KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Note: Because CONTENTS 5 to 9 are the extracts from the Operating Instructions of this model, they are subject to change without notice. Please refer to the original Operating Instructions for further information. CONTENTS Page Page...
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 19 FREQUENCY TABLE (MHz) 32 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 73 20 BLOCK DIAGRAM (BASE UNIT) 33 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER 21 CIRCUIT OPERATION (BASE UNIT) UNIT) 21.1.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 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.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 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 TP84 TP187 TP82 CHARGE CHARGE TP97 TP202 RINGER TP50 RINGER...
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 1.2.2. Handset PCB Marked (Component View) TALK BOOK LED108 LEFT LED106 LED107 DOWN REDIAL RIGHT LED105 LED104 PROG POWER Marked (Flow Solder Side View) Note: The location of the “PbF” mark is subject to change without notice. 1.2.3.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 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.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 5 BATTERY 5.1. Battery Installation 1. Insert the batteries negative (-) terminal first. 2. Close the battery cover. Note: · Use only rechargeable P03P (Ni-MH)/P03H (Ni-Cd) batteries. 5.2. Battery Charge Place the handset on the base unit for about 7 hours before initial use.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 5.3. Battery Life After your Panasonic batteries are fully charged, you can expect the following performance: Note: · The included batteries are Ni-MH batteries. · Battery operating time may be shortened depending on usage conditions and ambient temperature.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 7 SETTINGS Important information General · Use only the power supply included with this products. · Do not connect the AC adaptor to any AC outlet other than a standard 220 — 240 V AC outlet. ·...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 7.1.2. Charger Unit · The AC adaptor must remain connected at all times (It is normal for the adaptor to feel warm during use). · Use only the AC adaptor PQLV200CEZ. 7.2.
PIN Code Important: · If you changed the PIN, please write down your new PIN as the unit will not reveal the PIN to you. If you forget your PIN, consult your nearest Panasonic service centre. 7.3.1. Base Unit For Service Hint: *: If the current 4-digit PIN is forgotten, press and you will be able to enter new PIN.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 7.4. Reset 7.4.1. Base Unit Note: · The emergency number setting will not be reset. Base Unit Initial Settings Function Initial Setting Remarks (selectable options) Base Unit Ringer Volume 1 to 3, OFF Ringer Mode All Handsets...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 7.8. Setting Call Restriction You can restrict selected handsets from dialling certain phone numbers. You can assign up to 10 phone numbers (memory locations 1-10) to be restricted per handset. If a restricted number is dialled, the call will not be connected and the restricted number will flash on the display.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 7.11. Selecting the Display Language 10 display languages are available. Note: · If you select a language you cannot read, reset the handset to its default settings. Refer to Handset (P.14) in “Reset”. 7.12.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 8 DISPLAY 8.1. Handset Display 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. 8.2.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 8.3. Before Requesting Help (Troubleshooting) If you still have difficulties after following the instructions in this section, disconnect the AC adaptor and turn off the handset, then reconnect the AC adaptor and turn on the handset.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Cross reference: (*1) Registering a Handset to a Base Unit (P.24). (*2) Setting Call BAR (P.16). (*3) Setting Call Restriction (P.16). (*4) Key Lock (P.15). (*5) Setting Dialling Mode (tone/pulse) (P.17). (*6) Ringer Volume (P.12).
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 9 OPERATIONS 9.1. Turning the Power On/Off 9.2. Setting the Time and Date Note: · If a power failure occurs, set the time and date again. 9.3. Redialling 9.3.1. Making a Call Using the Redial List The last 10 phone numbers dialled are stored in the redial list.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 9.4. Phonebook 9.4.1. Storing Phone Numbers and Names Up to 20 phone numbers can be stored in the phonebook for quick access.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 9.4.2. Storing a Number from the Caller ID List into the Phonebook 9.4.3. Storing a Number from the Redial List into the Phonebook 9.4.4. Hot Key (Quick Dial) Note: ·...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 9.5. Registering a Handset to a Base Unit 9.5.1. Cancelling a Handset...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 9.5.2. Cancelling a Base Unit Note: To register the handset to another base unit or to the same base unit again, see manual registration. 9.6. Selecting a Base Unit...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 11 ASSEMBLY INSTRUCTIONS 11.1. 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.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 12.1. Check Power 12.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.) Cross Reference Note: Power Supply Circuit (P.55) BBIC is IC2. 12.1.2. Handset Cross Reference Note: Power Supply Circuit/Reset Circuit (P.58)
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 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 1 Hz (precision; ±4 ppm). Hewlett Packard, 53131 A is recommended.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 14 CHECK PROCEDURE (HANDSET) 14.1. Preparation 14.1.1. Equipment Required · DECT tester: Rohde & Schwarz, CMD 60 is recommended. · Frequency counter: it must be precise to be able to measure 1 Hz (precision; ± 4 ppm). Hewlett Packard, 53131 A is recommended.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 15 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.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Items Procedure Check or Replace Parts (G)* DTMF Generator 1. Connect J1 (Telephone Socket) to DTMF tester. IC2,R32,C22, Confirmation R23,C80, 2. Execute the command “hookoff” and “dtmf_up”. C14,C13,Q6, R22,R21, 3.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Items Procedure Check or Replace Parts (M)* RSSI Level Follow steps 1 to 3 of (H) above. IC2,IC3,L1, Confirmation 4. Set DECT tester power to -70 dBm. C43,C78, C75,C69,C48, 5.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Items Procedure Check or Replace Parts 1. Connect Charge Contact 12 Ω/2 W resistor between charge+ and charge-. Charging Check D4,R43,R44 2. Measure and confirm voltage across the resistor is 2.3 V ± 0.2 V. Note: After the measuring, sock up the solder of TP.
15.2. Adjustment Standard (Base Unit) When connecting the Simulator Equipment for checking, please refer to below. 15.2.1. Component View DECT Tester CMD60 (H) (I) (J) (K) (L) (M) AF VOLT METER 6.3V A201 JMP2 47µF JMP6 JMP5 150Ω JMP7 JMP8 RLY1 Dummy Handset...
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15.2.2. Flow Solder Side View (D) (E) (F) (G) (H) (N) (O) Digital Digital Volt Meter Volt Meter VBACK TP187 TP84 J101 J103 J104 J102 J105 TP187 TP82 CHARGE CHARGE+ CHARGE Digital Volt Meter TP97 TP202 RINGER TP50 Frequency Counter RINGER TP201 TP45...
16.2. Adjustment Standard (Handset) When connecting the Simulator Equipment for checking, please refer to below. AF VOLT METER LOOP Simulator Oscilloscope (I) (J) (K) (L) (M) (F) (G) (N) (O) (P) Power Key DC POWER Dummy Base DECT tester 2.30 - 2.60V Unit Volt Meter CMD60...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 21.2. Power Supply Circuit The power is supplied to the DECT BBIC, RF Module, EEPROM, Relay Coil, LED and Charge Contact from AC Adaptor (+6 V) as shown in Fig.101. The power supply is as follows; ·...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 21.3. 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.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 26 CPU DATA (BASE UNIT) 26.1. IC2 (BBIC) 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)
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 27 CPU DATA (HANDSET) 27.1. IC1 (BBIC) 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...
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Description Hi-z Remarks VDD for EEPROM I2DAT D.I/O Active I2CLK D.I/O Active MODE (NO USE) VBACK/P0.7 LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT Active VDDLI LCD_SEGMENT Active LCD_SEGMENT Active LCD_SEGMENT...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 28 EEPROM LAYOUT (BASE UNIT) 28.1. Scope The purpose of this section is to describe the layout of the EEPROM (IC1) for the KX-TCD440 Base Unit. The EEPROM contains hardware, software, and user specific parameters. Some parameters are set during production of the base e.g.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 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)
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 29 EEPROM LAYOUT (HANDSET) 29.1. Scope The purpose of this section is to describe the layout of the EEPROM (IC2) for the KX-A144-1/A144 Handset. The EEPROM contains hardware, software, and user specific parameters. Some parameters are set during production of the handset e.g.
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT Address Default Name Country Type Description Setting 0190-0194 RFPI_4 (Base 4) RFPI for registration 4 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...
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KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 29.3.3. Volume Settings Address Default Name Country Type Description Setting EESpPhVolume Volume of the speakerphone RingVolumeLevel1 Setting for Ringer Volume 1 (lowest) RingVolumeLevel2 Setting for Ringer Volume 2: RingVolumeLevel3 Setting for Ringer Volume 3: RingVolumeLevel4 Setting for Ringer Volume 4:...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 30 HOW TO REPLACE FLAT PACKAGE IC 30.1. Preparation 30.3. Modification Procedure of Bridge · PbF (: Pb free) Solder · Soldering Iron 1. Add a small amount of solder to the bridged pins. Tip Temperature of 700°F ±...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 32 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) Note: (*1) The rechargeable Ni-MH battery P03P and Ni-Cd battery P03H are available through sales route of Panasonic.
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 36 REPLACEMENT PARTS LIST 1. RTL (Retention Time Limited) Ref. Part No. Part Name & Description Remarks Note: PQSA10132Z ANTENNA, SUB The marking (RTL) indicates that the Retention Time is PQYF10560Z9 CABINET COVER...
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT 37 FOR SCHEMATIC DIAGRAM 37.1. 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. 37.2.
41 CIRCUIT BOARD (BASE UNIT) 41.1. Component View (BBIC: 18 RESET 10.368MHz) (BBIC: 14) (5.5V) (4.0V) A201 JMP2 JMP6 JMP5 JMP7 JMP8 RLY1 JMP4 JMP3 JMP1 (4.0V) A202 B C E RF VOLTAGE Bell Ringer Bell Power Q8 Collector Bell Bell (BBIC: 44) Supply (4V)
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42.2. Flow Solder Side View TALK BOOK LED108 LEFT LED106 LED107 DOWN REDIAL RIGHT LED105 LED104 PROG POWER KX-A144EXS/EXT-1/A144EXS/EXT CIRCUIT BOARD (HANDSET) Flow Solder Side View...