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Panasonic KX-TCD450 Series Service Manual

Metalic gray version, titanium black version
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Telephone Equipment
KX-TCD450RUM
KX-A145RUM
KX-TCD450RUT
KX-A145RUT
Digital Cordless Phone
Metalic Gray Version
Titanium Black Version
(for Russia)
© 2003 Panasonic Communications Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. KM40307133C3
Unauthorized
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Summary of Contents for Panasonic KX-TCD450 Series

  • Page 1 ORDER NO. KM40307133C3 Telephone Equipment KX-TCD450RUM KX-A145RUM KX-TCD450RUT KX-A145RUT Digital Cordless Phone Metalic Gray Version Titanium Black Version (for Russia) © 2003 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT CONTENTS Page Page 1 ABOUT LEAD FREE SOLDER (PbF: Pb free) 9.2. Handset 1.1. Suggested PbF Solder 9.3. Charger Unit 1.2. How to recognize that Pb Free solder is used 10 ASSEMBLY INSTRUCTIONS 2 FOR SERVICE TECHNICIANS 10.1.
  • Page 3 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 22.1. Outline 33.1. KX-TCD450RUM/RUT 22.2. Power Supply Circuit/Reset Circuit 33.2. KX-A145RUM/RUT 22.3. Charge Circuit 34 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES 22.4. Battery Low/Power Down Detector 22.5. Speakerphone and Headset Jack 34.1.

  • Page 4: About Lead Free Solder (Pbf: Pb Free)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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 5: How To Recognize That Pb Free Solder Is Used

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 1.2. How to recognize that Pb Free solder is used 1.2.1. Base Unit PCB Marked (Component View) J101 J103 J104 J102 J105 TP82 TP187 CHARGE CHARGE TP84 TP85 TP97 TP50 TP45 TP188 TP91 TP89 TP40 TP39...
  • Page 6 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 1.2.2. Handset PCB Marked IC10 (Component View) LED17 TALK LED3 LED13 BOOK LED14 PHONE LEFT LED2 REDIAL DOWN LED12 LED11 RIGHT LED1 PROG CANCEL POWER Marked (Flow Solder Side View) Note: The location of the “PbF“ mark is subject to change without notice. 1.2.3.

  • Page 7: For Service Technicians

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 2 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1. Cover the plastic parts boxes with aluminum foil. 2. Ground the soldering irons. 3.

  • Page 8: Battery

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 4 BATTERY 4.1. Battery Installation Please ensure the batteries are inserted as shown. part should be inserted first. Close the cover as indicated by the arrow. · When you replace the batteries, part should be removed first. 4.2.

  • Page 9: Battery Life

    · 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 HHR-4EPT(Ni-MH) or P-4NPT(Ni-Cd) batteries.

  • Page 10: Location Of Controls

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 5 LOCATION OF CONTROLS 5.1. Base Unit 5.2. Handset...

  • Page 11: Settings

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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. The AC adaptor must remain connected at all times (It is normal for the adaptor to feel warm during use). ·...

  • Page 12: Pin Code

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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 and you will be able to enter new PIN. 6.3.2.
  • Page 13 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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.

  • Page 14: Reset

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 6.4. Reset 6.4.1. Base Unit · To exit the operation, press any time. · *1: The factory preset is 0000. Base Unit Initial Settings Function Initial Setting Remarks (selectable options) Ringer Mode All Handsets All Handsets/Specific Handset No.

  • Page 15: Key Lock

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Handset Initial Settings 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 Internal Ringer Pattern 20 patterns Handset Paging Tone Pattern 20 patterns Handset Alarm Tone Pattern 20 patterns...

  • Page 16: Call Restriction

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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 17: Selecting The Display Language

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 6.11. Selecting the Display Language · To exit the operation, press any time. · *1 You can select one of 24 languages. If you set a language you cannot read, reset the handset to its initial settings. Press MENU →...

  • Page 18: Automatic Route Selection

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 6.14. Automatic Route Selection 6.14.1. Relate the Area Code(s) to the Carrier Code(s) After storing carrier code(s) and area code(s), you must relate the stored area code(s) to your chosen lower costing carrier code.

  • Page 19: Summary Of Programmable Functions

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 6.15. Summary of Programmable Functions You can select and execute the following functions by pressing direct command as follows without programming. These operations need to be done with the Handset near the base unit. Press .

  • Page 20: Display

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 7 DISPLAY 7.1. Handset Display...

  • Page 21: Before Requesting Help (Troubleshooting)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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 22: Operations

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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 *1 If you need to make a correction, press CLEAR. The digit is cleared to the left, then you can enter numbers. All digits are cleared if you press and hold CLEAR.

  • Page 23: Phonebook

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 8.5. Phonebook You can store information from up to 200 callers in the phonebook. If you subscribe to caller ID and you receive a call from the same phone number you stored with a name in the phonebook, the display will show the caller’s name. Private Category Feature You can categorise caller information in the phonebook.
  • Page 24 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT · To enter two characters located on the same dialling button, enter the first character and then press RIGHT to move the cursor on one space to enter the next character.
  • Page 25 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 8.5.2. Finding Items in the Phonebook All phonebook items are stored in the following order: Alphabet Letter/Symbol/Number/Telephone number (when a name is not stored). *1 Display order of characters...
  • Page 26 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 8.5.3. Phonebook Character Table...
  • Page 27 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT · To exit the operation, press any time. *1 If there is no item stored in the phonebook, the display shows *2 Characters are cleared to the left of the flashing character. *3 Characters are added to the left of the flashing character. If you need to clear or add more than one character, repeat the steps from 4.
  • Page 28 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 8.5.4. Storing the Phone Number (Pre-dialling/Redial List/Caller ID List) · To exit the operation, press any time. *1 If you need correction, press CLEAR. The digit is cleared to the left, then enter numbers. *2 If there is no item stored in the redial/caller ID list, the display shows *3 If you need to make a correction, press RIGHT or LEFT to move cursor then clear a character by pressing CLEAR, and/or enter characters.
  • Page 29 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 8.5.5. Hot Key (: Speed Dial) You can assign the dialling buttons 1 through 9 as hot keys. You can choose 9 phone numbers from the phonebook. · To exit the operation, press any time.
  • Page 30 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 8.5.6. Phonebook Copy You can copy phonebook information between handsets registered to the same base unit. The aphonebook copy must be performed while in intercom mode. · To cancel copying at any time, press CLEAR to return to the intercom call or press to return to the standby mode.

  • Page 31: Disassembly Instructions

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 9 DISASSEMBLY INSTRUCTIONS 9.1. Base Unit Shown in Fig.- To Remove Remove Lower Cabinet Screws (2.6 × 12)..(A) × 2 Main P.C. Board Main P.C. Board...

  • Page 32: Handset

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 9.2. Handset 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.

  • Page 33: Charger Unit

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 9.3. Charger Unit Shown in Fig.- To Remove Remove Lower Cabinet Screws (2.6 × 14)..(E) × 2 Main P.C. Board Main P.C. Board...

  • Page 34: Assembly Instructions

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 10 ASSEMBLY INSTRUCTIONS 10.1. Warning When Constructing the Base Unit 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.

  • Page 35: Troubleshooting Guide

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11 TROUBLESHOOTING GUIDE Flow Chart Cross Reference: Check Power (P.36) Bell Reception (P.41) Check Battery Charge (P.37) Check Link (P.38) Check Handset Transmission (P.40) Check Handset Reception (P.40) SIGNAL ROUTE (P.64)

  • Page 36: Check Power

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11.1. Check Power 11.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.) Cross Reference Note: Power Supply Circuit (P.59) BBIC is IC2. 11.1.2. Handset Cross Reference Note: Power Supply Circuit/Reset Circuit (P.62) BBIC is IC1.

  • Page 37: Check Battery Charge

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11.2. Check Battery Charge 11.2.1. Base Unit Cross Reference: Charge Circuit (P.62) 11.2.2. Handset Cross Reference: Note: Check Power (P.36) BBIC is IC1. Charge Circuit (P.62) 11.2.3. Charger Unit Cross Reference: Power Supply Circuit (P.63)

  • Page 38: Check Link

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11.3. Check Link 11.3.1. Base Unit Cross Reference: Power Supply Circuit (P.59) Adjustment (Base Unit) (P.44)
  • Page 39 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11.3.2. Handset Cross Reference Power Supply Circuit (P.59) Adjustment (P.51)

  • Page 40: Check Handset Transmission

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11.4. Check Handset Transmission Cross Reference: SIGNAL ROUTE (P.64) 11.5. Check Handset Reception Cross Reference: HOW TO CHECK THE HANDSET SPEAKER (P.55). SIGNAL ROUTE (P.64) 11.6. Check Caller ID Cross Reference: SIGNAL ROUTE (P.64)

  • Page 41: Bell Reception

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 11.7. Bell Reception 11.7.1. Base Unit Note: BBIC is IC2. 11.7.2. Handset Cross Reference: Note: Telephone Line Interface (P.60) BBIC is IC1. Check Link (P.38)

  • Page 42: Check Procedure (Base Unit)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 12 CHECK PROCEDURE (BASE UNIT) 12.1. Preparation 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.

  • Page 43: Check Procedure (Handset)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 13 CHECK PROCEDURE (HANDSET) 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; ±4ppm). Hewlett Packard, 53131A is recommended.

  • Page 44: Adjustments (Base Unit And Charger Unit)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 14 ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) If your unit have below symptoms, adjust or confirm each item using remedy column from the table. Symptom Remedy* The base unit does not respond to a call from handset. Make adjustments in item (A)~(F), (I)~(M) The base unit does not transmit or the transmit frequency is off.
  • Page 45 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Items Adjustment Procedure Check or Point Replace Parts (G)* DTMF Generator 1. Connect J1 (Telephone Socket) to DTMF tester. IC2,R32,C22, Confirmation R23,C90,C52, 2. Execute the command "hookoff" and "dtmf_up". C14,C13,Q6, R22,R21,R19, 3. Confirm that the high frequency (1477.06Hz) group is -5dBm ~ -1dBm. R20,C12,D2, 4.
  • Page 46 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Items Adjustment Procedure Check or Point Replace Parts (M)* RSSI Level Follow steps 1 to 3 of (H) above. IC2,IC3,L1, Confirmation 4..Set DECT tester power to -88dBm. C43,C61,C68, C69,C48,C72, 5.Execute the command "readrssi". C66,C67,C65, C57,C73,L3, 6.
  • Page 47 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Items Adjustment Procedure Check or Point Replace Parts (O)* Transmit Audio Check 1. Configure the DECT tester (CMD60) as follows; IC2,R32,C22, and Adjustment R23,C14,C13, <Setting> R22,R21,Q6, · Test mode: FP R18,R19,R20, C12,D2,C1, · Mode: Normal C2,R77,R16, D3,R12,Q2, ·...

  • Page 48: 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 AF Volt Meter Tel Simulator DECT tester CMD60 (N) (O) (H) (I) (J) (K) (L) AF Generator JMP5 A201 JMP6 JMP7 JMP2 JMP4 JMP3 JMP1 JMP8 A202...
  • Page 49 14.2.2. Flow Solder Side View Digital Volt Meter (D) (E) (F) (G) 12Ω/2W (H) (N) (O) Digital Digital To PC (JIG) Volt Meter Volt Meter TP82 TP187 CHARGE CHARGE TP84 TP85 TP97 TP50 TP45 TP188 TP91 Frequency TP89 TP40 Counter TP39 TP101 TP90...

  • Page 50: Adjustment (Charger Unit)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 14.3. Adjustment (Charger Unit) Items Adjustment Procedure Check or Point Replace Parts Charging Check 1. Connect Charge Contact 12Ω/2W register between charge+ and charge-. D1,R1,R2 2. Measure and confirm voltage across the regigster is 2.7V ± 0.2V. Note: After the measuring, sock up the solder of TP.

  • Page 51: Adjustments (Handset)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 15 ADJUSTMENTS (HANDSET) If your unit have below symptoms, adjust or confirm each item using remedy column from the table. Symptom Remedy* The movement of Battery Low indicator is wrong. Make confirmation in item (A), (B), (E), (F) The handset does not respond to a call from base unit.
  • Page 52 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Items Adjustment Procedure Check or Point Replace Parts (H)* Transmitted Power TP15 Remove the Antenna before starting step from 1 to 5. IC1,IC10, Confirmation 1. Configure the DECT tester(CMD60) as follows; R410,L5, C111,C422, <Setting>...
  • Page 53 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Items Adjustment Procedure Check or Point Replace Parts (N)* Receive Audio Check TP15 1. Configure the DECT tester (CMD60) as follows; IC1,IC10, and Confirmation R410,L5, <Setting> C111,C422, · Test mode: PP C423,C405, R411,C408, ·...

  • Page 54: Adjustment Standard (Handset)

    15.2. Adjustment Standard (Handset) When connecting the Simulator Equipments for checking, please refer to below. (H) (I) (J) (K) Digital DECT tester (E) (F) (L) (M) (N) (O) 2.20V ~ 2.90V Volt Meter CMD60 R410 C422 R411 IC10 JACK C111 MCLK Oscilloscope DC 6V...

  • Page 55: Rf Specification

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 16 RF SPECIFICATION 16.1. Base Unit Item Value Refer to -. * Remarks TX Power 20 dBm ~ 25 dBm Adjustment (Base Unit) (H) Modulation 340 kHz/div ~ 402 kHz/div Adjustment (Base Unit) (I) Data type: Fig31 Frequency Offset -40 kHz ~ +40 kHz...

  • Page 56: Frequency Table (Mhz)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 18 FREQUENCY TABLE (MHz) BASE UNIT HANDSET Channel No Transmit Frequency Receive 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...

  • Page 57: Block Diagram (Base Unit)

    19 BLOCK DIAGRAM (BASE UNIT) ANT1 to Tel_Line ANT2 TXAF TXDA Bridge Hook Switch Burst Building Speech Encoding Audio Rect D2 RXAF Q2, Q3 RXDA Burst Decoding Speech Decoding Analog ADPCM RSSI Front End Codec Filter SYRI Interface SYEN HOOK RF Module DTXAF Bell/Caller ID...

  • Page 58: Circuit Operation (Base Unit)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 20 CIRCUIT OPERATION (BASE UNIT) 20.1. Outline Base Unit consists of the following ICs as shown in BLOCK DIAGRAM (BASE UNIT) (P.57). · DECT BBIC (Base Band IC): IC2 − − − − Handling all the audio, signal and data processing needed in a DECT base unit −...

  • Page 59: Power Supply Circuit

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 20.2. Power Supply Circuit The power is supplied to the DECT BBIC, RF Module, EEPROM, Relay Coil, LED and Charge Contact from AC Adaptor (+6V) as shown in Fig.101. The power supply is as follows; ·...

  • Page 60: Telephone Line Interface

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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 61: Block Diagram (Handset)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 21 BLOCK DIAGRAM (HANDSET) AMPLIFIER SPEAKER Speech Burst RXDA Decoding Decoding EARPIECE TXDA Speech Burst Encoding Encoding Module RSSI ADPCM IC10 SYRI Codec Interface Headset Analog SYEN Filter SP_AMP Front JACK XTAL CHARGE CHARGE CHARGE CIRCUIT...

  • Page 62: Circuit Operation (Handset)

    KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 22 CIRCUIT OPERATION (HANDSET) 22.1. Outline Handset consists of the following ICs as shown in BLOCK DIAGRAM (HANDSET) (P.61). · DECT BBIC (Base Band IC): IC1 − − − − All data signals (forming/analyzing ACK or CMD signal) −...
  • Page 63 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 23 CIRCUIT OPERATION (CHARGER UNIT) 23.1. Power Supply Circuit The power supply is as shown.
  • Page 64 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 24 SIGNAL ROUTE...
  • Page 65 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 25 CPU DATA (BASE UNIT) 25.1. IC2 (BBIC) Descriptiojn Hi-z Remarks Data Bus D.I/O for Flash Memory PA_Driver_Amp PA-ON PA-OFF Data Bus D.I/O for Flash Memory TX/RX SW Data Bus D.I/O for Flash Memory RX Data Active Active...
  • Page 66 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Descriptiojn Hi-z Remarks Serial Data(I2C) D.I/O Data Data Serial Clk(I2C) D.I/O Active Active Address Bus for Flash Memory Address Bus for Flash Memory MODE (Fixed) Write IC4 for Flash Memory R2/P1.7 (Fixed) Address Bus for Flash Memory Bell/Paging LED LED ON...
  • Page 67 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 26 CPU DATA (HANDSET) 26.1. IC1 (BBIC) Description Hi-Z Remarks Data Bus D,I/O for Flash Memory Address Bus for Flash Memory Address Bus for Flash Memory Address Bus for Flash Memory Address Bus for Flash Memory PA Driver Amp PA-ON...
  • Page 68 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Description Hi-Z Remarks CS/CE Active for LCD Serial Data(I2C) D,I/O Data Data for EEPROM Serial Clk(I2C) Active Active for EEPROM MODE (Fixed) INH/RS for LCD Bell Amp Enable Active Address Bus for Flash Memory Address Bus for Flash Memory Address Bus...
  • Page 69 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 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-TCD450 Base Unit. The EEPROM contains hardware, software, and user specific parameters. Some parameters are set during production of the base e.g.
  • Page 70 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Address Default Name Country Type Description Setting 09F2 HsRegInfo.EmcFlags Handset registration info - EMC flags 6..7: not used 0..5: handset 1..6 info, 1=known , 0=unknown 09F3 RingMode Ring mode. Modes used in KAMMA4 are 20h and 21h. 7..5: Mode (001=group) 4 : Not used 3..0: Id (001= id of first group)
  • Page 71 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Address Default Name Country Type Description Setting 0F3E Rcid.Options RCID mode 1..3: 0 4: pre-detect before first RCID-request, 1=enable, 0=disable 5: emulate ring-back tone, 1=enable, 0=disable 6: detect ring-timming, 1=enable, 0=disable 7: 0 0F3F Rcid.PacketLen_RetryCnt RCID mode packet length and request retry count...
  • Page 72 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 28 EEPROM LAYOUT (HANDSET) 28.1. Scope The purpose of this section is to describe “layout of the EEPROM (IC3) KX-A145 Handset”. The EEPROM contains hardware, software, and user specific parameters. Some parameters are set during production of the handset e.g.
  • Page 73 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Address Default Name Type Description 0195 SerClass_4 Service class for registration 4 0196 LAL_4 Location area level for registration 4 0197 IPUI_LEN_4 IPUI length for registration 4 0198-01A4 IPUI_4 - IPUI_16 IPUI for registration 4 01A5 ZAP_4 ZAP for registration 4...
  • Page 74 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Address Default Name Country Type Description Setting 1EEA MinDigitsToMatch Valid values: (-Must lower than MaxDigitsToMatch). -If all digits of one of the numbers match completely, -with at least this number of digits, we have a match. (-Or if they match completely with less digits, we also have match.) 1EEC...
  • Page 75 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 29.3. Modification Procedure of 29 HOW TO REPLACE FLAT Bridge PACKAGE IC 1. Add a small amount of solder to the bridged pins. 29.1. Preparation 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.
  • Page 76 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 30 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
  • Page 77 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 31 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET)
  • Page 78 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 32 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER UNIT)
  • Page 79 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 33 ACCESSORIES AND PACKING MATERIALS 33.1. KX-TCD450RUM/RUT...
  • Page 80 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 33.2. KX-A145RUM/RUT...
  • Page 81 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 34 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES 34.1. Base Unit 34.2. Handset 34.3. Charger Unit...
  • Page 82 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 35 REPLACEMENT PARTS LIST 1. RTL (Retention Time Limited) Ref. Part No. Part Name & Description Remarks Note: PQKE10356Z1 GUIDE, CHARGE TERMINAL CASE POM-HB The marking (RTL) indicates that the Retention Time is PQSA10131Z ANTENNA, MAIN PQSA10132Z...
  • Page 83 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks ERJ3GEYJ101 ECUV1H101JCV 100P ERJ3GEYJ560 G1C2N7Z00008 COIL PQ4R10XJ102 ECUV1H100DCV ERJ3GEY0R00 ECUV1H100DCV ERJ3GEYJ330 PQLQR2M1N8S COIL ERJ3GEY0R00 PQLQR2M1N8S COIL ERJ3GEY0R00 ECUV1H101JCV 100P ERJ3GEYJ101...
  • Page 84 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks PQJC10058Z BATTERY TERMINAL (+) ERJ3GEYJ103 PQJC10057Z BATTERY TERMINAL (-) ERJ3GEYJ103 PQJC10056Z BATTERY TERMINAL ERJ3GEYJ824 820K PQGT16262Z NAME PLATE (for KX-A145RUM) ERJ3EKF4303 430K PQGT16347Z...
  • Page 85 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks ECUV1A224KBV 0.22 PQQX13845Z INSTRUCTION BOOK (for Ukraine) ECUV1A224KBV 0.22 PQQW12945Z QUICK GUIDE (for Russian) ECUV1H100DCV PQQW13094Z QUICK GUIDE (for Ukraine) ECUV1H100DCV PQQW12946Z LEAFLET (for Russian)
  • Page 86 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 36 FOR SCHEMATIC DIAGRAM 36.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT)) Notes: 1. DC voltage measurements are taken with voltmeter from the negative voltage line. 2. This schematic diagram may be modified at any time with the development of new technology. 36.2.
  • Page 87 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 36.3. Memo...
  • Page 88 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 37 SCHEMATIC DIAGRAM (BASE UNIT) +60V DC ON-HOOK +10V DC OFF-HOOK LINE VOL TAGE 60V DC OV ON-HOOK TP39 +0.7V DC OFF-HOOK JMP1 TP45 500V680P 100K 500V680P 2.7K TP40 JMP2 JMP3 2.2K 500V680P JMP8 JMP5 +2.65V...
  • Page 89 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT ON-HOOK: 0V OFF-HOOK: about DC 9.8V ON-HOOK: 0V OFF-HOOK: about DC 3.9V TP50 3.9K 100K K1.0 2.2K J100P K0.22 K0.47 RX-AF VBACK +2.65V J101 J102 J103 ’SDA’ J104 ’SCL’ J105 D10P TX-AF +2.65V +2.65V DC +2.65V TP187...
  • Page 90 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 38 SCHEMATIC DIAGRAM (HANDSET) Frequency 324KHz 4.3V 4V DC 2.4V BATTERY+ BATTERY- C47 K0.068 CHARGE+ 3.3K 2.65V CHARGE- D2 1 LCD BACKLIGHT DISCLK 76 A8 P0.3/DSPIN 77 A9 AD4P(P0.6)/DSPOUT (10) LED14 Green 78 P1. 0 AD4N(P0.5) 79 P1.
  • Page 91 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT K1500P D10P K0.1 K0.1 220K D10P D10P SPEAKER D10P K1.0 K0.1 REV+ D10P D10P K2.2 D10P 4.7V(M) RECIEVER REV- D10P 4.7V(M) 5 SP1 C20 22 K0.1 6.3V10u 4 SP2 D10P D10P D10P 3 MIC2 D10P (10) 2 MIC1...
  • Page 92 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 39 SCHEMATIC DIAGRAM (CHARGER UNIT) DC_PLUG Charge_plus Charge_minus pinL SCHEMATIC DIAGRAM (CHARGER UNIT)
  • Page 93 40 CIRCUIT BOARD (BASE UNIT) 40.1. Component View RESET (BBIC: 23) (5.5V) (4.0V) JMP5 A201 JMP6 JMP7 JMP2 JMP4 JMP3 JMP1 JMP8 34 33 32 31 30 29 A202 R1 R6 R2 R4 B C E 12 1314 15 16 17 50 51 TP189 Bell LED...
  • Page 94 40.2. Flow Solder Side View RF Clock CHARGE - (10.368MHz) CHARGE+ J101 J103 J104 J102 J105 TP82 TP187 CHARGE CHARGE TP84 TP85 TP97 TP50 TP45 TP188 TP91 TP89 TP40 TP39 TP90 TP101 Q9 Output Q9 Input (4V) (5.5V) KX-TCD450RUM/RUT CIRCUIT BOARD (BASE UNIT) Flow Solder Side View...
  • Page 95 41 CIRCUIT BOARD (HANDSET) 41.1. Component View (+2.65V) BATTERY(+) 34 33 32 31 30 29 R410 C422 R411 IC10 JACK 11 12 13 14 15 16 17 C111 MCLK SP- SP+ BATTERY( ) RF Clock (BBIC: 25) (to SPEAKER) (BBIC: 21 10.368 MHz) SP+ SP- (to RECEIVER) KX-A145RUM/RUT CIRCUIT BOARD (HANDSET) Component View...
  • Page 96 41.2. Flow Solder Side View LED17 TALK LED3 LED13 BOOK LED14 PHONE LEFT LED2 REDIAL DOWN LED12 LED11 RIGHT LED1 PROG CANCEL POWER KX-A145RUM/RUT CIRCUIT BOARD (HANDSET) Flow Solder Side View...
  • Page 97 KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT 42 CIRCUIT BOARD (CHARGER UNIT) 42.1. Component View CIRCUIT BOARD (CHARGER UNIT) Component View 42.2. Flow Solder Side View CIRCUIT BOARD (CHARGER UNIT) Flow Solder Side View KXTCD450RUM KXA145RUM KXTCD450RUT KXA145RUT...

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