Panasonic KX-A140RUC Service Manual Download

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KX-TCD400RUB

KX-TCD400RUC

KX-TCD400RUF

KX-A140RUB

KX-A140RUC

KX-A140RUF

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service

or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

When you note the serial number, write down all 11 digits. The serial number may be found on the bottom of the unit.

CONTENTS

Page

1 ABOUT LEAD FREE SOLDER (PbF: Pb free)........... ............... 4

1.1. Suggested PbF S older............................................................ 4

1.2. How to recognize that Pb Free solder is used.....................5

2 FOR SERVICE TECHNICIANS...................................................7

3 CAUTION...................................................................................7

4 BATTERY.................................................................................. 8

4.1. Battery Installation....................................................................8

4.2. Battery Charge..........................................................................8

4.3. Battery L ife ................................................................................ 9

4.4. Replacing the Batteries —...... -......................... -................... 9

5 LOCATION OF CONTROLS.....................................................10

5.1. Base U nit................................................................................. 10

5.2. Handset....................................................................................10

6 SETTINGS................................................................................11

6.1. Connection............................................................................... 11

6.2. Symbols Used in This Service M anual................................ 11

6.3. PIN C ode................................................................................. 12

6.4. Reset........................................................................................ 14

6.5. Key Lock.................................................................................. 15

6.6. Recall Feature.........................................................................15

6.7. Dialling Pause for PBX line/long distance service users ■

6.8. Call BAR On/Off (Call Prohibition O n/O ff).......................... 16

6.9. Selecting the Display Language........................................... 16

6.10. Select Dialling Mode (Tone/Pulse).......................................16

6.11. Select Flash Tim ing................................................................17

6.12. Automatic Route Selection....................................................17

6.13. Summary of Programmable Functions................................ 19

7 DISPLAY..................................................................................19

7.1. Handset Display......................................................................19

7.2. Before Requesting Help (Troubleshooting)........................ 20

8 OPERATIONS.......................................................................... 21

8.1. Power O n/O ff...........................................................................21

8.2. Making a C a ll...........................................................................21

8.3. Answering a C all..................................................................... 21

8.4. Setting the Clock/Date........................................................... 21

8.5. Phonebook.............................................................................. 22

9 DISASSEMBLY INSTRUCTIONS............................................. 25

9.1. Base U nit.................................................................................25

9.2. Handset................................................................................... 26

ASSEMBLY INSTRUCTIONS........................................ 27

10.1. Warning When Constructing the Base U nit.........................27

Page

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 ADJUSTMENTS (BASE UNIT)................................................. 37

14.1. Adjustment...............................................................................37

14.2. Adjustment Standard (Base Unit).........................................40

15 ADJUSTMENTS (HANDSET)................................................... 42

15.1. Adjustment...............................................................................42

15.2. Adjustment Standard (Handset)........................................... 45

16 RF SPECIFICATION.................................................................46

16.1. Base Unit................................................................................. 46

16.2. Handset....................................................................................46

17 HOW TO CHECK THE HANDSET SPEAKER.......................... 46

18 FREQUENCY TABLE (MHz).................................................... 47

19 BLOCK DIAGRAM (BASE UNIT)............................................. 48

20 CIRCUIT OPERATION (BASE UNIT)........................................49

20.1. O utline......................................................................................49

20.2. Power Supply Circuit.............................................................. 50

20.3. Telephone Line Interface....................................................... 51

20.4. Transmitter/Receiver...............................................................51

20.5. Pulse Dialing............................................................................ 51

21 BLOCK DIAGRAM (HANDSET)................................................52

22 CIRCUIT OPERATION (HANDSET).......................................... 53

22.1. Outline...................................................................................... 53

22.2. Power Supply Circuit/Reset Circuit...................................... 53

22.3. Charge Circuit......................................................................... 53

22.4. Battery Low/Power Down Detector...................................... 53

23 SIGNAL ROUTE.......................................................................54

24 CPU DATA (BASE UNIT)......................................................... 55

24.1. IC2 (BBIC)................................................................................55

25 CPU DATA (HANDSET)........................................................... 57

Summary of Contents for KX-A140RUC

Page 1: ...ting conditions Dimensions Base Unit D x W x L Dimensions Handset D x W x L Weight Base Unit Weight Handset Connection jack Standby 2 5 W Maximum 6 8W Stand by Up to 120 hours Ni MH Talk Up to 10 hours Ni MH 5 40 C 20 80 relative air humidity dry 58 mm x 128 mm x 105 mm 143 mm x 48 mm x 32 mm about 170 g about 120 g RJ11 to RJ11 plug Specifications are subject to change The illustrations used in t...

Page 2: ...ect Dialling Mode Tone Pulse 16 6 11 Select Flash Timing 17 6 12 Automatic Route Selection 17 6 13 Summary of Programmable Functions 19 7 DISPLAY 19 7 1 Handset Display 19 7 2 Before Requesting Help Troubleshooting 20 8 OPERATIONS 21 8 1 Power On Off 21 8 2 Making a Call 21 8 3 Answering a Call 21 8 4 Setting the Clock Date 21 8 5 Phonebook 22 9 DISASSEMBLY INSTRUCTIONS 25 9 1 Base Unit 25 9 2 Han...

Page 3: ...ELECTRICAL PARTS LOCATION BASE UNIT 65 30 CABINET AND ELECTRICAL PARTS LOCATION 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 andPacking Materials 71 33 4 Fixtures and Tools 71 33 5 Memo 72 34 SCHEMATIC DIAGRAM BASE UNIT 73 35...

Page 4: ...f using high temperature soldering iron please be careful not to heat too long 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 so...

Page 5: ...0RUF KX A140RUB KX A140RUC KX A140RUF 1 2 1 2 1 Note How to recognize that Pb Free solder is used Base Unit PCB Marked ____ П Component View Marked Flow Solder Side View The locations of the PbF mark are subject to change without notice 5 ...

Page 6: ... kX TCD400RUB I KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF 1 2 2 Handset PCB Marked Marked Flow Solder Side View Note The locations of the PbF mark are subject to change without notice 6 ...

Page 7: ...event recurring malfunctions 1 Cover the plastic parts boxes with aluminum foil 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 ...

Page 8: ...the handset on the base unit Please charge the batteries fo r about 7 hours before initial use During charging the battery icon is as shown below The handset which power is off will be turned on automatically when it is placed on the base unit 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 ba...

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

Page 10: ...KX TCD400RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUВ I KX A140RUC I KX A140RUF 5 5 1 5 2 LOCATION OF CONTROLS Base Unit Handset 10 ...

Page 11: ...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 Symbol Meaning To search the desired item press UP or DOWN G To select the desired item press RIGHT OO To search and then to select the desired item press UP or DOWN then RIGHT To move the cursor to the right or to the left press RIGHT or...

Page 12: ...ration press any time For Service Hint If the current 4 digit PIN is forgotten press Э Е and you will be able to enter new PIN 6 3 2 Handset 1 d D 2 G з G Press MENU Search Select Search Select SETTING HS OTHER OPT 4 G Search Select 5 C urren t 4 d ig it H andset PIN HSPIN CHANGE 6 New 4 d ig it H andset PIN 7 New 4 d ig it H andset PIN again to v e rify C hanging H andset PIN The factory preset i...

Page 13: ... JIGs and PC P 35 Connection 1 Solder a pin or lead wire to GND SDA and SCLK on base PCB 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 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 Th...

Page 14: ...use 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 6 4 2 Handset You can reset all of the handset settings to their initial settings 1 1 2 G 3 3 3 4 d ig it H andset PIN 1 Press MENU Search Select Search Select SETTING HS RES...

Page 15: ...et is turned off When the key lock is on emergency calls cannot be made until key lock is cancelled Key Lock On Key Lock Off II 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 fea...

Page 16: ...ou cannot read 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 rotar...

Page 17: ...en making long distance calls When area code s have been related to carrier codes you will need only dial the area code the lower costing carrier network will 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...

Page 18: ... carrier code has 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 1 H D 2 INPUT CODE 3 О Press MENU Search Select SETTING ...

Page 19: ...ing C D 4 digit Base Unit PIN C D Pause Tinning C D Changing Base Unit PIN C D Cancelling a Handset C D Ф 4 digit Base Unit PIN фC D Automaic Route Selection C D Reset Base Unit Settings C D Setting the Clock C D C D Setting the Date 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 DISPLAY 7 1 Handset Display Icon Displ...

Page 20: ...e batteries supplied Place handset in base and connect AC adaptor to base and AC outlet full charge period 7 hrs Batteries charge icon not counting up Dirty charge contact Base not powered up Clean charge battery contact and retry charge Connect AC adaptor to base unit and AC outlet T icon flashes Handset out of range of base No power into base unit Move handset closer to base Connect AC adaptor t...

Page 21: ...ne N um ber Press TALK Press TALK 1 If you need correction press CLEAR Digit is cleared to the left then enter numbers 8 3 Answering a Call Each ringer will start ringing with lower volume then gradually increase the volume when receiving a call 1 You can also answer a call by pressing any dialling button HOLD or X 8 4 Setting the Clock Date After a mains power failure the clock needs to be reset ...

Page 22: ...R 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 Character Selection Keys Number of times key is pressed Keys Number of times key is pressed 1 2 3 4 5 6 7 8 1 2 3 4 5 G l CD M N 0 6 CD A в С 2 CD p Q R s 7 o D E F 3 CD T U V 8 Q G...

Page 23: ...item To exit the operation press any time 1 If there is no item stored in the phonebook the display shows no ite m 2 Digits are cleared to the left of the flashing digit 3 Digits are added to the left of the flashing digit If you need to clear or add more than one digit repeat the steps from 5 4 Characters are added to the left of the flashing character If you need to clear or add more than one ch...

Page 24: ...t Key Speed Dial You can assign the dialling buttons 1 through 9 as hot keys You can choose 9 phone numbers from the phonebook Registering a Phone Number as a Hot Key 1 O 2 G з O O 4 G Press Search Select Search Select Search Select PHONEBOOK 1 desired item HOT KEY REG desired dialling button number 2 5 G Search Select YES Dialling with Hot Key 7 Press and hold the dialling button registered as a ...

Page 25: ... I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF 9 DISASSEMBLY INSTRUCTIONS 9 1 Base Unit Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 x 12 A x 2 2 Main P C Board Main P C Board 25 ...

Page 26: ...0RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF Shown in Fig To Remove Remove 3 Rear Cabinet Screws 2 x 10 B x 2 4 Main P C Board Screw 2 x 8 C x 1 Screws 2 x 8 D x 2 Main P C Board 26 ...

Page 27: ...ing 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 The terminal cannot have enough elastic force cannot have good contact with handset and it will result in charge problem 27 ...

Page 28: ...X A140RUB I KX A140RUC I KX A140RUF 11 TROUBLESHOOTING GUIDE Flow Chart Cross Reference Check Power P 29 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 28 ...

Page 29: ... Cross Reference Power Supply Circuit P 50 11 1 2 Handset Note BBIC is IC2 Is the battery inserted to CN3 r YES NO i L iits vuiuaye ui 0140 i ro c ov niuie 1r YES NO Is the voltage of TP 14 about 4V i YES NO Is BBIC VDD voltage about 2 65V Check the battery and around CN3 are not shorted Check Power Supply Circuit Cross Reference Power Supply Circuit Reset Circuit P 53 Note BBIC is IC1 29 ...

Page 30: ...ce Charge Handset on Base Unit Is the voltage of two charge contacts about 5 5V and OV from GND level NO Check Charge Circuit of Base Unit r OK IYES Check Charge Contacts at Base Unit from mechanical point of view Check Handset Cross Reference Charge Circuit P 53 11 2 2 Handset Cross Reference Check Power P 29 Charge Circuit P 53 Note BBIC is IC1 30 ...

Page 31: ...KX TCD400RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF 11 3 Check Link 11 3 1 Base Unit Cross Reference Power Supply Circuit P 50 Adjustment P 37 31 ...

Page 32: ...KX TCD400RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF 11 3 2 Handset Cross Reference Power Supply Circuit P 50 Adjustment P 42 32 ...

Page 33: ...B I KX A140RUC I KX A140RUF 11 4 Check Handset Transmission Check MIC of Handset Check CDL TX HANDSET in SIGNAL ROUTE 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 ...

Page 34: ... BBIC 44 When bell signal conning is bell LED switching on and off NO Check around LED1 Q10 R68 Note BBIC is IC2 11 6 2 Handset When bell signal coming is there bell sound signal at BBIC 41 42 YES When bell signal coming is there bell sound signal atTP1 TP2 4r YES Does bell sound from RECEIVER NO Check link in Check Link and around BBIC NO Check around R17 R20 СЮ C11 C12 C31 D6 D7 NO Replace with ...

Page 35: ...oss dBm DC cable JIG Fixed Part Clip cable JIG I2C PCB Base JIG Simulator 0 AC adaptor RS232C cable JIG PC Serial port com port 1 12 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 co...

Page 36: ...y Counter for Clock Freq Digital Multi meter DMM DECT Tester DC Power for Loop Back RF cable loss dBm DC cable JIG Portable Part Clip cable JIG I2C PCB Handset JIG RS232C cable JIG IZ PC Serial port com port 1 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 ...

Page 37: ...oltage between TP187 and GND is 2 65V 0 2V IC2 Q8 C23 C24 C25 C26 C27 C38 R33 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 ...

Page 38: ... above 4 Confirm that the B Field Modulation is 340kHz div 402kHz div using data 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...

Page 39: ...Transmit Audio Check and Adjustment ANT J1 1 Configure the DECT tester CMD60 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 n 7 Set line voltage to 48V and line current to 40mA 8 Input audi...

Page 40: ...40 14 2 Adjustment Standard Base Unit When connecting the Simulator Equipments for checking please refer to below 14 2 1 Component View Note _____ П H O is refered to ADJUSTMENTS BASE UNIT P 37 ...

Page 41: ... 14 2 2 Flow Solder Side View G F N O P Digital Volt Meter WV 12Q 2W A Digital Volt Meter D E F G H N O To PC JIG C Digital Volt Meter Note E Frequency Counter A P is refered to ADJUSTMENTS BASE UNIT P 37 ...

Page 42: ...F1 R21 R4 C33 L2 D1 C15 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 checksum valu...

Page 43: ...15 Follow steps 1 to 4 of I above 5 Confirm that the B Field Modulation is 340kHz 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 о66 о60 3 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 I...

Page 44: ...7 R20 C10 C11 D7 D6 IC3 C54 C66 060 3 057 C55 C56 C62 R23 R24 C63 C64 C65 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 ...

Page 45: ...5 15 2 Adjustment Standard Handset When connecting the Simulator Equipments for checking please refer to below Note D D To PC JIG C E F H I O P I J K L M N O P A P is refered to ADJUSTMENTS HANDSET P 42 ...

Page 46: ...ent L RSSI Level 0x34 hex A hex Adjustment M Refer to Adjustment P 37 16 2 Handset 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 4...

Page 47: ...44 1897 344 1897 344 2 1895 616 1895 616 1895 616 1895 616 3 1893 888 1893 888 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 ...

Page 48: ...817 19 BLOCK DIAGRAM BASE UNIT KX TCD400RUB RUC RUF BLOCK DIAGRAM BASE UNIT ...

Page 49: ...r for speech encoding and speech decoding DSP section Echo cancellation and Echo 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 Mix...

Page 50: ...ied 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 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 ...

Page 51: ... as shown in BLOCK DIAGRAM BASE UNIT P 48 The voice signal passes through the 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 frequen...

Page 52: ...21 BLOCK DIAGRAM HANDSET kX TCD400RUB KX TCD400RUC KX TGD400RUF KX A140RUB KX A140RUC KX A140RUF ANT 61 62 56 58 KX A140RUB RUC RUF BLOCK DIAGRAM HANDSET 52 ...

Page 53: ...al generates R19 C23 and 2 65V 22 3 Charge Circuit Circuit Operation When charging the handset on the Base Unit the charge current is as follows DC 5 5V 6V D4 R43 R44 CHARGE Base CHARGE Handset L4 Q 2 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 ...

Page 54: ...23 SIGNAL ROUTE KX TCD400RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF 54 ...

Page 55: ...25 Bandgap_Ref A I 26 Differential Line P A I for Bell Clip 27 Differential Line 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 Fi...

Page 56: ...В KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF Pin Description 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 ...

Page 57: ...KEY IN D I No Key 21 KEY IN D I No Key 22 NO USE D O 23 Reference clock D O Active 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 ...

Page 58: ... O Active 77 VDDLI 78 LCD SEGMENT D O Active 79 LCD SEGMENT D O Active 80 LCD 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 SEGM...

Page 59: ...written The value is set by the eeprom default loader only if the location contains all 1 s byte 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 x Default no specific country setting so revert to default value Setting 26 3 EEPROM Layout 26 3 1 General Setup Address Default Name Country Setting Ty...

Page 60: ... break Unit 10 ms defaultst to 700 ms 26 3 4 BsUiTask settings Address Default 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 SMSPabx...

Page 61: ...en set EEPROM location which is not set at all 27 3 EEPROM contents 27 3 1 General 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...

Page 62: ...English 01 Spanish 02 French 03 Italian 04 Dutch 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 ...

Page 63: ... on off 1 0 bit 1 Select base menu on off 1 0 bit 2 Internal ringer menu on off 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 se...

Page 64: ...F Pb free P 4 28 2 Procedure 1 Tack the flat pack IC to the PCB by temporarily soldering two diagonally opposite pins in the correct positions on the PCB Temporary soldering point Be certain each pin is located over the correct pad on the PCB 2 Apply flux to all of the pins on the IC 2 _______ Flux 3 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins ...

Page 65: ...KX TCD400RUВ KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF 29 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 65 ...

Page 66: ...KX TCD400RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF 30 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 66 ...

Page 67: ...KX TCD400RUB I KX TCD400RUC I KX TCD400RUF I KX A140RUB I KX A140RUC I KX A140RUF 67 ...

Page 68: ... 1 5 8 PQWI1D400RU ж 6 64 1 C2HBAK000001 PQVILM1117MP E 2SA1625 2SD1994A PQVTBF822T7 B1ADGE000004 B1ABCE000009 PQVDS1ZB60F1 Cathode Anode MA1Z300 Cathode B0JAME000085 Cathode Anode MA2Z74800L B0DDCM000001 32 2 Handset Г 3 0 100 1 C2HBAK000003 PQWI1D400RU PQVTFDN335N B1ADGE000004 UN5216 Cathode Anode B0JCME000035 Cathode Anode MA2Z74800L MAZ83900ML 68 ...

Page 69: ...RUB ABS HB 1 PQGG10154Z2 GRILLE for KX TCD400RUC ABS HB 1 PQGG10154Z1 GRILLE for KX TCD400RUF ABS HB 2 PQKM10586Y2 CABINET BODY for KX TCD400RUB for KX TCD400RUC ABS HB 2 PQKM10586Y1 CABINET BODY for KX TCD400RUF ABS HB 3 PQGT15982Z NAME PLATE for KX TCD400RUB 3 PQGT15981Z NAME PLATE for KX TCD400RUC 3 PQGT15649Z NAME PLATE for KX TCD400RUF 4 PQJT10203Z TERMINAL 5 PQKE10356Z1 GUIDE CHARGE TERMINAL...

Page 70: ...o Part Name Description Remarks 101 PQGP10225Z2 PANEL LCD for KX TCD400RUB for 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...

Page 71: ... C27 ECUV1CIO4KBV 0 1 C28 ECUV1CIO4KBV 0 1 C29 ECUV1CIO4KBV 0 1 C30 ECUV1CIO4KBV 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 XI H0D103500...

Page 72: ...33 5 Memo kX TCD400RUB KX TCD400RUC KX TGD400RUF KX A140RUB KX A140RUC KX A140RUF 72 ...

Page 73: ... kX TCD400RUB I KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF 34 SCHEMATIC DIAGRAM BASE UNIT LINE VOL TAGE 60V DC 73 ...

Page 74: ... kX TCD400RUB I KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF OV ON HOOK DC OFF HOOK 9 8V 1 OV ON HOOK DC OFF HOOK KX TCD400RUB RUC RUF SCHEMATIC DIAGRAM BASE UNIT 74 ...

Page 75: ... kX TCD400RUB I KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF 35 SCHEMATIC DIAGRAM HANDSET 4 3 V 0 V Frequency 324KHz 4 1V DC T 14 H D D D 1 E G J R 3 sji S 1 V S ty 56 DC S 25 26 37 38 75 ...

Page 76: ... kX TCD400RUB I KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF 76 ...

Page 77: ...IT BOARD BASE UNIT 36 1 Component View X1 BBIC 18 RESET 10 368 MHz BBIC 14 Q9 Q9 5 5V 4 0V Bell LED Q8 Collector BBIC 44 2 65V Bell Bell BBIC 27 BBIC 26 KX TCD400RUB RUC RUF CIRCUIT BOARD BASE UNIT Component View ...

Page 78: ...8 Z 36 2 Flow Solder Side View CHARGE RF Clock 1 368MHz CHARGE Q9 Input 5 5V Q9 Output 4V KX TCD400RUB RUC RUF CIRCUIT BOARD BASE UNIT Flow Solder Side View ...

Page 79: ...5V TP14 4V RF Clock BBIC 23 10 368 MHz C66 R23 9 9W C60 C54 g T m j j y 11 10 9 8 12 7 6 5 4 3 2 1 34 13 33 14 IC3 32 15 31 16 30 17 29 18 19 20 21 22 23 24 25 26 27 28 8 C63 C55 0 5 6 C64 TP4 GND TP2 SP TP1 SP BBIC 41 BBIC 42 KX A140RUB RUC RUF CIRCUIT BOARD HANDSET Component View ...

Page 80: ...08 37 2 Flow Solder Side View KX A140RUB RUC RUF CIRCUIT BOARD HANDSET Flow Solder Side View ...

Page 81: ...KX TCD400RUВ KX TCD400RUC KX TCD400RUF KX A140RUB KX A140RUC KX A140RUF M KXTCD400RUB KXTCD400RUC KXTCD400RUF KXA140RUB KXA140RUC 81 KXA140RUF ...

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