Matsushita Electric KX-TCD952NLB Service Manual Download Page 3

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2. DISASSEMBLY INSTRUCUTIONS

Summary of Contents for KX-TCD952NLB

Page 1: ...007643A2 Telephone Equipment KX TCD952NLB Digital Cordless Phone for Holland SPECIFICATIONS 2000 Kyushu Matsushita Electric Co Ltd All rights reserved Unauthorized copying and distribution is a violat...

Page 2: ...1 LOCATION OF CONTROLS 2...

Page 3: ...2 DISASSEMBLY INSTRUCUTIONS 3...

Page 4: ...3 SETTINGS 3 1 INSTALLING THE BATTERIES IN THE HANDSET Install the batteries as shown Then install the handset cover 4...

Page 5: ...adaptor cord and the telephone line cord to the bottom of the unit Then connect the cords as shown USE ONLY WITH Panasonic AC ADAPTOR KX TCA11CE Be careful not to confuse the telephone line jack with...

Page 6: ...feel warm during use The unit will not work during a power failure We recommend you connect a standard telephone on the same line for power protection If your unit is connected to a PBX which does no...

Page 7: ...INSTALLING THE HANDSET CLIP You can hang the handset on your belt or pocket using the belt clip 4 OPERATIONS 4 1 MAKING CALLS 4 1 1 TURNING THE POWER ON 4 1 2 TO DIAL AFTER CONFIRMING THE ENTERED NUMB...

Page 8: ...4 1 3 TO REDIAL THE LAST NUMBER DIALLED 4 1 4 TO REDIAL AFTER CONFIRMING THE NUMBERS IN REDIAL MEMORY 4 2 ANSWERING CALLS 4 3 SETTING THE RECEIVER VOLUME 8...

Page 9: ...4 4 SELECTING THE HANDSET RINGER VOLUME 4 5 SELECTING THE BASE UNIT RINGER VOLUME 9...

Page 10: ...Fig 16 with the tip of minus screwdriver 2 Remove the solder of each pin on RF unit then remove the RF unit from the P C Board 3 After soldering the new RF unit on the P C Board surely put the hotmelt...

Page 11: ...6 BLOCK DIAGRAM RF UNIT BASE UNIT 11...

Page 12: ...7 BLOCK DIAGRAM BASEBAND SECTION AND LINE INTERFACE BASE UNIT 12...

Page 13: ...8 CIRCUIT OPERATION BASE UNIT 8 1 R F SECTION SEE BLOCK DIAGRAM Fig 17 8 2 THE BASE BAND SECTION SEE BLOCK DIAGRAM Fig 18 8 2 1 INTRODUCTION 13...

Page 14: ...Fig 19 The 1 Mbit IC102 Flash PROM contains the operational firmware for the microcontroller It is interfaced to the data address control bus using address lines A0 to A16 data lines D0 to D7 and chi...

Page 15: ...IC101 When pressed the base transmits a message to the handset which then beeps 8 2 7 FACTORY SERIAL PORT SEE Fig 19 In order to communicate with the handset during manufacture and servicing using a P...

Page 16: ...the Line Interface TXAF TP123 enters the BBIC on pin 58 R111 and C113 are to balance the line input amplifier into the ADC part of the codec where it is sampled and turned into digital data The burst...

Page 17: ...INTERFACE SEE Fig 21 The telephone line is connected via 2 or 3 jumpers selected for country of destination to a bridge rectifier D8 Surge suppressor SA3 protects against excessive line voltages Test...

Page 18: ...by IC4 8 3 6 HOOKSWITCH AND PULSE DIALING SEE Fig 22 T8 is the hookswitch driven by T9 When the phone is off hook the HOOK control signal from the BBIC will be a high logic level 3V and all both tran...

Page 19: ...parate The 8 V supply from the AC Adaptor is connected via J2 pin 1 TP90 8 V and J2 pin 2 TP89 ground The unregulated 8 V supply is fed to the first regulator This regulator IC7 provides a regulated o...

Page 20: ...9 BLOCK DIAGRAM RF UNIT HANDSET 20...

Page 21: ...10 BLOCK DIAGRAM BASE BAND SECTION HANDSET 21...

Page 22: ...E BAND SECTION SEE BLOCK DIAGRAM Fig 25 11 1 1 INTRODUCTION The base band section consists of a base band integrated circuit BBIC a Flash PROM an EEPROM an LCD Display a Microphone an Earpiece and pow...

Page 23: ...pin 1 TP67 is used by the BBIC to send either commands or data Circuit Diagram 11 1 4 AUDIO PATH TX AUDIO SEE Fig 27 Balanced audio from the microphone TP40 and TP41 enters the BBIC at pins 61 and 63...

Page 24: ...cies used in the handset The crystal is tuned to the exact frequency of 10 368 MHz during manufacture by feeding a DC voltage from an internal DAC from pin 12 to the varicap diode D12 TP25 The RFCLK o...

Page 25: ...E Fig 29 A square wave signal from IC1 pin 45 is used to sound the buzzer via switching transistor T5 TP22 Various tones and cadences are used dependent on function Buzzer volume is varied by changing...

Page 26: ...with a constant current charger in the base L1 L2 D2 and D4 protect against electro static discharge ESD The charging current from the base is turned on and off by T1 using a control signal from the...

Page 27: ...nnect the AC adaptor 3 Connect the frequency counter to TP148 SCLK and J103 GND 4 Send batch file FIXFREQ BAT 5 Send SETFREQ BAT to set the clock frequency The default value is 80 Increase the value t...

Page 28: ...on button 6 Send batch file FIXFREQ BAT 7 Use batch file SETFREQ BAT to set the clock frequency The default value is 80 Increase the value to increase the frequency and vice versa The clock frequency...

Page 29: ...on the 10V supply 2 Check for approx 70 mA current on the 10V supply 3 Check the 4V supply voltage TP91 It must be 3 88 0 2V 4 Check the 3 3V supply voltage TP95 It must be 3 0 0 2V 5 Connect SCLK TP...

Page 30: ...CK TEST 1 Set the CMD60 to MANUAL TEST 2 Set the CMD60 TRAFFIC CARRIER to 5 3 Send batch file TESTMODE 4 On the CMD60 press SETUP CONNECT 5 Check the Power NTP It must be 20 to 25 dBm 6 Press MODULATI...

Page 31: ...green In Use LED is on 4 Set the line current to 40 mA on the line simulator 5 Send batch file ONHOOK 6 Check that the line current is 0 0 5 mA 7 Check if the green In Use LED is off 8 Send batch file...

Page 32: ...e ringing voltage has been detected 1 detected 14 7 CHARGE CURRENT TEST 1 Connect the 11V supply to J2 pin 6 and J2 pin 5 2 Connect the ammeter with a series load resistor of 56 2 W to J3 and J4 3 Swi...

Page 33: ...ock waveform is 10 368 000 kHz 40Hz 7 Send batch file SELF TEST The first 4 digits are FLASH ROM checksum the next 2 digits are RAM test and must be 00 15 3 SET CLOCK FREQUENCY 1 Send batch file RFCLK...

Page 34: ...uency Drift must be 0 45 kHz ms 9 Check the Frequency Offset must be 0 40 kHz 10 Send batch file WREE 00 16 nm to adjust the Deviation Max B Field with Data Type 01010101 Increase the value nm to incr...

Page 35: ...19 Press BEARER RELEASE Note These tests can be repeated on Traffic Carriers 0 and 9 16 TROUBLESHOOTING GUIDE 16 1 HANDSET DOES NOT OPERATE 35...

Page 36: ...36...

Page 37: ...16 2 HANDSET LINK 37...

Page 38: ...38...

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Page 40: ...16 3 HANDSET DOES NOT LINK 16 4 BASE UNIT DOES NOT CHARGE 40...

Page 41: ...16 5 HANDSET DOES NOT CHARGE 41...

Page 42: ...16 6 NO VOICE RECEPTION 42...

Page 43: ...16 7 NO VOICE TRANSMISSION 16 8 BASE UNIT DOES NOT LINK 43...

Page 44: ...17 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 44...

Page 45: ...18 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 45...

Page 46: ...19 ACCESSORIES AND PACKING MATERIALS 46...

Page 47: ...EMENT PARTS LIST This replacement parts list is for KX TCD952NLB only Refer to the simplified manual cover for other areas Notes 1 The marking RTL indicates that the Retention Time is limited for this...

Page 48: ...en replacing any of these components use only manufacture s specified parts 3 The S mark indicates service standard parts and may differ from production parts 4 RESISTORS CAPACITORS Unless otherwise s...

Page 49: ...NT TRANSISTOR SI T9 PQVTBF822T7 TRANSISTOR SI T13 2SD1994A TRANSISTOR SI T14 2SD601A TRANSISTOR SI T15 2SD1664Q TRANSISTOR SI T16 2SA1037K TRANSISTOR SI T101 PQVTBC80725T TRANSISTOR SI S T102 UN521 TR...

Page 50: ...ZZER RESISTORS R3 PQ4R18XJ472 4 7k R4 ERJ3GEYJ103 10k R5 PQ4R18XJ565 5 6M R6 ERJ3GEYJ334 330k R7 PQ4R18XJ565 5 6M R8 ERJ3GEYJ334 330k R13 ERJ3GEYJ223 22k R14 ERJ3GEYJ223 22k R19 ERJ3GEYJ394 390k R20 E...

Page 51: ...3 3k R101 ERJ3GEYJ102 1k R102 ERJ3GEYJ103 10k R103 ERJ3GEYJ151 150 R104 ERJ3GEYJ151 150 R105 ERJ3GEYJ105 1M R106 ERJ3GEYJ105 1M R107 ERJ3GEYJ101 100 R108 ERJ3GEYJ560 56 R110 ERJ3GEYJ101 100 R111 ERJ3...

Page 52: ...001 C16 ECUV2H681KB 680P C17 ECUV2H681KB 680P C18 ECUV2H681KB 680P C21 ECEA1HKS100 10 C22 ECUV1H103KBV 0 01 C25 ECUV1H100DCV 10P C27 ECUV1H472KBV 0 0047 C29 PQCUV1C224KB 0 22 C33 ECUV1C104KBV 0 1 C34...

Page 53: ...V 0 001 C125 PQCUV1H681JC 680P C136 PQCUV1C224KB 0 22 C137 ECUV1H100DCV 10P C139 ECUV1C104KBV 0 1 C140 ECUV1C104KBV 0 1 C141 ECUV1C104KBV 0 1 C142 ECUV1C104KBV 0 1 C143 ECUV1C104KBV 0 1 C144 ECUV1C104...

Page 54: ...NET S 115 PQSA10085Z ANTENNA 116 PQSX10100Z RUBBER KEYPAD 117 PQYF10149Y1 REAR CABINET S 20 2 2 MAIN P C BOARD PARTS Ref No Part No Part Name Description Remarks PCB100 PQWPCD952GRA MAIN P C BOARD ASS...

Page 55: ...J9 PQJS30B11Z CONNECTOR LS2 PQJT10161Z SPEAKER TERMINAL LS2 PQJT10161Z SPEAKER TERMINAL RESISTORS R1 ERJ3GEYJ103 10k R2 PQ4R10XJ122 1 2k R3 PQ4R18XJ471 470 R4 ERJ3GEYJ682 6 8k R5 ERJ3GEYJ103 10k R6 E...

Page 56: ...00 C4 ECUV1H100DCV 10P C5 PQCUV1C224KB 0 22 C6 ECUV1H100DCV 10P C7 PQCUV1C105ZF 1 C9 ECUV1C104KBV 0 1 C10 ECUV1H100DCV 10P C11 ECUV1H103KBV 0 01 C12 ECUV1H102KBV 0 001 C13 ECUV1H390JCV 39P C14 ECUV1H3...

Page 57: ...1H100DCV 10P RF UNIT PARTS RFM100 PQLZ10007Z RF BLOCK 20 2 3 ACCESSORIES AND PACKING MATERIALS Ref No Part No Part Name Description Remarks A1 KX TCA11CE AC ADAPTOR A2 PQJA10036Z TEL CORD A3 PQKE10071...

Page 58: ...22 1 SCHEMATIC DIAGRAM HANDSET U Q KXTCD952NLB UK Printed in Japan 58...

Page 59: ...D5 C75 C74 C25 R27 R28 C24 C68 C26 T2 D14 IC3 R48 R47 T3 R6 C4 R31 C65 C68 C22 R29 R50 R2 R1 T1 R3 C1 L1 D2 D3 J1 D6 D7 F1 C2 D1 D15 C67 C30 C21 R26 C16 R32 C18 C19 D13 J5 J7 J6 J8 T5 C10 D11 IC2 BZ1...

Page 60: ...ON HOOK 10 0V OFF HOOK 2 5V ON HOOK 2 5V ON HOOK 1 9V ON HOOK 9 9V ON HOOK 9 9V ON HOOK 0V 46V ON HOOK 48V OFF HOOK 0V ON HOOK 0 7V OFF HOOK 60msec 200msec 3V 0 t 3V 0V FREQ 3 456MHz 1 7V 0 1V 10 368...

Page 61: ...9V 2 9V 2 9V 2 9V 0V 0V 0V 2 9V 0V 0V 0V 0V 2 9V 0V 0V 2 9V LED ON 1 4V LED OFF 2 5V LED ON 1 1V LED OFF 0V 700mV 0V 3 9V 0V 10 368MHz 5msec 1 6Vp p 10 368MHz 0 4V 2 9V 0V 3 9V 0 4V 2 9V 2 3V WHEN TAL...

Page 62: ...R53 ICT D11 D13 T14 R62 R61 C37 C38 T15 T16 R63 R64 R65 R66 DL DE LI T7 R33 R34 T9 R36 R35 R30 R25 C20 D3 D4 C25 T8 IC2 C145 C156 C1 R3 D2 R24 R23 R13 D9 C36 C140 D104 16 1 1 C148 C45 R113 C127 C44 R1...

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