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Panasonic KX-TG9120FXS Service Manual

Digital cordless answering system silver version, caller id and sms compatible
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Telephone Equipment
KX-TG9120FXS
KX-TGA910FXS
Digital Cordless Answering System
Silver Version
(for Central Europe)
© 2006 Panasonic Communications Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER NO. KM40610214CE

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Summary of Contents for Panasonic KX-TG9120FXS

  • Page 1 ORDER NO. KM40610214CE Telephone Equipment KX-TG9120FXS KX-TGA910FXS Digital Cordless Answering System Silver Version (for Central Europe) © 2006 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TG9120FXS/KX-TGA910FXS...

  • Page 3: Table Of Contents

    KX-TG9120FXS/KX-TGA910FXS TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 4 13.1. Circuit Board (Base Unit_Main) ---------------------- 77 1.1. For Service Technicians --------------------------------- 4 13.2. Circuit Board (Base Unit_Operation)---------------- 79 2 Warning -------------------------------------------------------------- 4 13.3. Circuit Board (Handset) -------------------------------- 81 2.1. Battery Caution--------------------------------------------- 4 13.4.

  • Page 4: Safety Precautions

    KX-TG9120FXS/KX-TGA910FXS 1 Safety Precautions 1.1. For Service Technicians ICs and LSIs are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1. Cover plastic parts boxes with aluminum foil. 2. Ground the soldering irons. 3. Use a conductive mat on worktable.

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

    KX-TG9120FXS/KX-TGA910FXS 2.2.1. Suggested PbF Solder There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper (Sn+Ag+Cu), you can also use Tin and Copper (Sn+Cu), or Tin, Zinc, and Bismuth (Sn+Zn+Bi). Please check the manufac- turer’s specific instructions for the melting points of their products and any precautions for using their product with other materi-...

  • Page 6: Specifications

    KX-TG9120FXS/KX-TGA910FXS 3 Specifications...

  • Page 7: Technical Descriptions

    KX-TG9120FXS/KX-TGA910FXS 4 Technical Descriptions 4.1. Block Diagram (Base Unit)

  • Page 8: Circuit Operation (Base Unit)

    KX-TG9120FXS/KX-TGA910FXS 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): IC7 - Handling all the audio, signal and data processing needed in a DECT base unit...

  • Page 9: Power Supply Circuit

    KX-TG9120FXS/KX-TGA910FXS 4.2.2. Power Supply Circuit The power is supplied to the DECT BBIC, RF Module, EEPROM and Charge Contact from AC Adaptor (+6.5V) as shown in Fig.101. The power supply is as follows; • DECT BBIC (IC7): CN2 (+6.5V) → IC1 → Q9 → IC7 CN2 (+6.5V) →...
  • Page 10 KX-TG9120FXS/KX-TGA910FXS 4.2.3. Telephone Line Interface <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, Q3 is open to cut the DC loop current and decrease the ring load.

  • Page 11: Block Diagram (Handset)

    KX-TG9120FXS/KX-TGA910FXS 4.3. Block Diagram (Handset) SP AMP SPEAKER RXDA Speech Burst Decoding Decoding TXDA RECEIVER Speech Burst Module Encoding Encoding RSSI ADPCM SYDA Codec SYEN IC20 Analog Interface Filter SYCL Front Headset CHARGE(+) CHARGE XTAL CHARGE CHARGE CIRCUIT CONTACTS CHARGE DETECT...

  • Page 12: Charge Circuit

    KX-TG9120FXS/KX-TGA910FXS 4.4. Circuit Operation (Handset) 4.4.1. Outline Handset consists of the following ICs as shown in Block Diagram (Handset) (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, Flash ROM, SRAM, LCD) •...

  • Page 13: Circuit Operation (Charger Unit)

    KX-TG9120FXS/KX-TGA910FXS 4.5. Circuit Operation (Charger Unit) 4.5.1. Power Supply Circuit The power supply is as shown.

  • Page 14: Signal Route

    KX-TG9120FXS/KX-TGA910FXS 4.6. Signal Route...
  • Page 15 KX-TG9120FXS/KX-TGA910FXS...

  • Page 16: Location Of Controls And Components

    KX-TG9120FXS/KX-TGA910FXS 5 Location of Controls and Components 5.1. Controls 5.1.1. Base Unit 5.1.2. Handset...

  • Page 17: Installation Instructions

    KX-TG9120FXS/KX-TGA910FXS 6 Installation Instructions 6.1. Connections 6.2. Battery Base unit 6.2.1. Installation/Replacement When connecting the AC adaptor to the base unit, a short Important: beep will be heard. If it is not heard, check the connections. • Use only the included rechargeable batteries HHR-4EPT.

  • Page 18: Battery Charge

    Clean if the unit is exposed to grease, dust, or high humidity. 6.2.3. Battery Strength 6.2.4. Panasonic Ni-MH Battery Perfor- mance (included batteries) Note: • It is normal for batteries not to reach full capacity at the initial charge. Maximum battery performance is reached after a few complete cycles of charge/discharge (use).

  • Page 19: Expanding Your Phone System

    KX-TG9120FXS/KX-TGA910FXS 6.3. Expanding your phone system...

  • Page 20: Operation Instructions

    KX-TG9120FXS/KX-TGA910FXS 7 Operation Instructions 7.1. Base Unit Settings For your reference, a chart of all items which can be customised for the base unit is shown below. • These items are customised using the handset. • When customising the base unit, the current item or setting is highlighted on the display.

  • Page 21: Handset Settings

    KX-TG9120FXS/KX-TGA910FXS 7.2. Handset Settings *1 The item will not be reset when pressing keys. Refer to How to Clear User Setting (P.32). *2 For USB adaptor KX-TGA915EX users only. *3 The item will not be reset when pressing keys. Refer to How to Clear User Setting (P.32).

  • Page 22: Registering A Handset To A Base Unit

    KX-TG9120FXS/KX-TGA910FXS *4 The default display language will be as follows if you select the following regional codes when changing the unit’s region set- ting (see Base Unit Settings): *5 The items are not shown on the display. *6 Here, only the case that a handset is registered to a maximum of 4 Base units is mentioned.

  • Page 23: Cancelling A Base Unit

    KX-TG9120FXS/KX-TGA910FXS 7.3.1. Cancelling a Handset 7.3.2. Cancelling a Base Unit 7.4. Copying Phonebook Entries You can copy handset phonebook entries to the shared phonebook or to the handset phonebook of another compatible Panasonic handset. Note: • Category settings for phonebook entries are not copied.

  • Page 24: For Service Hint

    KX-TG9120FXS/KX-TGA910FXS 7.5. For Service Hint...

  • Page 25: Service Mode

    KX-TG9120FXS/KX-TGA910FXS 8 Service Mode 8.1. Engineering Mode 8.1.1. Base Unit...
  • Page 26 KX-TG9120FXS/KX-TGA910FXS Frequently Used Items (Base Unit) ex.) Items (*3) Address Default Data New Data Remarks C-ID (FSK) sensitivity 04 72 01 (6dB up) 02 (12dB up) When hex changes from “00” to “01” or “02”, gain increases by 6dB or 12dB.
  • Page 27 KX-TG9120FXS/KX-TGA910FXS (*3) Items Description C-ID (FSK) sensitivity FSKGain_shiftgain C-ID (DTMF) sensitivity Foutgains:HPFilter Foutgains SMS (FSK) receiving sensitivity FSKGain_shiftgain SMS (FSK) sending level wFskAttn:Signal Output Attenuation (DSP parameter) Frequency Setting value of FREQ_TRIM_REG Bell length Time until it stops bell. PULSE Dial speed Pulse MakeTime and BreakTime.
  • Page 28 KX-TG9120FXS/KX-TGA910FXS 8.1.2. Handset...
  • Page 29 KX-TG9120FXS/KX-TGA910FXS Frequently Used Items (Handset) ex.) Items (*2) Address Default Data New Data Possible Adjusted Possible Adjusted Remarks Value MAX (hex) Value MIN (hex) Sending level 00 06 Adjusted value Given value (*3) Receiving level 00 07 Adjusted value Given value...

  • Page 30: Copying Phonebook Items When Repairing

    KX-TG9120FXS/KX-TGA910FXS 8.2. Copying Phonebook Items When Repairing...
  • Page 31 KX-TG9120FXS/KX-TGA910FXS Note: • If the max number of handsets are already registered to the base unit, a new handset cannot be registered. • To register the handset, refer to Registering a Handset to a Base Unit (P.22). • To cancel the handset, refer to Cancelling a Handset (P.23).

  • Page 32: How To Clear User Setting

    KX-TG9120FXS/KX-TGA910FXS 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 Operation Instructions (P.20).

  • Page 33: Troubleshooting Guide

    KX-TG9120FXS/KX-TGA910FXS 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart Cross Reference: Check Power (P.34) Bell Reception (P.40) Check Battery Charge (P.35) Check Link (P.36) Check Handset Transmission (P.39) Check Handset Reception (P.39) Signal Route (P.14) Check Caller ID (P.39) Check TAM Operation (P.40)

  • Page 34: Check Power

    KX-TG9120FXS/KX-TGA910FXS 9.1.1. Check Power 9.1.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (*1) Cross Reference: Note: Power Supply Circuit (P.9) (*1) Refer to Specifications (P.6) for part number and sup- ply voltage of AC adaptor. 9.1.1.2. Handset Cross Reference: Power Supply Circuit/Reset Circuit (P.12)

  • Page 35: Charger Unit

    KX-TG9120FXS/KX-TGA910FXS 9.1.2. Check Battery Charge 9.1.2.1. Base Unit Cross Reference: Power Supply Circuit (P.9) 9.1.2.2. Handset Cross Reference: Check Power (P.34) Charge Circuit (P.12) 9.1.2.3. Charger Unit Cross Reference: Power Supply Circuit (P.9)

  • Page 36: Check Link

    KX-TG9120FXS/KX-TGA910FXS 9.1.3. Check Link 9.1.3.1. Base Unit Cross Reference: Power Supply Circuit (P.9) Check Point (Base Unit) (P.41) Note: (*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.41).
  • Page 37 KX-TG9120FXS/KX-TGA910FXS Cross Reference: Check Point (Base Unit) (P.41)
  • Page 38 KX-TG9120FXS/KX-TGA910FXS 9.1.3.2. Handset Cross Reference: Power Supply Circuit/Reset Circuit (P.12) Check Point (Handset) (P.45) Note: (*1) Refer to Troubleshooting by Symptom (Handset) (P.45).

  • Page 39: Check Handset Transmission

    KX-TG9120FXS/KX-TGA910FXS Cross Reference: Check Point (Handset) (P.45) 9.1.4. Check Handset Transmission Cross Reference: Signal Route (P.14) 9.1.5. Check Handset Reception Cross Reference: How to Check the Handset Speaker or Receiver (P.67). Signal Route (P.14) 9.1.6. Check Caller ID Cross Reference:...

  • Page 40: Base Unit

    KX-TG9120FXS/KX-TGA910FXS 9.1.7. Bell Reception 9.1.7.1. Base Unit 9.1.7.2. Handset Cross Reference: Telephone Line Interface (P.10) Check Link (P.36) How to Check the Handset Speaker or Receiver (P.67) 9.1.8. Check TAM Operation Cross Reference: Power Supply Circuit (P.9) Note: (*1) When replacing FLASH MEMORY (IC9), TAM data needs to be written to it. Refer to Base Unit (P.65) of Things to Do...

  • Page 41: Troubleshooting By Symptom (Base Unit And Charger Unit)

    KX-TG9120FXS/KX-TGA910FXS 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. 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 42 KX-TG9120FXS/KX-TGA910FXS Items Check Procedure Check or Point Replace Parts (G)* Hookswitch Check with 1. Connect CN1 (Telephone Socket) to Tel-simulator which is connected with L1, L2, Q3, R14, 600 Ω. DC Characteristics R15, Q4, R16, 2. Set line voltage to 48V and line current to 40mA at off-hook condition of nor- R17, IC7, D3 mal telephone.
  • Page 43 KX-TG9120FXS/KX-TGA910FXS Items Check Procedure Check or Point Replace Parts (M)* Sensitivity Receiver Follow steps 1 to 6 of (I). IC7, IC10, L7, Confirmation 7.Set DECT tester power to -90dBm. L3, L4, L6, 8.Confirm that the BER is < 1000ppm. C117, C118,...
  • Page 44 KX-TG9120FXS/KX-TGA910FXS 9.2.2. Check Point (Charger Unit) Items Check Procedure Check or Point Replace Parts Charging Check 1. Connect Charge Contact 12Ω/2W resistor between charge+ and charge-. R2, R1, R3, R4 2. Measure and confirm voltage across the resistor is 3.3V ± 0.2V.

  • Page 45: Troubleshooting By Symptom (Handset)

    KX-TG9120FXS/KX-TGA910FXS 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 46 KX-TG9120FXS/KX-TGA910FXS Items Check Procedure Check or Point Replace Parts (G) Charge Control Check & 1. Apply 3.5V between TP18(+) and TP19(-) with DC power supply and set cur- IC1, Q9, F1, Charge Current Monitor rent limit to 250mA. Q10, D10, L6, Check 2.
  • Page 47 KX-TG9120FXS/KX-TGA910FXS Items Check Procedure Check or Point Replace Parts (O)* Frequency Drift Confir- Follow steps 1 to 3 of (K). IC1, IC20, mation 4.Confirm that the frequency Drift is < ± 30kHz/ms. C115, C120, R66, IC7, C118, C122, C44, R127,...
  • Page 48 KX-TG9120FXS/KX-TGA910FXS Items Check Procedure Check or Point Replace Parts (U) SP phone Audio Check 1. Link to Base which is connected to Line Simulator. IC1, R39, R40, and Confirmation 2. Set line voltage to 48V and line current to 40mA.

  • Page 49: How To Replace The Flat Package Ic

    KX-TG9120FXS/KX-TGA910FXS 9.4. 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 50 KX-TG9120FXS/KX-TGA910FXS 9.4.3. 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 51: How To Replace The Llp

    KX-TG9120FXS/KX-TGA910FXS 9.5. How to Replace the LLP (Leadless Leadframe Package) IC 9.5.1. 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 52 KX-TG9120FXS/KX-TGA910FXS 9.5.4. 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 53: Disassembly And Assembly Instructions

    KX-TG9120FXS/KX-TGA910FXS 10 Disassembly and Assembly Instructions 10.1. Disassembly Instructions 10.1.1. Base Unit...
  • Page 54 KX-TG9120FXS/KX-TGA910FXS 10.1.2. Handset...
  • Page 55 KX-TG9120FXS/KX-TGA910FXS...
  • Page 56 KX-TG9120FXS/KX-TGA910FXS 10.1.3. Charger Unit...

  • Page 57: Assembly Instructions

    KX-TG9120FXS/KX-TGA910FXS 10.2. Assembly Instructions 10.2.1. Fix the LCD to the Main P.C.Board (Handset)

  • Page 58: Measurements And Adjustments

    KX-TG9120FXS/KX-TGA910FXS 11 Measurements and Adjustments 11.1. The Setting Method of JIG (Base Unit) 11.1.1. Preparation 11.1.1.1. Equipment Required • DECT tester: Rohde & Schwarz, CMD 60 is recommended. • Frequency counter: It must be precise enough to measure intervals of 1Hz (precision; ±4ppm).
  • Page 59 KX-TG9120FXS/KX-TGA910FXS 11.1.2.2. Batch file Settings Note: • “****” varies depending on the country. 11.1.2.3. 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”...

  • Page 60: Adjustment Standard (Base Unit)

    KX-TG9120FXS/KX-TGA910FXS 11.2. Adjustment Standard (Base Unit) When connecting the simulator equipment for checking, please refer to below. 11.2.1. Flow Solder Side View BLACK VDD4 VDD3 Note: (A) - (S) is referred to Check Point (Base Unit) (P.41).

  • Page 61: Adjustment Standard (Charger Unit)

    KX-TG9120FXS/KX-TGA910FXS 11.3. Adjustment Standard (Charger Unit) When connecting the simulator equipment for checking, please refer to below. 11.3.1. Flow Solder Side View Digital DC POWER Volt 6.5V Meter 12Ω/2W BLACK for_ PQLV30045ZA PQUP11413Z Note: (A) is referred to Check Point (Charger Unit) (P.44).

  • Page 62: The Setting Method Of Jig (Handset)

    KX-TG9120FXS/KX-TGA910FXS 11.4. The Setting Method of JIG (Handset) 11.4.1. Preparation 11.4.1.1. Equipment Required • DECT tester: Rohde & Schwarz, CMD 60 is recommended. • Frequency counter: It must be precise enough to measure intervals of 1Hz (precision; ±4ppm). Hewlett Packard, 53131A is recommended.
  • Page 63 KX-TG9120FXS/KX-TGA910FXS 11.4.2.2. Batch file Settings Note: • “****” varies depending on the country. 11.4.2.3. Commands See the table below for frequently used commands. Command name Function Example rdeeprom Read the data of FLASH Type “rdeeprom 00 00 FF”, and the data from address “00 00”...

  • Page 64: Adjustment Standard (Handset)

    KX-TG9120FXS/KX-TGA910FXS 11.5. Adjustment Standard (Handset) When connecting the simulator equipment for checking, please refer to below. 11.5.1. Component View REV- REV+ R121 R122 R125 R130 R124 C120 C115 C119 C126 C114 C118 R45 R64 C131 POWER TP10 TP10 FLASH TP11...

  • Page 65: Things To Do After Replacing Ic

    KX-TG9120FXS/KX-TGA910FXS 11.6. Things to Do after Replacing IC Cautions: Some of the content on this page may not apply to models from some countries. The contents below are the minimum adjust- ments required for operation. 11.6.1. Base Unit Before making the following adjustment, ensure you have carried out PC Setting (P.58) in The Setting Method of JIG (Base Unit).

  • Page 66: Rf Specification

    KX-TG9120FXS/KX-TGA910FXS 11.7. RF Specification 11.7.1. Base Unit Item Value Refer to -. * TX Power 20 dBm ~ 25 dBm Check Point (Base Unit) (I) Modulation -350 ~ -400/+320 ~ +370 kHz/div Check Point (Base Unit) (J) Frequency Offset -45 kHz ~ +45 kHz...

  • Page 67: How To Check The Handset Speaker Or Receiver

    KX-TG9120FXS/KX-TGA910FXS 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. 11.9. Frequency Table (MHz) BASE UNIT...
  • Page 68 KX-TG9120FXS/KX-TGA910FXS Memo...

  • Page 69: Schematic Diagram

    KX-TG9120FXS/KX-TGA910FXS 12 Schematic Diagram 12.1. For Schematic Diagram 12.1.1. 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 70: Schematic Diagram (Base Unit_Main)

    KX-TG9120FXS/KX-TGA910FXS 12.2. Schematic Diagram (Base Unit_Main) L2T L1T L1R LINE_DC Loop Current 100k 5.6k 3.9k 100k 180k K1000p 4.7k TP_RLY1 L1T/TP_RLY2 1500p L2T/TP_RLY3 For JT L1R/TP_RLY4 100k K1000p 180k TP_RLY5 1500p Caller ID, Bell Signal +2.5V For NL +2.5V TX_AF...
  • Page 71 KX-TG9120FXS/KX-TGA910FXS ANT_2 ANT_1 RF Module 2.2n 2.2n R107 R108 C122 3.3V +3.3V GND1 GND14 ANT2 GND13 VCCPA GND12 +2.5V GND2 GND11 GND3 IC10 GND10 TX DATA 10.368MHz VCC_OC ANT1 R112 RESET GND4 *RESET 2.5V RSSI RSSI GND9 SYRI TXDA GND5...

  • Page 72: Schematic Diagram (Base Unit_Operation)

    KX-TG9120FXS/KX-TGA910FXS 12.3. Schematic Diagram (Base Unit_Operation) LED2T CN11-5 CN11-4 CN11-3 CN11-2 CN11-1 CN10-5 CN10-4 SKIP ERASE REPEAT CN10-3 CN10-2 ANS_ON LOCATOR VOL_UP CN10-1 VOL_DOWN STOP PLAY KX-TG9120 SCHEMATIC DIAGRAM (Base Unit_Operation)
  • Page 73 KX-TG9120FXS/KX-TGA910FXS Memo...

  • Page 74: Schematic Diagram (Handset)

    KX-TG9120FXS/KX-TGA910FXS 12.4. Schematic Diagram (Handset) ANT1 Back light OFF: 4.0V (stand by)/3.5V (Talk) Back light ON: 4.25V Charge Current 1.8V +4.0V BATTERY BATTERY 3.0V TP10 BATTERY+ GND14 GND1 TP12 +1.8V 5.6n +3.0V TP11 GND13 ANT2 GND12 VCCPA GND11 GND2 GND10...
  • Page 75 KX-TG9120FXS/KX-TGA910FXS +3.0V READ# DB11 DQ11 DB13 DQ13 DB15 DQ15 VSS1 +4.0V VSS2 SP_TEST2 +3.0V VOUT2 +VREF 100n 100k +VIN -VIN VOUT1 SP_TEST1 100n 470p Sp-phone RX Beep VCC2 DB12 SRAM_CS# SRAM_UB# VSS2 DB14 DB13 READ# SRAM_LB# 1.6V DC supply to Mic TX-AF 2.2k...

  • Page 76: Schematic Diagram (Charger Unit)

    KX-TG9120FXS/KX-TGA910FXS 12.5. Schematic Diagram (Charger Unit) SCHEMATIC DIAGRAM (Charger Unit)

  • Page 77: Printed Circuit Board

    KX-TG9120FXS/KX-TGA910FXS 13 Printed Circuit Board 13.1. Circuit Board (Base Unit_Main) 13.1.1. Component View...

  • Page 78: Flow Solder Side View

    KX-TG9120FXS/KX-TGA910FXS 13.1.2. Flow Solder Side View...

  • Page 79: Circuit Board (Base Unit_Operation)

    KX-TG9120FXS/KX-TGA910FXS 13.2. Circuit Board (Base Unit_Operation) 13.2.1. Component View ANS_ON ERASE STOP LOCATOR LED2 VOL_UP LED1 SKIP REPEAT PLAY VOL_DOWN KX-TG9120 CIRCUIT BOARD (Base Unit_Operation (Component View))
  • Page 80 KX-TG9120FXS/KX-TGA910FXS 13.2.2. Flow Solder Side View PQUP11412Z KX-TG8120 KX-TG9120 CIRCUIT BOARD (Base Unit_Operation (Flow Solder Side View))

  • Page 81: Circuit Board (Handset)

    KX-TG9120FXS/KX-TGA910FXS 13.3. Circuit Board (Handset) 13.3.1. Component View R121 R122 R125 R130 R124 C120 C115 C119 C126 C114 C118 R45 R64 C131 POWER TP10 FLASH TP11 JTAG SRAM SCLK TP12 C4 C35 R137 R138 R139 C127 R5 C130 C128 TP18...
  • Page 82 KX-TG9120FXS/KX-TGA910FXS 13.3.2. Flow Solder Side View LED7 RA4 RA3 RA2 R133...

  • Page 83: Circuit Board (Charger Unit)

    KX-TG9120FXS/KX-TGA910FXS 13.4. Circuit Board (Charger Unit) 13.4.1. Component View PQUP11413Z for_ PQLV30045ZA BLACK CIRCUIT BOARD (Charger Unit (Component View)) 13.4.2. Flow Solder Side View BLACK for_ PQLV30045ZA PQUP11413Z CIRCUIT BOARD (Charger Unit (Flow Solder Side View))

  • Page 84: Appendix Information Of Schematic Diagram

    KX-TG9120FXS/KX-TGA910FXS 14 Appendix Information of Schematic Diagram 14.1. CPU Data (Base Unit) 14.1.1. IC7 (BBIC) Pin No. Pin name Connection at Normal mode at Reset mode *INT1n/ P11 I-PU VDDIO1 VDDIO VDD1 VSS1 SDA1/P25 D,I/O SCL1/P24 *INT5/VDDE/P15 P1[5] *INT2/P12 SP_AMP...
  • Page 85 KX-TG9120FXS/KX-TGA910FXS Pin No. Pin name Connection at Normal mode at Reset mode CIDINp CIDINp P14 / *INT4 HOOK PULSE_CTRL Q2_ON Q2_OFF ADC2 ADC2 ADC0 ADC0...

  • Page 86: Cpu Data (Handset)

    KX-TG9120FXS/KX-TGA910FXS 14.2. CPU Data (Handset) 14.2.1. IC1 (BBIC) Pin No. Pin name Connection at Normal mode at Reset mode VDDIO VDDIO O_0/1 O-0/1 O_0/1 O-0/1 AD10 AD10 O_0/1 O-0/1 AD11 AD11 O_0/1 O-0/1 AD12 AD12 O_0/1 O-0/1 AD13 AD13 O_0/1...
  • Page 87 KX-TG9120FXS/KX-TGA910FXS Pin No. Pin name Connection at Normal mode at Reset mode ACS2/DACK1n/INT3n/ ACS2 O_0/1 I-PU P1[3] HOLDn/INT4n/P1[4] INT4n/P1[4] I-PU_0/1 I-PU VDDE/HOLDACKn/ D_I/O P1[5] INT5n/P1[5] BE1n BE1n O_0/1 BE0n BE0n O_0/1 SCL2/P3[0] D_O0/1 P3[0] O_0/1 SDA2 SDA2 DAB0 D_I/O O/I_0/1...
  • Page 88 KX-TG9120FXS/KX-TGA910FXS Pin No. Pin name Connection at Normal mode at Reset mode O_0/1 O-0/1 O_0/1 O-0/1 O_0/1 O-0/1...

  • Page 89: Terminal Guide Of The Ics, Transistors And Diodes

    KX-TG9120FXS/KX-TGA910FXS 14.3. Terminal Guide of the ICs, Transistors and Diodes 14.3.1. Base Unit 14.3.2. Handset...

  • Page 90: Exploded View And Replacement Parts List

    KX-TG9120FXS/KX-TGA910FXS 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit)

  • Page 91: Cabinet And Electrical Parts (Handset)

    (*1) This cable is fixed by soldering. Refer to Fix the LCD to the Main P.C.Board (Handset) (P.57). (*2) The rechargeable Ni-MH battery P03P (HHR-4EPT, Capacity: up to 750 mAh) is available through sales route of Panasonic. (*3) Attach the spacer (No. 123) to the exact location described above.

  • Page 92: Cabinet And Electrical Parts (Charger Unit)

    KX-TG9120FXS/KX-TGA910FXS 15.3. Cabinet and Electrical Parts (Charger Unit)

  • Page 93: Accessories And Packing Materials

    KX-TG9120FXS/KX-TGA910FXS 15.4. Accessories and Packing Materials 15.4.1. KX-TG9120FXS...
  • Page 94 KX-TG9120FXS/KX-TGA910FXS 15.4.2. KX-TGA910FXS...

  • Page 95: Replacement Parts List

    KX-TG9120FXS/KX-TGA910FXS 15.5. Replacement Parts List 1. RTL (Retention Time Limited) Ref. Part No. Part Name & Description Remarks Note: PQBC10463Y2 BUTTON, ANSWER ON ABS-HB The marking (RTL) indicates that the Retention Time PQSX10316Y KEYBOARD SWITCH is limited for this item.
  • Page 96 KX-TG9120FXS/KX-TGA910FXS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks ERJ3GEYJ273 ERJ3GEY0R00 ERJ3GEYJ822 8.2K ERJ2GE0R00 ERJ3GEYJ472 4.7K (CAPACITORS) ERJ12YJ120 F1B2H152A048 0.0015 ERJ12YJ270 F1B2H152A048 0.0015 ERJ3GEYJ104 100K ECUV1H102KBV 0.001 ERJ3GEYJ393 ECUV1H102KBV 0.001 ERJ3GEYJ104 100K...
  • Page 97 KX-TG9120FXS/KX-TGA910FXS with PQZZTG9120FX. Refer to Handset (P.65) of Things Ref. Part No. Part Name & Description Remarks to Do after Replacing IC. C135 ECUE1H100DCQ (*3) Before replacing IC2, check item (E) in Check Point C136 ECUE1H100DCQ (Handset) (P.45). C137 ECUE1H100DCQ (*4) It is impossible to exchange IC2 or IC3.
  • Page 98 KX-TG9120FXS/KX-TGA910FXS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks ERJ2GEYJ474 470K ECUV1C104KBV ERJ2GEYJ474 470K ECJ0EB1A104K ERJ2GEJ102 ECJ0EB1A104K ERJ2GEJ102 ECJ0EB1A683K 0.068 ERJ2GEJ102 ECJ0EB1A683K 0.068 ERJ2GEJ105X ECJ0EB1A104K ERJ2GEJ104 100K ECJ0EB1A683K 0.068 ERJ2GEJ104 100K ECJ0EB1A104K...
  • Page 99 ERDS1VJ100 ERDS1TJ120 ERDS1VJ100 ERDS1TJ120 15.5.4. Accessories and Packing Materials Note: (*1) You can download and refer to the Operating Instruc- tions (Instruction book) on TSN Server. 15.5.4.1. KX-TG9120FXS Ref. Part No. Part Name & Description Remarks PQLV207CEZ AC ADAPTOR PQJA10075Z...

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