Check Portable Reception Check Portable Speaker in How to Check the Portable Speaker or Receiver.
  • Page 38 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.8. Bell Reception 9.1.8.1. Base Unit Check around the following parts. When bell signal is coming, is there bell sound <Line 1> signal at IC161: 7 (Line 1), IC261: 7 (Line 2)? C151, C152, C153, R151, R152, R153,C156, C157, C158, R156, R157, R158, C162, R162, C165, R165, IC161 <Line 2>...
  • Page 39 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.1.10. Check SP-phone Transmission Check MIC of Base Unit. Check SP-phone TX (Base Unit) in Signal Route. Cross Reference: Signal Route (P.14) 9.1.11. Check SP-phone Reception Check Speaker of Base Unit. Check SP-phone RX (Base Unit) in Signal Route.

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

    KX-TG9471B/KX-TG9472B/KX-TGA939T 9.2. Troubleshooting by Symptom (Base Unit and Charger Unit) 9.2.1. Check Point (Base Unit) Please follow the items below when BBIC, EEPROM or FLASH is replaced. Note: After the measuring, suck up the solder of TP. The connections of simulator equipment are as shown in Adjustment Standard (Base Unit) (P.58).
  • Page 41 KX-TG9471B/KX-TG9472B/KX-TGA939T Items Check Procedure Check or Point Replace Parts (K)* Transmitted Power Con- Remove the Antenna before starting step from 1 to 7. IC501, IC801, firmation 1. Configure the DECT tester (CMD60) as follows; R807, R806, <Setting> R804, R808, • Short A_1 and GND.
  • Page 42 KX-TG9471B/KX-TG9472B/KX-TGA939T Items Check Procedure Check or Point Replace Parts Audio Check 1. Link with Portable. <Line 1> 2. Input -45 dBm/1kHz to MIC of Portable. PO101, L108, Measure the Level at Line I/F and distortion level. L109, D101, 3. Confirm that the level is -8 dBm ± 2 dBm and that the distortion level is < 5 % Q101, R102, at TEL Line (600 Ω...
  • Page 43 KX-TG9471B/KX-TG9472B/KX-TGA939T 9.2.2. Check Point (Charger Unit) Items Check Procedure Check or Point Replace Parts 1. Connect Charge Contact 12 Ω/2 W resistor between charge+ and charge-. Charging Check R2, R1, 2. Measure and confirm voltage across the resistor is 3.3 V ± 0.2 V.

  • Page 44: Troubleshooting By Symptom (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 9.3. Troubleshooting by Symptom (Portable) If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester (*1) or not. Note: (*1) A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acoustic level in detail.
  • Page 45 KX-TG9471B/KX-TG9472B/KX-TGA939T Items Check Procedure Check or Point Replace Parts (F)* Battery Monitor Check 1. Apply 2.25 V between BATT+ and BATT-. IC1, F1, C1 2. Execute the command C3, R12, R45 sendchar PAD sendchar LED 0 sendchar CRX 0 1 sendchar AD1 It assumes that the return value is XX.
  • Page 46 KX-TG9471B/KX-TG9472B/KX-TGA939T Items Check Procedure Check or Point Replace Parts (K)* Frequency Offset Confir- Follow steps 1 to 3 of (I). IC1, mation 4.Confirm that the frequency Offset is < ± 50 kHz. C808~C814, L802~L804, C825, C834, C819, IC801, R107, R108,...
  • Page 47 KX-TG9471B/KX-TG9472B/KX-TGA939T Items Check Procedure Check or Point Replace Parts (P) SP phone Audio Check 1. Link to Base which is connected to Line Simulator. IC1, R23, C12, and Confirmation 2. Set line voltage to 48 V and line current to 40 mA.

  • Page 48: Disassembly And Assembly Instructions

    KX-TG9471B/KX-TG9472B/KX-TGA939T 10 Disassembly and Assembly Instructions 10.1. Disassembly Instructions 10.1.1. Base Unit ① ① Remove the 8 screws to remove the cabinet cover. Cabinet Cover Remove 2 screws, Parallel wire and solders ② to remove the main P.C. Board. ②...
  • Page 49 KX-TG9471B/KX-TG9472B/KX-TGA939T Unhook the hook and remove the 9 screws to remove the operational P.C. board. 9 screws Hook Operation P.C. Board 2 screws Remove the 2 screws to remove the LCD Unit. LCD Unit...
  • Page 50 KX-TG9471B/KX-TG9472B/KX-TGA939T ⑤ Remove solders and connectors to remove the LCD P.C. board. Solders LCD P.C. Board...
  • Page 51 KX-TG9471B/KX-TG9472B/KX-TGA939T 10.1.2. Portable 2 screws Remove the 2 screws. Insert a plastic card. (Ex. Used SIM card etc.) between the cabinet body 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 52 KX-TG9471B/KX-TG9472B/KX-TGA939T 10.1.3. Charger Unit 2 charge terminals...

  • Page 53: Assembly Instructions

    KX-TG9471B/KX-TG9472B/KX-TGA939T 10.2. Assembly Instructions 10.2.1. How to Replace the Base unit LCD LCD PLATE LCD HOLDER *PROCESS IT AS SHOWN IN FIGURE. REFLECTOR SHEET *PROCESS IT AS SHOWN IN FIGURE. *INSERT TO THE HOLE. DIFFUSION SHEET *PROCESS IT AS SHOWN IN FIGURE.
  • Page 54 KX-TG9471B/KX-TG9472B/KX-TGA939T Attach LCD P.C.B under conditions to push edge face. FFC/8 LCD P.C.B. STICK IT ALONG THESE LINES. View A SHEET/LCD View A COVER/LCD GRILL/LCD *INSERT FFC IN THE HOLE OF COVER/LCD.
  • Page 55 KX-TG9471B/KX-TG9472B/KX-TGA939T 10.2.2. How to Replace the Portable LCD Attach LCD to P.C.B. Locate the Flat Cable inside *When attaching the LCD holder, as shown. don't pull the FPC (Flexible Print Circuit). After attaching LCD, lock it with and B. part P.C.B.

  • Page 56: Measurements And Adjustments

    KX-TG9471B/KX-TG9472B/KX-TGA939T 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 • DECT tester: Rohde & Schwarz, CMD 60 is recommended.
  • Page 57 KX-TG9471B/KX-TG9472B/KX-TGA939T 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.

  • Page 58: Adjustment Standard (Base Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.3. Adjustment Standard (Base Unit) When connecting the simulator equipment for checking, please refer to below. 11.3.1. Bottom View C225 C207 C215 R261 C278 C261 R225 Q201 R224 C264 C254 R212 C265 R201 R265 C252 R257 R211 C280 C256...

  • Page 59: Adjustment Standard (Charger Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.4. Adjustment Standard (Charger Unit) When connecting the simulator equipment for checking, please refer to below. 11.4.1. Bottom View Digital Volt Meter /2 W DC POWER DC 6.5 V Note: (A) is referred to Check Point (Charger Unit) (P.43)

  • Page 60: The Setting Method Of Jig (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.5. The Setting Method of JIG (Portable) This section explains the PC setting to use command required in Check Point (Portable) (P.44) Note: *: If you have the JIG Cable for TCD500 series <Preparation> (PQZZ1CD505E), change following values • Serial JIG cable: PQZZ1CD300E* resistance.
  • Page 61 KX-TG9471B/KX-TG9472B/KX-TGA939T 11.5.2. 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...

  • Page 62: Adjustment Standard (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.6. Adjustment Standard (Portable) When connecting the simulator equipment for checking, please refer to below. 11.6.1. Component View C122 C124 L804 R804 R803 C807 C804 C814 C808 C811 R801 REV+ C802 C138 R805 R345 C837 C834 C46 C45 C820...

  • Page 63: Things To Do After Replacing Ic Or X'tal

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.7. Things to Do after Replacing IC or X'tal If repairing or replacing BBIC (FLASH type), 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.
  • Page 64 KX-TG9471B/KX-TG9472B/KX-TGA939T 11.7.2. How to written to USB_IC System requirements (PC) CDROM PNJX1009Z Item Specifications PNZZTG9471B (They are available at web site) ® ® ® 1.0 GHz Intel Pentium /Celeron processor or comparable CPU or higher processor 512 MB or more ®...
  • Page 65 KX-TG9471B/KX-TG9472B/KX-TGA939T 11.7.2.2. Installing the “Telephone Plug-in” Before installing “Telephone Plug-in”, make sure of the following: – Microsoft Office Outlook is installed on your computer. – The base unit is not connected to your computer with the mini USB cable (until instructed to do so).
  • Page 66 KX-TG9471B/KX-TG9472B/KX-TGA939T 11.7.2.3. How to be written to USB_IC (1) Connect KX-TG9471 to PC with a USB cable. Unit USB cable (2) Activate "AN144SW CP210X CP210XSETIDs.exe" (3) Input parameters Check and input Vid "04DA" Check and input Pid "160A" Check and input Product String...
  • Page 67 KX-TG9471B/KX-TG9472B/KX-TGA939T (4) Click "Program Device" (5) Disconnect USB CABLE, and then reconnect again.
  • Page 68 KX-TG9471B/KX-TG9472B/KX-TGA939T 11.7.3. Portable First, operate the PC setting according to The Setting Method of JIG (Portable) (P.60). Then install the appropriate data according to the following procedures. Items Necessary Adjustment BBIC Programs for Voice processing, interface for RF 1. Clock adjustment: Refer to Check Point (F). (*2)

  • Page 69: Rf Specification

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.8. RF Specification 11.8.1. Base Unit Item Value Refer to -. * TX Power 19 dBm ~ 25 dBm Check Point (Base Unit) (J) Modulation -370±30/+370±30 kHz/div & Modulated Check Point (Base Unit) (K) width 690 kHz Frequency Offset...

  • Page 70: How To Check The Portable Speaker Or Receiver

    KX-TG9471B/KX-TG9472B/KX-TGA939T 11.9. How to Check the Portable 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?

  • Page 71: Miscellaneous

    KX-TG9471B/KX-TG9472B/KX-TGA939T 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.
  • Page 72 KX-TG9471B/KX-TG9472B/KX-TGA939T 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.

  • Page 73: How To Replace The Llp

    KX-TG9471B/KX-TG9472B/KX-TGA939T 12.2. How to Replace the LLP (Leadless Leadframe Package) IC 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 74 KX-TG9471B/KX-TG9472B/KX-TGA939T 12.2.4. 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. Soldering Iron Land Solder P.C.Board 2. Place the solder a little on the land where IC pins are to be attached, then place the IC.

  • Page 75: Terminal Guide Of The Ics, Transistors And Diodes

    KX-TG9471B/KX-TG9472B/KX-TGA939T 12.3. Terminal Guide of the ICs, Transistors and Diodes 12.3.1. Base Unit C0ABBA000233 YNJM2903MTE1 PNWI1TG9471H C0JBAF000223 C3FBMY000286 C1CB00002704 PNWI2TG9471H C0DBEYY00102 (Reverse View) (Reverse View) B1ADGP000008 C0EBF0000419 DSC7003S0L C1CB00002427 C1CB00003661 B0EDER000009 Cathode Anode Cathode Anode UN5113, B1ADGE000012 B1ABDF000017, DSA2001R0L B0JCDD000002...

  • Page 76: Schematic Diagram

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13 Schematic Diagram 13.1. For Schematic Diagram 13.1.1. Base Unit (Schematic Diagram (Base Unit_Main)) 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 77 KX-TG9471B/KX-TG9472B/KX-TGA939T Memo...

  • Page 78: Schematic Diagram (Base Unit_Main)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13.2. Schematic Diagram (Base Unit_Main)
  • Page 79 KX-TG9471B/KX-TG9472B/KX-TGA939T...
  • Page 80 KX-TG9471B/KX-TG9472B/KX-TGA939T...
  • Page 81 KX-TG9471B/KX-TG9472B/KX-TGA939T...

  • Page 82: Schematic Diagram (Base Unit_Operation)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13.3. Schematic Diagram (Base Unit_Operation) +4.0V Pin1 TP-4.0V +4.0V S2-2 LINE1-2 LINE2-2 LINESELECT-1 LINESELECT-2 LINE1-1 LINE2-1 KEY_OUTPUT_7 NAVI-LEFT NAVI-MID NAVI-RIGHT KEY_OUTPUT_6 ERASE1 ANSWERON1 KEY_OUTPUT_5 ERASE2 MESSAGE4 ANSWERON2 MESSAGE3 STOP2 MESSAGE2 INT2 STOP1 MESSAGE1 INT1 DOWN KEY_OUTPUT_4 LED906 Massage_LED HOLD...

  • Page 83: Schematic Diagram (Base Unit_Lcd)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13.4. Schematic Diagram (Base Unit_LCD) LCD_CS /CS1 LCD_Reset /RESET LCD_C*/D SPICLK SPIDO BB3.0V VOUT C10 1u 25 CAP3P CAP1N C3 1u 25 CAP1P C4 1u 25 CAP2P CAP2N BB3.0V C5 1u 25 C6 1u 25 C7 1u 25 SPIDO...

  • Page 84: Schematic Diagram (Base Unit_Led)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13.5. Schematic Diagram (Base Unit_LED) LCD-Backlight NC: No Components KX-TG9471/9472 SCHEMATIC DIAGRAM (Base Unit_LED)
  • Page 85 KX-TG9471B/KX-TG9472B/KX-TGA939T Memo...

  • Page 86: Schematic Diagram (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13.6. Schematic Diagram (Portable) BATTERY Charge Current 1.8V BATT+ 5.6n (MAX500mA) BATTERY +1.8V +1.8V BATTERY 1.8V C150 220u Q11 NC 330u Q12 NC BATT- R341 R344 220k R343 X_CLK 2.5V 4.0V CP+4.0V CP+2.5V 3.9k CHG(+) K0.1u +1.8V CHG(-) R312...
  • Page 87 KX-TG9471B/KX-TG9472B/KX-TGA939T ANT2-TP ANT1-TP C122 1.8p R807 RXON R107 R106 R109 R108 ANT1 ANT2 C826 GND GND 2.2p RX_RF C832 RF_RXn RF_RXp 1.8p C803 CP+2.5V C804 C802 2.4p 2.4p C172 K100n R806 TXON C825 BATTERY D10p R805 VDD_PADRV C819 D10p L805...

  • Page 88: Schematic Diagram (Charger Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 13.7. Schematic Diagram (Charger Unit) R1 10 SCHEMATIC DIAGRAM (Charger Unit)

  • Page 89: Printed Circuit Board

    KX-TG9471B/KX-TG9472B/KX-TGA939T 14 Printed Circuit Board 14.1. Circuit Board (Base Unit_Main) 14.1.1. Component View CN901 R812 L805 L801 L802 D801 R975 IC906 R721 IC902 IC903 C722 C905 IC905 IC904 R974 Q902 C907 C906 C910 R977 R724 C725 R807 R703 IC701 R743...
  • Page 90 KX-TG9471B/KX-TG9472B/KX-TGA939T 14.1.2. Bottom View TP+2.5V DC IN (6.5V) TP+3.3 TP4V TP+3.0V TP+1.8V KX-TG9471/9472 CIRCUIT BOARD (Base Unit_Main (Bottom View))

  • Page 91: Circuit Board (Base Unit_Operation)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 14.2. Circuit Board (Base Unit_Operation) 14.2.1. Component View KX-TG9471/9472 CIRCUIT BOARD (Base Unit_Operation (Component View))
  • Page 92 KX-TG9471B/KX-TG9472B/KX-TGA939T 14.2.2. Bottom View KX-TG9471/9472 CIRCUIT BOARD (Base Unit_Operation (Bottom View))

  • Page 93: Circuit Board (Base Unit_Lcd)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 14.3. Circuit Board (Base Unit_LCD) KX-TG9471/9472 CIRCUIT BOARD (Base Unit_LCD (Component View))

  • Page 94: Circuit Board (Base Unit_Led)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 14.4. Circuit Board (Base Unit_LED) LED1 LED2 KX-TG9471/9472 CIRCUIT BOARD (Base Unit_LED (Component View))

  • Page 95: Circuit Board (Portable)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 14.5. Circuit Board (Portable) 14.5.1. Component View C122 C124 L804 R804 R803 C807 C804 C814 C811 C808 R801 C802 C138 R805 R345 C837 C834 C46 C45 C820 C832 R807 R203 R233 R206 C184 R307 R101 C108 C185 C111 R306...
  • Page 96 KX-TG9471B/KX-TG9472B/KX-TGA939T 14.5.2. Bottom View KX-TGA939 PNLB1052Z R108 R107 R244 R238 SOFT_C SOFT_A SOFT_B TALK LED1 LED4 LEFT RIGHT CANCEL DOWN MIC- MIC+ KX-TGA939 CIRCUIT BOARD (Portable_Main (Bottom View))

  • Page 97: Circuit Board (Charger Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 14.6. Circuit Board (Charger Unit) 14.6.1. Component View CIRCUIT BOARD (Charger unit (Component View)) 14.6.2. Bottom View TP4 (GND) CIRCUIT BOARD (Charger unit (Bottom View))

  • Page 98: Exploded View And Replacement Parts List

    KX-TG9471B/KX-TG9472B/KX-TGA939T 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit) PCB4 PCB3 PCB2 PCB1 Ref.No. Figure 2.6 8 mm...

  • Page 99: Cabinet And Electrical Parts (Portable)

    (*1) This cable is fixed by soldering. Refer to How to Replace the Portable LCD (P.55). (*2) Attach the spacer (No. 127) to the exact location described above. (*3) The rechargeable Ni-MH battery HHR-4DPA is available through sales route of Panasonic.

  • Page 100: Cabinet And Electrical Parts (Charger Unit)

    KX-TG9471B/KX-TG9472B/KX-TGA939T 15.3. Cabinet and Electrical Parts (Charger Unit) 200-1 PCB200 200-3 200-2 200-5 200-4 Ref.No. Figure 2×8 mm φ...

  • Page 101: Accessories And Packing Materials

    KX-TG9471B/KX-TG9472B/KX-TGA939T 15.4. Accessories and Packing Materials 15.4.1. KX-TG9471B...
  • Page 102 KX-TG9471B/KX-TG9472B/KX-TGA939T 15.4.2. KX-TG9472B A101 A106 P102 A102 A104 P102 P102 A103 A107 A105 P102 A109 A108 A110 P101...
  • Page 103 KX-TG9471B/KX-TG9472B/KX-TGA939T 15.4.3. KX-TGA939T A203 (*1) A202 A201 P201 Note: (*1) This pad is a piece of Ref No.P201 (GIFT BOX).

  • Page 104: Replacement Parts List

    KX-TG9471B/KX-TG9472B/KX-TGA939T 15.5. Replacement Parts List 1. RTL (Retention Time Limited) Safety Ref. Part No. Part Name & Description Remarks Note: PNGP1204Z1 PANEL, LINE KEY The “RTL” marking indicates that its Retention Time is 6SA522A RUBBER PARTS, RING Limited. PNKM1233Z1 UPPER CABINET...
  • Page 105 KX-TG9471B/KX-TG9472B/KX-TGA939T Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks Q623 UN5213 TRANSISTOR(SI) IC903 B3PBA0000601 PHOTO ELECTRIC TRANSDUCER Q761 PQVTDTC143E TRANSISTOR(SI) IC904 B3PBA0000297 PHOTO ELECTRIC Q772 B1ADGE000012 TRANSISTOR(SI) TRANSDUCER Q773 UN5213...
  • Page 106 KX-TG9471B/KX-TG9472B/KX-TGA939T Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R214 ERJ3GEYJ564 560k R721 ERJ2GEJ330 R221 ERJ3GEYJ103 R722 ERJ2GEJ330 R222 ERJ3GEYJ102 R724 ERJ2GEJ222 2.2k R224 ERJ12YJ120 R727 ERJ2GEJ331 R225 ERJ12YJ270 R728...
  • Page 107 KX-TG9471B/KX-TG9472B/KX-TGA939T Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C233 F1K1C4750023 10 C257 ECUV1C103KBV 0.01 C237 EEE1HA010SR C258 ECUV2H681KB 680p C241 ECUE1C103KBQ 0.01 C263 ECUE1H100DCQ 10p C242 ECUE1C103KBQ 0.01 C265...
  • Page 108 KX-TG9471B/KX-TG9472B/KX-TGA939T Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C803 ECUE1H7R0CCQ 7 K1MN20BA0111 CONNECTOR C814 ECUE1H100DCQ 10p 15.5.1.5. LED Board parts C819 ECUE1H100DCQ 10p C821 ECUE1H220JCQ 22p C824 ECUE1H220JCQ 22p Safety Ref.
  • Page 109 KX-TG9471B/KX-TG9472B/KX-TGA939T Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks PNWITGA939TR IC (EEPROM) (*1) ERJ2GEJ102 IC801 C1CB00001842 IC ERJ3GEYJ181 (TRANSISTORS) ERJ2GE0R00 B1ADGE000004 TRANSISTOR(SI) R106 ERJ2GE0R00 B1ADGE000004 TRANSISTOR(SI) R107 ERJ2GEJ221 UN9219J TRANSISTOR(SI)
  • Page 110 ECUE1H101JCQ 100p (*1) You can download and refer to the Operating C187 ECUE1H101JCQ 100p C188 ECUE0J105KBQ 1 Instructions (Instruction book) on TSN Server. C340 F1J0J2260004 22 15.5.4.1. KX-TG9471B C802 F1G1H2R4A480 2.4p C803 F1G1H1R8A480 1.8p C804 F1G1H2R4A480 2.4p C807 F1G1H2R2A480 2.7p Safety Ref.
  • Page 111 KX-TG9471B/KX-TG9472B/KX-TGA939T 15.5.4.3. KX-TGA939T Safety Ref. Part No. Part Name & Description Remarks A201 PQLV219Z AC ADAPTOR A202 PNQX1455W INSTRUCTION BOOK (*1) A203 PNKE1004Z1 HANGER, BELT CLIP ABS-HB P201 PNPK1513Z GIFT BOX 15.5.5. Screws Safety Ref. Part No. Part Name & Description...

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