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15.2. Power Supply Circuit

The power is supplied to the DECT BBIC, RF Module, EEPROM and Charge Contact from AC Adaptor (+6V) as shown in
Fig.101. The power supply is as follows;

•

DECT BBIC (IC4):

CN1 (+6V)

→

IC1

→

IC4 (3.0V)

CN1 (+6V)

→

IC1

→

IC4 (1.8V)

•

RF Module (IC2):

CN1 (+6V)

→

IC11

→

IC2 (2.5V)

•

EEPROM (IC3):

CN1 (+6V)

→

IC1

→

IC3 (3.0V)

•

FLASH MEMORY (IC8):

CN1 (+6V)

→

IC1

→

IC8 (3.0V)

•

SP AMP (IC7):

CN1 (+6V)

→

IC1

→

IC7 (4.0V)

•

TAM FLASH MEMORY (IC6):

CN1 (+6V)

→

IC1

→

IC6 (3.0V)

•

LOGIC IC (IC9, IC10):

CN1 (+6V)

→

IC1

→

IC9, IC10 (3.0V)

•

Charge Contact (TP15):

CN1 (+6V)

→

R2, R4

→

TP15

<Fig.101>

KX-TG1283BXS / KX-TG1283B XT / KX-TCA122CXS / KX-TCA122CXT / KX-TCA121CXS / KX-TCA121CXT

Содержание KX-TG1283BXS

Страница 1: ... copying and distribution is a violation of law KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT Digital Cordless Answering System Silver Version Titanium Black Version for Middle Near East and Africa Telephone Equipment ORDER NO KM40701268CE ...

Страница 2: ...oubleshooting for Speakerphone Handset 40 9 3 The Setting Method of JIG Handset 41 9 4 Adjustment Standard Handset 43 10 THINGS TO DO AFTER REPLACING IC 44 10 1 Base Unit 44 10 2 Handset 44 11 RF SPECIFICATION 45 11 1 Base Unit 45 11 2 Handset 45 12 HOW TO CHECK THE SPEAKER OR RECEIVER 46 13 FREQUENCY TABLE MHz 46 14 BLOCK DIAGRAM BASE UNIT 47 15 CIRCUIT OPERATION BASE UNIT 48 15 1 Outline 48 15 2...

Страница 3: ...ories and Packing Materials 84 29 5 Screws 84 29 6 Fixtures and Tools 84 30 FOR SCHEMATIC DIAGRAM 85 30 1 Base Unit SCHEMATIC DIAGRAM BASE UNIT_MAIN 85 30 2 Handset SCHEMATIC DIAGRAM HANDSET 85 30 3 Charger Unit SCHEMATIC DIAGRAM CHARGER UNIT 85 31 SCHEMATIC DIAGRAM BASE UNIT_MAIN 86 32 SCHEMATIC DIAGRAM BASE UNIT_OPERATION 88 33 SCHEMATIC DIAGRAM HANDSET 90 34 SCHEMATIC DIAGRAM CHARGER UNIT 92 35...

Страница 4: ... higher temperature soldering irons Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See the figure below 1 1 Sugges...

Страница 5: ... them 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 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 batteries according to the manufacture s Instructions 5 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX T...

Страница 6: ...ferent types of batteries Do not charge short circuit disassemble or heat the batteries Do not dispose of batteries in a fire Do not use rechargeable batteries such as nickel cadmium Ni Cd or nickel metal hydride Ni MH batteries It is recommended that batteries are replaced annually It is recommended that batteries are replaced after a power outage Operating time may be shortened depending on usag...

Страница 7: ... however you can use the handset before the batteries are fully charged Clean the charge contacts of 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 When flashes recharge the handset batteries will continue to flash until the batteries have been charged for at least 15 minutes If the handse...

Страница 8: ...f flashes even after the handset batteries have been charged for 7 hours the batteries must be replaced Important We recommend the use of Panasonic rechargeable Ni MH batteries HHR 4EPT If you install non rechargeable batteries and start charging the batteries may leak electrolyte Do not mix old and new batteries Wipe the battery ends with a dry cloth When installing the batteries avoid touching t...

Страница 9: ...dset Note Up to 3 menu items can be displayed at a time To select a menu item not shown on the current page scroll up or down by pressing the navigator key or respectively 9 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 10: ...orm The AC adaptor must remain connected at all times It is normal for the adaptor to feel warm during use The AC adaptor should be connected to a vertically oriented or floor mounted AC outlet Do not connect the AC adaptor to a ceiling mounted AC outlet as the weight of the adaptor may cause it to become disconnected 4 4 2 Charger Unit Important Use only the AC adaptor PQLV200BXY Note The AC adap...

Страница 11: ...he item will not be reset when pressing and key of the handset Refer to How to Clear User Setting P 69 2 If you forget your PIN see For Service Hint P 14 Note Up to 3 menu items can be displayed at a time To select a menu item not shown on the current page scroll up or down by pressing the navigator key or respectively 4 5 2 Answering System Settings If the base unit is reset to its default settin...

Страница 12: ... are not shown on the display 4 If you forget your PIN see For Service Hint P 14 5 Here only the case that a handset is registered to a maximum of 4 Base units is mentioned Note Up to 3 menu items can be displayed at a time To select a menu item not shown on the current page scroll up or down by pressing the navigator key or respectively 12 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TC...

Страница 13: ...4 6 Registering a Handset to a Base Unit 4 6 1 Cancelling a Handset 13 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 14: ...d to work properly The battery strength may not be indicated correctly if the battery is disconnected and connected again even after it is fully charged In that case by recharging the battery as mentioned above you will get a correct indication of the battery strength PIN Code If you forget Base Unit or Handset PIN code press 7 0 0 0 as a PIN code This is called super password and is effective whe...

Страница 15: ...over Screws 2 6 14 A 5 2 Main P C Board Tapes and Solders 3 Main P C Board Cable Main P C Board Cabinet Body Screws 2 6 14 B 6 4 Operational P C Board Clear Grille Screws 2 6 8 C 4 Operational P C Board 15 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 16: ...Remove Remove 5 Cabinet Cover Screws 2 10 D 2 6 Follow the procedure 7 Main P C Board Screw 2 10 E 1 Screws 2 10 F 2 Tapes and Solders Main P C Board 16 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 17: ...5 3 Charger Unit Shown in Fig To Remove Remove 8 Cabinet Cover Screws 2 6 10 G 2 9 Main P C Board Solders Main P C Board 17 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 18: ...6 HOW TO REPLACE THE HANDSET LCD 18 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 19: ...Transmission P 26 Check Handset Reception P 26 SIGNAL ROUTE P 54 Check Caller ID P 26 Check Base Speakerphone Transmission P 26 Check Base Speakerphone Reception P 26 Check TAM Operation P 27 7 TROUBLESHOOTING FLOWCHART Flow Chart 19 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 20: ... inserted into AC outlet Check AC Adaptor s specification Cross Reference Power Supply Circuit P 49 7 1 2 Handset Cross Reference Power Supply Circuit Reset Circuit P 52 20 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 21: ...t Cross Reference Charge Circuit P 52 7 2 2 Handset Cross Reference Check Power P 20 Charge Circuit P 52 7 2 3 Charger Unit Cross Reference Charge Circuit P 52 21 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 22: ...nit Note 1 Refer to TROUBLESHOOTING BY SYMPTOM BASE UNIT AND CHARGER UNIT P 28 Cross Reference Check Point Base Unit P 28 Power Supply Circuit P 49 22 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 23: ...Cross Reference Check Point Base Unit P 28 23 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 24: ...ote 1 Refer to TROUBLESHOOTING BY SYMPTOM HANDSET P 37 Cross Reference Check Point Handset P 37 Power Supply Circuit Reset Circuit P 52 24 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 25: ...Cross Reference Check Point Handset P 37 25 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 26: ...E SPEAKER OR RECEIVER P 46 SIGNAL ROUTE P 54 7 6 Check Caller ID Cross Reference SIGNAL ROUTE P 54 7 7 Check Base Speakerphone Transmission Cross Reference SIGNAL ROUTE P 54 7 8 Check Base Speakerphone Reception Cross Reference SIGNAL ROUTE P 54 26 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 27: ...Cross Reference Telephone Line Interface P 50 Check Link P 22 HOW TO CHECK THE SPEAKER OR RECEIVER P 46 7 10 Check TAM Operation Cross Reference Power Supply Circuit P 49 27 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 28: ...equipments are as shown in Adjustment Standard Base Unit P 35 Items Check Point Procedure Check or Replace Parts A 2 5V Supply Confirmation VDD4 1 Confirm that the voltage between test point VDD4 and GND is 2 5V 0 2V D1 IC11 C4 C7 R10 R11 C30 C26 C28 L12 B 3 0V Supply Confirmation VDD3 1 Confirm that the voltage between test point VDD3 and GND is 3 0V 0 2V C2 IC1 C3 C8 Q2 R5 C10 R18 R19 C11 C 1 8V...

Страница 29: ...te the command dtmf_lo 5 Confirm that the low frequency 852Hz is 6 5 dBm 10 5 dBm IC4 R63 R39 C41 R49 C46 C47 R42 R43 R44 R45 R46 R47 R48 C108 C109 C40 C36 Q8 D4 I Transmitted Power Confirmation Remove L4 before starting step from 1 to 7 1 Configure the DECT tester CMD60 as follows Setting Test mode FP Traffic Carrier 5 Traffic Slot 4 Mode Loopback PMID 00000 RF LEVEL 70dBm 2 Execute the command t...

Страница 30: ...Hz ms IC2 IC4 R137 R125 C153 L8 L5 L10 L9 C140 C141 DA1 C142 C143 C144 L3 L4 R118 R119 L12 C30 IC11 R10 R11 C28 C26 C147 C151 C157 R123 C158 R128 R129 C159 C160 R131 R130 C161 C162 R132 C164 C136 R134 R117 R127 C156 C154 C155 R135 R136 M Sensitivity Receiver Confirmation Follow steps 1 to 6 of I 7 Set DECT tester power to 88dBm 8 Confirm that the BER is 1000ppm IC2 IC4 R137 R125 C153 L8 L5 L10 L9 ...

Страница 31: ...that the returned value is 0 22 A hex IC2 IC4 R137 R125 C153 L8 L5 L10 L9 C140 C141 DA1 C142 C143 C144 L3 L4 R118 R119 L12 C30 IC11 R10 R11 C28 C26 C147 C151 C157 R123 C158 R128 R129 C159 C160 R131 R130 C161 C162 R132 C164 C136 R134 R117 R127 C156 C154 C155 R135 R136 P Power RAMP Confirmation Follow steps 1 to 6 of I 7 Confirm that Power RAMP is matching IC2 IC4 R137 R125 C153 L8 L5 L10 L9 C140 C1...

Страница 32: ... volume Maximum 4 Measure the output level and distortion level at base speaker 5 Confirm that the level is 3dBm 5dBm and that the distortion level is 5 6 Press MUTE button 7 Input 45dBm 1kHz to SP Phone MIC TP1 TP2 8 Measure the output level and distortion level at line interface 9 Confirm that the level is 0dBm 5dBm and that the distortion level is 5 IC4 IC7 D311 R375 C312 C313 C314 C315 C316 C3...

Страница 33: ...nit 8 2 1 Preparation 8 2 1 1 Equipment Required DECT tester Rohde Schwarz CMD 60 is recommended Frequency counter It must be precise enough to measure intervals of 1 Hz precision 4 ppm Hewlett Packard 53131A is recommended Digital multi meter DMM it must be able to measure voltage and current Oscilloscope 8 2 1 2 JIG and PC 8 2 2 PC Setting 8 2 2 1 Connections Connect the AC adaptor to CN2 base u...

Страница 34: ...FPI Type readid and the registered ID is read out writeid Write ID RFPI Type writeid 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written setfreq Adjust Frequency of RFIC Type setfreq nn hookoff Off hook mode on Base Type hookoff hookon On hook mode on Base Type hookon getchk Read checksum Type getchk wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be writ...

Страница 35: ...WER 6V Dummy Handset DECT Tester CMD60 I J K L M N O P ANT L1T L1R LINE_DC DCM DCM DCP GND GND DCM CLK CN4 VDD5 VDD4 VDD3 VDD2 CN3 CHARGE CHARGE Digital Volt Meter Frequency Counter F S R TP5 RX TP1 10uF TP2 TP3 GND TP4 TX BELL Simulator LOOP Simulator AF OSC AF OSC AF VOLT METER G Q H AF VOLT METER OSCILLOSCOPE Digital Volt Meter Call ID Simulator DTMF Tester OSC AF VOLT METER OSC 600 12 2W 8 150...

Страница 36: ... The connection of adjustment equipment is as shown in Adjustment Standard Charger Unit P 36 8 5 Adjustment Standard Charger Unit When connecting the simulator equipment for checking please refer to below 8 5 1 Flow Solder Side View TP3 TP2 TP1 A D11 WHITE BLUE PbF TP4 PQUP11305Z DC POWER 6V GND TP2 TP3 GND TP2 TP1 A Digital Volt Meter 12Ω 2W R12 R11 R1 R2 Note A is referred to Check Point Charger...

Страница 37: ...nd bandgap then check the current value 3 Adjust the 1 8V voltage of VDD1 executing command bandgap XX XX is the value IC1 Q2 C40 B DC DC Supply Confirmation VDD3 1 Confirm that the voltage between test point VDD3 and GND is 3 3V 0 3V Backlight is ON IC1 F1 C1 C3 C57 R1 Q1 D1 L1 57 C 2 5V Supply Confirmation VDD2 1 Confirm that the voltage between test point VDD2 and GND is 2 5V 0 1V IC1 Q3 C4 C5 ...

Страница 38: ...01 ZZ EEPROM 000A Low Voltage BL write YY 16 Execute the command wreeprom 00 0A 01 WW Note ZZ YY 1D WW YY 16 No Voltage writing data limit is 01 c XX 00 17 Reject XX 33 FF Reject IC1 F1 C1 C3 C118 I Battery Low Confirmation 1 Apply 2 40V between BATTERY and BATTERY 2 Confirm that there is no flashing of Battery Icon 3 Apply 2 25V 0 08V between BATTERY and BATTERY 4 Confirm that there is flashing o...

Страница 39: ...s 2 0ppm IC1 R54 C62 C123 C60 C63 C45 C44 C47 C46 C49 C48 C50 C53 C51 R59 C54 C55 CN6 Q RSSI Level Confirmation Follow steps 1 to 3 of K 4 Set DECT tester power to 81dBm 5 Execute the command readrssi 6 Confirm that the returned value is 0 1C 8 hex 7 Set DECT tester power to 63dBm 8 Execute the command readrssi 9 Confirm that the returned value is 0 25 8 hex IC1 R54 C62 C123 C60 C63 C45 C44 C47 C4...

Страница 40: ...phone line corresponds to the following conditions and transmission signal of SP Phone is interrupted performing the next set up to a cordless handset will improve it to some extent Conditions 1 When customer s line has less line loss ex The customer is using optical fiber ISDN terminal adaptor or PBX In this case receiving signal is strong and it may affect transmission signal 2 When the other pa...

Страница 41: ... DECT tester Rohde Schwarz CMD 60 is recommended Frequency counter It must be precise enough to measure intervals of 1 Hz precision 4ppm Hewlett Packard 53131A is recommended DC power it must be able to output at least 1A current under 2 4V for Handset Digital multi meter DMM it must be able to measure voltage and current Oscilloscope 9 3 1 2 JIG and PC 9 3 2 PC Setting 9 3 2 1 Connections Connect...

Страница 42: ...s 00 00 to FF is read out readid Read ID RFPI Type readid and the registered ID is read out writeid Write ID RFPI Type writeid 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written setfreq Adjust Frequency of RFIC Type setfreq nn getchk Read checksum Type getchk wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written 42 KX TG1283BXS KX TG1283BXT KX TCA12...

Страница 43: ...1 REV_TEST1 REV_TEST2 SP_TEST2 C60 C59 C123 C64 C61 C65 C44 C62 CLK C63 D1 R93 C119 R6 R47 R46 R86 R25 R29 C10 C101 C107 C108 C111 C112 F1 J1 C3 R1 R83 R43 C98 L9 L7 L6 C95 C78 C79 VDD3 D7 D6 D9 Q8 D10 C40 R5 L5 L4 R74 C80 R36 C76 C16 C92 R80 C13 C83 C69 C70 C81 C86 C15 R35 R67 R66 C14 R34 C75 C38 C77 R61 R71 R40 R39 R64 D5 D8 D4 R60 JTAG R97 R63 VDD1 VDD2 POWER R91 C93 C41 C4 C94 C22 C72 R15 R57 ...

Страница 44: ...llowing adjustment ensure you have carried out PC Setting P 41 in The Setting Method of JIG Handset IC Necessary Adjustment BBIC IC1 Programs for Voice processing interface for RF and EEPROM 1 Default batch file Execute the command default 2 Default batch file remaining Execute the command TCA121 DEFrevYY 3 Except for KX TCA121 122 FX and KX TCA121 122 RU 3 Country version batch file Execute the c...

Страница 45: ...ing Check Point Base Unit P Refer to Check Point Base Unit P 28 11 2 Handset Item Value Refer to Remarks TX Power 20 dBm 25 dBm Check Point Handset K Modulation 350 400 320 370 kHz div Check Point Handset L Data type Fig31 Frequency Offset 45 kHz 45 kHz Check Point Handset M Frequency Drift 30 kHz ms Check Point Handset N RX Sensitivity 1000 ppm Check Point Handset O Timing Accuracy 2 0 ppm Check ...

Страница 46: ...4 1897 344 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 Te...

Страница 47: ...31 8 21 14 13 12 20 21 18 19 XTAL X1 10 368 MHz EEPROM IC3 SCL SDA 66 67 Flash Memory TAM IC6 RESET CS SCK SI 83 80 79 10 SO 94 To AC Adaptor CN1 Limit Resistor Charge Contacts 2 5V 4 0V Reg IC1 3 0V Reg Q2 1 8V Reg Q3 4 0V 3 0V 1 8V SP AMP IC7 110 SP MIC 118 2 5V Reg IC11 Key Matrix 58 61 62 63 15 42 50 51 52 53 54 13 3 0V IN USE LED 2AP PCB 74VHC574 D_FF IC9 74VHC574 D_FF IC10 3 0V ANS LED SP PH...

Страница 48: ...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 IC2 PLL Oscillator Detector Compress Expander First Second Mixer Amplifier for transmission and reception EEPROM IC3 Temporary operating parameters for RF etc FLASH MEMORY IC6 Voice Prompt TAM D L Down Lo...

Страница 49: ...3 0V CN1 6V D1 IC1 Q3 IC4 1 8V RF Module IC2 CN1 6V D1 IC11 IC2 2 5V EEPROM IC3 CN1 6V D1 IC1 Q2 IC3 3 0V FLASH MEMORY IC8 CN1 6V D1 IC1 Q2 IC8 3 0V SP AMP IC7 CN1 6V D1 IC1 IC7 4 0V TAM FLASH MEMORY IC6 CN1 6V D1 IC1 Q2 IC6 3 0V LOGIC IC IC9 IC10 CN1 6V D1 IC1 Q2 IC9 IC10 3 0V Charge Contact TP15 CN1 6V D1 R2 R4 TP15 Fig 101 49 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX T...

Страница 50: ...nal passes through the analog part of IC4 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 IC2 the carrier frequency is changing and frequency modulated RF...

Страница 51: ...0 32 66 67 72 62 52 45 44 58 56 59 60 6 9 10 77 ADPCM Codec Filter DSP Speech Encoding Speech Decoding BMC Burst Encoding Burst Decoding RF Interface RF Module CN6 23 22 RXDA TXDA 19 26 25 24 RSSI SYDA SYEN SYCL 16 17 XTAL X1 10 368 MHz BATTERY 61 ON SWITCH KEYPAD ROWS COLUMNS 1 12 40 76 27 28 34 35 36 74 BBIC IC1 IC3 11 LCD BACK LIGHT KEY BACK LIGHT SP PHONE LIGHT 7 75 46 KX TCA122 121 BLOCK DIAG...

Страница 52: ...as follows DC 5 5V 6V D1 R4 R5 CHARGE Base CHARGE Handset L4 Q4 D7 F1 BATTERY Battery BATTERY R43 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 Q5 of Handset Refer to Fig 101 in Power Supply Circuit P 49 17 4 Battery Low Power Down Detector Circuit Operation Battery Low and Pow...

Страница 53: ...18 CIRCUIT OPERATION CHARGER UNIT 18 1 Power Supply Circuit The power supply is as shown 53 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 54: ...19 SIGNAL ROUTE 54 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 55: ...55 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 56: ... Hi Z 29 AD15 D O AD15 O Hi 30 AD16 D O AD16 O Hi 31 AD17 D O AD17 O Hi 32 AD18 D O AD18 O Hi 33 AD19 D O NC O Hi 34 AD20 D O NC O Hi 35 AD21 D O NC O Hi 36 AD22 D O NC O Hi 37 AD23 D O NC O Hi 38 LE D O LE O Low 39 SO D O SO O Low 40 SK D O SK O Hi Z 41 ADC2 A I ADC2 I I 42 KEY_OUT5 D O key_strobe O Hi Z 43 RDN D O RDN O Hi 44 WRN D O WRN O Hi 45 MI READY D O NC O I 46 SCLK D O NC O Hi 47 UTX D O...

Страница 57: ... D I O DAB14 I O I 91 DAB7 D I O DAB7 I O I 92 DAB15 D I O DAB15 I O I 93 TM D I TM I Low 94 SI D O SI O Hi Z 95 PON A I PON I I 96 PULSE D I O nHOOK I O I 97 RLY D O RLY O Low 98 RINGING A I RINGING I I 99 LINEREF A O LINEREF O 100 LINEOUT A O LINEOUT O 101 LINE_IN A I LINE_IN I 102 LINE_IN A I LINE_IN I 103 LDO1_Senes A I LDO1_Senes I I 104 LDO1_CTRL A O LDO1_CTRL O Hi 105 LDO2_CTRL A O LDO2_CTR...

Страница 58: ...Pin No Description I O Connection at Normal mode at Reset mode 127 AD6 D O AD6 O Hi 128 AD7 D O AD7 O Hi 58 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 59: ... 30 PAOUTm D O PAOUTm O O 31 VDDPA 32 PAOUTp D O PAOUTp O O 33 VSSPA 34 P3 3 PD3 D I O COL3 O L I PD 35 P3 4 PD4 D I O COL4 O L I PD 36 TDOD P3 5 PD5 D I O COL5 O L I PD 37 VSS 38 VDDIO 39 VDD 40 PCM_FSC INT0n P1 0 D I ROW0 I I PU 41 P0 0 UTX D I O UTX O I PU 42 P0 1 URX D I O URX O I PU 43 P0 2 JTIO D I O JTIO O I PU 44 P0 3 SDA2 D I O P0 3 O I PU 45 P0 4 SCL2 D I O P0 4 O I PU 46 P0 5 SPICLK PCM...

Страница 60: ...INGING I I 69 VREFm 70 VBUF O VBUF O O 71 AGND A O AGND O O 72 MICp A I MICp I I 73 VREFp A I CIDINp I I 74 P3 0 D I O COL0 O L I PD 75 P1 4 INT4n D O Key_LED O O L 76 P1 3 INT3n D I ROW3 I I 77 P2 2 CLK100 D O LCD_RESET O I PD 78 AVS_sence I AVS_sence I I 79 ADC2 A I ADC2 I I 80 ADC0 A I NC I I 60 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 61: ...22 ENGINEERING MODE 22 1 Base Unit 61 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 62: ...ddress please refer to the table below 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 62 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 63: ... 20msec This is pulse make time Unit 1ms 03 49 3C 60msec 1 1E 30msec This is pulse break time Unit 1ms 01 E4 57 870msec 1 2C 440msec This is inter digit time in pulse mode Unit 10ms 1 Bell length 64 hex 100 dec 100 100msec 10000msec 10sec PULSE Dial speed 10PPS 20PPS 28 hex 40 dec 40 1msec 40msec 3C hex 60 dec 60 1msec 60msec 57 hex 87 dec 87 10msec 870msec 2 Items Description C ID FSK sensitivity...

Страница 64: ...22 2 Handset 64 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 65: ...efer to the table in Note P 62 of ENGINEERING MODE ex Items 4 Address Default Data New Data Possible Adjusted Value MAX hex Possible Adjusted Value MIN hex Remarks Sending level 00 06 Adjusted value Given value 6F 00 1 Receiving level 00 07 Adjusted value Given value 00 3F 2 Battery Low 00 04 25 3 Frequency 00 01 75 ID 00 10 00 14 Given value 3 Use these items in a READ ONLY mode to confirm the co...

Страница 66: ...Receiving level Analog Front End LSR Setting for Handset Mode Battery Low ADC value for battery low detection Frequency Setting value of FREQ_TRIM_REG ID International Portable Part Equipment Identities 66 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 67: ...he handset phonebook to another compatible Panasonic handset This will help to save the original phonebook data which the customer has registered Refer to the following procedures 67 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 68: ... be registered To register the handset refer to Registering a Handset to a Base Unit P 13 To cancel the handset refer to Cancelling a Handset P 13 To copy the handset phonebook refer to Copying Phonebook Entries P 14 68 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 69: ...stered handset which you did the following steps to are reset Other registered handsets will not be reset Note 1 Refer to Registering a Handset to a Base Unit P 13 22 4 2 Resetting only handset The only handset is reset by doing the following steps to Note 2 The registration of the base unit and the handset are cancelled If the handset needs to be registered to the base unit refer to Registering a...

Страница 70: ... Type RMA lower residue non cleaning type Note See ABOUT LEAD FREE SOLDER PbF Pb free P 4 23 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the 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 ...

Страница 71: ... Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 23 4 How to Remove a Solder Bridge 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below 71 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 72: ...24 CABINET AND ELECTRICAL PARTS BASE UNIT 72 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 73: ...pacity up to 750 mAh is available through sales route of Panasonic 2 This cable is fixed by welding Refer to HOW TO REPLACE THE HANDSET LCD P 18 3 Attach the spacer No 122 to the exact location described above 73 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 74: ...26 CABINET AND ELECTRICAL PARTS CHARGER UNIT 74 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 75: ...27 ACCESSORIES AND PACKING MATERIALS 27 1 KX TG1283BXS BXT Note 1 These pads are pieces of Ref No P3 GIFT BOX 75 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 76: ...27 2 KX TCA121CXS CXT 76 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 77: ...28 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 28 1 Base Unit 28 2 Handset 77 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 78: ...28 3 Charger Unit 78 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 79: ...KEY for KX TG1283BXS 10 PQSX10293Y KEYBOARD SWITCH TAM KEY for KX TG1283BXT 11 PQSX10292Z KEYBOARD SWITCH 16 KEY for KX TG1283BXS 11 PQSX10292Y KEYBOARD SWITCH 16 KEY for KX TG1283BXT 12 L0AA04A00028 SPEAKER 13 PQHR11082Z GUIDE SPEAKER POM HB 14 PQGG10294Z3 GRILLE CLEAR for KX TG1283BXS PC HB 14 PQGG10294Z4 GRILLE CLEAR for KX TG1283BXT PC HB 15 PQKM10685Y1 CABINET BODY for KX TG1283BXS PS HB 15 P...

Страница 80: ... 56 R40 ERJ3GEYJ335 3 3M R41 ERJ3GEYJ101 100 R42 ERJ3GEYJ273 27K R43 ERJ3GEYJ822 8 2K R44 ERJ3GEYJ272 2 7K R45 ERJ12YJ120 12 R46 ERJ12YJ270 27 R47 ERJ3GEYJ104 100K Ref No Part No Part Name Description Remarks R48 ERJ3GEYJ473 47K R49 ERJ3GEYJ560 56 R52 ERJ3GEYJ820 82 R54 ERJ3GEYJ821 820 R55 ERJ3GEYJ473 47K R56 ERJ3GEYJ103 10K R57 ERJ3GEYJ103 10K R61 ERJ2GEJ181 180 R62 ERJ2GEJ102 1K R64 ERJ2GEJ684 6...

Страница 81: ...No Part No Part Name Description Remarks C79 ECUV1C104KBV 0 1 C81 ECUV1C104KBV 0 1 C82 ECUV1C104KBV 0 1 C84 ECUV1C104KBV 0 1 C86 ECUV1C104KBV 0 1 C87 ECUV1C104KBV 0 1 C88 ECUV1H101JCV 100P C89 ECUV1H101JCV 100P C90 ECUV1H101JCV 100P C101 ECUV1H102KBV 0 001 C102 ECUV1H102KBV 0 001 C106 ECUV1C104KBV 0 1 C107 ECUV1C104KBV 0 1 C130 ECUV1H100DCV 10P C136 ECUE1H102KBQ 0 001 S C140 ECUV1H060DCV 6P S C141...

Страница 82: ...391Z PLASTIC PARTS BATTERY COVER SHEET for KX TCA122CXS CXT 121 PQHX11394Z PLASTIC PARTS BATTERY COVER SHEET for KX TCA121CXS CXT 122 PQHS10561Y SPACER BATTERY COVER 123 PQKK10583Z1 LID BATTERY COVER for KX TCA122CXS for KX TCA121CXS ABS HB 123 PQKK10583Z3 LID BATTERY COVER for KX TCA122CXT for KX TCA121CXT ABS HB 29 2 2 Main P C Board Parts Note 1 When replacing IC1 or IC3 data needs to be writte...

Страница 83: ... ECUE1H102KBQ 0 001 S C87 ECUV1H100DCV 10P C91 ECUE1H100DCQ 10P S C93 ECUV1H101JCV 100P C94 ECUV1H101JCV 100P C95 PQCUV1H100DC 10P S C97 ECUV1H100DCV 10P C98 ECUV1A475KB 4 7 C100 ECUE1H100DCQ 10P S C103 ECUV1H100DCV 10P C104 ECUV1A105KBV 1 C107 ECUV1H101JCV 100P C108 ECUE1H100DCQ 10P S C109 ECUE1H100DCQ 10P S C111 ECUE1H101JCQ 100P S C112 ECUE1H101JCQ 100P S C113 ECUV1H101JCV 100P C114 ECUE1H100DC...

Страница 84: ... A2 PQQX14634Z INSTRUCTION BOOK for English 1 A3 PQQX14635Z INSTRUCTION BOOK for Arabic 1 A4 PQQX14650Z INSTRUCTION BOOK for Persian 1 A5 PQQW15437Z LEAFLET BATTERY P1 PQPP10086Z PROTECTION COVER for Charger Unit P2 PQPP10084Z PROTECTION COVER for Handset P3 PQPK14634Z GIFT BOX 29 5 Screws Ref No Part No Part Name Description Remarks A XTW26 14PFJ7 TAPPING SCREW B XTW26 14PFJ7 TAPPING SCREW C XTW2...

Страница 85: ...1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagram and circuit board may be modified at any time with the development of new technology 30 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...

Страница 86: ...10p C303 2 2K R302 K820p C305 3 0 33 R305 MIC D301 4 7V R304 TP1 33 R303 C316 J22p CN3 SP 1 C315 D10p CN4 SP 1 39K R314 C314 K220p C313 K0 1u K0 1u C320 C312 D10p 1 CD 2 Vref 3 Vin 4 Vin 5 Vout1 6 V 7 GND 8 Vout2 100 R312 D311 470 R306 K0 1u C306 C170 NC R105 10K R18 F5 6K R19 F2 4K K0 1u C69 220 R10 220 R11 SA2 C207 NC 1005 C206 NC 1005 C203 NC C29 NC C199 NC C130 D10p C119 NC 2125 C114 NC 1005 N...

Страница 87: ... 1005 C160 D10p 1005 C162 D10p 1005 NC C165 1005 J22p C153 1005 R125 82 1005 CLK D10p C158 1005 D7p C157 1005 R122 NC 1005 R123 0 1005 TP10 CN6 1 KEY_INT0 2 KEY_INT1 3 KEY_INT2 4 KEY_INT3 5 KEY_INT4 6 KEY_OUT1 7 KEY_OUT2 8 KEY_OUT3 9 KEY_OUT4 10 KEY_OUT5 11 KEY_OUT6 12 SP_LED 13 INUSE_LED 14 NC 15 1APVCC 16 GND 17 ANS_LED 18 NC 19 SEG5 20 SEG6 21 SEG7 22 SEG8 23 SEG9 24 SEG10 25 COM1 26 COM2 27 SE...

Страница 88: ...Y_INT2 4 KEY_INT3 5 KEY_OUT0 6 KEY_OUT1 7 KEY_OUT2 8 KEY_OUT3 9 KEY_OUT4 10 KEY_OUT5 11 KEY_OUT6 12 LED0 13 LED1 14 NC 15 2APVCC 16 GND 17 ANS_LED 18 NC 19 SEG5 20 SEG6 21 SEG7 22 SEG8 23 SEG9 24 SEG10 25 COM1 26 COM2 27 SEG1 28 SEG2 29 SEG3 30 SEG4 R901 560 R902 82 R903 180 Q903 Q902 Q901 TCD340_240 only TCD340_240 only KX TG1283 SCHEMATIC DIAGRAM Base Unit_Operation NC No Components 88 KX TG1283...

Страница 89: ...Memo 89 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 90: ...2 5V X1 10 368MHz UP SOFT_A INT 1 2 3 0 1 8V R7 220K VDD3 Q3 J2 1 BATTERY C39 K1 0 L4 10uH VDD1 F1 5 6nH L5 10uH R47 5 6K C5 6 3V10 R1 0 1R 0 1W 2125 TP20 J3 1 CHARGE Q1 G S D D6 BATTERY J4 1 CHARGE R57 68 R43 0 1R 0 1W 2125 D7 MA2Z72000L Q5 TP21 L1 47uH Q4 BC807 40 C4 D10P C40 6 3V10 C3 K0 1 1 8V D1 SM140A T VDD2 C1 4V330 R5 470 R46 5 6K BAT C57 6 3V330 Q2 J1 1 BATTERY R72 1K 1005 R6 10K Q9 S1 PO...

Страница 91: ... 0 C12 K1 0 TP23 3 3V NC C67 1005 NC C76 C61 NC C64 NC 2125 C65 NC C59 NC 2125 R62 NC 1005 R55 NC 1005 NC C83 1005 R75 1K 1005 K1000P C84 1005 ANT D10P C70 D10P C69 R74 NC C109 D10P 1005 D10P C78 2125 D10P C79 2125 J10P C95 2125 C90 NC 1005 R85 33 1005 R25 330 1005 R26 330 1005 C10 K0 1 R86 33 2 2K R29 C103 D10P C87 D10P C17 D10P C123 D10P L9 33nH C13 NC NC D8 NC D10 C14 NC C15 NC C16 NC C38 NC C7...

Страница 92: ...ER UNIT J1 1 2 DC_PLUG TP2 Charge_minus TP1 Charge_plus TP3 TP4 D1 NC R1 NC NC R2 D11 22 R12 R11 22 SCHEMATIC DIAGRAM CHARGER UNIT NC No Components 92 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...

Страница 93: ...18 R19 R53 R162 R16 R106 R67 R69 R158 R157 R156 R145 RA4 RA5 R141 R140 R142 R150 R149 R148 R159 R94 R95 A R143 R153 R152 R151 MIC R307 R302 R160 R96 R97 R55 R376 R40 R56 R57 R64 R65 R164 R163 R365 R374 R90 P2_4 P3_6 P1_0 P2_7 P3_0 R89 R88 R98 R76 R77 R82 R92 R91 R74 R73 P2_0 P2_6 P2_1 P3_7 P3_5 P3_1 P3_2 P3_4 48 25 P3_3 P1_5 P1_3 ACSO P1_4 P1_2 P1_1 P0_3 P0_4 P0_5 P0_6 P0_7 R366 R123 R122 R3 R4 R2...

Страница 94: ...ACK RED CHARGE VDD4 GND PbF PQUP11280Z TP3 TX TP4 RX TP5 TP2 TP1 MIC D C M W B L U E L2T L1T L1R KX TG1283 CIRCUIT BOARD Base Unit_Main Flow Solder Side View CLK 10 368MHz for JIG RX TX GND VDD4 2 5V VDD2 4 0V VDD5 1 8V VDD3 3 0V KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT 94 ...

Страница 95: ... PLAYBACK ANSWER PAGE 3 2 12 6 5 9 8 0 1 1 30 1 CN901 4 7 MUTE REDIAL RECALL DOWN LED903 LED902 LED901 A SP_PHONE R901 Q901 R902 Q902 R903 Q903 PQUP11334Z KX TG1283 CIRCUIT BOARD Base Unit_Operation Component View KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT 95 ...

Страница 96: ...36 2 Flow Solder Side View KX TG1283 CIRCUIT BOARD Base Unit_Operation Flow Solder Side View A PbF W1 PQUP11334Z KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT 96 ...

Страница 97: ...C38 C77 R61 R71 R40 R39 R64 D5 D8 D4 R60 JTAG R97 R63 VDD1 VDD2 POWER R91 C93 C41 C4 C94 C22 C72 R15 R57 R96 C116 C117 C122 C113 C24 R68 C100 C20 C7 R21 R20 BAT GND C57 C1 C53 CN6 C51 C50 C48 C49 C67 B 17 26 10 1 C84 R75 PbF IC1 IC3 IC2 X1 C21 R90 C18 C96 R92 R72 C99 C23 R87 R7 C114 R94 C120 C115 C71 R89 R88 C39 R26 C90 C103 R38 R37 C17 C109 C87 C12 L1 R12 R81 C118 C104 C5 C8 Q4 Q11 Q2 Q3 Q10 Q1 Q...

Страница 98: ...FT 1 2 3 6 5 7 0 LED6 LED5 R 4 9 8 INT MIC TALK LED7 LED4 LED9 LED1 LED2 LED3 R95 R70 C31 C32 C28 R73 C52 C30 C35 C33 C34 L8 R69 R65 C121 C27 KX TCA122 121 CIRCUIT BOARD HANDSET Flow Solder Side View KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT 98 ...

Страница 99: ... View D1 A 38 2 Flow Solder Side View TP3 TP2 TP1 D11 WHITE BLUE R12 PbF R11 R1 R2 TP4 PQUP11305Z CIRCUIT BOARD CHARGER UNIT Flow Solder Side View A 99 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT F N KXTG1283BXS KXTG1283BXT KXTCA122CXS KXTCA122CXT KXTCA121CXS KXTCA121CXT ...

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