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Panasonic KX-TCD412NZM Service Manual

Digital cordless phone metallic gray version
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ORDER NO. KM40310263C3
Telephone Equipment
KX-TCD412NZM / KX-A141NZM / KX-A142NZM
Digital Cordless Phone
Metallic Gray Version
(for New Zealand)
SPECIFICATIONS
1

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Summary of Contents for Panasonic KX-TCD412NZM

  • Page 1 ORDER NO. KM40310263C3 Telephone Equipment KX-TCD412NZM / KX-A141NZM / KX-A142NZM Digital Cordless Phone Metallic Gray Version (for New Zealand) SPECIFICATIONS...

  • Page 2: About Lead Free Solder (Pbf: Pb Free)

    2003 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. ABOUT LEAD FREE SOLDER (PbF: Pb free) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that contains lead.

  • Page 3: Suggested Pbf Solder

    temperature control and adjust it to 700°F ± 20°F (370°C ± 10°C). In case of using high temperature soldering iron, please be careful not to heat too long. - PbF solder will tend to splash if it is heated much higher than its melting point, approximately 1100°F (600°C).

  • Page 4: For Service Technicians

    1.2.1. Base Unit PCB (Component View) (Flow Solder Side View) Note: The locations of the “PbF“ mark is subject to change without notice. 1.2.2. Handset PCB (Component View) (Flow Solder Side View) Note: The locations of the “PbF“ mark is subject to change without notice. 1.2.3.

  • Page 5: Battery Charge

    Close the cover as indicated by the arrow. - When you replace the batteries, part should be removed first. 4.2. Battery Charge At the time of shipment, the batteries are not charged. To charge, place the handset on the base unit.

  • Page 6: Replacing The Batteries

    - Battery life is dependent on use and conditions but in general when using fully charged Ni-MH batteries (700 mAh): Talk time: 10hrs approx. Standby time: 120hrs approx. - When using Ni-Cd batteries (250 mAh): Talk time: 4hrs approx. Standby time: 40hrs approx. (Times indicated are for peak performance) - The batteries reach peak performance after several full charge/ discharge cycles.

  • Page 7: Location Of Controls

    - Do not use non-rechargeable batteries. If non-rechargeable batteries are fitted and start charging, it may cause the leakage of the battery electrolyte. Please use only Panasonic P03P(Ni-MH) or P03H(Ni-Cd) batteries. 5. LOCATION OF CONTROLS 5.1. Base Unit 5.2. Handset...
  • Page 8 6. SETTINGS 6.1. Connection 6.1.1. Base Unit Plug in the AC adaptor and the telephone line cord in order 1, 2, 3, 4.
  • Page 9 - The telephone will not work during a power failure. We therefore recommend you use a standard telephone and T Adaptor to connect this Digital Cordless Phone to the line. Your Panasonic Sales Shop can offer you more information about connection possibilities.
  • Page 10 6.3. PIN Code 6.3.1. Base Unit - To exit the operation, press any time. For Service Hint: * : If the current 4-digit PIN is forgotten, press you will be able to enter new PIN. 6.3.2. Handset...
  • Page 11 - To exit the operation, press any time. For Service Hint: * : If the current 4-digit PIN is forgotten, press you will be able to enter new PIN. 6.3.3. Reset Base Unit PIN to Default (0000) -When There is NO Handset Registered- 6.3.3.1.
  • Page 12 2. Next, execute <initbspin.bat> by typing "initbspin". The PC display will be shown as below. 3. After that, turn off DC power supply (9V) to the jig, unplug AC adaptor, and remove pins on PCB. Then close the cabinet. The base pin returns to the default (0000) and you can register a handset to the base using the base PIN (0000).
  • Page 13 You can reset all of the handset settings to their initial settings. - To exit the operation, press any time. - *1: The factory preset is 0000. Handset Initial Settings Function Initial Setting Remarks (selectable options) Time Alarm Mode OFF/ON Alarm Time Clear OFF/Once/Daily...

  • Page 14: Handset Display

    6.5. Key Lock You can lock the handset dialling buttons. Only incoming calls are accepted while the key lock is on. The key lock is cancelled if the handset is turned off. When the key lock is on, emergency calls cannot be made until key lock is cancelled. is displayed (Refer to Handset Display ()) and all dialling buttons...

  • Page 15: Call Restriction

    is displayed (Refer to Handset Display ()) on the LCD. 6.8. Call Restriction You can restrict selected handset(s) from dialling selected phone numbers. You can assign up to 10 call restriction numbers (up to 8 digits). If you dial a restricted number, the call does not connect and restricted number flashes.

  • Page 16: Selecting The Display Language

    - To exit the operation, press any time. - *1: The factory preset is 0000. - *2: The selected handset(s) will stop flashing. 6.10. Call BAR On/Off (Call Prohibition On/Off) You cannot make any dialling if call BAR is on. - To exit the operation, press any time.
  • Page 17 - To exit the operation, press any time. - *1 You can select one of 10 languages. If you set a language you cannot read, reset the handset to its initial settings. Press MENU DOWN RIGHT RIGHT 4-digit Handset PIN All handset setting will be reset to their initial settings, however, the Phonebook data will be saved.
  • Page 18 For Service Hint: icon will be displayed if the unit took a signal from Telephone Company as a Voice Message signal. In that case, press the left button of the Navigator Key for a while. 7.2. Before Requesting Help (Troubleshooting) If you experience any problems with the normal use of your apparatus, you should unplug it from the telephone outlet and connect a known working telephone in its place.

  • Page 19: Power On/Off

    Cross Reference: Power On/Off Call BAR On/Off (Call Prohibition On/Off) Call Restriction Key Lock PIN Code 8. OPERATIONS 8.1. Power On/Off...

  • Page 20: Making A Call

    *1 When button is released, the display changes to the standby mode. *2 The display goes blank. 8.2. Making a Call *1 If you need correction, press CLEAR. Digit is cleared to the left, then enter numbers. 8.3. Answering a Call - Each ringer will start ringing with lower volume then gradually increase the volume when receiving a call.
  • Page 21 - To exit the operation, press any time. *1 For example, to set 7:15, enter 0715. *2 For example, to set the 16th of February, 2003, enter 160203. 8.5. Phonebook You can store up to 20 caller information in the phonebook. If you received a call from the same phone number you stored with a name in the phonebook, the display will show the caller’s name.
  • Page 22 - To exit the operation, press any time.
  • Page 23 *1 If there is no item stored in the phonebook, the display shows *2 Digits are cleared to the left of the flashing digit. *3 Digits are added to the left of the flashing digit. If you need to clear or add more than one digit, repeat the steps from 5.
  • Page 24 *2 If you need correction, press RIGHT or LEFT to move cursor then clear a character by pressing CLEAR, and/or enter digits. Digits are cleared or added to the left of the flashing digit. 8.5.4. Hot Key (: Speed Dial) You can assign the dialling buttons 1 through 9 as hot keys.

  • Page 25: Charger Unit

    Shown in Fig.- To Remove Remove Lower Cabinet Screws (2.6 × 12)..(A) × 2 Main P.C. Board Main P.C. Board 9.2. Handset Shown in Fig.- To Remove Remove Rear Cabinet Screws (2 × 10)..(B) × 2 Main P.C. Board Screw (2 × 8)....(C) × 1 Screws (2 ×...

  • Page 26: Warning When Constructing The Base Unit

    Shown in Fig.- To Remove Remove Lower Cabinet Screws (2.6 × 14)..(E) × 2 Main P.C. Board Main P.C. Board 10. ASSEMBLY INSTRUCTIONS 10.1. Warning When Constructing the Base Unit 11. TROUBLESHOOTING GUIDE Flow Chart...

  • Page 27: Check Power

    Cross Reference: Check Power Bell Reception Check Battery Charge Check Link Check Handset Transmission Check Handset Reception SIGNAL ROUTE 11.1. Check Power 11.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.) Cross Reference...

  • Page 28: Check Battery Charge

    Power Supply Circuit Note: BBIC is IC2. 11.1.2. Handset Cross Reference Power Supply Circuit/Reset Circuit Note: BBIC is IC1. 11.2. Check Battery Charge 11.2.1. Base Unit Cross Reference: Charge Circuit 11.2.2. Handset Cross Reference: Check Power Charge Circuit...

  • Page 29: Check Link

    Note: BBIC is IC1. 11.2.3. Charger Unit Cross Reference: Power Supply Circuit () 11.3. Check Link 11.3.1. Base Unit Cross Reference:...

  • Page 30: Check Handset Transmission

    Power Supply Circuit Adjustment (Base Unit) 11.3.2. Handset Cross Reference Power Supply Circuit Adjustment (Handset) 11.4. Check Handset Transmission Cross Reference: SIGNAL ROUTE 11.5. Check Handset Reception...

  • Page 31: Check Caller Id

    Cross Reference: HOW TO CHECK THE HANDSET SPEAKER SIGNAL ROUTE 11.6. Check Caller ID Cross Reference: SIGNAL ROUTE 11.7. Bell Reception 11.7.1. Base Unit Note: BBIC is IC2. 11.7.2. Handset Cross Reference: Telephone Line Interface Check Link Note: BBIC is IC1. 12.
  • Page 32 12.1.1. Equipment Required - DECT tester: Rohde & Schwarz, CMD 60 is recommended. - Frequency counter: it must be precise to be able to measure 1Hz (precision; ±4ppm). Hewlett Packard, 53131A is recommended. - DC power: it must be able to output at least 1A current under 9V. - Digital multi-meter (DMM): it must be able to measure voltage and current.

  • Page 33: Check Procedure (Handset)

    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. writeid Write ID (RFPI) Type “writeid 00 18 E0 0E 98”, and the ID...
  • Page 34 13.2.1. Connections 13.2.2. PC Setting 1. Open a window of MS-DOS mode from the start-up menu. 2. Change a directory to the one with “RTX_COM” contained. 3. Type “SET_COM 1” from the keyboard (when COM port 1 is used for the connection). 4.
  • Page 35 Symptom Remedy The base unit does not respond to a call from handset. Make adjustments in item ( )~(M) The base unit does not transmit or the transmit frequency is off. Make adjustments in item ( (H)~(J), (L) The transmit frequency is off. Make confirmation in item (H)~(J), (L) The transmit power output is low, and the operating distance between...
  • Page 36 Items Procedure* Check Adjustment Point 1. Confirm that the voltage between TP91 and GND is 4.0V ± 0.2V. 4.0V Supply D4,C40,Q9 Confirmation R41,R42,C4 D5,C75,C78 C69,C66,C6 1. Confirm that the voltage between J102 and GND is 0V ± 0.4V. VBACK Status IC2,Q8,C23 Confirmation C24,C25,C2...
  • Page 37 Items Procedure* Check Adjustment Point 1. Connect J1 (Telephone Socket) to DTMF tester. DTMF Generator IC2,R32,C2 2. Execute the command "hookoff" and "dtmf_up". Confirmation 3. Confirm that the high frequency (1477.06Hz) group is -8dBm ± 2dBm. 4. Execute the command "dtmf_lo". R23,C80,C1 5.
  • Page 38 Items Procedure* Check Adjustment Point (I) Modulatoin Check Follow steps 1 to 3 of (H) above. IC2,IC3,L1, and Adjustment C43,C78,C7 4. Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/ div using data type Fig31. C69,C48,C7 5. Adjust the B-Field Modulation if required. (Execute the command "readmod"...
  • Page 39 Items Procedure* Check Adjustment Point Sensitivity Follow steps 1 to 3 of (H) above. IC2,IC3,L1, Receiver C43,C78,C7 4. Set DECT tester power to -88dBm. Confirmation 5. Confirm that the BER is < 1000ppm. C69,C48,C7 C66,C67,C7 C57,C73,L3 DA1,R66,R6 C55,C56,R7 R79,C54,C5 Timing Follow steps 1 to 3 of (H) above.
  • Page 40 Items Procedure* Check Adjustment Point RSSI Level Follow steps 1 to 3 of (H) above. IC2,IC3,L1, Confirmation C43,C78,C7 4. Set DECT tester power to -88dBm. 5. Execute the command "readrssi". C69,C48,C7 6. Confirm: 29 < returned value < 3E (hex) C66,C67,C7 C57,C73,L3 DA1,R66,R6...
  • Page 41 Items Procedure* Check Adjustment Point 1. Configure the DECT tester (CMD60) as follows; Receive Audio IC2,C21,R3 <Setting> Check and Adjustment -Test mode: FP C20,C11,R1 -Mode: Normal -PMID: 0000 2. Execute the command "testmode". R16,D3,R12 3. Initiate connection from DECT tester. 4.
  • Page 42 Items Procedure* Check Adjustment Point 1. Configure the DECT tester (CMD60) as follows; Transmit Audio IC2,R32,C2 <Setting> Check and Adjustment -Test mode: FP R23,C80,C1 -Mode: Normal -PMID: 0000 2. Execute the command "testmode". C13,R22,R2 3. Initiate connection from DECT tester. 4.

  • Page 43: Adjustment Standard (Base Unit)

    14.2. Adjustment Standard (Base Unit) When connecting the Simulator Equipments for checking, please refer to below. 14.2.1. Component View Note: (H) - (O) is refered to ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) 14.2.2. Flow Solder Side View Note: (A) - (P) is refered to ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) 14.3.

  • Page 44: Adjustment (Handset)

    Symptom Remedy The movement of Battery Low indicator is wrong. Make confirmation in item (F)~(G) The handset does not respond to a call from base unit. Make adjustments in item ( (H), (J)~(N) The handset does not transmit or the transmit frequency is off. Make adjustments in item ( (H)~(K), (M) The transmit frequency is off.
  • Page 45 Items Procedure* Check Adjustment Point 1. Confirm that the voltage between TP18 and GND is 0V ± 0.4V. VBACK Status IC1,F1,R21 Confirmation R4,C33,L2 D1,C15,C2 C14,Q1,R3 R2,D2,R22 C26,R16,X1 1. BBIC Confirmation (Execute the command "getchk"). BBIC IC1,X1,C16 2. Confirm the returned checksum value. Confirmation Connection of checksum value and program number is shown below.
  • Page 46 Items Procedure* Check Adjustment Point 1. Apply 2.40V between TP3(+) and TP4(-). Battery low IC1,F1,R21 2. Confirm that there is no Speaker sound (Battery low alarm). Confirmation 3. Apply 2.20V between TP3(+) and TP4(-). 4. Confirm that there is Speaker sound (Battery low alarm). R4,C33,C12 C31,R17,R2 C10,C11,D6...
  • Page 47 Items Procedure* Check Adjustment Point (K) Frequency Offset Follow steps 1 to 4 of (I) above. IC1,IC3,C54 Confirmation 5. Confirm that the frequency offset is -50kHz ~ +50kHz. C66,C60,L3 C57,C55,C5 C62,R23,R2 C63,C64,C6 Sensitivity Follow steps 1 to 4 of (I) above. IC1,IC3,C54 Receiver 5.
  • Page 48 Items Procedure* Check Adjustment Point RSSI Level Follow steps 1 to 4 of (I) above. IC1,IC3,C54 Confirmation 5. Set DECT tester power to -88dBm. C66,C60,L3 6. Execute the command "readrssi" 7. Confirm that the returned value is 0x34 ± A (hex). C57,C55,C5 C62,R23,R2 C63,C64,C6...

  • Page 49: Adjustment Standard (Handset)

    Note: After the measuring, sock up the solder of TP. PC Setting () is required beforehand. The connection of adjustment equipment are as shown in Adjustment Standard (Handset) 15.2. Adjustment Standard (Handset) When connecting the Simulator Equipments for checking, please refer to below. Note: (A) - (P) is refered to ADJUSTMENTS (HANDSET)

  • Page 50: How To Check The Handset Speaker

    17. HOW TO CHECK THE HANDSET SPEAKER 1. Prepare the digital voltmeter, and set the selector knob to ohm meter. 2. Put the probes at the speaker terminals as shown below.

  • Page 51: Frequency Table (Mhz)

    18. FREQUENCY TABLE (MHz)
  • Page 52 BASE UNIT HANDSET Receive Frequency Channel No Transmit Frequency Transmit Frequency Receive Frequency 1897.344 1897.344 1897.344 1897.344 1895.616 1895.616 1895.616 1895.616 1893.888 1893.888 1893.888 1893.888 1892.160 1892.160 1892.160 1892.160 1890.432 1890.432 1890.432 1890.432 1888.704 1888.704 1888.704 1888.704 1886.976 1886.976 1886.976 1886.976 1885.248 1885.248...

  • Page 53: Power Supply Circuit

    - Detector - Compress/Expander - First/Second Mixer - Amplifier for transmission and reception - EEPROM: IC1 - Temporary operating parameters (for RF, etc.) - Additionally, - Power Supply Circuit (+4.0V, +2.65V output) - Crystal Circuit (10.368MHz) - Charge Circuit - Telephone Line Interface Circuit 20.2.

  • Page 54: Telephone Line Interface

    20.3. Telephone Line Interface <Function> - Bell signal detection - Clip signal detection - ON/OFF hook circuit - Audio circuits Bell & Clip (: Calling Line Identification Presentation: Caller ID) signal detection: In the standby mode, Q2 is open to cut the DC loop current and decrease the ring load. When ring voltage appears at the TP3 (A) and TP40 (B) leads (when the telephone rings), the signal is transferred as follows;...
  • Page 55 20.4. Transmitter/Receiver Base Unit and Handset mainly consist of RF Module and DECT BBIC. Base Unit and Handset transmit/receive voice signal and data signal through the antenna on carrier frequency. Signal Pass: *Refer to SIGNAL ROUTE 20.4.1. Transmitter Block The voice signal input from the TEL LINE interface goes to RF Module (IC3) through DECT BBIC (IC2) as shown in BLOCK DIAGRAM (BASE UNIT) The voice signal passes through the analog part of IC2 where it is amplified and converted to a...
  • Page 56 EEPROM, LCD) - RF Module: IC3 - PLL Oscillator - Detector - Compress/Expander - Amplifier for transmission and reception 22.2. Power Supply Circuit/Reset Circuit Circuit Operation: When power on the Handset, the voltage is as follows; BATTERY(2.2 V ~ 2.6V: TP3) TP14(4V) IC3(6, 27), D3 IC1(37)

  • Page 57: Circuit Operation (Charger Unit)

    Battery voltage: V(Batt) < 2.3V The BBIC detects this level and " " starts flashing and "battery alarm" starts ringing. - Power Down Battery voltage: V(Batt) < 2.2V The BBIC detects this level and power down. 23. CIRCUIT OPERATION (CHARGER UNIT) 23.1.

  • Page 58: Cpu Data (Base Unit)

    25. CPU DATA (BASE UNIT) 25.1. IC2 (BBIC)
  • Page 59 Description Hi-z Remarks PA_Driver_Amp PA_ON PA_OFF TX/RX SW RX_Data Data Data PLL_Strobe Latch Normal PLL_Data Active Active PLL_Clk Active Active TX_Data Active Active (NO USE) RF_System_Clk Active Active RESETQ Normal Reset VDDPM VSSO LOAD XTAL 10.368 MHz VDDLR VDDA VSSA Audio_Out_N Audio_Out_P Bandgap_Ref...

  • Page 60: Cpu Data (Handset)

    Description Hi-z Remarks VBACK (NO USE) (I_PD) (NO USE) (Fixed) (NO USE) (Fixed) (NO USE) (Fixed) (NO USE) (Fixed) (NO USE) (Fixed) KEY_IN No Key (NO USE) D.I/O (I_PD) (NO USE) D.I/O (I_PD) (NO USE) D.I/O (I_PD) (NO USE) D.I/O (I_PD) (NO USE) D.I/O...
  • Page 61 Description Hi-z Remarks LCD_SEGMENT Active LCD_COMMON Active LCD_COMMON Active LCD_COMMON Active LCD_COMMON Active LCD_COMMON Active LCD_COMMON Active PA_SW PA ON T/R SW Transmit RX_DATA Active SYEN Active SYDA Active SYCL Active TX_DATA Active KEY_IN No Key KEY_IN No Key KEY_IN No Key KEY_IN No Key...
  • Page 62 Description Hi-z Remarks MICN Reference Voltage RSSI P0.4 AD4N AD4P (NO USE) KEY_STRB Active KEY_STRB Active KEY_STRB Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active KEY_STRB Active KEY_STRB Active LCD_SEGMENT Active LCD_SEGMENT Active VDD for EEPROM I2DAT D.I/O Active I2CLK D.I/O Active MODE (NO USE)

  • Page 63: Eeprom Layout (Base Unit)

    LCD_SEGMENT Active Description Hi-z Remarks LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active 27. EEPROM LAYOUT (BASE UNIT) 27.1. Scope The purpose of this section is to describe the layout of the EEPROM (IC1) for the KX-TCD410 Base Unit.
  • Page 64 27.3. EEPROM Layout 27.3.1. General Setup Address Default Name Type Description Country Setting 0000-01 00 E0 EepromOscillator Frequency adjustment 0002 ModulationDeviation Modulation adjustment 0020 RFPI (ID for Base Unit) RFPI 0025-0026 00 00 AC (Base PIN code) AC code 0028 TBR22Test TBR22 test 0030-0034...
  • Page 65 Address Default Name Type Description Country Setting 09F1 Handset registration info - registration HsRegInfo.RegFlags 1=reg, 0=no reg 09F2 Handset registration info - EMC flags HsRegInfo.EmcFlags 6..7: not used 0..5: handset 1..6 info, 1=known , 0 unknown 09F3 RingMode Ring mode. Modes used in KAMMA4 and 21h.
  • Page 66 Address Default Name Type Description Country Setting 0F1C Detect CLIP detect configuration 0-2: Mode: 0: Learn mode, 1: DTMF only, 2: FSK only, 3: Generic mode, Russian CLIP only 3: Unused4 4: Onhook: 1=enable 0=disable 5: Offhookk: 1=enable 0=disable 6: Msgwaiting: 1=enable 0=disable 7: Unused7 0F37..38 3D 01...

  • Page 67: Eeprom Layout (Handset)

    Address Default Name Type Description Country Setting 0F4B Config1 BsUiTask configuration (MSB) Bits 1=enable 0=disable 0: AmPmClockSettingEnabled, enabled 1: ClipDetectionSettingEnabled, 2: AkzMenuEnabled, disabled 3: HakzMenuEnabled, disabled 4: RussianClipSttingEnabled, disabled 5: SmscSendNumberSettingEnabled, disabled 6: SMSPabxSupportSettingEnabled, disabled 7: Unused 0F4C Config2 BsUiTask configuration (LSB) Bits 1=enable 0=disable 0: FlashTime1Enabled, enabled 1: FlashTime2Enabled, enabled...

  • Page 68: Eeprom Contents

    The handset uses a 32k bit serial EEPROM (IC2) for storing volatile parameters. All parameters are set up before the handset the factory. Some of these are vital for the operation of the hardware so a set of default parameters is programmed before the actual hardware fine-tuning can be initiated.
  • Page 69 Address Default Name Type Description Country Setting 0100-0104 RFPI_1 (Base 1) RFPI for registration 1 0105 SerClass_1 Service class for registration 1 0106 LAL_1 Location area level for registration 0107 IPUI_LEN_1 IPUI length for registration 1 0108-0114 IPUI_1 IPUI for registration 1 0115 ZAP_1 ZAP for registration 1...
  • Page 70 Address Default Name Type Description Country Setting 0462 Language 00 = English 01 = Spanish 02 = French 03 = Italian 04 = Dutch 05 = Turkish 06 = Hungarian 07 = Portuguese 08 = Polish 09 = Command 0A = German 0467 FactoryLanguageSetting x Factory setting for language:...

  • Page 71: How To Replace Flat Package Ic

    Address Default Name Type Description Country Setting 0F36 GR-offset for Bit7: AOG volumestep 1 Bit6: AOG2 Bit5, bit0: Gain-receive (values ranging from 0x00 to 0x30, each step representing 1 dB) 0F37 GR-offset for Bit7: AOG volumestep 2 Bit6: AOG2 Bit5, bit0: Gain-receive (values ranging from 0x00 to 0x30, each step representing 1 dB) 0F38...
  • Page 72 29.2. Procedure 1. Tack the flat pack IC to the PCB by temporarily soldering two diagonally opposite pins in the correct positions on the PCB. Be certain each pin is located over the correct pad on the PCB. 2. Apply flux to all of the pins on the IC. 3.

  • Page 73: Cabinet And Electrical Parts Location

    30. CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
  • Page 75 31. CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 32. CABINET AND ELECTRICAL PARTS LOCATION (CHARGER UNIT)

  • Page 76: Accessories And Packing Materials

    33. ACCESSORIES AND PACKING MATERIALS...
  • Page 77 33.1. KX-TCD412NZM 33.2. KX-A142NZM...

  • Page 78: Terminal Guide Of The Ics, Transistors And Diodes

    34. TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES 34.1. Base Unit...

  • Page 79: Charger Unit

    34.2. Handset 34.3. Charger Unit 35. REPLACEMENT PARTS LIST 1. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is limited for this item. After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time.
  • Page 80 components, only use specified manufacture’s parts. 3. The S mark means the part is one of some identical parts. For that reason, it may be different from the installed part. 4. ISO code (Example: ABS-94HB) of the remarks column shows quality of the material and a flame resisting grade about plastics.
  • Page 81 Ref. No. Part No. Part Name & Description Remarks PCB1 PQWP1D410NZH MAIN P.C.BOARD ASS'Y (RTL) (ICS) PQWI1D410NZH IC (*1) C2HBAK000004 PQVILM1117MP (TRANSISTORS) 2SA1625 TRANSISTOR(SI) PQVTBF822T7 TRANSISTOR(SI) 2SD1994A TRANSISTOR(SI) B1ADGE000004 TRANSISTOR(SI) PQVTDTC143K TRANSISTOR(SI) (DIODES) PQVDS1ZB60F1 DIODE(SI) MA1Z300 DIODE(SI) B0JAME000085 DIODE(SI) MA2Z74800L DIODE(SI) B0DDCM000001 DIODE(SI)
  • Page 82 Ref. No. Part No. Part Name & Description Remarks ERJ1WYJ330 ERJ3GEY0R00 ERJ3GEYJ565 5.6M ERJ3GEYJ184 180K ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ390 ERJ3GEYJ390 ERJ3GEYJ151 PQ4R10XJ000 ERJ3GEYJ181 ERJ3GEYJ181 ERJ3GEYJ565 5.6M ERJ3GEYJ184 180K ERJ3GEY0R00 ERJ3GEY0R00 ERJ3GEY0R00 PQ4R10XJ000 ERJ3GEY0R00 (CAPACITORS) ECKD2H681KB 680P ECKD2H681KB 680P ECQE2223KF 0.022 ECQE2223KF 0.022 ECUV1C273KBV 0.027 PQCUV1C474KB 0.47...
  • Page 83 Ref. No. Part No. Part Name & Description Remarks ECUV1H330JCV ECUV1H103KBV 0.01 ECUV1H100DCV 10P ECUV1H060DCV 6P ECUV1H100DCV 10P ECUV1H100DCV 10P ECUV1H030CCV 3P ECUV1H2R0CCV 2 ECUV1H2R0CCV 2 ECUV1A475KB ECUV1H2R0CCV 2 ECUV1H2R0CCV 2 ECUV1H100DCV 10P ECUV1H103KBV 0.01 PQCUV1H020CC 2P ECUV1H060DCV 6P ECUV1H100DCV 10P (OTHERS) K0H1BB000018 SPECIAL SWITCH, TACTILE...
  • Page 84 (*2)When replacing IC2, data need to be written to it with PQZZTCD410NZ. Ref. No. Part No. Part Name & Description Remarks PCB100 PQWP1D410NZR MAIN P.C.BOARD ASS'Y (RTL) (for KX-TCD412NZM) PCB100 PQWP1D142NZR MAIN P.C.BOARD ASS'Y (RTL) (for KX-A142NZM) (ICs) C2HBAK000003 PQWI1D410NZR...
  • Page 85 Ref. No. Part No. Part Name & Description Remarks ECUV1H100DCV ECUV1H100DCV ECUV1H100DCV ECUV1H100DCV EEE1AA221P EEE1AA221P ECUV1H1R0CCV ECUV1H180JCV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1C104KBV ECUV1H100DCV ECUV1A225KB ECUV1H100DCV ECUV1H020CCV ECUV1H020CCV ECUV1H330JCV ECUV1A475KB ECUV1A105KBV ECUV1H100DCV ECUV1A105KBV ECUV1H020CCV ECUV1H020CCV (OTHERS) L0CBAB000052 MICROPHONE...

  • Page 86: Fixtures And Tools

    PQWPA142ESCH MAIN P.C.BOARD ASS'Y (RTL) B0JAME000085 DIODE(SI) (JACK) PQJJ1B4Y JACK (RESISTORS) ERJ1WYJ220 ERJ1WYJ270 35.4. Accessories and Packing Materials 35.4.1. KX-TCD412NZM Ref. No. Part No. Part Name & Description Remarks PQLV19ALZ AC ADAPTOR (for Base Unit) PQLV200ALZ AC ADAPTOR (for Charger Unit) PQJA87S...

  • Page 87: Circuit Board (Handset)

    35.6. Memo 36. SCHEMATIC DIAGRAM (BASE UNIT) 37. SCHEMATIC DIAGRAM (HANDSET) 38. SCHEMATIC DIAGRAM (CHARGER UNIT) 39. CIRCUIT BOARD (BASE UNIT) 39.1. Component View 39.2. Flow Solder Side View 40. CIRCUIT BOARD (HANDSET) 40.1. Component View 40.2. Flow Solder Side View 41.
  • Page 88 34 33 32 31 30 29 JMP4 JMP3 JMP1 A202 B C E 11 12 1314 15 16 17 LED1 Bell LED Q8 Collector Bell Bell (BBIC: 44) (2.65V) (BBIC: 27) (BBIC: 26) KX-TCD412NZM CIRCUIT BOARD (BASE UNIT) Component View...
  • Page 89 RF Clock CHARGE - (10.368MHz) CHARGE+ J102 J103 J104 J105 J101 TP84 TP82 TP187 CHARGE+ CHARGE TP97 TP50 TP45 TP188 TP91 TP89 TP40 TP39 TP90 TP101 Q9 Output Q9 Input (4V) (5.5V) KX-TCD412NZM CIRCUIT BOARD (BASE UNIT) Flow Solder Side View...
  • Page 90 TP12 TP14 RF Clock (BBIC: 27) (2.65V) (TP3) (4V) (BBIC: 23 10.368 MHz) TP16 TP12 TP13 TP17 TP14 TP19 TP18 TP10 TP2: SP+ TP1: SP- (BBIC: 41) (BBIC: 42) KX-A141NZM&142NZM CIRCUIT BOARD (HANDSET) Component View...
  • Page 91 TALK REDIAL BOOK LEFT DOWN RIGHT PROG POWER KX-A141NZM&142NZM CIRCUIT BOARD (HANDSET) Flow Solder Side View...
  • Page 92 CIRCUIT BOARD (CHARGER UNIT) Component View...
  • Page 93 CIRCUIT BOARD (CHARGER UNIT) Flow Solder Side View...
  • Page 94 Marked...
  • Page 95 J102 J103 J104 J105 J101 TP84 TP82 TP187 CHARGE+ CHARGE TP97 TP50 TP45 TP188 TP91 TP89 TP40 TP39 TP101 TP90 Marked...
  • Page 96 Marked...
  • Page 97 TALK REDIAL BOOK LEFT DOWN RIGHT PROG POWER Marked...
  • Page 98 Marked Marked (Component View) (Flow Solder Side View)
  • Page 99 Base PCB +2.7V MODE J101 J102 J103 SCLK J104 Clip...
  • Page 100 Microsoft Windows 2000 [Version 5.00.2195] (C) Copyright 1985-2000 Microsoft Corp. C: >cd dect C: DECT>SET RTX_COM=1 C: DECT>DOSKEY C: DECT>initbspin C: DECT>call wreeprom.bat 00 25 00 C: DECT>call wreeprom.bat 00 26 00 C: DECT>_...
  • Page 101 CHG terminal is properly fit in the cabinet. CHG terminal comes out of rib by pulling black lead wire when opening the cabinet and turning the PCB over. The terminal cannot have enough elastic force, cannot have good contact with handset, and it will result in charge problem.
  • Page 102 AF Volt Meter Tel Simulator DECT tester CMD60 (N) (O) (H) (I) (J) (K) (L) AF Generator JMP2 JMP6 JMP5 A201 JMP7 JMP8 RLY1 JMP4 JMP3 JMP1 A202 B C E LED1...
  • Page 103 Digital Volt Meter (D) (E) (F) (G) 12Ω/2W (H) (N) (O) Digital Digital To PC (JIG) Volt Meter Volt Meter J105 J101 TP84 TP82 TP187 CHARGE+ CHARGE TP97 TP50 TP45 TP188 TP91 Frequency Counter TP89 TP40 TP39 To DECT tester TP101 TP90 DTMF...
  • Page 104 12Ω/2W Digital Volt Meter...
  • Page 105 (F) (G) 2.20V ~ 2.40V TP16 TP12 TP13 TP17 TP14 TP19 AF SG DECT TESTER CMD60 TP18 TP10 Digital DECT tester Volt Meter CMD60 AF Volt Meter Oscilloscope DECT TESTER CMD60 Digital (I) (J) (K) (L) (M) Volt Meter (N) (O) (P) Frequency (D) (E) Current...
  • Page 106 ADPCM RSSI Front End Codec Filter SYRI Interface SYEN HOOK RF Module DTXAF Bell/Caller ID DTXAF Interface Limit CHARGE XTAL Register CONTACT 10.368 BBIC VUNREG 4.0V to AC Adaptor Reg. EEPROM 4.0V 2.65V Reg. 2.65V KX-TCD412NZM BLOCK DIAGRAM (BASE UNIT)
  • Page 107 Speech Burst RXDA Decoding Decoding EARPIECE TXDA Speech Burst Encoding Encoding Module RSSI ADPCM SYRI Codec Interface Analog SYEN Filter Front XTAL CHARGE CHARGE CHARGE 10.368 CONTACTS CIRCUIT CHARGE DETECT ON SWITCH EEPROM VDDBAT 53~55, 59, 60 BATTERY SWITCHED ROWS TERMINAL SUPPLY SWITCH...
  • Page 108 +60V DC ON-HOOK +10V DC OFF-HOOK LINE VOL TAGE 60V DC N.M. OV ON-HOOK TP39 N.M. +0.7V DC OFF-HOOK JMP1 TP45 N.M. 680p/500V 100K 2.7K TP40 JMP2 N.M. 2.2K JMP3 680p/500V JMP8 JMP5 N.M. +2.65V N.M. N.M. N.M. JMP4 N.M. OPTION4 RLY1 K0.022...
  • Page 109 45:VBACK/P1.5 SYEN (13) 44 R1 46:VSS(DSPCLK) RXDA 8 SYCL 47:P1.4(TONE) RXDSG 9 SYDA RXDA DRON 10 SYEN 48 VDD RX-DATA 4.7u (14) (15) +2.65V 10.368MHZ burst 428 s 406 s peak +3.1V : No Components KX-TCD412NZM SCHEMATIC DIAGRAM (BASE UNIT)
  • Page 110 45:VBACK/P1.5 SYEN (13) 44 R1 46:VSS(DSPCLK) RXDA 8 SYCL 47:P1.4(TONE) RXDSG 9 SYDA RXDA DRON 10 SYEN 48 VDD RX-DATA 4.7u (14) (15) +2.65V 10.368MHZ burst 428 s 406 s peak +3.1V : No Components KX-TCD412NZM SCHEMATIC DIAGRAM (BASE UNIT)
  • Page 111 Frequency 324KHz 4.3V 4.1V DC TP14 47uH 2.4V BATTERY+ BATTERY- 3.3K 2.65V 10uH CHARGE+ CHARGE- 10uH ’BATT’ K0.1 TP12 ’SDA’ K0.1 ’SCL’ ’VBACK’ TP18 ’GND’ TP10 PL.13 81 PL.13 P0.5(AD4N) PL.14 51:P0.6(AD4P) 82 PL.14 P0.4(ADBAT) PL.15 83 PL.15 ADRSSI PL.16 84 PL.16 ADREF 2.65V...
  • Page 112 TP11 K0.1 R5 330 C4 K0.1 R7 330 R1 2.2K K0.1 K0.1 (24) K0.1 R17 0 K0.1 1 SP+ 2 SP- R20 0 TP16 TP17 (25) (26) ’POWER’ (27) (28) (29) A201 TP15 R24 0 VCC_PA (30) TXDA 5 RSSI PAON R18 33 6 VCC_OC...
  • Page 113 TP11 K0.1 R5 330 C4 K0.1 R7 330 R1 2.2K K0.1 K0.1 (24) K0.1 R17 0 K0.1 1 SP+ 2 SP- R20 0 TP16 TP17 (25) (26) ’POWER’ (27) (28) (29) A201 TP15 R24 0 VCC_PA (30) TXDA 5 RSSI PAON R18 33 6 VCC_OC...
  • Page 114 DC_PLUG Charge_plus Charge_minus pinL SCHEMATIC DIAGRAM (CHARGER UNIT)

This manual is also suitable for:

Kx-a141nzmKx-a142nzm

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