Panasonic KX-TG9385BXT Service Manual
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Panasonic KX-TG9385BXT Service Manual

Panasonic KX-TG9385BXT Service Manual

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Telephone Equipment
KX-TG9385BXT
Model No.
KX-TGA939BXT
Digital Cordless Answering Systemstem
T: Titanium Black Version
(for Middle Near East and Africa)
© Panasonic Communications Co., Ltd. 2009.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. KM40909013CE

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Summary of Contents for Panasonic KX-TG9385BXT

  • Page 1 ORDER NO. KM40909013CE Telephone Equipment KX-TG9385BXT Model No. KX-TGA939BXT Digital Cordless Answering Systemstem T: Titanium Black Version (for Middle Near East and Africa) © Panasonic Communications Co., Ltd. 2009. Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TG9385BXT/KX-TGA939BXT...

  • Page 3: Table Of Contents

    KX-TG9385BXT/KX-TGA939BXT TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 4 14.4. Circuit Board (Charger Unit)--------------------------- 81 1.1. For Service Technicians --------------------------------- 4 15 Exploded View and Replacement Parts List ----------- 82 2 Warning -------------------------------------------------------------- 4 15.1. Cabinet and Electrical Parts (Base Unit) ----------- 82 2.1.

  • Page 4: Safety Precautions

    KX-TG9385BXT/KX-TGA939BXT 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-TG9385BXT/KX-TGA939BXT 2.1.1. 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-TG9385BXT/KX-TGA939BXT 3 Specifications Note: • Design and specifications are subject to change without notice. Note for Service: • Operation range: Up to 300 m outdoors, Up to 50 m indoors, depending on the condition. • Analog telephone connection: Telephone Line...

  • Page 7: Technical Descriptions

    KX-TG9385BXT/KX-TGA939BXT 4 Technical Descriptions 4.1. Circuit Configuration of TG938x Series Phones TG938x consists of DECT cordless telephone. Both voices of transmission and reception are transferred by PCM. BBIC on DECT side controls the cordless telephone system. TGA939 Handset DECT6.0 Main PCB...

  • Page 8: Block Diagram (Base Unit)

    KX-TG9385BXT/KX-TGA939BXT 4.2. Block Diagram (Base Unit)

  • Page 9: Circuit Operation (Base Unit)

    KX-TG9385BXT/KX-TGA939BXT 4.3. Circuit Operation (Base Unit) 4.3.1. Outline Base unit consists of the following ICs as shown in Block Diagram (Base Unit) (P.8). • DECT BBIC (Base Band IC): IC501 - Handling all the audio, signal and data processing needed in a US DECT base unit...
  • Page 10 KX-TG9385BXT/KX-TGA939BXT 4.3.2. 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): DC Jack (+6.5 V) →...
  • Page 11 KX-TG9385BXT/KX-TGA939BXT 4.3.3. 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 12: Block Diagram (Handset)

    KX-TG9385BXT/KX-TGA939BXT 4.4. Block Diagram (Handset)

  • Page 13: Circuit Operation (Handset)

    KX-TG9385BXT/KX-TGA939BXT 4.5. Circuit Operation (Handset) 4.5.1. Outline Handset consists of the following ICs as shown in Block Diagram (Handset) (P.12). • 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 14: Circuit Operation (Charger Unit)

    KX-TG9385BXT/KX-TGA939BXT 4.6. Circuit Operation (Charger Unit) 4.6.1. Power Supply Circuit The power supply is as shown.

  • Page 15: Signal Route

    KX-TG9385BXT/KX-TGA939BXT 4.7. Signal Route...
  • Page 16 KX-TG9385BXT/KX-TGA939BXT...
  • Page 17 KX-TG9385BXT/KX-TGA939BXT...

  • Page 18: Location Of Controls And Components

    KX-TG9385BXT/KX-TGA939BXT 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: Service Mode

    KX-TG9385BXT/KX-TGA939BXT 8 Service Mode 8.1. Engineering Mode 8.1.1. Base Unit...
  • Page 20 KX-TG9385BXT/KX-TGA939BXT Frequently Used Items (Base Unit) ex.) Items Address(*1) Default Data New Data Remarks C-ID (FSK) sensitivity 03 53 01 (6 dB up) 02 (12 dB up) When hex changes from “00” to “01” or “02”, gain increases by 6 dB or 12 dB.
  • Page 21 KX-TG9385BXT/KX-TGA939BXT 8.1.2. Handset...
  • Page 22 KX-TG9385BXT/KX-TGA939BXT 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 04 (*2) Frequency 00 01~00 02 F6 02 00 10~00 14 Given value Note: (*1) When you enter the address or New Data, please refer to the table below.

  • Page 23: Copying Phonebook Items When Repairing

    8.2. Copying Phonebook Items when Repairing You can copy the base unit phonebook items(up to 100) to another (compatible Panasonic) handset. This will help to save the original phonebook data which the customer has registered. *You cannot save all of them if you registered more than 100 items.
  • Page 24 KX-TG9385BXT/KX-TGA939BXT Note: • BS=Base Unit, HS=Handset • If the max number of handsets are already registered to the base unit, a new handset cannot be registered.

  • Page 25: How To Clear User Setting

    KX-TG9385BXT/KX-TGA939BXT 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: • The reset menus differ depending on the following operations. • This operation should not be performed for a usual repair.

  • Page 26: Troubleshooting Guide

    KX-TG9385BXT/KX-TGA939BXT 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart Flow Chart Cross Reference: Check Power (P.27) Bell Reception (P.35) Check Battery Charge (P.28) Check Link (P.29) Check the RF part (P.31) Check Handset Transmission (P.34) Check Handset Reception (P.34) Signal Route (P.15) Check Caller ID (P.34)
  • Page 27 KX-TG9385BXT/KX-TGA939BXT 9.1.1. Check Power 9.1.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (*1) Cross Reference: Power Supply Circuit (P.10) Note: (*1) Refer to Specifications (P.6) for part number and supply voltage of AC adaptor. 9.1.1.2. Handset Cross Reference:...
  • Page 28 KX-TG9385BXT/KX-TGA939BXT 9.1.2. Check Battery Charge 9.1.2.1. Base unit 9.1.2.2. Handset Cross Reference: Check Power (P.27) Charge Circuit (P.13) 9.1.2.3. Charger Unit Cross Reference: Power Supply Circuit (P.10)
  • Page 29 KX-TG9385BXT/KX-TGA939BXT 9.1.3. Check Link 9.1.3.1. Base Unit Cross Reference: Power Supply Circuit (P.10) Check Point (Base Unit) (P.37)
  • Page 30 KX-TG9385BXT/KX-TGA939BXT 9.1.3.2. Handset Cross Reference: Power Supply Circuit/Reset Circuit (P.13) Check Point (Handset) (P.40)
  • Page 31 KX-TG9385BXT/KX-TGA939BXT 9.1.4. Check the RF part 9.1.4.1. 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.
  • Page 32 KX-TG9385BXT/KX-TGA939BXT 9.1.4.2. RF Check Flowchart Each item (1 ~ 4) of RF Check Flowchart corresponds to Check Table for RF part (P.33). Please refer to the each item. Note: (*1) Base unit - refer to (H) of Check Point (Base Unit) (P.37)
  • Page 33 KX-TG9385BXT/KX-TGA939BXT 9.1.4.3. 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). 2. Press [Talk] key of the Regular HS to 2.
  • Page 34 KX-TG9385BXT/KX-TGA939BXT 9.1.4.4. RF-BBIC Interface Signal Wave Form SYEN SYCL SYDA 9.1.5. Check Handset Transmission Cross Reference: Signal Route (P.15) 9.1.6. Check Handset Reception Cross Reference: How to Check the Handset Speaker or Receiver (P.61). Signal Route (P.15) 9.1.7. Check Caller ID Cross Reference: Signal Route (P.15)
  • Page 35 KX-TG9385BXT/KX-TGA939BXT 9.1.8. Bell Reception 9.1.8.1. Base Unit 9.1.8.2. Handset Cross Reference: Telephone Line Interface (P.11) Check Link (P.29) How to Check the Handset Speaker or Receiver (P.61) 9.1.9. Check TAM Operation Cross Reference: Power Supply Circuit (P.10) Note: (*1) When replacing FLASH MEMORY 1 (IC761), TAM data needs to be written to it. Refer to How to download the data (P.58)
  • Page 36 KX-TG9385BXT/KX-TGA939BXT 9.1.10. Check SP-phone Transmission Cross Reference: Signal Route (P.15) 9.1.11. Check SP-phone Reception Cross Reference: Signal Route (P.15)

  • Page 37: Troubleshooting By Symptom (Base Unit And Charger Unit)

    KX-TG9385BXT/KX-TGA939BXT 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 equipments are as shown in Adjustment Standard (Base Unit) (P.53).
  • Page 38 KX-TG9385BXT/KX-TGA939BXT Items Check Procedure Check or Point Replace Parts (K)* Transmitted Power Con- Remove the Antenna Jumper starting from 1 to 4 IC501, IC801, firmation 1. Configure the Spectrum Analyzer as follows; R807, R806, • Center Frequency: 1924.992MHz R804, R808, •...
  • Page 39 KX-TG9385BXT/KX-TGA939BXT 9.2.2. Check Point (Charger Unit) Items Check Procedure Check or Point Replace Parts 1. Connect Charge Contact 10 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 40: Troubleshooting By Symptom (Handset)

    KX-TG9385BXT/KX-TGA939BXT 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. 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 41 KX-TG9385BXT/KX-TGA939BXT 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 42 KX-TG9385BXT/KX-TGA939BXT Items Check Procedure Check or Point Replace Parts (L) 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 43: Disassembly And Assembly Instructions

    KX-TG9385BXT/KX-TGA939BXT 10 Disassembly and Assembly Instructions 10.1. Disassembly Instructions 10.1.1. Base Unit...
  • Page 44 KX-TG9385BXT/KX-TGA939BXT...
  • Page 45 KX-TG9385BXT/KX-TGA939BXT 10.1.2. Handset...
  • Page 46 KX-TG9385BXT/KX-TGA939BXT 10.1.3. Charger Unit...

  • Page 47: Assembly Instructions

    KX-TG9385BXT/KX-TGA939BXT 10.2. Assembly Instructions 10.2.1. How to Replace the Base unit LCD...
  • Page 48 KX-TG9385BXT/KX-TGA939BXT...
  • Page 49 KX-TG9385BXT/KX-TGA939BXT 10.2.2. How to Replace the Handset LCD...

  • Page 50: Measurements And Adjustments

    KX-TG9385BXT/KX-TGA939BXT 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.26) 11.1. Equipment Required • Digital multi-meter (DMM): it must be able to measure voltage and current.
  • Page 51 KX-TG9385BXT/KX-TGA939BXT 11.2.2. How to install Batch file into P.C. Note: • “****” varies depending on the country or models.
  • Page 52 KX-TG9385BXT/KX-TGA939BXT 11.2.3. Commands See the table below for frequently used commands. Command name Function Example rdeeprom Read the data of EEPROM Type “rdeeprom 00 00 FF”, and the data from address “00 00” to “FF” is read out. readid Read ID (RFPI) Type “readid”, and the registered ID is read out.

  • Page 53: Adjustment Standard (Base Unit)

    KX-TG9385BXT/KX-TGA939BXT 11.3. Adjustment Standard (Base Unit) When connecting the simulator equipments for checking, please refer to below. 11.3.1. Bottom View Note: (F) - (L) is referred to Check Point (Base Unit) (P.37)

  • Page 54: Adjustment Standard (Charger Unit)

    KX-TG9385BXT/KX-TGA939BXT 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.39)

  • Page 55: The Setting Method Of Jig (Handset)

    KX-TG9385BXT/KX-TGA939BXT 11.5. The Setting Method of JIG (Handset) This section explains the PC setting to use command required in Check Point (Handset) (P.40). <Preparation> (PQZZ1CD505E), change following values • Serial JIG cable: PQZZ1CD300E* resistance. Then you can use it as a JIG Cable for both •...
  • Page 56 KX-TG9385BXT/KX-TGA939BXT 11.5.2. How to install Batch file into P.C. Note: • “*****” varies depending on the country or models. 11.5.3. Commands See the table below for frequently used commands. Command name Function Example rdeeprom Read the data of EEPROM Type “rdeeprom 00 00 FF”, and the data from address “00 00”...

  • Page 57: Adjustment Standard (Handset)

    KX-TG9385BXT/KX-TGA939BXT 11.6. Adjustment Standard (Handset) When connecting the simulator equipments for checking, please refer to below. 11.6.1. Component View Note: (A) - (N) is referred to Check Point (Handset) (P.40)

  • Page 58: Things To Do After Replacing Ic Or X'tal

    KX-TG9385BXT/KX-TGA939BXT 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 59 KX-TG9385BXT/KX-TGA939BXT 11.7.2. Handset First, operate the PC setting according to The Setting Method of JIG (Handset) (P.55). Then download the appropriate data according to the following procedures. Items How to download/Required adjustment BBIC (FLASH type) Programming data is stored in memory.

  • Page 60: Rf Specification

    KX-TG9385BXT/KX-TGA939BXT 11.8. RF Specification 11.8.1. Base Unit Item Value Refer to -. * TX Power 15 dBm ~ 20.5 dBm Check Point (Base Unit) (K) RSSI LEVEL 22±A (HEX) Check Point (Base Unit) (L) *: Refer to Check Point (Base Unit) (P.37) 11.8.2.

  • Page 61: How To Check The Handset Speaker Or Receiver

    KX-TG9385BXT/KX-TGA939BXT 11.9. 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. 11.10. Frequency Table (MHz) Ch. (hex)

  • Page 62: Miscellaneous

    KX-TG9385BXT/KX-TGA939BXT 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 63 KX-TG9385BXT/KX-TGA939BXT 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 64: How To Replace The Llp

    KX-TG9385BXT/KX-TGA939BXT 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 65 KX-TG9385BXT/KX-TGA939BXT 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. 2. Place the solder a little on the land where IC pins are to be attached, then place the IC.

  • Page 66: Terminal Guide Of The Ics, Transistors And Diodes

    KX-TG9385BXT/KX-TGA939BXT 12.3. Terminal Guide of the ICs, Transistors and Diodes 12.3.1. Base Unit 12.3.2. Handset 12.3.3. Charger...

  • Page 67: Schematic Diagram

    KX-TG9385BXT/KX-TGA939BXT 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 68: Schematic Diagram (Base Unit_Main)

    KX-TG9385BXT/KX-TGA939BXT 13.2. Schematic Diagram (Base Unit_Main) ANTENNA-L ANTENNA-R ANT-1 ANT-2 C802 7p C803 7p R812 R811 3.3p TP_ANT-C1 TP_ANT-C2 ANT-C2 ANT-C1 L803 +5.0V +1.8V C810 NC +3.0V IC551 +2.5V LINE1_ADC LINE1_REF GND1 GND14 LINE1_TX LINE1_RX ANT2 TXPO-SET +3.0V OUTPUT C528...
  • Page 69 KX-TG9385BXT/KX-TGA939BXT PO101 L101 DR35 C102 680p LINE2_TIP2 LINE1_TIP LINE1-DC D101 LINE1_RING R133 LINE2_RING2 +3.0V Q101 Q131 L102 DR35 C123 Q103 5.6k R136 C103 680p GAP1 C127 R122 4.7n 4.7k PC102 R126 100k TP106 Q102 Line/Pulse +1.8V IC161 R653 AOUTPUT +3.0V...

  • Page 70: Schematic Diagram (Base Unit_Operation)

    KX-TG9385BXT/KX-TGA939BXT 13.3. Schematic Diagram (Base Unit_Operation) HOLD LINE1 NAVI-LEFT ERASE LINE2 STOP REDIAL NAVI-MID DOWN FLASH NAVI-RIGHT ANSWERON MESSAGE1 To Main PCB MESSAGE2 SP-PHONE LINESELECT KEY_OUTPUT_6 KEY_OUTPUT_6 KEY_INPUT_1 KEY_INPUT_1 KEY_OUTPUT_7 KEY_OUTPUT_7 KEY_OUTPUT_5 KEY_OUTPUT_5 KEY_OUTPUT_4 KEY_OUTPUT_4 KEY_OUTPUT_3 KEY_OUTPUT_3 KEY_INPUT_0 KEY_INPUT_0 KEY_INPUT_2...
  • Page 71 KX-TG9385BXT/KX-TGA939BXT Memo...

  • Page 72: Schematic Diagram (Handset)

    KX-TG9385BXT/KX-TGA939BXT 13.4. Schematic Diagram (Handset) BATTERY C harge C urrent 1.8V BATT+ 5.6n (MAX500mA) BATTERY +1.8V BATTERY +1.8V 1.8V 220u C150 Q11 NC 330u Q12 NC BATT- R341 R344 220k R343 X_CLK 2.5V 4.0V CP+2.5V CP+4.0V 3.9k CHG(+) K0.1u +1.8V...
  • Page 73 KX-TG9385BXT/KX-TGA939BXT 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 74: Schematic Diagram (Charger Unit)

    KX-TG9385BXT/KX-TGA939BXT 13.5. Schematic Diagram (Charger Unit) R1 10 SCHEMATIC DIAGRAM (Charger Unit)

  • Page 75: Printed Circuit Board

    KX-TG9385BXT/KX-TGA939BXT 14 Printed Circuit Board 14.1. Circuit Board (Base Unit_Main) 14.1.1. Component View C322 R322 C811 R375 R321 C812 L372 C818 C813 D361 L371 R802 C814 C819 C816 C801 C802 C820 C821 C817 C815 C807 L362 C805 L801 R361 L361...
  • Page 76 KX-TG9385BXT/KX-TGA939BXT 14.1.2. Bottom View SP_SP+ SP_SP- C316 (+) (A) TP 3.0V (D) DC IN (6.5V) TP1.8V (E) TP3.3V (B) KX-TG9385 CIRCUIT BOARD (Base Unit_Main (Bottom View)) Note: (A) - (E) is referred to Check Point (Base Unit) (P.37)

  • Page 77: Circuit Board (Base Unit_Operation)

    KX-TG9385BXT/KX-TGA939BXT 14.2. Circuit Board (Base Unit_Operation) 14.2.1. Component View LINE2-LED TP-L2 LINE1-LED TP-L1 KEY_OUTPUT_0 TP-GND SPI_DO TP-DO SPI_CLK TP-CLK LCD_RESET TP-RESET LCD_C /D TP-C/D LCD_CS TP-CS +3.0V TP-3.0V KEY_OUTPUT_1 SP phone-LED Message-LED TP-MAS Answer-LED TP-ANS LCD_Back-LED TP-BL +5.0V TP-5.0V TP-SP...
  • Page 78 KX-TG9385BXT/KX-TGA939BXT Memo...

  • Page 79: Circuit Board (Handset)

    KX-TG9385BXT/KX-TGA939BXT 14.3. Circuit Board (Handset) 14.3.1. Component View C122 C124 L804 R804 R803 C807 C804 C814 C811 C808 R801 C802 C138 R805 R345 C834 C837 C46 C45 C820 C832 R807 R203 R233 R206 C184 R307 R101 C108 C185 C111 R306...
  • Page 80 KX-TG9385BXT/KX-TGA939BXT 14.3.2. Bottom View KX-TGA939 PNLB1052Z R108 R107 R244 R238 SOFT_A SOFT_C SOFT_B TALK LED4 LED1 LEFT RIGHT CANCEL DOWN MIC- MIC+ KX-TGA939 CIRCUIT BOARD (Handset_Main (Bottom View))

  • Page 81: Circuit Board (Charger Unit)

    KX-TG9385BXT/KX-TGA939BXT 14.4. Circuit Board (Charger Unit) 14.4.1. Component View CIRCUIT BOARD (Charger unit (Component View)) 14.4.2. Bottom View TP4 (GND) CIRCUIT BOARD (Charger unit (Bottom View))

  • Page 82: Exploded View And Replacement Parts List

    KX-TG9385BXT/KX-TGA939BXT 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit) Note: (*1) This cable is fixed by welding. Refer to How to Replace the Base unit LCD (P.47) (*2) Take the necessary parts according to the figure above <fig.1>. Attach the SPACER (No. 4) to the ANNTENA (No.23).

  • Page 83: Cabinet And Electrical Parts (Handset)

    (*1) This cable is fixed by soldering. Refer to How to Replace the Handset LCD (P.49). (*2) Attach the spacer (No. 126) to the exact location described above. (*3) The rechargeable Ni-MH battery HHR-4MPT is available through sales route of Panasonic. (*4) Refer to Handset (P.66) of Terminal Guide of the ICs, Transistors and Diodes.

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

    KX-TG9385BXT/KX-TGA939BXT 15.3. Cabinet and Electrical Parts (Charger Unit)

  • Page 85: Accessories

    KX-TG9385BXT/KX-TGA939BXT 15.4. Accessories...

  • Page 86: Replacement Parts List

    KX-TG9385BXT/KX-TGA939BXT 15.5. Replacement Parts List 1. RTL (Retention Time Limited) Safety Ref. Part No. Part Name & Description Remarks Note: PNHR1001Z GUIDE, BUTTON PS-HB The “RTL” marking indicates that its Retention Time is PNBC1001Z2 BUTTON, MESSAGE AS-HB Limited. PNJK1033Z KEYBOARD SWITCH, TAM...
  • Page 87 KX-TG9385BXT/KX-TGA939BXT Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks Q621 B1ADGE000004 TRANSISTOR(SI) R111 ERJ3GEYJ825 8.2M Q761 PQVTDTC143E TRANSISTOR(SI) R112 ERJ3GEYJ825 8.2M Q772 B1ADGE000004 TRANSISTOR(SI) R113 ERJ3GEYJ564 560k Q773 UN5213 TRANSISTOR(SI)
  • Page 88 KX-TG9385BXT/KX-TGA939BXT Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R327 ERJ2GEJ471 PO101 PFRT002 R328 ERJ3GEYJ181 PO201 PFRT002 R361 ERJ3GEYJ332 3.3k (CAPACITORS) R364 ERJ3GEYJ103 C102 F1K2J681A006 680p R365 ERJ3GEYJ102 C103 F1K2J681A006 680p...
  • Page 89 KX-TG9385BXT/KX-TGA939BXT Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C314 ECUV1A105KBV 1 C824 ECUE1H220JCQ 22p C315 F2A1C3310029 330 C831 ECUE1H151JCQ 150p C316 ECEA0JK331 C832 ECUE1H102KBQ 0.001 C317 ECUV1A105KBV 1 (OTHERS)
  • Page 90 KX-TG9385BXT/KX-TGA939BXT Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks PNBC1008Y2 BUTTON, TALK ABS-HB (IC FILTERS) PNBC1009Y2 BUTTON, OFF ABS-HB J0JCC0000287 IC FILTER PNBC1010Y2 BUTTON, SP ABS-HB J0JCC0000276 IC FILTER PNBC1011Y2...
  • Page 91 KX-TG9385BXT/KX-TGA939BXT Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks D1H433220001 3.3k C808 ECUE1A104KBQ 0.1 RA61 D1H410220001 1k C809 ECUE1H100DCQ 10p ERJ2GEJ330 C810 F1G1H2R7A480 1.8p ERJ2GEJ330 C811 ECUE1H100DCQ 10p ERJ2GE0R00 C813...
  • Page 92 KX-TG9385BXT/KX-TGA939BXT Safety Ref. Part No. Part Name & Description Remarks PNKE1004Z1 HANGER, BELT CLIP ABS-HB PQKL10078Z2 STAND, WALLMOUNT 15.5.5. Screws Safety Ref. Part No. Part Name & Description Remarks XTB26+8GFJ TAPPING SCREW XTB2+8GFJ TAPPING SCREW 15.5.6. Fixtures and Tools Note: (*1) See Equipment Required (P.50), and The Setting...

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