Panasonic KX-TCD400RUB Service Manual Download Page 69

Page: 69 / 81

Note:
1. RTL (Retention Time Limited)

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. After the end of this
period,the assembly will no longer be available.

2. Important safety notice

Components identified by the

mark indicates special

characteristics important for safety. When replacing any of
these components, only use specified manufacture´s parts.

3. The S mark means the part is one of some identical parts.

For that reason,it may be different from the installed part.

4. RESISTORS & CAPACITORS

Unless otherwise specified;
All resistors are in ohms (

Ω

) K=1000

Ω

,M=1000k

Ω

All capacitors are in MICRO FARADS (µF) P=µµF
*Type & Wattage of Resistor

33.1. Base Unit

33.1.1. Cabinet and Electrical Parts

Ref.

No.

Part No.

Part Name & Description

Remarks

PQGG10154Z3

GRILLE (for KX-TCD400RUB)

ABS-HB

PQGG10154Z2

GRILLE (for KX-TCD400RUC)

ABS-HB

PQGG10154Z1

GRILLE (for KX-TCD400RUF)

ABS-HB

PQKM10586Y2

CABINET

BODY

(for

KX-

TCD400RUB)(for KX-TCD400RUC)

ABS-HB

PQKM10586Y1

CABINET

BODY

(for

KX-

TCD400RUF)

ABS-HB

PQGT15982Z

NAME PLATE (for KX-TCD400RUB)

PQGT15981Z

NAME PLATE (for KX-TCD400RUC)

PQGT15649Z

NAME PLATE (for KX-TCD400RUF)

PQJT10203Z

TERMINAL

PQKE10356Z1

GUIDE, CHARGE TERMINAL CASE

POM-HB

PQSA10131Z

ANTENNA, MAIN

Ref.

No.

Part No.

Part Name & Description

Remarks

PQSA10132Z

ANTENNA, SUB

PQYF10560Z2

CABINET

COVER

(for

KX-

TCD400RUB)(for KX-TCD400RUC)

ABS-HB

PQYF10560Z1

CABINET

COVER

(for

KX-

TCD400RUF)

ABS-HB

33.1.2. Main P.C.Board Parts

Ref.

No.

Part No.

Part Name & Description

Remarks

PCB1

PQWP1D400RUH MAIN P.C.BOARD ASS´Y (RTL)

(ICS)

IC1

PQWI1D400RUH IC

IC2

C2HBAK000004 IC

IC3

J3FKK0000003 IC

PQVILM1117MP IC

(TRANSISTORS)

2SA1625

TRANSISTOR(SI)

PQVTBF822T7

TRANSISTOR(SI)

2SD1994A

TRANSISTOR(SI)

B1ABCE000009 TRANSISTOR(SI)

B1ADGE000004 TRANSISTOR(SI)

(DIODES)

PQVDS1ZB60F1 DIODE(SI)

MAZY30000L

DIODE(SI)

B0JAME000085 DIODE(SI)

MA2Z74800L

DIODE(SI)

DA1

B0DDCM000001 DIODE(SI)

(COILS)

PQLQR4D4R7K

COIL

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

10K

R10

ERJ3GEYJ222

2.2K

R12

PQ4R18XJ000

R16

ERJ3GEYJ133

13K

R18

ERJ3GEYJ392

3.9K

R19

ERJ12YJ220

R20

ERJ12YJ560

R21

ERJ3GEYJ104

100K

R22

ERJ3GEYJ333

33K

R23

ERJ3GEYJ560

R24

PQ4R18XJ100

R25

ERJ3GEYJ151

150

R26

ERJ3GEYJ103

10K

R27

ERJ3GEYJ222

2.2K

R28

ERJ3GEYJ751

750

R29

ERJ3GEYJ101

100

R30

ERJ3GEYJ101

100

R31

ERJ3GEYJ101

100

R32

ERJ3GEYJ560

R38

ERJ3GEYJ330

R41

ERJ3GEYJ101

100

R42

ERJ3GEYJ221

220

R43

ERJ1WYJ330

R44

ERJ1WYJ330

R52

ERJ3GEY0R00

R53

ERJ3GEYJ565

5.6M

R54

ERJ3GEYJ184

180K

R57

ERJ3GEYJ103

10K

33 REPLACEMENT PARTS LIST

KX-TCD400RUB / KX-TCD400RUC / KX-TCD400RUF / KX-A140RUB / KX-A140RUC / KX-A140RUF

Summary of Contents for KX-TCD400RUB

Page 1: ...Unauthorized copying and distribution is a violation of law KX TCD400RUB KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF Digital Cordless Phone Black Version Dark Blue Version Light Purple Version for Russia Telephone Equipment ORDER NO KM40306103C3 ...

Page 2: ...EMBLY INSTRUCTIONS 27 10 1 Warning When Constructing the Base Unit 27 11 TROUBLESHOOTING GUIDE 28 11 1 Check Power 29 11 2 Check Battery Charge 30 11 3 Check Link 31 11 4 Check Handset Transmission 33 11 5 Check Handset Reception 33 11 6 Bell Reception 34 12 CHECK PROCEDURE BASE UNIT 35 12 1 Preparation 35 12 2 PC Setting 35 13 CHECK PROCEDURE HANDSET 36 13 1 Preparation 36 13 2 PC Setting 36 14 A...

Page 3: ...CATION HANDSET 66 31 ACCESSORIES AND PACKING MATERIALS 67 32 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 68 32 1 Base Unit 68 32 2 Handset 68 33 REPLACEMENT PARTS LIST 69 33 1 Base Unit 69 33 2 Handset 70 33 3 Accessories and Packing Materials 71 33 4 Fixtures and Tools 71 33 5 Memo 72 34 SCHEMATIC DIAGRAM BASE UNIT 73 35 SCHEMATIC DIAGRAM HANDSET 75 36 CIRCUIT BOARD BASE UNIT 77 36 1 Compone...

Page 4: ... 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 which...

Page 5: ...t View TP89 TP188 TP91 TP1 TP97 TP50 TP45 TP40 TP5 1 2 4 6 5 TP90 TP101 TP2 TP3 TP39 TP187 GND VBACK SCL SDA 2 65V TP82 TP84 CHARGE J105 J102 J104 J103 J101 CHARGE PbF Marked Flow Solder Side View Note The locations of the PbF mark are subject to change without notice 5 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 6: ...omponent View Marked 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 Flow Solder Side View Note The locations of the PbF mark are subject to change without notice 6 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 7: ... 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 recommendenced by the manufacturer Dispose of used batteries according to the manufacture s Instructions 7 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC K...

Page 8: ...ore 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 In normal use the handset and the base unit should be powered on at all times Note for Service The battery strength may not be indicated correctly if the battery is disconnected and connected again even after it is fully charged In tha...

Page 9: ...icon flashes 4 4 Replacing the Batteries If the icon flashes after a few telephone calls even when the handset batteries have been fully charged 2 batteries must be replaced Charge new batteries for approximately 7 hours before initial use The telephone line cord must not be connected to the telephone socket at this time When replacing the batteries ensure that the correct battery type is selected...

Page 10: ...5 LOCATION OF CONTROLS 5 1 Base Unit 5 2 Handset 10 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 11: ...r 1 2 3 4 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 11 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 12: ... 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 be able to enter new PIN 12 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 13: ... 2 Plug in AC adaptor to the base 3 Turn on the power to the JIG 9V 4 Then connect the cable to each pins using clip As for the connection between JIG and PCB see below photos Clip Base PCB G N D S D A S C L 2 7V MODE SDA SCLK GND J104 J103 J102 J101 J100 PC setting and how to reset base PIN to default 0000 1 Refer to PC Setting P 35 2 Next execute initbspin bat by typing initbspin The PC display ...

Page 14: ...able options Flash Timing 700 msec All Handsets Specific Handset No Pause Timing 3 seconds 3 seconds 5 seconds 4 Digit Base Unit PIN 0000 Dialling Mode Pulse Tone Pulse ARS Setting OFF ON OFF Carrier Code All Clear Area Code All Clear Relation of Area Code All Area Code to Carrier Code 1 1 to 5 You can reset all of the handset settings to their initial settings 14 KX TCD400RUB KX TCD400R UC KX TCD...

Page 15: ...s on emergency calls cannot be made until key lock is cancelled is displayed Refer to Handset Display P 19 and all dialling buttons are locked 6 6 Recall Feature RECALL is used to access special telephone services Contact your Network provider for details If your unit is connected to a PBX pressing RECALL allows you to access some features of your host PBX such as transferring an extension call 6 ...

Page 16: ...ad reset the handset to its initial settings Press MENU DOWN RIGHT UP RIGHT 4 digit Handset PIN UP OK All handset setting will be reset to their initial settings however the Phonebook data will be saved 6 10 Select Dialling Mode Tone Pulse You can change the dialling mode to tone or pulse depending upon your network service If you have a touch tone service select tone If you have rotary or pulse s...

Page 17: ...l automatically be dialled Please contact your telephone company regarding the carrier telephone charges 6 12 1 Storing the Carrier Code s Firstly you must subscribe to a second carrier network service You can subscribe to a limit of 5 carrier services Then store the code as follows To exit the operation press any time 1 The factory preset is 0000 6 12 2 Storing the Area Code s Store the area code...

Page 18: ...s been stored If only one carrier code has been stored any area codes you store up to 25 will automatically be dialled with that carrier code To exit the operation press any time 1 The factory preset is 0000 2 If you need more relating area codes to carrier codes repeat the steps from 5 6 12 4 Automatic Route Selection On Off To exit the operation press any time 1 The factory preset is 0000 18 KX ...

Page 19: ... These operations need to be done with the Handset near the base unit Press Press or until the arrow points to then press is displayed 1 1 If any key is not pressed over 60 seconds the display will return to Setting Base 2 Refer to PIN Code P 12 for more details 7 1 Handset Display 19 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 20: ...our Network provider If it operates correctly then the problem is likely to be a fault in your apparatus In this case contact your supplier for advice Your Network provider may charge you if they attend a service call that is not due to apparatus supplied by them Turn the power OFF then ON Handset Disconnect then connect the AC adaptor Base Unit Cross Reference Power On Off P 21 Call BAR On Off Ca...

Page 21: ...ing 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 Setting the Clock Date After a mains power failure the clock needs to be reset Ensure that icon is not flashing To exit the operation press any time 1 For example to set 7 15 enter 0715 2 For example to set the 16th of February 2003 enter 160203 21...

Page 22: ... 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 To enter characters see Character Selection below 2 To continue storing another caller information repeat the steps from 3 22 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 23: ... 5 4 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 8 5 To continue clearing another caller information repeat the steps from 2 8 5 2 Storing the Phone Number into the Phonebook When Pre dialling To exit the operation press any time 1 If you need correction press CLEAR Digit is cleared to the left then enter numb...

Page 24: ... or added to the left of the flashing digit 8 5 4 Hot Key Speed Dial You can assign the dialling buttons 1 through 9 as hot keys You can choose 9 phone numbers from the phonebook 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 remain...

Page 25: ...SSEMBLY 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 25 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 26: ...Handset Shown in Fig To Remove Remove 3 Rear Cabinet Screws 2 10 B 2 4 Main P C Board Screw 2 8 C 1 Screws 2 8 D 2 Main P C Board 26 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 27: ...he 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 27 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 28: ...9 Bell Reception P 34 Check Battery Charge P 30 Check Link P 31 Check Handset Transmission P 33 Check Handset Reception P 33 SIGNAL ROUTE P 54 11 TROUBLESHOOTING GUIDE 28 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 29: ...Reference Power Supply Circuit Reset Circuit P 53 Note BBIC is IC2 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 29 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 30: ...Charge Cross Reference Check Power P 29 Charge Circuit P 53 Note BBIC is IC1 11 2 1 Base Unit Cross Reference Charge Circuit P 53 11 2 2 Handset 30 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 31: ...11 3 Check Link 11 3 1 Base Unit Cross Reference Power Supply Circuit P 50 Adjustment P 37 31 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 32: ...11 3 2 Handset Cross Reference Power Supply Circuit P 50 Adjustment P 42 32 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 33: ...ansmission Cross Reference SIGNAL ROUTE P 54 11 5 Check Handset Reception Cross Reference HOW TO CHECK THE HANDSET SPEAKER P 46 SIGNAL ROUTE P 54 33 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 34: ...eception Cross Reference Telephone Line Interface P 51 Check Link P 31 Note BBIC is IC1 11 6 1 Base Unit Note BBIC is IC2 11 6 2 Handset 34 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 35: ...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 readid and the registered ID ...

Page 36: ... 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 addr...

Page 37: ...R36 D5 C41 R41 R42 Q9 C40 D4 X1 C32 C33 C36 C37 B 4 0V Supply Confirmation 1 Confirm that the voltage between TP91 and GND is 4 0V 0 2V D4 C40 Q9 R41 R42 C41 D5 C75 C78 C69 C66 C67 C76 IC3 C VBACK Status Confirmation 1 Confirm that the voltage between J102 and GND is 0V 0 4V IC2 Q8 C23 C24 C25 C26 C27 C38 R33 R36 D5 C41 R41 R42 Q9 C40 D4 R33 X1 C32 C33 D BBIC Confirmation 1 BBIC Confirmation Execu...

Page 38: ...ta type Fig31 5 Adjust the B Field Modulation if required Execute the command readmod and wrtmod xx where xx is the value IC2 IC3 L1 C43 C78 C75 C69 C48 C72 C66 C67 C76 C57 C73 L3 DA1 R66 R67 C55 C56 R78 R79 C54 C58 C86 R38 J Frequency Offset Confirmation Follow steps 1 to 3 of H above 4 Confirm that the frequency offset is 40kHz IC2 IC3 L1 C43 C78 C75 C69 C48 C72 C66 C67 C76 C57 C73 L3 DA1 R66 R6...

Page 39: ...D60 as follows Setting Test mode FP Mode Normal PMID 0000 2 Execute the command testmode 3 Initiate connection from DECT tester 4 Execute the command hookoff 5 Execute the command openau 6 Connect J1 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 On...

Page 40: ... C40 D4 SA1 C77 RLY1 C3 C15 LED1 R68 R35 4 1 5 8 R43 R44 R45 A201 A202 L1 R42 R41 R78 R79 Q9 C55 C53 C41 C43 C68 C48 C38 C27 C26 C29 C21 R57 C28 C12 C11 C9 C51 C22 C10 C1 C2 C63 D8 D1 D3 D7 L2 C4 C6 C7 C62 PbF C60 C49 C74 R82 R81 R85 C5 C8 C23 C24 X1 C34 C33 C35 C36 C30 C32 C37 C50 1 L3 C70 C57 C83 C85 C73 C71 C56 28 18 IC3 IC2 IC1 11 64 1 49 33 ANT C66 C72 C58 C54 DA1 C81 C87 C84 C82 C75 C86 C78 ...

Page 41: ...104 J103 J101 CHARGE PbF Frequency Counter E Digital Volt Meter C P To PC JIG Digital Volt Meter Digital Volt Meter D E F G H N O A Digital Volt Meter B 12Ω 2W DTMF tester Tel Simulator F N O G Note A P is refered to ADJUSTMENTS BASE UNIT P 37 K X T C D 4 0 0 R U B K X T C D 4 0 0 R U C K X T C D 4 0 0 R U F K X A 1 4 0 R U B K X A 1 4 0 R U C K X A 1 4 0 R U F 41 ...

Page 42: ...C2 C14 Q1 R3 R2 D2 R22 C26 X1 C16 C17 B VBACK Status Confirmation 1 Confirm that the voltage between TP18 and GND is 0V 0 4V IC1 F1 R21 R4 C33 L2 D1 C15 C2 C14 Q1 R3 R2 D2 R22 C26 R16 X1 C16 C17 C 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 IC1 X1 C16 C17 D Charge Control Check...

Page 43: ...z div 402kHz div using data type Fig31 6 Adjust the B Field Modulation if required Execute the command Readmod and Writemod xx where xx is the value IC1 IC3 C54 C66 C60 L3 C57 C55 C56 C62 R23 R24 C63 C64 C65 R18 K Frequency Offset Confirmation Follow steps 1 to 4 of I above 5 Confirm that the frequency offset is 40kHz IC1 IC3 C54 C66 C60 L3 C57 C55 C56 C62 R23 R24 C63 C64 C65 R18 L Sensitivity Rec...

Page 44: ... R18 P Transmit Audio Check and Confirmation TP15 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 r...

Page 45: ...C27 TP18 C20 C23 C18 L5 L4 R21 R6 C24 X1 Q1 C31 TP19 TP13 TP17 TP14 TP16 TP12 TP3 TP4 TP10 BAT GND SCL SDA C57 C64 C56 C55 11 18 1 28 IC3 C60 DECT tester CMD60 I J K L M N O P Frequency Counter H Digital Volt Meter A Digital Volt Meter B C E F H I O P DC 6V Oscilloscope Current Probe D E D D TP5 TP6 TP7 TP8 DC 2 20V 2 40V F G To PC JIG AF SG DECT TESTER CMD60 AF Volt Meter DECT TESTER CMD60 Note A...

Page 46: ...dset Item Value Refer to Remarks TX Power More than 20 dBm 25 dBm Adjustment I Modulation 340 kHz div 402 kHz div Adjustment J Data type Fig31 Frequency Offset 40 kHz 40 kHz Adjustment K RX Sensitivity 1000 ppm Adjustment L Timing Accuracy 10 ppm Adjustment M RSSI Level 0x34 hex A hex Adjustment N Refer to Adjustment P 42 17 HOW TO CHECK THE HANDSET SPEAKER 1 Prepare the digital voltmeter and set ...

Page 47: ... 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 47 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RU...

Page 48: ... IC3 4 0V Reg 2 65V Reg 4 0V 2 65V VUNREG 40 41 28 24 61 9 6 30 11 63 64 6 5 6 4 RF Module 20 30 10 33 CHARGE CONTACT 18 16 XTAL X1 10 368 MHz DTXAF DTXAF 27 26 Bell Caller ID Interface ANT1 ANT2 to Tel_Line A B to AC Adaptor Limit Register Bridge Rect D2 Hook Switch Q2 Q3 KX TCD400RUB RUC RUF BLOCK DIAGRAM BASE UNIT K X T C D 4 0 0 R U B K X T C D 4 0 0 R U C K X T C D 4 0 0 R U F K X A 1 4 0 R U...

Page 49: ...ho suppression DSP section Any tones tone sidetone 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 LED Analog Front End etc RF Module IC3 PLL Oscillator Detector Compress Expander First Second Mixer Amplifier for transmission and reception EEPROM IC1 Temporary operating par...

Page 50: ...C Adaptor 6V as shown in Fig 101 The power supply is as follows DECT BBIC IC2 J2 6V D4 Q9 D5 Q8 IC2 RF Module IC3 J2 6V D4 Q9 IC3 EEPROM IC1 J2 6V D4 Q9 D5 Q8 IC2 IC1 LED LED1 J2 6V D4 Q9 R68 LED1 Charge Contact TP84 J2 6V D4 R43 R44 TP84 Fig 101 50 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 51: ...analog part of IC2 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 DECT frame assigning to a time slot and channel etc In IC3 the carrier frequency is changing and frequency modulated RF signal is generated and amplified and radiated from antenna Ha...

Page 52: ...23 13 RF Module ANT BATTERY TERMINAL TP3 TP4 CHARGE CIRCUIT Q2 CHARGE CHARGE DETECT SWITCHED SUPPLY Q1 CHARGE CONTACTS TP5 4 0V VDDBAT VDDLR SWITCH 31 XTAL 10 368 MHz KEYPAD COLUMNS ROWS LCD 14 Seg Display ON SWITCH 38 27 26 36 37 28 2 5 9 COM 0 5 segment 0 29 1 87 EARPIECE 42 41 45 17 21 53 55 59 60 34 Burst Encoding Burst Decoding TP6 D3 X1 90 100 72 76 78 84 61 62 56 58 52 KX TCD400RUB KX TCD40...

Page 53: ...arging the handset on the Base Unit the charge current is as follows DC 5 5V 6V D4 R43 R44 CHARGE Base CHARGE Handset L4 Q2 F1 BATTERY Battery BATTERY R21 GND L5 CHARGE Handset CHARGE Base 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 50 22 4 Battery Low ...

Page 54: ...23 SIGNAL ROUTE 54 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 55: ...ne_N A I for Bell Clip 28 Audio_In_N A I 29 ADC_Ref A I 30 RSSI A I 31 AD2 MPCINP A I for Polarity 32 AD3 A I for Polarity 33 NO USE D I I_PU 34 NO USE D I I_PU 35 NO USE D I I_PU 36 NO USE D I I_PU 37 VDD 38 VSS 39 Supply_EEP D O Fixed 40 Serial_Data I2C D I O Data Data 41 Serial_Clk I2C D O Active Active 42 MODE D I Fixed 43 NO USE D O Fixed 44 NO USE D O I_PD 45 NO USE A I Fixed 46 NO USE I_PD ...

Page 56: ...ion I O Hi Hi z Low Remarks 63 ANT1 D O ANT1_ON ANT1_OFF 64 ANT2 D O ANT2_ON ANT2_OFF Note I_PU Internal Pull Up I_PD Internal Pull Down 56 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 57: ...tive 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 58: ...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_SEGM...

Page 59: ... 0xFF word FFFFh i e it has never been set EEPROM location which is not set at all d default Same as D but best guess value and or not verified Country Setting x Default no specific country setting so revert to default value 26 3 EEPROM Layout 26 3 1 General Setup Address Default Name Country Setting Type Description 0000 01 00 E0 EepromOscillator x A Frequency adjustment 0002 20 ModulationDeviati...

Page 60: ...fault Name Country Setting Type Description 0F4B 01 Config1 13 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 Unused 0F4C F7 Config2 D7 D BsUiTask con...

Page 61: ...eral Setup Address Default Name Type Description 0000 0001 00 EepromOscillator A Frequency adjustment 0002 20 ModulationDeviation A Mudulation adjustment 0030 0034 00 IPEI ID for Handset A IPEI 0036 003A FF PARK_1 ID for Base 1 PARK for registration 1 003B 003F FF PARK_2 ID for Base 2 PARK for registration 2 0040 0044 FF PARK_3 ID for Base 3 PARK for registration 3 0045 0049 FF PARK_4 ID for Base ...

Page 62: ...ch 05 Turkish 06 Hungarian 07 Portuguese 08 Polish 09 Command 0A German 27 3 3 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 14 35 mV step Address Default Name Country ...

Page 63: ...f 1 0 bit 3 Page ringer menu on off 1 0 bit 4 Standby mode menu on off 1 0 bit 5 Battery select menu on off 1 0 bit 6 Call wating menu on off 1 0 bit 7 Clip list on off 1 0 0F54 01 RecVolStoreEnabled 00 D 00 Reciever volume will be reset to default value when hooking on 01 Reciever volume will be stored in eeprom when set in conversation 63 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A1...

Page 64: ...e PCB by temporarily soldering two diagonally opposite pins in the correct positions on the PCB Be certain each pin is located over the correct pad on the PCB 2 Apply flux to all of the pins on the IC 3 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 28 3 Modi...

Page 65: ...29 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 65 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 66: ...30 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 66 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 67: ...31 ACCESSORIES AND PACKING MATERIALS 67 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 68: ...32 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 32 1 Base Unit 32 2 Handset 68 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 69: ...MINAL CASE POM HB 6 PQSA10131Z ANTENNA MAIN Ref No Part No Part Name Description Remarks 7 PQSA10132Z ANTENNA SUB 8 PQYF10560Z2 CABINET COVER for KX TCD400RUB for KX TCD400RUC ABS HB 8 PQYF10560Z1 CABINET COVER for KX TCD400RUF ABS HB 33 1 2 Main P C Board Parts Ref No Part No Part Name Description Remarks PCB1 PQWP1D400RUH MAIN P C BOARD ASS Y RTL ICS IC1 PQWI1D400RUH IC S IC2 C2HBAK000004 IC IC3...

Page 70: ... KX TCD400RUC AS HB 101 PQGP10225Z1 PANEL LCD for KX TCD400RUF AS HB 102 PQKM10587Z3 CABINET BODY for KX TCD400RUB ABS HB 102 PQKM10587Z2 CABINET BODY for KX TCD400RUC ABS HB 102 PQKM10587Z1 CABINET BODY for KX TCD400RUF ABS HB 103 PQHS10553Z TAPE DOUBLE SIDE 104 PQHS10554Z SPACER LCD 105 PQBC10375Z1 PUSH BUTTON NAVI 106 PQSX10224R KEYBOARD SWITCH 20KEY for KX TCD400RUB 106 PQSX10224S KEYBOARD SWI...

Page 71: ...KBV 0 1 C31 ECUV1H100DCV 10P C33 ECUV1A225KB 2 2 C54 ECUV1H100DCV 10P C55 ECUV1H020CCV 2P C56 ECUV1H020CCV 2P C57 ECUV1H330JCV 33P C60 ECUV1A475KB 4 7 C62 ECUV1A105KBV 1 C63 ECUV1H100DCV 10P C64 ECUV1A105KBV 1 C65 ECUV1H020CCV 2P C66 ECUV1H020CCV 2P OTHERS E101 L0CBAB000052 MICROPHONE E102 PQWLA141E LCD ASS Y X1 H0D103500002 CRYSTAL OSCILLATOR 33 3 Accessories and Packing Materials Ref No Part No ...

Page 72: ...33 5 Memo 72 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF ...

Page 73: ... 10K R9 K0 022 C3 100K R7 TP5 33 R43 TP84 33 R44 4 0V R77 0 J2 1 GND 2 DC_PLUG 5 6M R53 180K R54 K0 01 C49 180K R82 K0 01 C74 5 6M R81 TP3 TP101 K3300P C7 J105 1 J101 1 J104 1 J103 1 VBACK 2 65V J102 1 680P 500V C2 C77 250V0 47u C6 NC C63 NC C60 NC C62 NC C5 NC D1 NC LED1 NC D8 0 D7 0 JMP3 NC NC JMP5 JMP7 NC JMP2 NC NC JMP8 JMP4 NC JMP6 NC JMP1 NC L2 NC R85 12K R68 NC NC R45 R72 NC NC R70 R74 NC R...

Page 74: ...5 D10P C21 100 R31 K0 1 C20 D3 22 R19 TP97 150 R25 750 R28 33K R22 K0 22 C14 K0 027 C11 56 R20 TP50 Q6 13K R16 100K R21 R12 0 56 R23 K1 0 C1 3 56 R32 K0 22 C22 R38 33 2 65V R52 0 IC3 5 RSSI 6 VCC_OC 7 8 SYCL 9 SYDA 10 SYEN 11 12 RXDSG 13 SYRI 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 24 PSEL 25 PAON 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND 1 2 3 TX...

Page 75: ... 1 S11 S7 S20 S5 S3 S18 S25 S23 S15 S16 S4 S22 S21 S8 S9 C18 K0 1 C20 K0 1 C21 K0 1 C22 K0 1 C23 K0 1 C27 K0 1 R11 0 R21 0 1 F1 S24 S19 S14 S2 S1 CN2 1 C5 2 C4 3 C3 4 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 TP10 TP8 TP12 TP7 S13 S...

Page 76: ...X1 TP13 C55 C2P C56 C2P C54 D10P TP17 TP16 C65 C2P C25 NC D5 NC C66 C2P TP15 IC3 5 RSSI 6 VCC_OC 7 GND 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PAON 25 GND 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 CN5 1 SP 2 SP D6 D7 TP19 R24 0 POWER SP 400µs typically 2 5V 0 5V 0V 1 25 7 6 5 4...

Page 77: ... C43 C68 C48 C38 C27 C26 C29 C21 R57 C28 C12 C11 C9 C51 C22 C10 C1 C2 C63 D8 D1 D3 D7 L2 C4 C6 C7 C62 PbF C60 C49 C74 R82 R81 R85 C5 C8 C23 C24 X1 C34 C33 C35 C36 C30 C32 C37 C50 1 L3 C70 C57 C83 C85 C73 C71 C56 28 18 IC3 IC2 IC1 11 64 1 49 33 ANT C66 C72 C58 C54 DA1 C81 C87 C84 C82 C75 C86 C78 C69 C88 C67 C76 Bell LED BBIC 44 Q8 Collector 2 65V Bell BBIC 26 Bell BBIC 27 X1 BBIC 18 10 368 MHz RESE...

Page 78: ... Input 5 5V TP89 TP188 TP91 TP1 TP97 TP50 TP45 TP40 TP5 1 2 4 6 5 TP90 TP101 TP2 TP3 TP39 TP187 GND VBACK SCL SDA 2 65V TP82 TP84 CHARGE J105 J102 J104 J103 J101 CHARGE PbF RF Clock 10 368MHz CHARGE K X T C D 4 0 0 R U B K X T C D 4 0 0 R U C K X T C D 4 0 0 R U F K X A 1 4 0 R U B K X A 1 4 0 R U C K X A 1 4 0 R U F ...

Page 79: ...C20 C23 C18 L5 L4 R21 R6 C24 X1 Q1 C31 TP19 TP13 TP17 TP14 TP16 TP12 TP3 TP4 TP10 BAT GND SCL SDA C57 C64 C56 C55 11 18 1 28 27 26 25 24 23 22 21 20 19 18 28 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 34 33 32 31 30 29 1 IC3 C60 TP2 SP BBIC 41 TP1 SP BBIC 42 TP14 4V RF Clock BBIC 23 10 368 MHz VDD 2 65V CDT BBIC 27 TP12 CN3 TP3 GND TP4 KX A140RUB RUC RUF CIRCUIT BOARD HANDSET Component View K X T C D...

Page 80: ...IT BOARD 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 K X T C D 4 0 0 R U B K X T C D 4 0 0 R U C K X T C D 4 0 0 R U F K X A 1 4 0 R U B K X A 1 4 0 R U C K X A 1 4 0 R U F ...

Page 81: ...81 KX TCD400RUB KX TCD400R UC KX TCD400R UF KX A140RUB KX A140RUC KX A140RUF M KXTCD400RUB KXTCD400RUC KXTCD400RUF KXA140RUB KXA140RUC KXA140RUF ...

Search results

Summary of Contents for KX-TCD400RUB

Reviews:

Related manuals for KX-TCD400RUB

Brands by name

Popular brands

Panasonic KX-TCD400RUB, Service Manual

Search results

Summary of Contents for KX-TCD400RUB

Reviews:

Related manuals for KX-TCD400RUB

Brands by name

Popular brands