Panasonic KX-TCD445BXS Service Manual Download Page 88

Page: 88 / 99

Ref.

No.

Part No.

Part Name & Description

Remarks

C62

ECUV1A105KBV

C64

ECUV1A105KBV

C65

ECUE1C100DCQ

10P

C66

ECUE1C100DCQ

10P

C67

ECUE1H2R0CCQ

C102

ECUV1H222KBV

0.0022

C103

ECUE1C100DCQ

10P

C105

ECUV1C104KBV

0.1

C106

ECUV1A105KBV

C107

ECUE1A104KBQ

0.1

C108

ECUV1H100DCV

10P

C109

ECUV1C104KBV

0.1

C110

ECUV1H100DCV

10P

C111

ECUV1H100DCV

10P

C115

ECUV1H100DCV

10P

C116

ECUV1H100DCV

10P

C202

ECUE1C0R5CCQ

0.5P

C206

ECUV1A475KB

4.7

C208

ECUE1C100DCQ

10P

C209

ECUV1H100DCV

10P

(OTHERS)

E101

PQWLA144EXR

LCD ASSEMBLY

E102

PQHX11255Z

SPACER, DIFFUSION SHEET

E103

PQHR11043Z

TRANSPARENT PLATE, LCD

E104

PQHS10632Z

TAPE, DOUBLE SIDED (LCD)

E105

PQHR11042Z

GUIDE, LCD

E106

PQHS10486Z

HEAT SHIELD PARTS

MIC

L0CBAB000052

MICROPHONE

IC3

J3FKK0000003

RF UNIT

H0D103500002

CRYSTAL OSCILLATOR

35.3. Charger Unit

35.3.1. Cabinet and Electrical Parts

Ref.

No.

Part No.

Part Name & Description

Remarks

200

PQLV30018ZS3

CHARGER UNIT (for KX-A144BXS)

200

PQLV30018ZT3

CHARGER UNIT (for KX-A144BXT)

200

PQLV30018ZF3

CHARGER UNIT (for KX-A144BXF)

200-1

PQGG10155YD

GRILLE (for KX-A144BXS)

ABS-HB

200-1

PQGG10155YE

GRILLE (for KX-A144BXT)

ABS-HB

200-1

PQGG10155YF

GRILLE (for KX-A144BXF)

ABS-HB

200-2

PQKM10591Y9

CABINET BODY (for KX-A144BXS) PS-HB

200-2

PQKM10591Y5

CABINET BODY (for KX-A144BXT) PS-HB

200-2

PQKM10591Y0

CABINET BODY (for KX-A144BXF) PS-HB

200-3

PQKE10356Z1

GUIDE, CHARGE TERMINAL CASE

POM-HB

200-4

PQJT10206Z

CHARGE TERMINAL

200-5

PQHX10991Z

CUSHION, URETHANE FORM

200-6

PQMH10426Z

WEIGHT

200-7

PQYF10563Z9

CABINET COVER (for KX-
A144BXS)

PS-HB

200-7

PQYF10563Z5

CABINET COVER (for KX-
A144BXT)

PS-HB

200-7

PQYF10563Z0

CABINET COVER (for KX-
A144BXF)

PS-HB

200-8

PQGT17279Z

NAME PLATE (for KX-A144BXS)

200-8

PQGT17280Z

NAME PLATE (for KX-A144BXT)

200-8

PQGT17278Z

NAME PLATE (for KX-A144BXF)

35.3.2. Main P.C.Board Parts

Ref.

No.

Part No.

Part Name & Description

Remarks

PCB200

PQWPA142ESCH

MAIN P.C.BOARD ASS´Y (RTL)

(DIODE)

B0JAME000085

DIODE(SI)

(JACK)

PQJJ1B4Y

JACK

(RESISTORS)

ERJ1WYJ220

ERJ1WYJ270

35.4. Accessories and Packing

Materials

35.4.1. KX-TCD445BXS/BXT/BXF

Ref.

No.

Part No.

Part Name & Description

Remarks

PQLV19BXZ

AC ADAPTOR

PQJA10075Z

CORD, TELEPHONE

PQQX14165Z

INSTRUCTION BOOK

PQQW13352Z

QUICK GUIDE (for English)

PQQW13328Z

QUICK GUIDE (for Arabic)

PQQW13468Z

LEAFLET

PQQW12846W

LEAFLET, RECHARGE

PQPP10100Z

PROTECTION COVER (for Base
Unit)

PQPP10084Z

PROTECTION COVER (for
Handset)

PQPK14270Z

GIFT BOX

PQPD10603Z

CUSHION

PQPD10620Z

CUSHION

35.4.2. KX-A144BXS/BXT/BXF

Ref.

No.

Part No.

Part Name & Description

Remarks

PQLV200BXZ

AC ADAPTOR

PQQX14190Z

INSTRUCTION BOOK (for
English)

PQQX14199Z

INSTRUCTION BOOK (for Arabic)

PQQW12846W

LEAFLET, RECHARGE

PQPP10086Z

PROTECTION COVER (for Charger
Unit)

PQPP10084Z

PROTECTION COVER (for
Handset)

PQPK14279Z

GIFT BOX

35.5. Fixtures and Tools

Part No.

Part Name & Description

Remarks

PQZZ1CD420BX

I2C PCB

PQZZ1CD705BX

RS232C CABLE

PQZZ2CD705BX

CLIP CABLE

PQZZ3CD705BX

DC CABLE

PQZZTCD445BX

BATCH FILE

Note:

See

CHECK PROCEDURE (BASE UNIT)

(P.43), and

CHECK PROCEDURE (HANDSET)

(P.45).

KX-TCD445BXS / KX-TCD445BXT / KX-TCD445BXF / KX-A144BXS / KX-A144BXT / KX-A144BXF /

Summary of Contents for KX-TCD445BXS

Page 1: ...stribution is a violation of law KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF Digital Cordless Answering System New Silver Version Titanium Black Version Metallic Blue Version for Asia Middle Near East and Other areas Telephone Equipment ORDER NO KM40406482C3 ...

Page 2: ...27 9 DISASSEMBLY INSTRUCTIONS 30 9 1 Base Unit 30 9 2 Handset 31 9 3 Charger Unit 32 10 ASSEMBLY INSTRUCTIONS 33 10 1 Warning When Constructing the Base Unit 33 10 2 Processing of Ringer Charge Terminal Lead 34 11 TROUBLESHOOTING GUIDE 35 11 1 Check Power 36 11 2 Check Battery Charge 37 11 3 Check Link 38 11 4 Check Handset Transmission 40 11 5 Check Handset Reception 40 11 6 Check Caller ID 40 11...

Page 3: ...re of Bridge 78 30 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 79 31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 80 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 81 33 ACCESSORIES AND PACKING MATERIALS 82 33 1 KX TCD445BXS BXT BXF 82 33 2 KX A144BXS BXT BXF 83 34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 84 34 1 Base Unit 84 34 2 Handset 84 34 3 Charger Unit 84 35 REPLACEMENT ...

Page 4: ...ng PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please check the component side for excess whi...

Page 5: ... 4 5 8 Component View TP13 TP15 TP8 TP7 TP11 TP106 TP9 TP1 2 4 1 5 6 TP4 TP2 TP3 TP10 TP6 TP202 TP201 TP5 GND MODE SCL SDA VDD J105 J102 J104 J103 J101 CHARGE CHARGE PbF Marked Flow Solder Side View Note The locations of the PbF mark are subject to change without notice 5 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 6: ...NT MIC TALK 36 CN2 LED101 LED107 LED108 SP_ LED104 LED106 LED105 LED102 LED103 Flow Solder Side View Note The locations of the PbF mark are subject to change without notice Component View Flow Solder Side View PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Note The locations of the PbF mark are subject to change without notice 6 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A1...

Page 7: ...oil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch IC or LSI pins with bare fingers 3 CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacture s Instructions 7 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX ...

Page 8: ...the handset and base unit with a soft dry cloth otherwise the batteries may not charge properly Clean if the unit is exposed to grease dust or high humidity If the handset is turned off it will be turned on automatically when it is placed on the base unit Note for Service The battery strength may not be indicated correctly if the battery is disconnected and connected again even after it is fully c...

Page 9: ...ies If you install non rechargeable batteries and start charging the batteries may leak electrolyte Do not mix old and new batteries Use only 2 nickel metal hydride Ni MH batteries or 2 nickel cadmium Ni Cd batteries Do not mix battery types Ensure that the correct battery type is selected 1 Press the notch on the cover firmly and slide it in the direction of the arrow 2 Remove the batteries posit...

Page 10: ...5 LOCATION OF CONTROLS 5 1 Base Unit 5 2 Handset 10 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 11: ... use this product near water This product should be kept away from heat sources such as radiators cookers etc It should also not be placed in rooms where the temperature is less than 5 C or greater than 40 C The AC adaptor is used as the main disconnect device Ensure that the AC outlet is located installed near the unit and is easily accessible Warning To prevent the risk of electrical shock do no...

Page 12: ... normal for the adaptor to feel warm during use Use only the AC adaptor PQLV200BXZ 6 2 Ringer Volume 6 2 1 Base Unit 4 levels high to off are available 6 2 2 Handset 7 levels high to off are available 12 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 13: ...t 4 digit PIN is forgotten press and you will be able to enter new PIN 6 3 2 Handset For Service Hint If the current 4 digit PIN is forgotten press and you will be able to enter new PIN 13 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 14: ... Auto 2 to 7 Auto Dialling Mode Tone Tone Pulse Flash Time 600 msec 100 msec 600 msec 300 msec Pause Length 3 seconds 3 seconds 5 seconds Call Restricted Handsets All Clear Each Handset can be set individually Call Restriction Numbers All Clear Up to 10 numbers up to 8 digits 4 Digit Base Unit PIN 0000 Caller ID All Clear Up to 50 different callers 6 4 2 Handset Note Phonebook entries will not be ...

Page 15: ...age English 10 languages Call BAR OFF OFF ON Direct Call Mode OFF OFF ON Direct Call Number Clear Up to 24 digits 4 Digit Handset PIN 0000 Auto Talk OFF OFF ON Redial Memory All Clear Up to 10 numbers Up to 24 digits Handset Receiver Volume 2 1 to 3 Handset Speaker Volume 3 1 to 6 6 5 Key Lock The dial keys can be locked so that no calls can be made Only incoming calls will be accepted while key l...

Page 16: ...e call will not be connected and the restricted number will flash on the display For example storing an area code will prevent a handset from dialling a long distance call 6 9 Cancelling a Restricted Number 6 10 Setting Call BAR This feature prohibits making outside calls When call bar is turned on only intercom calls and emergency calls can be made 16 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A14...

Page 17: ...ge you cannot read reset the handset to its default settings Refer to Handset P 14 in Reset 6 12 Setting Dialling Mode Tone Pulse 6 13 Setting Flash Time Change the flash time if necessary to suit your PBX or service provider 17 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 18: ...ls will be cleared after viewing all caller information Example 4 new calls have been received Note When you receive a call from the same phone number you stored with a name in the phonebook the display will show the stored name If the unit is connected to a PBX system you may not receive the caller information When the caller dialled from an area which does not provide Caller ID service will be d...

Page 19: ...19 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 20: ...t the AC adaptor and turn on the handset Cross Reference 1 Registering a Handset to a Base Unit P 25 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 7 Turning the Power On Off P 22 8 Battery Installation P 8 9 Battery Charge P 8 20 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 21: ...eplacing the Batteries P 9 12 Caller ID Display P 18 13 Registering a Handset to a Base Unit P 25 14 PIN Code P 13 15 Erasing All Messages P 27 16 Remote Operation P 28 21 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 22: ... Ensure that is not flashing Note If a power failure occurs set the time and date again 8 3 Redialling 8 3 1 Making a Call Using the Redial List The last 10 phone numbers dialled are stored in the redial list 8 3 2 Redialling the Last Number Dialled 22 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 23: ...8 4 Phonebook 8 4 1 Storing Phone Numbers and Names 23 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 24: ...the Phonebook 8 4 3 Storing a Number from the Redial List into the Phonebook 8 4 4 Hot Key Quick Dial Note The number erased from a hot key will not be deleted from the phonebook 24 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 25: ...8 5 Registering a Handset to a Base Unit 25 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 26: ...8 6 Selecting a Base Unit 26 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 27: ...8 7 Answering System 8 7 1 Listening to Messages 8 7 2 Erasing All Messages 27 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 28: ...in dial keys to perform different operations Turning remote operation on off A 3 digit remote access code must be entered when operating the answering system remotely This code prevents unauthorised parties from listening to your messages remotely After you store your remote access code remote operation is possible Using the answering system remotely 28 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A1...

Page 29: ...29 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 30: ...ASSEMBLY INSTRUCTIONS 9 1 Base Unit Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 12 A 2 2 Main P C Board Main P C Board 30 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 31: ...wn in Fig To Remove Remove 3 Rear Cabinet Screws 2 10 B 2 4 Follow the procedure 5 Main P C Board Screw 2 8 C 1 Screws 2 8 D 2 Main P C Board 31 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 32: ... 3 Charger Unit Shown in Fig To Remove Remove 6 Lower Cabinet Screws 2 6 14 E 2 7 Main P C Board Tape and Solder Main P C Board 32 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 33: ...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 33 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 34: ...10 2 Processing of Ringer Charge Terminal Lead 34 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 35: ...n P 42 Check Battery Charge P 37 Check Link P 38 Check Handset Transmission P 40 Check Handset Reception P 40 SIGNAL ROUTE P 65 TAM Voice Prompt Problems P 41 11 TROUBLESHOOTING GUIDE 35 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 36: ... Reference Power Supply Circuit Reset Circuit P 63 Note BBIC is IC8 Note BBIC is IC1 11 1 Check Power Is the AC Adaptor inserted into AC outlet Check AC Adaptor s specification 11 1 2 Handset 36 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 37: ...ower P 36 Charge Circuit P 63 Note BBIC is IC1 11 2 1 Base Unit Cross Reference Charge Circuit P 63 11 2 2 Handset 11 2 3 Charger Unit Cross Reference Power Supply Circuit P 64 37 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 38: ...11 3 Check Link Cross Reference Power Supply Circuit P 60 Adjustment Base Unit P 46 Note RF module is IC9 11 3 1 Base Unit 38 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 39: ...11 3 2 Handset Cross Reference Power Supply Circuit Reset Circuit P 63 Adjustment Handset P 52 Note RF module is IC3 39 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 40: ...L ROUTE P 65 11 5 Check Handset Reception Cross Reference HOW TO CHECK THE HANDSET SPEAKER OR RECEIVER P 56 SIGNAL ROUTE P 65 11 6 Check Caller ID Cross Reference SIGNAL ROUTE P 65 40 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 41: ...ce Prompt Problems Cross Reference Check Link P 38 Check Handset Reception P 40 EEPROM LAYOUT BASE UNIT P 71 TAM Voice Prompt Download P 44 41 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 42: ...Reception Cross Reference Telephone Line Interface P 61 Check Link P 38 Note BBIC is IC1 11 8 1 Base Unit Note BBIC is IC8 11 8 2 Handset 42 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 43: ...S 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 Type doskey Note See the table below for frequently used commands Command name Function Example rdeeprom Read the data of EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to FF is read out readid Read ID RFPI Type ...

Page 44: ...l cable from the VOICE PROMPT DOWN LOADER to SDR SDX INT CS and SCLK 2 Connect the serial cable from the PROM DOWN LOADER to J103 J104 and J105 of base P C B 3 Switch on the 6V supply 4 Invoke vploadenable batch file from the PC 5 Invoke go batch file from the PC 44 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 45: ...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 RTX_COM 1 from the keyboard when COM port 1 is used for the connection 4 Type doskey Note See the table below for frequently used commands Command name Function Example rdeeprom Read the data of EEPROM Type rdeeprom 00 00 FF and the data from add...

Page 46: ...4 R74 D9 C VBACK Status Confirmation 1 Confirm that the voltage between J102 and GND is 0V 0 4V IC8 C53 C54 C55 C56 X1 R78 R77 C52 R74 D9 R71 Q12 D BBIC Confirmation 1 BBIC Confirmation Execute the command getchk 2 Confirm the returned checksum value Connection of checksum value and program number is shown below IC8 C53 C54 C55 C56 X1 R78 E BBIC Clock Adjustment Important 1 Execute the command dea...

Page 47: ...4 R83 R84 C65 L3 C79 C67 C66 D10 C62 J Frequency Offset Confirmation Follow steps 1 to 3 of H above 4 Confirm that the frequency offset is 50KHz 50kHz IC6 IC4 L2 C57 C61 C75 C77 C78 C76 C68 C69 R79 R80 C63 C64 R83 R84 C65 L3 C79 C67 C66 D10 C62 K Sensitivity Receiver Confirmation Follow steps 1 to 3 of H above 4 Set DECT tester power to 88dBm 5 Confirm that the BER is 1000ppm IC6 IC4 L2 C57 C61 C7...

Page 48: ...CMD60 as follows Setting Test mode FP Mode Normal PMID 00000 2 Execute the command testmode 3 Initiate connection from DECT tester 4 Execute the command hookoff 5 Execute the command openau 6 Connect J2 Telephone Socket to Tel simulator which is connected with 600 Ω 7 Set line voltage to 48V and line current to 40mA 8 Input audio signal 30mVrms 1kHz tone to DECT tester DECT tester setting Scramble...

Page 49: ... C75 C78 C101 C102 C103 C33 C36 C87 C86 C37 C67 C76 C69 C83 C85 C96 C32 C94 R50 Q8 Q12 Q9 B C E R41 R43 R47 R57 R80 R64 R62 R57 R61 R83 R84 D10 R79 L3 Q3 Q4 Q7 Q5 Q11 Q13 Q10 Q6 Q2 R1 R42 R44 R3 C1 C28 CS 14 1 1 1 1 4 5 8 16 17 32 1 11 28 15 INT SDX SDR SCLK C26 C91 C44 C63 C84 C64 C34 C61 C54 C55 R86 C58 R82 C39 C99 C97 C100 C45 L2 37 36 C72 C71 C60 C68 C80 C66 C62 C73 C79 C82 C81 C65 C74 28 18 A...

Page 50: ...J105 J102 J104 J103 J101 CHARGE CHARGE Digital Volt Meter A Digital Volt Meter B Frequency Counter E DTMF tester Tel Simulator F N O G Digital Volt Meter C P To PC JIG Digital Volt Meter D E F G H N O 12Ω 2W PbF Note A P is referred to Adjustment Base Unit P 46 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF 50 ...

Page 51: ...the measuring sock up the solder of TP The connection of adjustment equipment are as shown in Adjustment Standard Charger Unit P 51 14 4 Adjustment Standard Charger Unit When connecting the Simulator Equipments for checking please refer to below 14 4 1 Flow Solder Side View PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A Note A is referred to Adjustment Charger Unit P 51 51 KX TCD445BXS KX T...

Page 52: ...hecksum value Connection of checksum value and program number is shown below IC1 X1 C16 C17 D Charge Control Check Charge Current Monitor Confirmation 1 Apply 6V between TPCHG and TPCHG with current limit of PSU to 250mA 2 Confirm that the charge current is ON OFF 3 SW to decrease current limit of PSU to 100mA 4 Confirm that the charge current is stable IC1 L4 L5 Q2 Q3 R6 D2 R22 C26 F1 R21 R4 C33 ...

Page 53: ...C57 C55 C56 C62 R23 C63 C64 C65 R18 L6 C67 C202 C208 C209 K Frequency Offset Confirmation Follow steps 1 to 4 of I above 5 Confirm that the frequency offset is 50kHz 50kHz IC1 IC3 C54 C66 C60 L3 C57 C55 C56 C62 R23 C63 C64 C65 R18 L6 C67 C202 C208 C209 L Sensitivity Receiver Confirmation Follow steps 1 to 4 of I above 5 Set DECT tester power to 88dBm 6 Confirm that the BER is 1000ppm IC1 IC3 C54 C...

Page 54: ...mit Audio Check 1 Configure the DECT tester CMD60 as follows Setting Test mode FP Mode Normal RFPI 0102030405 2 Execute the command testmode 3 Execute the command regcmd60 4 Initiate connection from DECT tester 5 Execute the command openaudio 6 Confirm that the value of EEPROM address F3F is 02 If the value is not 02 by User set 02 and power off and power on and return to clause 2 7 Input audio si...

Page 55: ...2 D7 D6 D3 D5 R11 VBACK TP19 TP18 TP3 TP4 R16 R104 Q102 D1 C22 C30 C8 C3 C24 C26 C28 C29 C6 R8 D2 C16 R12 C17 SP BUZ Q3 Q2 C7 C4 C5 C34 C33 C35 CHG CHG MIC R5 R7 R1 R4 R2 R3 C110 C115 C31 R20 R107 R17 L3 L6 C57 MCLK C21 C25 R19 IC1 IC2 F1 5 8 4 1 C27 Q103 TP1 TP101 TP102 R18 C56 TP2 11 1 18 28 C2 C20 C23 C18 REG L5 L4 R21 R22 R6 X1 Q1 BATT TP17 TP16 TP4V R105 R106 C101 D101 D102 Q101 R109 C106 R11...

Page 56: ...ndset Item Value Refer to Remarks TX Power More than 20 dBm 25 dBm Adjustment Handset I Modulation 340 kHz div 402 kHz div Adjustment Handset J Data type Fig31 Frequency Offset 50 kHz 50 kHz Adjustment Handset K RX Sensitivity 1000 ppm Adjustment Handset L Timing Accuracy 10 ppm Adjustment Handset M RSSI Level 0x62 0x10 hex Adjustment Handset N Refer to Adjustment Handset P 52 17 HOW TO CHECK THE ...

Page 57: ...8 1893 888 1893 888 4 1892 160 1892 160 1892 160 1892 160 5 1890 432 1890 432 1890 432 1890 432 6 1888 704 1888 704 1888 704 1888 704 7 1886 976 1886 976 1886 976 1886 976 8 1885 248 1885 248 1885 248 1885 248 9 1883 520 1883 520 1883 520 1883 520 10 1881 792 1881 792 1881 792 1881 792 Note Channel No 10 In the Test Mode on Base Unit and Handset 57 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS...

Page 58: ... SYEN RXDA TXDA J1 J2 IC8 IC9 4 0V Reg 2 65V Reg 4 0V 2 65V VUNREG 27 26 133 123 63 12 20 139 5 22 25 18 5 6 4 RF Module 20 5 10 33 7 5 XTAL 10 368 X1 MHz DTXAF 136 Bell Caller ID Interface ANT1 ANT2 to Tel_Line A B to AC Adaptor RING 81 Ring Det 76 Clip Der Flash IC7 D0 D7 A0 A17 PROM 30 ADDRES DATA CTRL 29 SCK 1 11 14 13 12 103 104 106 105 107 SI SO CS RD5 BUSY Serial Flash ROM IC6 71 Page Limit...

Page 59: ...ringing tone etc generation DSP section DTMF receiver DSP section Clock Generation for RF Module ADC DAC timer and power control circuitry All interfaces ex RF module EEPROM RINGER Analog Front End etc RF Module IC9 PLL Oscillator Detector Compress Expander First Second Mixer Amplifier for transmission and reception EEPROM IC4 Temporary operating parameters for RF etc Note Refer to EEPROM LAYOUT B...

Page 60: ...AC Adaptor 6V as shown in Fig 101 The power supply is as follows DECT BBIC IC8 J1 6V D4 IC2 IC3 IC8 IC6 RF Module IC9 J1 6V D4 IC2 IC9 EEPROM IC4 J1 6V D4 IC2 IC3 IC4 LED LED1 J1 6V D4 IC2 R57 LED1 Charge Contact TP13 J1 6V D4 R59 R60 TP13 Fig 101 60 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 61: ...in BLOCK DIAGRAM BASE UNIT P 58 The voice signal passes through the analog part of IC8 where it is amplified and converted to a digital audio stream signal The burst switch controller processes this stream performing encryption and scrambling adding the various other fields to produce the GAP Generic Access Profile standard DECT frame assigning to a time slot and channel etc In IC3 the carrier fre...

Page 62: ...CHARGE DETECT SWITCHED SUPPLY CHARGE CONTACTS TP5 4 0V VDDBAT VDDLR SWITCH 31 XTAL 10 368 MHz LCD BACK LIGHT KEY BACK LIGNT COLUMNS ROWS LCD 14 Seg Display ON SWITCH 38 27 26 36 37 28 pin 2 5 9 COM 0 5 segment 0 29 pin1 90 100 87 78 84 72 76 61 62 56 58 EARPIECE SPEAKER 42 41 45 17 21 53 55 59 60 34 88 SP Phone LED 52 Burst Encoding Burst Decoding TP6 D3 KX A144BXS BXT BXF BLOCK DIAGRAM HANDSET 46...

Page 63: ...ndset on the Charger Unit the charge current is as follows DC 5 5V 6V D1 R1 R2 CHARGE Charger Unit CHARGE Handset F1 BATTERY Battery BATTERY R21 GND CHARGE Handset CHARGE Charger Unit GND DC GND In this way the BBIC on Handset detects the fact that the battery is charged The charge current is controlled by switching Q2 of Handset Refer to Fig 101 in Power Supply Circuit P 60 22 4 Battery Low Power...

Page 64: ...23 CIRCUIT OPERATION CHARGER UNIT 23 1 Power Supply Circuit The power supply is as shown 64 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 65: ...24 SIGNAL ROUTE 65 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 66: ...for Flash Memory 31 BSCL1 D O for Flash Memory 32 A0 D O for Flash Memory 33 A1 D O for Flash Memory 34 VDD 35 VSS 36 A2 D O for Flash Memory 37 A3 D O for Flash Memory 38 A4 D O for Flash Memory 39 A5 D O for Flash Memory 40 A6 D O for Flash Memory 41 A7 D O for Flash Memory 42 A8 D O for Flash Memory 43 A9 D O for Flash Memory 44 A10 D O for Flash Memory 45 VSS 46 VDD 47 A11 D O for Flash Memory...

Page 67: ...USE D O 92 NO USE D O 93 NO USE D O 94 NO USE D O 95 MA5 D O I for Voice Down Load 96 NO USE D O 97 MA3 D O I for Voice Down Load 98 VDD 99 VSS 100 MA2 D O I for Voice Down Load 101 MA1 D O I for Voice Down Load 102 MA0 D O I for Voice Down Load 103 FRDY D O for Flash Memory 104 MD4 D O for Flash Memory 105 MD2 D O for Flash Memory 106 MD1 D I for Flash Memory 107 MD0 D O for Flash Memory 108 VDD ...

Page 68: ...133 MIP A 134 MFBN A 135 MFBP A 136 MIN A 137 ADREFP A 138 ADREFN A 139 RSSI A 140 AD3 A 141 AD4 A 142 MPCINP A 143 RESETQ A Normal Reset 144 VDD Note I_PU Internal Pull Up I_PD Internal Pull Down 68 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 69: ...ctive 24 VDD 25 VSS 26 POWER_SW A I No Key 27 CHARGE_DET A I Charge 28 DCDCDRV D O Active 29 DCDCCMR A I 30 RESET A I Normal 31 VSSO 32 LOAD A I 33 XTAL A I 34 VDDPM A O 35 VDDLO A O 36 VDDBAT A I 37 VDDLR 38 CHARGE_START A O for charge 39 VDDA 40 VSSA 41 LSRN A O 42 LSRP A O 43 BANDGAP_REF A O 44 MICS A O 45 MICP A I 46 MICN A I 47 Reference Voltage A O 48 RSSI A I 49 P0 4 D I 50 AD4N A I 51 AD4P...

Page 70: ..._SEGMENT D O Active 81 LCD_SEGMENT D O Active 82 LCD_SEGMENT D O Active 83 LCD_SEGMENT D O Active 84 LCD_SEGMENT D O Active 85 VSS 86 VDD 87 LCD_SEGMENT D O Active 88 NO USE D O 89 Power Select D O Low Power 90 LCD_SEGMENT D O Active 91 LCD_SEGMENT D O Active 92 LCD_SEGMENT D O Active 93 LCD_SEGMENT D O Active 94 LCD_SEGMENT D O Active 95 LCD_SEGMENT D O Active 96 LCD_SEGMENT D O Active 97 LCD_SEG...

Page 71: ...ry Setting x Default no specific country setting so revert to default value 27 3 EEPROM Layout 27 3 1 General Setup Address Default Name Country Setting Type Description 0000 01 00 60 EepromOscillator x A Frequency adjustment 0002 1B ModulationDeviation x A Modulation adjustment 0020 0024 RFPI ID for Base Unit x A RFPI 0025 0026 00 00 AC Base PIN code x D AC code 0028 00 TBR22Test x D TBR22 test 0...

Page 72: ...ion Bit 0 2 Mode 0 Learn mode 1 DTMF only 2 FSK only 3 Generic mod 4 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 Parse Configuration 3D 08 D Clip parse set configuration Bit 0 Etsi 1 enable 0 disable 1 ForwardNumber 1 enable 0 disable 2 Danish 1 enable 0 disable 3 Dutch 1 enable 0 disable 4 Canadian 1...

Page 73: ... selection 0 time A 1 time B 4 Greeting Monitor mode ON OFF 0 OFF 1 ON 5 Reserve 6 VOX sense selection 0 Normal 1 Low 7 DSC time selection 0 immediately 1 1 6sec 0F62 00 TamPrgRings x D Current number of rings for automatic answering Range 0 Auto 2 7 0F63 0F64 FF TamPrgRmtCode x D Current Remote code e g 123 Address 0x0F63 0xF1 Address 0x0F64 0x23 0F65 10 CountryData 18 D Each country data Bit 0 R...

Page 74: ...ask settings Address Default Name Country Setting Type Description 0F6E 01 Config 03 D BsUiTask configuration MSB Bits 1 enable 0 disable 0 AmPmClockSettingEnabled enabled 1 ClipDetectionSettingEnabled disabled 2 AkzMenuEnabled disabled 3 HakzMenuEnabled disabled 4 RussianClipSttingEnabled disabled 5 SmscSendNumberSettingEnabled disabled 6 SMSPabxSupportSettingEnabled disabled 7 ARSDisablePossible...

Page 75: ...t value 28 3 EEPROM contents 28 3 1 General Setup Address Default Name Country Setting Type Description 0000 0001 00 60 EepromOscillator A Frequency adjustment 0002 0A ModulationDeviation A Mudulation adjustment 0030 0034 00 IPEI ID for Handset A IPEI 0036 003A PARK_1 ID for Base 1 PARK for registration 1 003B 003F PARK_2 ID for Base 2 PARK for registration 2 0040 0044 PARK_3 ID for Base 3 PARK fo...

Page 76: ...ith at least this number of digits we have a match Or if they match completely with less digits we also have match 28 3 2 Battery Parameters Address Default Name Type Description 0F04 9A LowVoltage A Voltage on which to start battery low indication The voltage has to be measured under this value for 8 seconds before the handset start signaling low battery LowVoltage eeprom ADC steps LowVoltage mV ...

Page 77: ...Setting for RingerVolume 6 F5D 11 SpPhGX index x A Gain transmit for speakerphone values ranging from 0x00 to 0x24 each step representing 1 dB The index represent volumestep 3 F5E 98 SpPhGR index x D Bit7 AOG when speakerphone Bit6 AOG2 when speakerphone Gain receive for speakerphone values ranging from 0x00 to 0x21 each step representing 1 dB The index represent volumestep 3 28 3 4 Menu Configura...

Page 78: ...o 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 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated 29 3 Modification Procedure of Bridge 1 Ad...

Page 79: ...30 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 79 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 80: ...RICAL PARTS LOCATION HANDSET Note 1 The rechargeable Ni MH battery HHR 4EPT and Ni Cd battery P 4NPT are available through sales route of Panasonic 80 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 81: ...32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 81 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 82: ...33 ACCESSORIES AND PACKING MATERIALS 33 1 KX TCD445BXS BXT BXF 82 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 83: ...33 2 KX A144BXS BXT BXF 83 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 84: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 34 2 Handset 34 3 Charger Unit 84 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 85: ...PQJT10203Z TERMINAL 4 PQKE10356Z1 GUIDE CHARGE TERMINAL CASE POM HB 5 PQSA10131Z ANTENNA MAIN 6 PQSA10132Z ANTENNA SUB 7 PQYF10560Z9 CABINET COVER for KX TCD445BXS ABS HB 7 PQYF10560Z6 CABINET COVER for KX TCD445BXT ABS HB 7 PQYF10560ZA CABINET COVER for KX TCD445BXF ABS HB 8 PQGT16916Y NAME PLATE for KX TCD445BXS 8 PQGT16918Y NAME PLATE for KX TCD445BXT 8 PQGT16917Y NAME PLATE for KX TCD445BXF 9 ...

Page 86: ...V1H103KBV 0 01 C16 PQCUV1A105KB 1 Ref No Part No Part Name Description Remarks C17 ECUV1H103KBV 0 01 C18 PQCUV1A105KB 1 C19 PQCUV1C104KB 0 1 C21 ECEA1HKS100 10 S C24 ECKD2H102KB2 0 001 S C25 ECKD2H102KB2 0 001 S C26 ECUV1C104KBV 0 1 C27 ECUV1H151JCV 150P S C28 ECUV1C104KBV 0 1 C29 ECUV1C104KBV 0 1 C30 ECUV1C104KBV 0 1 C31 ECUV1H100DCV 10P C32 ECUV1H100DCV 10P C33 ECUV1H100DCV 10P C34 ECUV1H100DCV ...

Page 87: ...BXS BXT BXF ICs IC1 C2HBAK000013 IC IC2 PQWI1D440ER IC 2 IC101 C1BB00000265 IC TRANSISTORS Q1 B1CFMC000006 TRANSISTOR SI Q2 B1ADGE000004 TRANSISTOR SI Q3 UN5216 TRANSISTOR SI S Q101 UN521 TRANSISTOR SI S Q102 UN521 TRANSISTOR SI S Q103 UN521 TRANSISTOR SI S DIODES D1 B0JCME000035 DIODE SI D3 MA2Z74800L DIODE SI D6 MA8047 DIODE SI S Ref No Part No Part Name Description Remarks D7 MA8047 DIODE SI S ...

Page 88: ...6Z WEIGHT 200 7 PQYF10563Z9 CABINET COVER for KX A144BXS PS HB 200 7 PQYF10563Z5 CABINET COVER for KX A144BXT PS HB 200 7 PQYF10563Z0 CABINET COVER for KX A144BXF PS HB 200 8 PQGT17279Z NAME PLATE for KX A144BXS 200 8 PQGT17280Z NAME PLATE for KX A144BXT 200 8 PQGT17278Z NAME PLATE for KX A144BXF 35 3 2 Main P C Board Parts Ref No Part No Part Name Description Remarks PCB200 PQWPA142ESCH MAIN P C ...

Page 89: ... DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology 36 3 Charger Unit SCHEMATIC DIAGRAM CHARGER 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 developme...

Page 90: ... TP2 33 R59 33 R60 TP5 2 8V K0 1 C44 10K R65 J102 1 J103 1 J104 1 J101 1 J105 1 4 0V TP13 10K R64 10K R63 RLY1 NC 1 2 3 4 7 8 9 10 D4 4 7K R68 M4 7V D11 M4 7V D12 J100P C71 20V D14 K1000P C72 K0 01 C3 K0 01 C4 180K R6 K0 1 C91 1 A0 2 A1 3 A2 4 GND 5 SDA 6 SCL 7 WP 8 VCC 3 ADJ 2 VOUT 1 VIN 4 VOUT C11 5 6K 6 3V330 C39 TP106 Q2 2 8V J1 1 GND 2 DC_PLUG 1 CHARGE 2 CHARGE C8 NC NC C10 C9 NC NC C5 NC C87...

Page 91: ...K R37 10K R36 2 8V Q8 1K R38 C56 0 R78 150K TP105 TP104 TP103 TP102 TP101 C50 1 0K C51 1 0K C52 Z1 0 D9 NC 1 3 2 2 8V K0 015 C46 4 0V C60 J33P L2 4 7uH 5 RSSI 6 VCC_OC 7 GND 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PSEL 25 PAON 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 GND 2 GND 3 TXDA 4 R8...

Page 92: ...C2 5 C1 6 C0 7 S29 8 S28 9 S27 10 S26 11 S25 12 S24 13 S23 14 S22 15 S21 16 S20 17 S19 18 S18 19 S17 20 S16 21 S15 22 S14 23 S13 24 S12 25 S11 26 S10 27 S9 28 S8 29 S7 30 S6 31 S5 32 S4 33 S3 34 S2 35 S1 36 S0 R3 56 Q1 G S D TP4 TP10 C30 K0 1 TP4V X1 10 368MHz C17 J18P C14 6 3V330 L5 10uH TP6 C16 C1P Q102 Green LED101 Q101 R101 82 Green LED102 R102 82 Green LED103 R103 82 Green LED106 Green LED105...

Page 93: ...470 R8 470 TP11 R17 56 R20 56 C31 D10P C12 D10P TP102 IC101 1 CD 2 FC2 3 FC1 4 VIN 5 VO1 6 VCC 7 GND 8 VO2 56K R107 K0 1 C109 D101 68K R108 TP101 K0 1 C105 10K R109 D10P C110 D10P C111 D10P C108 D10P C103 K0 1 C107 K2200P C102 K1 0 C106 C65 D10P C206 K4 7 C209 D10P C62 K1 0 C64 K1 0 C56 C2P C55 C2P L6 2 7nH C208 D10P C67 C2P C116 D10P C115 D10P C202 C0 5P D7 M4 7V D6 M4 7V C207 NC NC C104 NC C101 ...

Page 94: ...MATIC DIAGRAM CHARGER UNIT TP3 R2 27 TP4 D1 2 1 J1 pinL DC_PLUG 22 Charge_minus TP1 TP2 R1 Charge_plus SCHEMATIC DIAGRAM CHARGER UNIT 94 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF ...

Page 95: ...86 C37 C67 C76 C69 C83 C85 C96 C32 C94 R50 Q8 Q12 Q9 B C E R41 R43 R47 R57 R80 R64 R62 R57 R61 R83 R84 D10 R79 L3 Q3 Q4 Q7 Q5 Q11 Q13 Q10 Q6 Q2 R1 R42 R44 R3 C1 C28 CS 14 1 1 1 1 4 5 8 16 17 32 1 11 28 15 INT SDX SDR SCLK C26 C91 C44 C63 C84 C64 C34 C61 C54 C55 R86 C58 R82 C39 C99 C100 C97 C45 L2 37 36 C72 C71 C60 C68 C80 C 6 6 C62 C73 C79 C82 C81 C65 C74 28 18 ANT C6 C8 C3 C4 C9 C41 C40 73 72 C10...

Page 96: ...202 TP201 TP5 GND MODE SCL SDA VDD J105 J102 J104 J103 J101 CHARGE CHARGE KX TCD445BXS BXT BXF CIRCUIT BOARD BASE UNIT Flow Solder Side View IC3 Output 2 8V CHARGE CHARGE IC2 Input 5 5V IC2 Output 4 0V RF Clock 10 368MHZ PbF KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF 96 ...

Page 97: ...7 R17 L3 L6 C57 MCLK C21 C25 R19 IC1 IC2 F1 5 8 4 1 C27 Q103 TP1 TP101 TP102 R18 C56 TP2 11 18 28 1 C2 C20 C23 C18 REG L5 L4 R21 R22 R6 X1 Q1 BATT TP17 TP16 TP4V R105 R106 C101 D101 D102 Q101 R109 C106 R110 R101 R102 R103 C107 C12 C116 C206 C207 C203 C202 C204 C201 C67 C60 C66 C63 C64 C65 C54 C55 C62 R23 C208 C209 C108 C109 C102 R108 C103 C104 C111 C105 IC101 5 8 1 POWER GND SCL SDA TP21 TP20 IC3 ...

Page 98: ...D HANDSET Flow Solder Side View 1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 LED101 LED107 LED108 SP_ LED104 LED106 LED105 LED102 LED103 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF 98 ...

Page 99: ...D CHARGER UNIT Component View 42 2 Flow Solder Side View PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View 99 KX TCD445BXS KX TCD445BXT KX TCD445BXF KX A144BXS KX A144BXT KX A144BXF G KXTCD445BXS KXTCD445BXT KXTCD445BXF KXA144BXS KXA144BXT KXA144BXF ...

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