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Panasonic KX-TCD400HGB Service Manual
Panasonic KX-TCD400HGB Service Manual

Panasonic KX-TCD400HGB Service Manual

Black/dark blue version for hungary

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ORDER NO. KM40306101C2
Telephone Equipment
KX-TCD400HGB / KX-TCD400HGC / KX-A140EXB / KX-
A140EXC
Digital Cordless Phone
Black Version
Dark Blue Version
(for Hungary)
SPECIFICATIONS
2003 Panasonic Communications Co., Ltd. All rights reserved.
1

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Summary of Contents for Panasonic KX-TCD400HGB

  • Page 1 ORDER NO. KM40306101C2 Telephone Equipment KX-TCD400HGB / KX-TCD400HGC / KX-A140EXB / KX- A140EXC Digital Cordless Phone Black Version Dark Blue Version (for Hungary) SPECIFICATIONS 2003 Panasonic Communications Co., Ltd. All rights reserved.
  • Page 2 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. We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn), Silver (Ag), and Copper (Cu).
  • Page 3 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 manufac turer’s specific instructions for the melting points of their products and any precautions for using their product with other materials.
  • Page 4 (Component View) (Flow Solder Side View) Note: The location of the “PbF“ mark is subject to change without notice. 2. FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1.
  • Page 5 4.2. Battery Charge At the time of shipment, the batteries are not charged. To charge, place the handset on the base unit. Please charge the batteries for about 7 hours before initial use. During charging, the battery icon is as shown below. The handset which power is off will be turned on automatically when it is placed on the base unit.
  • Page 6 - 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...
  • Page 7 5.1. Base Unit 5.2. Handset 6. SETTINGS 6.1. Connection Plug in the AC adaptor and the telephone line cord in order 1, 2, 3, 4.
  • Page 8 The AC adaptor must remain connected at all times (It is normal for the adaptor to feel warm during use). - Never install telephone wiring during a lightning storm. 6.2. Symbols Used in This Service Manual 6.3. PIN Code 6.3.1. Base Unit...
  • Page 9 - To exit the operation, press any time. For Service Hint: * : If the current 4-digit PIN is forgotten, press and you will be able to enter new PIN. 6.3.2. Handset - To exit the operation, press any time. For Service Hint: * : If the current 4-digit PIN is forgotten, press and you will...
  • Page 10 6.3.3. Reset Base Unit PIN to Default (0000) -When There is NO Handset Registered- 6.3.3.1. Symptom There is no way to reset base PIN when there is no handset registered to the base. 6.3.3.2. Thinkable Situation - Customer may ask to reset base PIN because they forget it. - Customer may bring only a base unit for repair and there is no handset registered to the base.
  • Page 11 - To exit the operation, press any time. - *1: The factory preset is 0000. Base Unit Initial Settings Function Initial Setting Remarks (selectable options) Flash Timing 100 msec 600/100 msec Pause Timing 3 seconds 3 seconds/5 seconds 4-Digit Base Unit PIN 0000 Dialling Mode Tone...
  • Page 12 Function Initial Setting Remarks (selectable options) Time Alarm Mode OFF/ON Alarm Time Clear OFF/Once/Daily Handset Ringer Volume Handset External Ringer Pattern 20 patterns Handset Alarm Tone Pattern 20 patterns Key Tone ON/OFF Range Warning Alarm OFF/ON Battery Low Alarm ON/OFF Talk Mode Display Length of the Call Talk Time/Phone No.
  • Page 13 6.7. Dialling Pause for PBX line/long distance service users A dialling pause is used when a pause in the dialling of the phone number is necessary using a PBX or accessing a long distance service. For example, when 9 (line access number) is dialled followed by a pause to access an outside line through a PBX: - Entering a pause prevents misdialling when you redial or dial a stored number.
  • Page 14 Display ()). 6.9. Selecting the Display Language - 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...
  • Page 15 You can change the duration of the flash timing depending on the requirements of your network provider or PBX. - To exit the operation, press any time. - *1: The factory preset is 0000. For Service Hint: Refer to Flash Time setting 6.12.
  • Page 16 *2 Refer to PIN Code () for more details. 7. DISPLAY 7.1. Handset Display 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. If the known working telephone still has problems, then please contact the customer service department of your Network provider.
  • Page 17 Cross Reference: Power On/Off Call BAR On/Off (Call Prohibition On/Off) Key Lock 8. OPERATIONS 8.1. Power On/Off *1 When button is released, the display changes to the standby mode. *2 The display goes blank. 8.2. Making a Call...
  • Page 18 *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. *1 You can also answer a call by pressing any dialling button, HOLD, , or 8.4.
  • Page 19 8.5.1. Storing a Caller Information - To exit the operation, press any time. *1 If you need correction, press RIGHT or LEFT to move cursor then clear a character by pressing CLEAR, and/or enter characters. Characters are cleared or added to the left of the flashing character.
  • Page 20 - To exit the operation, press any time. *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 21 - To exit the operation, press any time. *1 If you need correction, press CLEAR. Digit is cleared to the left, then enter numbers. 8.5.3. Storing the Number from the Redial List into the Phonebook - To exit the operation, press any time.
  • Page 22 - To exit the operation, press any time. *1 If there is no item stored in the phonebook, the display shows *2 The number is flashing if the dialling button is already assigned as a hot key. *3 Phonebook registration will be remained even hot key registration is cleared. 9.
  • Page 23 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...
  • Page 24 Shown in Fig.- To Remove Remove Rear Cabinet Screws (2 × 10)..(B) × 2 Rear Cabinet Follow the procedure. Main P.C. Board Screw (2 × 8)....(C) × 1 Screws (2 × 8).....(D) × 2 Main P.C. Board 10. ASSEMBLY INSTRUCTIONS 10.1.
  • Page 25 PCB AND REMEDY FOR “LOST LINK” 11.1. Preparation First of all, you need to enable the menu for Registration in Handset and Base unit. 11.1.1. Enabling Multi Handset Menu in Handset To register new Handset to KX-TCD400 Base Unit, you need to change a parameter in EEPROM on Handset.
  • Page 26 You need to register one Handset for operation. 11.1.2. Registration Handset in Base Unit <STEP> 1. Press [Menu] - [Down] - [Right] - [Up] 3 times - [Right]. Then "REGISTER HS" is displayed. 2. Press [Right] and then select a Base number (i.e. “Base 1”). Connect A and B for 10 seconds over to go to a registration mode.
  • Page 27 handset again properly. To cancel Handset registered to KX-TCD400 Base Unit, you need to change a parameter in EEPROM on Base Unit. This parameter enables Programming Menu to cancel Handset in Base Unit Programming. <STEP> 1. Press [Menu] - [Down] 2 times - [Right] - [5]. Then "5 _ _ _ _"...
  • Page 28 3. Press all Handset numbers (i.e. [1] and [2]). Then all numbers (i.e. “1” and “2”) flash. 4. Press [Right]. Then Handset sound long beep and Base Unit start to cancel all registered Handsets (i.e. Handset 1 and 2). 5. "SETTING BS" is displayed and antenna icon on all Handsets flashes.
  • Page 29 displayed. Then programming menu for multi Handset is disabled. 11.3.2. Disabling menu to Cancel Handset in Setting Base Unit <STEP> 1. Press [Menu] - [Down] 2 times - [Right] - [5]. Then "5 _ _ _ _" is displayed and INT icon is turned steady on.
  • Page 30 Cross Reference: Check Power Bell Reception Check Battery Charge Check Link Check Handset Transmission Check Handset Reception SIGNAL ROUTE 12.1. Check Power 12.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.) Cross Reference...
  • Page 31 Power Supply Circuit Note: BBIC is IC2. 12.1.2. Handset Cross Reference Power Supply Circuit/Reset Circuit Note: BBIC is IC1. 12.2. Check Battery Charge 12.2.1. Base Unit Cross Reference: Charge Circuit 12.2.2. Handset Cross Reference: Check Power Charge Circuit...
  • Page 32 Note: BBIC is IC1. 12.3. Check Link 12.3.1. Base Unit Cross Reference: Power Supply Circuit Adjustment 12.3.2. Handset...
  • Page 33 Cross Reference Power Supply Circuit Adjustment 12.4. Check Handset Transmission Cross Reference: SIGNAL ROUTE 12.5. Check Handset Reception Cross Reference: HOW TO CHECK THE HANDSET SPEAKER SIGNAL ROUTE 12.6. Bell Reception...
  • Page 34 12.6.1. Base Unit Note: BBIC is IC2. 12.6.2. Handset Cross Reference: Telephone Line Interface Check Link Note: BBIC is IC1. 13. CHECK PROCEDURE (BASE UNIT) 13.1. Preparation 13.1.1. Equipment Required - DECT tester: Rohde & Schwarz, CMD 60 is recommended. - Frequency counter: it must be precise to be able to measure 1Hz (precision;...
  • Page 35 - EEPROM serial JIGs 1. I2C PCB: PQZZTCD705BX 2. RS232C cable: PQZZ1CD705BX 3. Clip cable: PQZZ2CD705BX 4. DC cable: PQZZ3CD705BX - PC which runs in DOS mode - Batch file for setting: PQZZTCD410E 13.2. PC Setting 13.2.1. Connections 13.2.2. PC Setting 1.
  • Page 36 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...
  • Page 37 14.2.1. Connections 14.2.2. 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 RTX_COM=1” from the keyboard (when COM port 1 is used for the connection). 4.
  • Page 38 Symptom Remedy The base unit does not respond to a call from handset. Make adjustments in item (I)~(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 39 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 40 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 -5.0dBm ~ -9.0dBm. 4. Execute the command "dtmf_lo". R23,C80,C1 5.
  • Page 41 Items Procedure* Check Adjustment Point Modulatoin Follow steps 1 to 3 of (H) above. IC2,IC3,L1 Check and 4. Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/ Adjustment C43,C78,C7 div using data type Fig31. 5. Adjust the B-Field Modulation if required. (Execute the C69,C48,C7 command "readmod"...
  • Page 42 Items Procedure* Check Adjustment Point Sensitivity Follow steps 1 to 3 of (H) above. IC2,IC3,L1 Receiver 4. Set DECT tester power to -88dBm. Confirmation C43,C78,C7 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 43 Items Procedure* Check Adjustment Point RSSI Level Follow steps 1 to 3 of (H) above. IC2,IC3,L1 Confirmation 4. Set DECT tester power to -88dBm. C43,C78,C7 5. Execute the command "readrssi". 6. Confirm: 29 < returned value < 3E (hex) C69,C48,C7 C66,C67,C7 C57,C73,L3 DA1,R66,R6...
  • Page 44 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 45 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 46 15.2. Adjustment Standard (Base Unit) When connecting the Simulator Equipments for checking, please refer to below. 15.2.1. Component View Note: (H) - (O) is refered to ADJUSTMENTS (BASE UNIT) 15.2.2. Flow Solder Side View Note: (A) - (P) is refered to ADJUSTMENTS (BASE UNIT) 16.
  • Page 47 Items Procedure* Check Adjustment Point 1. Confirm that the consumption current is < 200mA , that is, there is no short circuit. 4.0V Supply IC1,F1,R21 2. Confirm that the voltage between TP14 and GND is 4.1V ± 0.2V. Confirmation R4,C33,L2 D1,C15,C2 C14,Q1,R3 R2,D2,R22...
  • Page 48 Items Procedure* Check Adjustment Point 1. Apply 6V between TP5(+) and TP6(-) with current limit of PSU to 200mA. (D) Charge Control IC1,D4,L4, 2. Confirm that the charge current is ON/OFF. Check & Charge L5,Q2,Q3, 3. SW to decrease current limit of PSU to 100mA. Current Monitor 4.
  • Page 49 Items Procedure* Check Adjustment Point (I)* Transmitted TP15 Remove the Antenna before starting step from 1 to 5. IC1,IC3,C54 1. Configure the DECT tester(CMD60) as follows; Power <Setting> Confirmation C66,C60,L3 -Test mode: PP -RFPI: 0102030405 C57,C55,C5 -Traffic Channel: 5 -Traffic Slot: 4 -Mode: Loopback C62,R23,R2 2.
  • Page 50 Items Procedure* Check Adjustment Point Sensitivity Follow steps 1 to 4 of (I) above. IC1,IC3,C54 Receiver 5. Set DECT tester power to -88dBm. Confirmation C66,C60,L3 6. Confirm that the BER is < 1000ppm. C57,C55,C5 C62,R23,R2 C63,C64,C6 Timing Follow steps 1 to 4 of (I) above. IC1,IC3,C54 Confirmation 5.
  • Page 51 Items Procedure* Check Adjustment Point 1. Configure the DECT tester (CMD60) as follows; Receive Audio TP15 IC1,C12,C3 <Setting> Check and Confirmation -Test mode: PP R17,R20,C1 -Mode: Nomal -RFPI: 0102030405 2. Execute the command "testmode". C11,D7,D6 3. Execute the command "regcmd60" 4.
  • Page 52 Note: (A) - (P) is refered to ADJUSTMENTS (HANDSET) 17. RF SPECIFICATION 17.1. Base Unit Item Value Refer to -. * Remarks TX Power More than 20 dBm ~ 25 Adjustment Modulation 340 kHz/div ~ 402 kHz/ Data type: Fig31 Adjustment Frequency Offset -40 kHz ~ +40 kHz...
  • Page 53 19. FREQUENCY TABLE (MHz)
  • Page 54 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 55 - 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 21.2.
  • Page 56 21.3. Telephone Line Interface <Function> - Bell signal detection - ON/OFF hook circuit - Audio circuits Bell 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 57 21.4. 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 21.4.1. 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 58 Handset consists of the following ICs as shown in BLOCK DIAGRAM (HANDSET) - 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 Module: IC3 - PLL Oscillator - Detector...
  • Page 59 The BBIC detects this level and power down. 24. SIGNAL ROUTE 25. CPU DATA (BASE UNIT) 25.1. IC2 (BBIC)
  • Page 60 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 61 Description Hi-z Remarks (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) PULSE_CTRL D.I/O Q7_ON Q7_OFF (NO USE) D.I/O (I_PD) (NO USE) D.I/O (I_PD) (NO USE) D.I/O (I_PD)
  • Page 62 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 63 MICP...
  • Page 64 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 65 Description Hi-z Remarks Power Select Low Power 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 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-TCD400 Base Unit.
  • Page 66 Country Default - no specific country setting, so revert to default value Setting 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 00 00...
  • Page 67 Address Default Name Type Description Country Setting 0F0B CalibBreakTime[0] Calibrated loop-break time for short break Unit: 10 ms, defaultst to 80 ms 0F0C CalibBreakTime[1] Calibrated loop-break time for short break Unit: 10 ms, defaultst to 200 ms 0F0D CalibBreakTime[2] Calibrated loop-break time for short break Unit: 10 ms, defaultst to 700 ms 27.3.4.
  • Page 68 Address Default Name Type Description Country Setting 0F4C Config2 BsUiTask configuration (LSB) Bits 1=enable 0=disable 0: FlashTime1Enabled, enabled 1: FlashTime2Enabled, enabled 2: FlashTime3Enabled, enabled 3: KeyClicksEnable, disabled 4: ARSCarrierMenuEnabled, enabled 5: ARSIntDeletionMenuEnabled, 6: ARSMultipleCarrierMenuEnabled, enabled 7: ARSMultipleAreaCodeMenuEnabled, enabled 0F4E Config2 BsUiTask configuration 2 Bits 1=enable 0=disable 0: RingerModeMenuEnabled, enabled...
  • Page 69 Type Name Description default The EEPROM location is preset to the Default value by the eeprom default loader. The EEPROM location is set during the production test and should not be adjust overwritten. The value is set by the eeprom default loader only if the location contains 0xFF, i, e.
  • Page 70 Address Default Name Type Description Country Setting 0467 Factory Language Factory setting for language: Setting 00 = English 01 = Spanish 02 = French 03 = Italian 04 = Dutch 05 = Turkish 06 = Hungarian 07 = Portuguese 08 = Polish 09 = Command 0A = German 28.3.3.
  • Page 71 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 experience could overheat and damage the PCB foil. - Flux Recommended Flux: Specific Gravity 0.82. Type RMA (lower residue, non-cleaning type) Note: See ABOUT LEAD FREE SOLDER (PbF: Pb free) 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.
  • Page 73 1. Add a small amount of solder to the bridged pins. 2. With a hot iron, use a sweeping motion along the flat part of the pin to draw the solder from between the adjacent pads. 30. CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
  • Page 75 31. CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 32. ACCESSORIES AND PACKING MATERIALS...
  • Page 76 33. TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES 33.1. Base Unit 33.2. Handset...
  • Page 77 34. 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. The retention period of availability is dependant on the type of assembly, and in accordance with the laws governing part and product retention.
  • Page 78 Part Name & Description Remarks PQGG10154Z3 GRILLE (for KX-TCD400HGB) ABS-HB PQGG10154Z2 GRILLE (for KX-TCD400HGC) ABS-HB PQKM10586Y2 CABINET BODY ABS-HB PQGT16064Z NAME PLATE (for KX-TCD400HGB) PQGT15651Z NAME PLATE (for KX-TCD400HGC) PQJT10203Z TERMINAL PQKE10356Z1 GUIDE, CHARGE TERMINAL CASE POM-HB PQSA10131Z ANTENNA, MAIN PQSA10132Z ANTENNA, SUB...
  • Page 79 Ref. No. Part No. Part Name & Description Remarks PQLQR2M33NK COIL (JACKS) PQJJ1TB26Z JACK, MODULATOR PQJJ1B4Y JACK, DC (RESISTORS) ERJ3GEYJ155 1.5M ERJ3GEYJ155 1.5M ERJ3GEYJ224 220K ERJ3GEYJ184 180K ERJ3GEYJ224 220K ERJ3GEYJ184 180K ERJ3GEYJ104 100K ERJ3GEYJ272 2.7K ERJ3GEYJ103 ERJ3GEYJ222 2.2K PQ4R18XJ000 ERJ3GEYJ133 ERJ3GEYJ392 3.9K ERJ12YJ220...
  • Page 80 Ref. No. Part No. Part Name & Description Remarks ERJ3GEY0R00 (CAPACITORS) ECKD2H681KB 680P ECKD2H681KB 680P ECQE2223KF 0.022 ECQE2223KF 0.022 ECUV2H332KB 0.0033 ECUV1H472KBV 0.0047 PQCUV1C474KB 0.47 PQCUV1A105KB 1 PQCUV1C224KB 0.22 ECEA1HKS100 ECUV1H100DCV ECUV1H100DCV ECUV1C104KBV ECUV1H100DCV PQCUV1C224KB 0.22 ECUV1C104KBV ECUV1C104KBV ECEA1CKS100 ECUV1C104KBV ECUV1C104KBV ECUV1C683KBV 0.068...
  • Page 81 PQKM10587Z2 CABINET BODY (for KX-TCD400HGC) ABS-HB PQHS10553Z TAPE, DOUBLE SIDE PQHS10554Z SPACER, LCD PQBC10375Z1 PUSH BUTTON, NAVI PQSX10224R KEYBOARD SWITCH, 20KEY (for KX-TCD400HGB) PQSX10224S KEYBOARD SWITCH, 20KEY (for KX-TCD400HGC) PQHS10467Z COVER, SP NET L0AD02A00016 SPEAKER PQSA10133Z ANTENNA PQJT10204Z TERMINAL (L)
  • Page 82 Ref. No. Part No. Part Name & Description Remarks PCB100 PQWP1D400HGR MAIN P.C.BOARD ASS'Y (RTL) (ICs) C2HBAK000005 PQWI1D400HGR IC (TRANSISTORS) PQVTFDN335N TRANSISTOR(SI) B1ADGE000004 TRANSISTOR(SI) UN5216 TRANSISTOR(SI) (DIODES) B0JCME000035 DIODE(SI) MA2Z74800L DIODE(SI) MAZ83900ML DIODE(SI) MA2Z74800L DIODE(SI) MA2Z74800L DIODE(SI) (COILS) G1A470L00001 COIL PQLQR4D4R7K COIL G1C100MA0072...
  • Page 83 Ref. No. Part No. Part Name & Description Remarks ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1C104KBV 0.1 ECUV1H100DCV 10P ECUV1A225KB ECUV1H100DCV 10P ECUV1H020CCV 2P ECUV1H020CCV 2P ECUV1H330JCV 33P ECUV1A475KB ECUV1A105KBV 1 ECUV1H100DCV 10P...
  • Page 84 34.5. Memo 35. SCHEMATIC DIAGRAM (BASE UNIT) 36. SCHEMATIC DIAGRAM (HANDSET) 36.1. Memo 37. CIRCUIT BOARD (BASE UNIT) 37.1. Component View 37.2. Flow Solder Side View 38. CIRCUIT BOARD (HANDSET) 38.1. Component View 38.2. Flow Solder Side View M / KXTCD400HGB / KXTCD400HGC / KXA140EXB / KXA140EXC...

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