Panasonic KX-WT115CE Service Manual Download Page 46 | Manualshive

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KX-WT115CE

11.7. How to Check the Handset Speaker or Receiver

1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the speaker terminals as shown below.

11.8. Frequency Table (MHz)

HANDSET

Channel No

Transmit Frequency

Receive Frequency

0

1897.344 1897.344

1

1895.616 1895.616

2

1893.888 1893.888

3

1892.160 1892.160

4

1890.432 1890.432

5

1888.704 1888.704

6

1886.976 1886.976

7

1885.248

1885.248

8

1883.520 1883.520

9

1881.792 1881.792

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Summary of Contents for KX-WT115CE

Page 1: ... Panasonic System Networks Co Ltd 2010 Unauthorized copying and distribution is a violation of law ORDER NO KMS1010787CE DECT Portable Station Model No KX WT115CE for Europe ...

Page 2: ...eck Point Charger Unit 31 9 3 Troubleshooting by Symptom Handset 31 9 3 1 Check Point Handset 31 10 Disassembly and Assembly Instructions 34 10 1 Disassembly Instructions 34 10 1 1 Handset 34 10 1 2 Charger Unit 35 10 2 How to Replace the Handset LCD 36 11 Measurements and Adjustments 37 11 1 Equipment Required 37 11 2 The Setting Method of JIG 37 11 2 1 Connections Handset 37 11 2 2 How to execut...

Page 3: ... Unit 58 14 3 1 Component View 58 14 3 2 Bottom View 58 15 Exploded View and Replacement Parts List 59 15 1 Cabinet and Electrical Parts Handset 59 15 2 Cabinet and Electrical Parts Charger Unit 60 15 3 Accessories and Packing Materials 61 15 4 Replacement Parts List 62 15 4 1 Handset 62 15 4 2 Charger Unit 64 15 4 3 Accessories and Packing Materials 64 15 4 4 Fixtures and Tools 64 ...

Page 4: ... precautions will help prevent recurring malfunctions 1 Cover plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on worktable 4 Do not grasp IC or LSI pins with bare fingers 2 Warning 2 1 About Lead Free Solder PbF Pb free Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that conta...

Page 5: ...materials The following lead free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 2 1 2 Information for Users on Collection and Disposal of Old Equipment and used Bat teries 2 2 Battery Caution 1 Danger of explosion if battery is incorrectly replaced 2 Replace only with the same or equivalent type recommended by the manufacturer 3 Dispose of used batterie...

Page 6: ... Access Battery Life Handset if batteries are fully charged Stand by Up to 150 hours Ni MH Talk Up to 8 hours NR Off 7 hours NR On Channel Spacing 1728kHz Bit rate Spacing 1152kbit s Operating Conditions 5 40 C 20 80 relative air humidity dry Modulation GFSK Gaussian Frequency Shift Keying RF Transmission Power approx 250mW Voice Coding ADPCM 32 kbit s Operation Range Up to 300 m outdoors Up to 50...

Page 7: ...M STM CKM STM BBIC RESET CHG_CTL CHG_DET WP CLK DATA KEYSTOROBE_A E KEYIN_1 5 CHARGE Q4 D7 MIC Receiver Headset Jack CN4 LED Monitor SP LCD CHARGE PUMP IC4 KEYS RF part ANT1 X1 13 824 MHz EEPROM VBAT BATTERY Q5 LED LCD RSTN BELL VBAT VBAT 3V 4 0V VBAT RXn RXp RXON TXp TXn TXON KX WT115CE BLOCK DIAGRAM Handset KEY_LED CP_OFF Q6 LED KEY 4V ...

Page 8: ...8 KX WT115CE 4 2 Block Diagram Handset_RF Part KX WT115CE BLOCK DIAGRAM Handset_RF Part DA801 TXON RXON RXp RXn ANT TXp TXn ...

Page 9: ...l data signals forming analyzing ACK or CMD signal All interfaces ex Key Detector Circuit Charge EEPROM LCD EEPROM IC3 Setting data is stored e g ID user setting 4 3 2 Power Supply Circuit Reset Circuit Circuit Operation When power on the Handset the voltage is as follows BATTERY 2 2 V 2 6 V BATT F1 BBC1 IC1 10 pin The Reset signal generates IC1 54 pin and 1 8 V ...

Page 10: ...is charged The charge current is controlled by switching Q9 of Handset 4 3 4 Battery Low Power Down Detector Circuit Operation Battery Low and Power Down are detected by BBIC which check the voltage from battery The detected voltage is as follows Battery Low Battery voltage V Batt 2 35 V 50 mV The BBIC detects this level and starts flashing Power Down Battery voltage V Batt 2 0 V 50 mV The BBIC de...

Page 11: ...t Charge control is executed at handset side so that the operation when using charger is also controlled by handset Refer to Circuit Operation Handset P 9 The route for this is as follows DC pin of J1 F1 R1 CHARGE pad Handset CHARGE pad DC pin of J1 ...

Page 12: ...12 KX WT115CE 4 5 Signal Route RF part signal route ...

Page 13: ...13 KX WT115CE 5 Location of Controls and Components 5 1 Handset ...

Page 14: ...asonic AC adaptor 6 2 Battery 6 2 1 Battery Installation Open the battery cover insert the batteries and close the cover as indicated below 6 2 2 Charging the Battery At the time of shipment the batteries are not charged Please charge the batteries for about 7 hours before using the handset for the first time When the batteries are fully charged the charge indicator goes off and Fully charged is d...

Page 15: ...Operating Instructions 7 1 Soft Keys Icons and information shown on the display will vary depending on the context To select an item shown on the display press the corresponding soft key 7 2 Handset Setting Menu Layout ...

Page 16: ... lock all keys while the handset is in standby mode 7 4 Selecting the Display Language Icons and information shown on the display will vary depending on the context To select an item shown on the display press the corresponding soft key ...

Page 17: ...17 KX WT115CE 7 5 Display ...

Page 18: ...18 KX WT115CE 7 6 Operation Outline Handset functions are accessed through the display menu and selected with the Navigator Key and soft keys 7 7 Main Menu ...

Page 19: ...19 KX WT115CE 7 8 Character Mode Table 7 9 For Service Hint ...

Page 20: ...20 KX WT115CE 8 Service Mode 8 1 Key Operation ...

Page 21: ... the contents Careless rewriting may cause serious damage to the handset Items Address Default Data New Data Possible Adjusted Value MAX hex Possible Adjusted Value MIN hex Remarks Battery Low 00 11 00 12 00 00 2 Frequency 00 07 00 08 00 01 ID 00 02 00 06 Given value Desired Number hex Input Keys Desired Number hex Input Keys 0 0 A R 0 1 1 B R 1 C R 2 D R 3 E R 4 9 9 F R 5 ...

Page 22: ...ompleting a service or repair register all handsets to your check specific PBX to confirm the result of the service repair You can do this without the information registered to the customer s PBX For Service Use handset and performing registration ...

Page 23: ...23 KX WT115CE For Service Use How to clear a handset s registration information ...

Page 24: ... The contents of user setting are reset to factory default Usage time and the handset phonebook are not cleared 8 4 Deregistering only Handset The only handset is reset by doing the following steps to Note 2 The handset registration to the PBX is cancelled If the handset needs to be registered to the PBX refer to the user documentation for your PBX ...

Page 25: ... Flowchart Cross Reference Check Power P 25 Check Battery Charge P 26 Check Link P 27 Check the RF part P 29 Check Handset Transmission P 30 Check Handset Reception P 30 9 1 1 Check Power 9 1 1 1 Handset Cross Reference Power Supply Circuit Reset Circuit P 9 ...

Page 26: ...26 KX WT115CE 9 1 2 Check Battery Charge 9 1 2 1 Handset Cross Reference Check Power P 25 Charge Circuit P 10 9 1 2 2 Charger Unit Cross Reference Charge Circuit P 11 ...

Page 27: ...27 KX WT115CE 9 1 3 Check Link 9 1 3 1 Handset ...

Page 28: ... 0V Execute the command VDA Refer to Things to Do after Replacing X tal P 45 for Handset 2 How to adjust the frequency of X1 To see the frequency execute the command SFR then check the TP_CKM IC1 57pin To adjust frequency send command SFR until the frequency counter becomes13 824 MHz 15Hz 3 Refer to Troubleshooting by Symptom Handset P 31 ...

Page 29: ... KX WT115CE 9 1 4 Check the RF part 9 1 4 1 RF Check Flowchart Each item 1 6 of RF Check Flowchart corresponds to Check Table for RF part P 30 Please refer to the each item Note 1 Refer to Check Link P 27 ...

Page 30: ...k the RF part P 29 No Item HS Handset Check 1 Link Confirmation Normal HS Normal Mode 1 Register HS to be checked to Regular CS 2 Press Talk key of the HS to establish link 2 X tal Frequency confirmation HS Adjustment Check X tal Frequency 13 824000 MHz 15 Hz 3 Range Confirmation Normal HS Normal Mode 1 Register HS to be checked to Regular CS 2 Press Talk key of the HS to establish link 3 Compare ...

Page 31: ...VDDC and GND is 1 8 V 0 02 V 2 Execute the command VDD then check the current value 3 Adjust the 1 8V voltage of VDDC executing command VDD XX XX is the value IC1 C1 C32 C51 R45 F1 B BBIC Confirmation 1 BBIC Confirmation Execute the command SLF and VER 2 Confirm the returned checksum value IC1 X1 R64 C EEP ROM Confirmation 1 EEP ROM Confirmation Execute the command EPV 2 Confirm the returned Value...

Page 32: ... RFPI 0102030405 Traffic Carrier 5 Traffic Slot 4 Mode Loopback RF LEVEL 70 dBm PACKET PP32Z 2 Execute the command TST 01 02 03 04 05 3 Initiate connection from DECT tester 4 Confirm that the NTP value at ANT is 19 dBm 25 dBm IC1 DA801 L809 R806 R807 C805 C806 C810 CC813 C820 C822 C825 C826 C859 C863 C895 C897 I Modulation Check and Adjustment Follow steps 1 to 3 of H 4 Confirm that the B Field Mo...

Page 33: ...measure Receiving level at REV and REV 6 Confirm that the level is 22 dBm 2 dBm and that the distortion level is 5 at Receiver vol 2 IC1 MIC C11 C14 C17 C18 C113 RA4 R22 R25 R27 R28 R34 R11 D21 D22 C70 C71 C152 O SP phone Audio Check and Confirmation 1 Link to PBX which is connected to Line Simulator 2 Set line voltage to 48 V and line current to 40 mA 3 Set the handset off hook using SP Phone key...

Page 34: ...34 KX WT115CE 10 Disassembly and Assembly Instructions 10 1 Disassembly Instructions 10 1 1 Handset ...

Page 35: ...35 KX WT115CE 10 1 2 Charger Unit ...

Page 36: ...36 KX WT115CE 10 2 How to Replace the Handset LCD Note The illustrations are simplified in this page They may differ from the actual product ...

Page 37: ...to measure intervals of 1 Hz precision 4 ppm Hewlett Packard 53131A is recommended DECT tester Rohde Schwarz CMD 60 is recommended This equipment may be useful in order to precisely adjust like a mass production 11 2 The Setting Method of JIG Preparation Serial JIG cable PQZZ1CD300E PC which has FlashProgram exe 11 2 1 Connections Handset Connect the DC Power or Battery to BATT and BATT Connect th...

Page 38: ...ds Command name Function Example EPR Read the data of EEPROM Type EPR 00 00 FF and the data from address 00 00 to FFbyte is read out IDR Read ID RFPI Type IDR and the registered ID is read out IDW Write ID RFPI Type IDW 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written VER Read software version Type VER EPW Write the data of EEPROM Type EPW 01 23 01 45 01 23 is address 01 is length and 45 is data...

Page 39: ... 0 When downloading please close other applications if at all possible Operation of Windows Vista or Windows 7 is not verified Download may fail if you use a USB Serial conversion cable Please connect the Serial JIG and PC directly 11 2 4 2 1 2 Click Config 1 3 Click OK Selected item will be stored Connect the download PC cable with selected com port COM1 COM9 ...

Page 40: ...NCEL key until step 3 4 3 2 Click Download If communication NG Then try again from step 1 1 A Check serial PC cable connection PC with WT115 B Check Configuration Refer to Step 1 2 C Check PC cable attachment of target 3 3 Click Download Communicating PC with Target Don t release the CANCEL key in this step If release the CANCEL key downloading will be failed If download NG click Cancel then back ...

Page 41: ...41 KX WT115CE 3 4 Downloading Start After several seconds Display shows Download Start You can release the CANCEL key in this step ...

Page 42: ...42 KX WT115CE 3 5 Downloading Complete If downloading finished display shows Download finished successfully Click OK then disconnect the serial PC cable ...

Page 43: ...Standard Charger Unit When connecting the simulator equipment for checking please refer to below 11 3 1 Bottom View TP4 TP3 1 2 J1 A F1 PbF PNLP1029YA PQUP11532Y Charge Charge 12 2 W Digital Volt Meter DC POWER DC 6 5 V TP3 TP4 GND ...

Page 44: ... C4 C172 C110 C86 C127 C37 C80 R69 R807 R509 Q8 R70 R32 R12 R7 R10 R22 R25 R28 R27 R24 R306 R562 R41 R44 R40 R42 R563 R3 R5 L9 L3 L6 L73 L72 L71 L4 IC2 RA4 D50 D4 D7 Q53 Q51 Q52 Q40 Q20 Q4 C7 C25 C22 C897 C895 C825 C504 C43 C36 C33 C183 C184 C78 C99 C81 C76 C71 C70 C77 C9 C8 C 4 4 C 3 0 C 2 0 C 3 1 C 1 8 C 8 1 1 L 8 0 9 C863 C826 C35 C16 C14 C57 C56 C64 C65 IO16 C34 C108 C55 C52 CN4 C54 C12 C53 C2...

Page 45: ...ustment X tal X1 System clock 1 Apply 2 6V between BATT and BATT with DC power 2 Input Command sendchar sfr then you can confirm the current value 3 Check X tal Frequency 13 824 MHz 100 Hz 4 If the frequency is not 13 824 MHz 100 Hz adjust the fre quency of CLK executing the command sendchar sfr xx xx where xx is the value so that the reading of the frequency counter is 13 824000 MHz 5 Hz Item Val...

Page 46: ...2 Put the probes at the speaker terminals as shown below 11 8 Frequency Table MHz HANDSET Channel No Transmit Frequency Receive Frequency 0 1897 344 1897 344 1 1895 616 1895 616 2 1893 888 1893 888 3 1892 160 1892 160 4 1890 432 1890 432 5 1888 704 1888 704 6 1886 976 1886 976 7 1885 248 1885 248 8 1883 520 1883 520 9 1881 792 1881 792 ...

Page 47: ...e P C board when cutting the pins with a cutter 2 Make a few cuts into the joint between the IC and its pins first and then cut off the pins thoroughly 3 While the solder melts remove it together with the IC pins When you attach a new IC to the board remove all solder left on the land with some tools like a soldering wire If some solder is left at the joint on the board the new IC will not be atta...

Page 48: ...e IC 1 Heat the IC with a hot air desoldering tool through the P C Board 2 Pick up the IC with tweezers etc when the solder is melted completely Note Be careful not to touch the peripheral parts with twee zers etc They are unstable 3 After removing the IC clean the P C Board of residual sol der 12 2 4 How to Install the IC 1 Place the solder a little on the land where the radiation GND pad on IC b...

Page 49: ...49 KX WT115CE 12 2 5 How to Remove a Solder Bridge Doesn t apply to IC ground plate When a Solder Bridge is found after soldering the bottom of the IC remove it with a soldering iron ...

Page 50: ... nozzle of the hot air desoldering tool that matches the IC package Be careful about the temperature of the hot air desoldering tool not to damage the PCB and or IC 12 3 3 How to Remove the Shield Case Note If you don t have special tools ex Hot air disordering tool conduct the following operations 1 Cut the case along perforation 2 Remove the cut part 3 Cut the four corners along perforation 4 Re...

Page 51: ...ge measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams may be modified at any time with the development of new technology 13 1 2 Charger Unit Schematic Diagram Charger Unit Notes 1 DC voltage measurements are taken with voltmeter from the negative voltage line 2 The schematic diagrams may be modified at any time with the development of new technology ...

Page 52: ... NC3 4 VSS 5 SDA 6 SCL 7 WC 8 VCC Q9 R52 NC R20 NC CKM STM VBG VDDC 3 0V VBAT WLED 4 0V NC 1 VOUT 2 VIN 3 NC 4 VSS R3 1 5k C77 D10p C76 D10p GND GND Q8 NC GND R71 NC IO16 C78 NC GND R55 NC R58 NC R57 NC R53 NC Q53 NC R70 NC R72 NC R59 NC C53 NC C54 NC GND GND C55 NC GND GND R8 NC GND TCK TDI TMS TDO GND_J C58 1u 4 0V VBAT 4 0V GND D7 R561 220 GND C56 1u C57 1u R7 100k R12 NC GND R5 47k C46 10p C38...

Page 53: ...183 D10p R34 390 GNDA R28 2 2k GND GND GND GND GND C75 NC GND GND GND GND GND C820 1 8p C863 1 8p GND GND GND GND C859 2p C895 1 3p GND GND GND GND GND GND GND C814 NC ZA1 NC C98 NC C99 NC GND GND C896 1 8p C805 2 4p C806 2 4p C810 2 5p C813 1 6p C812 8 2n L809 1p C811 100p C822 10p C826 10p C825 10p C897 24p C26 10u C37 10u R35 NC 3 0V X1 13 824M C73 10p C72 10p GND GND C86 22u L13 180n L14 NC C1...

Page 54: ...54 KX WT115CE 13 3 Schematic Diagram Handset_LED 13 4 Schematic Diagram Charger Unit LED KX WT115CE SCHEMATIC DIAGRAM Handset_LED J1 2 1 TP3 GND TP2 TP1 TP4 R1 12 F1 SCHEMATIC DIAGRAM Charger Unit ...

Page 55: ...6 C11 C10 C38 C185 C83 C5 C3 C113 C79 C147 F1 C4 C172 C110 C86 C127 C37 C80 R69 R807 R509 Q8 R70 R32 R12 R7 R10 R22 R25 R28 R27 R24 R306 R562 R41 R44 R40 R42 R563 R3 R5 L9 L3 L6 L73 L72 L71 L4 IC2 RA4 D50 D4 D7 Q53 Q51 Q52 Q40 Q20 Q4 C7 C25 C22 C897 C895 C825 C504 C43 C36 C33 C183 C184 C78 C99 C81 C76 C71 C70 C77 C9 C8 C 4 4 C 3 0 C 2 0 C 3 1 C 1 8 C 8 1 1 L 8 0 9 C863 C826 C35 C16 C14 C57 C56 C64...

Page 56: ...CE 14 1 2 Bottom View KX WT115CE CIRCUIT BOARD Handset_Main Bottom View 1 SP 2 5 FLASH OFF TALK RIGHT LEFT SOFT1 LED2 LED5 SOFT2 UP DOWN MENU CN3_C 12 1 3 4 6 7 MIC 8 9 LED12 LED9 LED8 LED7 LED3 LED4 LED6 LED1 0 A ...

Page 57: ...57 KX WT115CE 14 2 Circuit Board Handset_LED PNLB1763Z A PbF LED KX WT115CE CIRCUIT BOARD Hanset_LED Bottom View ...

Page 58: ...ard Charger Unit 14 3 1 Component View 14 3 2 Bottom View J1 R1 A PQUP11532Y PbF PNLP1029YA CIRCUIT BOARD Charger unit Component View TP4 TP3 1 2 J1 A F1 PbF PNLP1029YA PQUP11532Y CIRCUIT BOARD Charger unit Bottom View TP4 GND TP3 ...

Page 59: ...et and Electrical Parts Handset Note 1 This cable is fixed by welding Refer to How to Replace the Handset LCD P 36 2 The rechargeable Ni MH battery HHR 55AAAB is available through sales route of Panasonic 3 Attach the SPACER No 123 to the exact location described above ...

Page 60: ...60 KX WT115CE 15 2 Cabinet and Electrical Parts Charger Unit ...

Page 61: ...61 KX WT115CE 15 3 Accessories and Packing Materials ...

Page 62: ...ABINET BODY PS HB 104 PNHR1248Z OPTIC CONDUCTIVE PARTS LED LENS PS HB 105 L0AD01A00024 SPEAKER 106 PQHG10729Z RUBBER PARTS RECEIVER 107 PNYE1029Y SPACER CUSHION LCD 108 PNBC1003W3 BUTTON VOLUME KEY ABS HB 109 PNJK1072H KEYBOARD SWITCH 110 PNHX1165Z COVER LCD 111 PNJT1027Y CHARGE TERMINAL L 112 PNJT1026Y CHARGE TERMINAL R 113 PQHR11315Z GUIDE SPEAKER ABS HB 114 L0AA02A00095 SPEAKER 115 PQHS10784Y S...

Page 63: ...A104KBQ 0 1 Safety Ref No Part No Part Name Description Remarks C44 ECUE0J105KBQ 1 C45 ECUE1A104KBQ 0 1 C46 F1G1H100A723 10p C51 ECJ1VB0G106M 10 S C56 ECUV1A105KBV 1 C57 ECUV1A105KBV 1 C58 ECUE0J105KBQ 1 C70 ECUE1H100DCQ 10p S C71 ECUE1H100DCQ 10p S C72 ECUE1H100DCQ 10p S C73 ECUE1H100DCQ 10p S C76 ECUE1H100DCQ 10p S C77 ECUE1H100DCQ 10p S C79 ECUE1H101JCQ 100p C80 ECUE1H390JCQ 39p C81 ECUE1H101JC...

Page 64: ...ATE A XTB2 8GFJ TAPPING SCREW Safety Ref No Part No Part Name Description Remarks PCB200 PNWPT115CECH MAIN P C BOARD ASS Y RTL JACK J1 K2ECYB000001 JACK S RESISTOR R1 ERG2SJ120 12 FUSE F1 K5H302Y00003 FUSE Safety Ref No Part No Part Name Description Remarks A1 PQLV219CEW AC ADAPTOR A2 PNKE1054Z1 HANGER BELT CLIP ABS HB A3 PNQW2461Z LEAFLET SoftwareVersionInfo A4 PNQX3020Z INSTRUCTION BOOK Importan...

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