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Panasonic KX-TC1503B - 900 MHz Digital Cordless Phone, Service Manual, Page: 61 / 86

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Panasonic KX-TC1503B - 900 MHz Digital Cordless Phone Service Manual Download Page 61

Ref. No.

Part No.

Part Name & Description

Remarks

C103 

ECEA0JU102 

1000

C105 

PQCUV1C334KB  0.33

C106 

ECUV1C104ZFV  0.1

C107 

ECEV0JA220 

22

C108 

ECEV0JA101 

100

C109 

ECUV1H103KBV  0.01

 S

C110 

ECUV1C104ZFV  0.1

C112 

ECEA1AKA101 

100

C114 

ECEA1CKS220 

22

 S

C150 

ECUV1C104ZFV  0.1

C200 

ECUV1C104ZFV  0.1

C201 

ECUV1H681JCV  680P 

 S

C207 

ECUV1C104ZFV  0.1

C213 

ECUV1C104ZFV  0.1

C227 

ECUV1H180JCV  18P 

C228 

ECUV1H150JCV  15P 

C230 

ECST0JY106 

10

C231 

ECUV1C104ZFV  0.1

C234 

ECUV1H103KBV  0.01

 S

C235 

ECUV1H103KBV  0.01

C236 

ECUV1H103KBV  0.01

C237 

ECST0JY106 

10

C238 

ECUV1H103KBV  0.01

 S

C239 

ECEA0JU331 

330

C241 

ECUV1C104ZFV  0.1

C242 

ECUV1H272KBV  0.0027

C244 

ECUV1C104KBV  0.1

C250 

ECUV1C104KBV  0.1

C251 

ECUV1C104ZFV  0.1

C252 

ECUV1C104ZFV  0.1

C300 

ECUV1H101JCV  100P 

C301 

ECUV1H101JCV  100P 

C302 

ECUV1H101JCV  100P 

C303 

ECUV1H101JCV  100P 

C304 

ECUV1H101JCV  100P 

C305 

ECUV1H101JCV  100P 

C306 

ECUV1H101JCV  100P 

C307 

ECUV1H101JCV  100P 

C308 

ECUV1C104ZFV  0.1

C309 

ECUV1C104ZFV  0.1

C310 

ECUV1H101JCV  100P 

C311 

ECUV1H101JCV  100P 

C312 

ECUV1H101JCV  100P 

C313 

ECUV1H101JCV  100P 

C315 

ECUV1H101JCV  100P 

C401 

ECUV1H103KBV  0.01

 S

C403 

ECUV1H330JCV  33P 

C404 

ECUV1H101JCV  100P 

C405 

ECUV1H101JCV  100P 

C406 

ECUV1H101JCV  100P 

C407 

ECUV1H101JCV  100P 

C408 

ECUV1H101JCV  100P 

C409 

ECUV1H030CCV  3P 

C410 

ECUV1H101JCV  100P 

Summary of Contents for KX-TC1503B - 900 MHz Digital Cordless Phone

Page 1: ... KX TC1503B KX TC1503W 900MHz Digital Cordless Answering System Black Version White Version for U S A for Panama SPECIFICATIONS 2001 Kyushu Matsushita Electric Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law ...

Page 2: ...bout 15 hours before initial use The IN USE CHARGE HOLD indicator lights Recharge When the RECHARGE indicator flashes or the unit beeps intermittently recharge the battery for about 15 hours If you DO NOT recharge the handset battery for more than 15 minutes the RECHARGE indicator will continue to flash ...

Page 3: ...2 LOCATION OF CONTROLS 2 1 Base unit ...

Page 4: ......

Page 5: ...2 2 Handset 3 DISPLAY 3 1 Base Unit Display ...

Page 6: ...4 CONNECTIONS ...

Page 7: ...PTOR KX TCA1 G The AC adaptor must remain connected at all times It is normal for the adaptor to feel warm during use 4 1 Adding Another Phone This unit will not function during a power failure To connect a standard telephone on the same ...

Page 8: ...line use the Panasonic T adaptor KX J66 5 OPERATION 5 1 Making Calls ...

Page 9: ......

Page 10: ...5 2 Answering Calls ...

Page 11: ...5 3 Automatic Answering Operation 5 3 1 Setting the Unit to Answer Calls ...

Page 12: ...5 4 Listening to Messages ...

Page 13: ...5 4 1 During playback ...

Page 14: ...5 5 FLASH Button ...

Page 15: ...6 DISASSEMBLY INSTRUCTIONS ...

Page 16: ......

Page 17: ... Remove the P C Board 3 Antenna Screw 2 6 X 12 B X 1 Speaker Screws 3 X 8 C X 3 4 Battery Cover Remove the Battery Cover 5 Rear Cabinet Screws 2 6 X 12 D X 2 6 Rear Cabinet Remove the Rear Cabinet 7 Main P C Board Screw 2 6 12 E 1 Screws 2 6 10 F 2 Remove the lead Remove the P C Board ...

Page 18: ...LESHOOTING GUIDE Cross Reference Check Power Error Message Table Check Record Check Playback Check Battery Charge Check Link Check the RF Unit Check Handset Transmission Check Handset Reception 7 1 Check Power ...

Page 19: ...Cross Reference Power Supply Circuit Reset Circuit NOTE Flash Memory is IC300 DSP is IC201 7 2 Error Message Table NOTE Flash Memory is IC300 DSP is IC201 ...

Page 20: ...7 3 Check Record Cross Reference Telephone Line Interface Auto Disconnect Circuit Parallel Connection Detect Circuit Signal Route NOTE Flash Memory is IC300 DSP is IC201 7 4 Check Playback ...

Page 21: ...Cross Reference Power Supply Circuit NOTE Flash Memory is IC300 DSP is IC201 7 5 Check Battery Charge ...

Page 22: ...Flash Memory is IC300 DSP is IC201 7 6 Check Link 1 Refer to Finding out the Defective Unit Cross Reference Check the RF Unit Power Supply Circuit Power Supply Circuit NOTE Flash Memory is IC300 DSP is IC201 ...

Page 23: ...This test simulates the handset is at very large distance from the base unit and the TX signal from handset to base is very small Procedure First place handset jig on base under test to charge exchange security code press CLEAR and then TALK to operate The LCD will show TALK This means that the base unit sensitivity is OK HS JIG becomes NORMAL POWER mode immediately after the power supply turning ...

Page 24: ...the base unit while pushing and key at the same time within 5 seconds after Power supply the portable unit Refer to fixation CH table figure 1 for the key This test simulates the handset is at very large distance from the base unit and the TX signal from base to handset is very small Procedure First place handset under test to charge exchange security code then remove handset from base after you h...

Page 25: ... disconnect battery Re install battery place unit on cradle to get security codes and tries again 2 Only KX TC1703 with marks BS JIG HS JIG can be used for troubleshooting However regular production set also can be used as a JIG Fig Using TC1703 Base Unit jig KX TC1703 is used as the jig 7 7 3 RF Check Flowchart ...

Page 26: ... Details of confirmation items are following in Check Table for RF Block NOTE Flash Memory is IC300 DSP is IC201 7 7 4 Check Table for RF Block ...

Page 27: ...n Procedure 1 Put RF wire to ANT and ANT_GND See Base Unit Reference Drawing Connect this wire Marconi or Spectrum Analyzer 2 Set Test mode 3 Confirm TX power level within 3 5dBm 2 0 158 1 58mW 1 Put RF wire to ANT and ANT_GND Handset Reference Drawing 2 Set Test mode 3 Confirm TX power level within 3 0 158 1 58mW Check point 1 Check C102 C103 C161 L102 L111 R147 soldering 2 Check Antenna in BS 1 ...

Page 28: ...NOTE Flash Memory is IC300 DSP is IC201 7 7 5 RF DSP interface signal wave form ...

Page 29: ...ndset Transmission Cross Reference Signal Route 7 9 Check Handset Reception Cross Reference Signal Route NOTE When checking the RF UNIT Refer to Check the RF Unit 8 TEST MODE 8 1 Test mode flow chart for Base Unit ...

Page 30: ... 1 See Base Unit Reference Drawing Should return to OPEN after entering the Test mode 2 It shows whether the telephone line is connected or not ON OFF HOOK OFF ON HOOK 8 2 TAM Test mode flow chart ...

Page 31: ...8 3 Test mode flow chart for Handset ...

Page 32: ...est mode 8 4 X101 Check The confirmation is made under the Continuous Send mode of TEST MODE Equipment Frequency counter TP for adjustment TP_ANT Measure range 902 713 MHz 5 kHz 1ch at Test Standby mode in TEST MODE 8 5 Base Unit Reference Drawing 8 6 Handset Reference Drawing ...

Page 33: ...ex TDD operation Transmission reception between the base unit and handset is performed by time sharing as shown in Fig 7 1 slot time of transmission and reception is 1mS Same frequency is used in transmitting and receiving The figure shows an example the frequency of 3ch is used in transmitting between the base unit and handset Fig 7 9 2 1 TDD Frame Format The TDD frame is 2mS in length Each subfr...

Page 34: ...enna As for the handset RF signal from the antenna is input to RFIC passing through filter L111 then input to DSP IC201 DSP performs ADPCM decoding to convert the signal into the voice signal then it is output to the speaker Transmission The voice signal input from the microphone is led to DSP IC201 The DSP generates ADPCM signal As well as the reception it is converted into the RF signal by RFIC ...

Page 35: ...10 EXPLANATION OF BBIC Base Band IC DATA COMMUNICATION 10 1 Calling ...

Page 36: ...10 2 To Terminate Communication 10 3 Ringing ...

Page 37: ...uired in a digital telephone answering machine The DSP system is fully controlled by a host processor DSP The host processor provides activation and control of all that functions as follows 12 1 DSP Digital Speech Signal Processing IC201 Voice Message Recording Play back The DSP system use a proprietary speech compression technique to record and store voice message in FLASH MEMORY An error correct...

Page 38: ...er or the voice signal from speakerphone microphone is transmitted to the Telephone line etc They are determined by the signal path route operation of voice signal Block Interface Circuit RF unit LED Key scan Speaker Microphone Telephone line LCD 12 2 Flash Memory IC300 Following information data is stored Voice signal ex Pre recorded Greeting message Incoming message Telephone number etc ex Telep...

Page 39: ...5 mA on the average to prevent from overcharging Normal charge Q150 is ON Trickle charge Q150 is OFF 12 4 Reset Circuit Function This circuit is used for to initialize the microcomputer when it incorporates an AC adaptor Circuit Operation When the AC Adaptor is inserted into the unit then the voltage is shifted by IC100 D101 and power is supplied to the DSP The set can operate beyond point in the ...

Page 40: ... IC201 Thus a monitor tone is heard from the speaker 2 At the same time flashing of the IN USE CHARGE LED202 is obtained from pin 70 of IC201 This status is called Intercom stand by 3 The receiving signal flows RF pins 29 and 31 of IC201 SP 4 The transmission signal flows MIC C235 C236 R213 R214 pins 46 and 47 of IC201 RF 12 6 Telephone Line Interface ...

Page 41: ...When the CPU DSP detects a ring signal and press the TALK key onto the handset Q4 turns on thus providing an off hook condition active DC current flow through the circuit and the following signal flow is for the Loop current T D4 Q4 R1 R2 C1 R3 R5 D1 D4 L2 POS1 R ON HOOK Circuit Q4 is open Q4 is connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an on h...

Page 42: ...sable call waiting and stutter tone functions when using telephones connected in parallel it is necessary to have a circuit that judges whether a telephone connected in parallel is in use or not This circuit determines whether the telephone connected in parallel is on hook or off hook by detecting changes in the T R voltage Circuit Operation Parallel connection detection when on hook When on hook ...

Page 43: ...12 9 Signal Route Each signal route is as follows ...

Page 44: ...et 14 1 Construction The circuit mainly consists of DSP and RF unit as shown in the block diagram 14 1 1 DSP IC201 Function Battery Low Power down defect circuit Ringer Generation Interface circuit RF unit speaker mic LED Key scan Headset 14 1 2 RF unit ...

Page 45: ...tely to each block as shown the Block Diagram below 14 3 Charge Circuit Ni Cd battery is connected to CN202 When the handset is put on the cradle of the base unit the power is supplied from CHARGE1 and CHARGE2 terminals to charge the battery Q207 detects the voltage of CHARGE1 and CHARGE2 terminals then the handset makes ID code setting with the base unit 14 4 Ringer and Handset SP Phone DSP 29 31...

Page 46: ...supplied from Q211 and the power is turned OFF on standby 14 6 Reception Signal The voice signal from the base unit is output to DSP 33 HSSOUT This signal is led to the headset jack CN203 and DSP 44 HSMIP The signal input to DSP 44 is inverted and output to DSP 34 LOUTO The signal through the headset jack is inverted then output from DSP 34 to drive the speaker When the headset is inserted to the ...

Page 47: ...15 CPU DATA Base Unit 15 1 IC201 ...

Page 48: ...16 CPU DATA Handset 16 1 IC201 ...

Page 49: ...17 EXPLANATION OF IC TERMINALS RF Unit 17 1 IC101 ...

Page 50: ......

Page 51: ...of Copper Rod 662 50 F 350 10 C An expert may handle between 60 W to 80 W iron but beginner might damage foil by overheating Flux HI115 Specific gravity 0 863 Original flux will be replaced daily 18 2 Procedure 1 Temporary fix FLAT PACKAGE IC by soldering on two marked 2 pins Most important matter is accurate setting of IC to the corresponding soldering foil 2 Apply flux for all pins of FLAT PACKA...

Page 52: ...on of arrow as sliding the soldering iron 18 3 Modification Procedure of Bridge 1 Re solder slightly on bridged portion 2 Remove remained solder along pins employing soldering iron as shown in below figure 19 CABINET AND ELECTRICAL PARTS Base Unit ...

Page 53: ...20 CABINET AND ELECTRICAL PARTS Handset ...

Page 54: ...21 ACCESSORIES AND PACKING MATERIALS ...

Page 55: ...22 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 22 1 Base Unit 22 2 Handset ...

Page 56: ...e of assembly and in accordance with the laws governing part and product retention After the end of this period the assembly will no longer be available 2 Important safety notice Components identified by a mark special characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark indicates service standard parts and may differ from ...

Page 57: ...E10131Z2 HOOK LEVER for KX TC1503W S 9 PQKE10134Z1 HOOK KNOB for KX TC1503B S 9 PQKE10134Z2 HOOK KNOB for KX TC1503W S 10 PQKM10494Z1 UPPER CABINET for KX TC1503B S 10 1AKM10494Z2 UPPER CABINET for KX TC1503W S 11 PQQT22304Z TAM LABEL 12 PQSA10095Z ANTENNA for KX TC1503B 12 PQSA10095Y ANTENNA for KX TC1503W 13 PQSX10173Z TAM KEY RUBER SWITCH for KX TC1503B 13 PQSX10173Y TAM KEY RUBER SWITCH for KX...

Page 58: ...R0 DIODE SI S D2 PQVDRLZ20A DIODE SI S D3 MA111 DIODE SI D4 PQVDS1ZB60F1 DIODE SI D101 PQVDHRU0302A DIODE SI S D102 PQVDHRU0302A DIODE SI S D103 MA8039 DIODE SI D105 PQVDHRU0302A DIODE SI S D106 PQVDHRU0302A DIODE SI S D107 MA8068M DIODE SI D152 PQVDRLZ20A DIODE SI S D153 PQVDRLZ20A DIODE SI S D202 MA111 DIODE SI D203 MA111 DIODE SI LEDS LED202 PQVDSML310MT LED S LED203 PQVDEL1921SR LED COILS L1 P...

Page 59: ... 100k S R21 ERJ3GEYJ103 10k R23 ERDS1VJ106 10M R24 ERJ3GEYJ275 2 7M R25 ERJ3GEYJ155 1 5M R26 ERJ3GEYJ472 4 7k R29 ERJ3GEYJ472 4 7k R30 ERJ3GEYJ104 100k R31 ERJ3GEYJ104 100k R50 ERJ3GEYJ102 1k R51 ERJ3GEYJ470 47 R52 ERJ3GEYJ394 390k R55 ERJ3GEYJ102 1k R57 ERJ3GEY0R00 0 R70 ERJ3GEYJ392 3 9k R102 ERJ3GEYJ224 220k R104 ERJ3GEYJ473 47k R105 ERJ3GEYJ103 10k R107 ERJ3GEYJ331 330 R109 ERJ3GEYJ683 68k R112...

Page 60: ...2 ERJ3GEYJ102 1k R300 ERJ3GEYJ104 100k R301 ERJ3GEYJ103 10k R400 ERJ3GEYJ332 3 3k R900 ERJ3GEYJ472 4 7k R901 ERJ3GEYJ472 4 7k R909 ERJ3GEYJ101 100 R910 ERJ3GEYJ472 4 7k R911 ERJ3GEYJ472 4 7k R912 ERJ3GEYJ472 4 7k C57 ERJ3GEY0R00 0 C61 ERJ3GEY0R00 0 J201 ERJ3GEYJ472 0 J202 ERJ3GEY0R00 0 CAPACITORS C1 ECEA1CKA100 10 C3 ECUV1C473KBV 0 047 C4 ECUV1H101JCV 100P C6 ECUV1H103KBV 0 01 C8 ECEA1HKA010 1 C9 ...

Page 61: ... C238 ECUV1H103KBV 0 01 S C239 ECEA0JU331 330 C241 ECUV1C104ZFV 0 1 C242 ECUV1H272KBV 0 0027 C244 ECUV1C104KBV 0 1 C250 ECUV1C104KBV 0 1 C251 ECUV1C104ZFV 0 1 C252 ECUV1C104ZFV 0 1 C300 ECUV1H101JCV 100P C301 ECUV1H101JCV 100P C302 ECUV1H101JCV 100P C303 ECUV1H101JCV 100P C304 ECUV1H101JCV 100P C305 ECUV1H101JCV 100P C306 ECUV1H101JCV 100P C307 ECUV1H101JCV 100P C308 ECUV1C104ZFV 0 1 C309 ECUV1C10...

Page 62: ...0102W ANTENNA KX TC1503W S 105 PQGT14617Z NAME LABEL 106 PQHE10121Z CUSHION URETHANE FORM 107 PQHG10589Y SP RUBBER SHEET 108 PQHR10778Z SP HOLDER 109 PQHR10855Z SP HOLDER 110 PQHR10865Z LED LENSE 111 PQHS10457Z SP NET 112 PQP504SVC BATTERY S 113 PQSX10174Y KEY RUBBER SWITCH KX TC1503B 113 PQSX10174W KEY RUBBER SWITCH KX TC1503W 114 PQJT10176Z CHARGE TERMINAL L 115 PQJT10177Z CHARGE TERMINAL R 116 ...

Page 63: ...D S LED209 PQVDEL1921SR LED LED210 PQVDSML310MT LED S COILS L201 MQLRE15NJF COIL L203 PQLQR3FL121 COIL S L211 PQLQR4RB601D COIL L212 PQLQR4RB601D COIL CONNECTORS CN202 PQJP2D13Z CONNECTOR PIN S CN203 PQJJ1J007Z EAR JACK S OTHERS E101 PQJM147Y MICROPHONE G1 PQJT10152Z CHARGE TERMINAL G2 PQJT10152Z CHARGE TERMINAL G3 PQJT10152Z CHARGE TERMINAL G4 PQJT10152Z CHARGE TERMINAL G5 PQJT10152Z CHARGE TERMI...

Page 64: ...3GEYJ104 100k R300 ERJ3GEYJ104 100k R302 ERJ3GEYJ180 18 R303 ERJ3GEYJ180 18 C301 ERJ3GEY0R00 0 L209 PQ4R10XJ000 0 S CAPACITORS C203 ECUV1C104ZFV 0 1 C205 ECUV1H101JCV 100P C213 ECEV0JA101 100 C214 ECUV1C104ZFV 0 1 C217 ECUV1C104ZFV 0 1 C218 ECUV1C104ZFV 0 1 C220 ECEV0JA101 100 C221 ECUV1C104ZFV 0 1 C222 ECUV1C104ZFV 0 1 C223 ECST0JY106 10 C224 ECUV1C104ZFV 0 1 C225 ECUV1C104ZFV 0 1 C226 ECUV1C104Z...

Page 65: ...ption Remarks A1 KX TCA1 G AC ADAPTOR A2 PQJA10075Z TEL CORD A3 PQKE10130Z1 BELT CLIP KX TC1503B S A3 PQKE10130Z2 BELT CLIP KX TC1503W S A4 PQKL10035Z1 WALL MOUNT ADAPTOR KX TC1503B S A4 PQKL10035Z2 WALL MOUNT ADAPTOR KX TC1503W S A5 PQQW12431Z QUICK GUIDE for English A6 PQQW12432Z QUICK GUIDE for Spanish A7 PQQX13049Z INSTRUCTION BOOK P1 PQPP170Y PROTECTION COVER for Base Unit P2 XZB10X35A02 PROT...

Page 66: ... ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology 24 3 Memo 25 SCHEMATIC DIAGRAM RF Unit 26 SCHEMATIC DIAGRAM Base Unit 27 SCHEMATIC DIAGRAM Handset 28 CIRCUIT BOARD RF Unit 29 CIRCUIT BOARD Base Unit 29 1 Component View 29 2 Flow Solder Side View 30 CIRCUIT BOARD Handset 30 1 Component View 30 2 Flow Solder Side View M KXTC1503B ...

Page 67: ...IC300 IC202 IC331 IC332 IC100 IC201 ANT GND ANT COMPONENT VIEW TEST ...

Page 68: ...Line A Line B FLOW SOLDER SIDE VIEW ...

Page 69: ...100Ω ANT GND HANDSET COMPONENT VIEW ANT TEST PULL UP SP SP MIC MIC 10µ 10µ IC203 IC201 IC202 IC204 IC205 ...

Page 70: ...32 IC100 IC331 Q151 Q50 Q7 D4 Q1 Q4 Q6 Q108 3 6V 3 2V IC201 MIP HSMIP LOUTO MIN IC300 COM1 2 SEG3 12 LINO VMOD MODEN OSCIN BMCCLK CLK DATA LE RXEN TXEN RADIO EN SHCTRL RSSI RXDATA RXI Key Scan LCD CON LCD Key matrex ...

Page 71: ...TX RX 16 2 15 14 13 12 11 10 9 8 7 6 5 4 IC101 IC102 ...

Page 72: ...15P 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 IC201 IC202 NC IC300 ...

Page 73: ...TALK TX TALK RX 3 2V 6 0V 3 3V 3 6V 9V DC KX TC1503B W SCHEMATIC DIAGRAM Base Unit Output Input 1 1kHz 140mVp p 25dBm 600 2 7M IC331 IC100 IC332 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 for H S ...

Page 74: ...TALK TX TALK RX 3 2V 6 0V 3 3V 3 6V 9V DC KX TC1503B W SCHEMATIC DIAGRAM Base Unit Output Input 1 1kHz 140mVp p 25dBm 600 2 7M IC331 IC100 IC332 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 for H S ...

Page 75: ...IC202 1 2 3 4 12 13 15 17 29 30 34 35 37 38 40 42 48 41 16 ...

Page 76: ...X 6 3V 22µ IC203 IC205 IC201 IC204 3 3V 3 3V Headset Headset Input 1 1kHz 43dBm 600 Input 1 1kHz 18mVp p 45dBm 600 1 2 3 4 12 13 15 17 29 30 34 35 37 38 40 42 48 41 16 KX TC1503B W SCHEMATIC DIAGRAM Handset ...

Page 77: ...X 6 3V 22µ IC203 IC205 IC201 IC204 3 3V 3 3V Headset Headset Input 1 1kHz 43dBm 600 Input 1 1kHz 18mVp p 45dBm 600 1 2 3 4 12 13 15 17 29 30 34 35 37 38 40 42 48 41 16 KX TC1503B W SCHEMATIC DIAGRAM Handset ...

Page 78: ...IC101 IC102 ...

Page 79: ...UART_TX 1 30 50 31 51 80 81 100 1 22 23 44 1 G 2 3 4 5 6 7 8 9 10 11 12 13 G G 15 16 14 G G G G G 18 17 G TP_SYNCWIN TP_SYNDET VRF LINO Min Mic input Mip X tal CLK Reset RST Power Down PDN Vcc 3 3V B CHARGE CTL HS MIP Vcc 3 3V Louto Bell B Vcc 3 2V D ...

Page 80: ......

Page 81: ...IC203 IC201 IC202 IC204 IC205 1 G 2 3 4 5 6 7 8 9 10 11 12 13 G G 15 16 14 G G G G G 18 17 G MICM MICP 1 100 30 31 50 51 80 81 ...

Page 82: ......

Page 83: ...istribution is a violation of law KX TC1503B KX TC1503W 900MHz Digital Cordless Answering System Black Version White Version for U S A for Panama 2 SUP 1 KM40108802S7 3 Telephone Equipment Please file and use this supplement manual together with the service manual mentioned below CONTENTS Page Page ORDER NO KM40701642SE F11 ...

Page 84: ...ERENCE CHART 1 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS for KX TC1503B KX TC1503W Ref No Part No Part Name Description Pcs Set Remarks Notes Time of Change Original Old New Suffix A1 KX TCA1 G KX TCA1 3 AC Adaptor 1 a 4 W 2 KX TC1503B KX TC1503W ...

Page 85: ...tribution is a violation of law KX TC1503B 900MHz Digital Cordless Answering System Black Version for U S A for Panama Telephone Equipment Please file and use this supplement manual together with the service manual for Model No KX TC1503B Order No KM40106816C7 ORDER NO KM40108802S7 F11 3 KX TC1503B KX TC1503W ...

Page 86: ... Notes Original Old New Base Unit 17 PQXDZLDRS1 Security Tag 1 Jul 01 A 5 IC201 C2HBBG000011 C2HBBG000026 IC 1 Jul 01 A 4 W Handset IC201 C2HBBG000014 C2HBBG000020 IC 1 May 01 A 8 W C2HBBG000020 C2HBBG000024 IC 1 Jul 01 B 4 W C220 CECV0JA101 ECEV0GA102P Capacitor 1000µF 1 Jul 01 B C 1 X 2 CABINET AND ELECTRICAL PARTS 2 KX TC1503B I KXTC1503B 4 KX TC1503B KX TC1503W T K KXTC1503B AK KXTC1503W AK ...

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