Panasonic KX-TC1464LCB Service Manual
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Panasonic KX-TC1464LCB Service Manual

Panasonic KX-TC1464LCB Service Manual

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ORDER NO. KM40304063C3
Telephone Equipment
KX-TC1464LCB
900MHz Cordless Phone
Black Version
(for Peru)
(for Chile)
SPECIFICATIONS
1

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Summary of Contents for Panasonic KX-TC1464LCB

  • Page 1 ORDER NO. KM40304063C3 Telephone Equipment KX-TC1464LCB 900MHz Cordless Phone Black Version (for Peru) (for Chile) SPECIFICATIONS...

  • Page 2: About Lead Free Solder (Pbf: Pb Free)

    2003 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 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 contains lead.

  • Page 3: Suggested Pbf Solder

    1.1. Suggested PbF Solder There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper, (Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi). Please check the manufac turer’s specific instructions for the melting points of their products and any precautions for using their product with other materials.

  • Page 4: Standard Battery Life

    Dispose of used batteries according to the manufacture’s Instructions. 4. STANDARD BATTERY LIFE 4.1. Recharge 4.2. Battery Information After your Panasonic battery is fully charged: Operation Operating time While in use (TALK) Up to about 5 hours...

  • Page 5: Location Of Controls

    maximize the battery life. - The battery cannot be overcharged. 5. LOCATION OF CONTROLS 5.1. Base unit...
  • Page 6 5.2. Handset 5.3. Battery Replacement...
  • Page 7 6. CONNECTIONS...
  • Page 8 - USE ONLY WITH Panasonic AC ADAPTOR PQWATC1461BX. - The AC adaptor must remain connected at all times. (It is normal for the adaptor to feel warm during use.) - When more than one unit is used, the units may interfere with each other.

  • Page 9: Adding Another Phone

    6.1. Adding Another Phone This unit will not function during a power failure. To connect a standard telephone on the same line, use a T-adaptor. 7. OPERATIONS 7.1. Making Calls...

  • Page 10: Disassembly Instrucutions

    7.2. Answering Calls 8. DISASSEMBLY INSTRUCUTIONS...
  • Page 11 Show in Fig. To remove. Remove. Lower Cabinet Screws (2.6 × 8)....... (A) × 4 Locator P.C.Board Screws (2.3 × 6)....... (B) × 4 Locator P.C.Board RF P.C.Board Screws (2 × 6)....... (C) × 3 RF P.C.Board Main P.C.Board Screws (2.3 × 6)....... (D) × 4 Main P.C.Board...

  • Page 12: How To Remove Tel Jack

    Show in Fig. To remove. Remove. Battery compartment cover. Rear Cabinet Screws (2.6 × 8)......(E) × 2 Antenna Screw (2.6 × 8)......(F) × 1 RF P.C.Board Screws (2 × 6)......(G) × 2 RF P.C.Board. Main P.C.Board Screws (2 × 6)......(H) × 2 Main P.C.Board 9.

  • Page 13: Troubleshooting Guide

    1. Keep 2 hooks for TEL JACK fixing open in the direction of arrow 1, then pull the top of TEL JACK forward as shown arrow 2 until the hooks click. (Refer to Fig. 1.) 2. Remove TEL JACK pulling just above in the direction of arrow 3. (Refer to Fig.

  • Page 14: Check Power

    Bell Reception Check Battery Charge Check Link Check Handset Transmission Check Handset Reception 10.1. Check Power Cross Reference: Reset Circuit Power Supply Circuit ** : CONNECTIONS Note: CPU: IC3 Cross Reference: Charge Circuit...

  • Page 15: Bell Reception

    Note: CPU: U1 * : Each measurement points are shown in CIRCUIT BOARD (BASE UNIT) () or CIRCUIT BOARD (HANDSET) 10.2. Bell Reception Cross Reference: Telephone Line Interface Note: CPU : IC3 * : Each measurement points are shown in CIRCUIT BOARD (BASE UNIT) () or CIRCUIT BOARD...
  • Page 16 Cross Reference: Charge Circuit Power Supply Circuit ** : CONNECTIONS Note: CPU: IC3 Cross Reference: Reset Circuit/Charge Circuit Note: CPU: U1 *: Each measurement points are shown in CIRCUIT BOARD (BASE UNIT) () or CIRCUIT BOARD (HANDSET)

  • Page 17: Check Link

    10.4. Check Link **: Refer to Adjustment Note: CPU: IC3 RF IC: IC1...

  • Page 18: Check Handset Transmission

    *: Each measurement points are shown in CIRCUIT BOARD (BASE UNIT) () or CIRCUIT BOARD (HANDSET) **: Refer to Adjustment Note: CPU: U1 RF IC: IC1 *: Each measurement points are shown in RF Module 10.5. Check Handset Transmission...

  • Page 19: Adjustments (Base Unit)

    Cross Reference: SIGNAL ROUTE 10.6. Check Handset Reception Cross Reference: SIGNAL ROUTE 11. ADJUSTMENTS (BASE UNIT) If your unit have below symptoms, adjust or confirm each item using remedy column from the table. Symptom Remedy* The base unit dose not respond to a call from handset. Make adjustments in item The base unit dose not transmit or the transmit frequency is off.
  • Page 20 Note: **: Refer to the above table. 11.2. Adjustment Adjustment Test *Procedure Adjustment Items Mode Point RX VCO L502 Adjust L502 so that the reading of the Digital Voltmeter is 1.75V ± 0.2V. (at TP808) Talk TX VCO L503 Adjust L503 so that the reading of the Digital Voltmeter is 1.8V ± 0.15V. (at TP809) Talk TX Frequency Adjustment VC1 so that the reading of the frequency counter is 1ch Freq.

  • Page 21: Adjustment Standard (Base Unit)

    Adjustment Test *Procedure Adjustment Items Mode Point 1. Input via loop simulator 1.0KHz, -10dBm (measured at T-R) signal. Line Input 2. Confirm so that the reading of FM Deviation Meter is 25KHz ± 1KHz. Modulation Talk Confirmation RSSI Hold the “Locator” key for 5 seconds to enter to RSSI test. 1.

  • Page 22: Test Mode Flow Chart (Handset)

    Unit condition: 1. Remove the antenna lead wire from P.C Board of the handset. 2. Power Supply: DC 3.9V (DC power supply) 3. Speaker Load: 150 TX Frequency RX Frequency Volume 925.9MHz 902.1MHz 12.1. Test Mode Flow Chart (Handset) Note: Refet to CIRCUIT BOARD (HANDSET) SIGNAL ROUTE...

  • Page 23: Adjustment (Handset)

    Adjustment Test Procedure Adjustment Items Mode Point 1. Adjust L503 so that the reading of the Digital Voltmeter is 1.80V ± 0.15V. (at TX VCO Stand- L503 TP809) 1. Adjust L502 so that the reading of the Digital Voltmeter is 1.75V ± 0.2V. RX VCO Stand- L502...

  • Page 24: Frequency Table (Mhz)

    13. FREQUENCY TABLE (MHz) BASE UNIT HANDSET Channel Transmit Frequency Receive Frequency Transmit Frequency Receive Frequency 902.10 925.90 925.90 902.10 902.15 925.95 925.95 902.15 902.20 926.00 926.00 902.20 902.25 926.05 926.05 902.25 902.30 926.10 926.10 902.30 902.35 926.15 926.15 902.35 902.40 926.20 926.20...

  • Page 25: Power Supply Circuit

    903.95 927.75 927.75 903.95 904.00 927.80 927.80 904.00 904.05 927.85 927.85 904.05 14. BLOCK DIAGRAM (BASE UNIT) 15. CIRCUIT OPERATION 15.1. Outline Base unit consists of the following ICs as shown in BLOCK DIAGRAM. - CPU:IC3 - Controlling the whole system - Forming/analyzing all data signals (ACK, CMD signal etc.) - All interfaces (ex: LED, KEY, Detector Circuit (Charge/ Power Down) - RF IC:IC1...

  • Page 26: Charge Circuit

    <Fig. 102> 15.4. Charge Circuit Circuit Operation: When charging the handset on the base unit, the charge current is as follows; DC+(9V) CHG (Base) [CHG1 (Handset) BAT1..Battery..BAT2 (GND) CHG2 (Handset)] CHG2 (Base) ZD11 DC-(GND), In this way, the CPU on both unit detects the fact that the battery is charged. <Fig.

  • Page 27: Telephone Line Interface

    15.5. Telephone Line Interface Function: - Bell signal detection - ON/OFF hook and pulse dial circuit - Side tone circuit Bell signal detection and OFF HOOK circuit: In the idle mode, Q3 is open to cut the DC loop current and decrease the ring load. When ring voltage appears at the Tip (T) and Ring (R) leads (When the telephone rings), the AC ring voltage is transferred as follows: IC2-A, B...
  • Page 28 Circuit Operation: The voice signal input from the TEL LINE interface goes to RF IC(IC1) as shown in BLOCK DIAGRAM (BASE UNIT) And the signal goes through the compressor and SPLATTER FILTER of RF IC, it is output to transmitter circuit. The signal of the data sent to the handset is applied too.

  • Page 29: Reset Circuit/Charge Circuit

    - All interfaces (ex; LED, Key, Buzzer, Detector Circuit, Charge, Battery Low) - RAM for keeping the data (CH Number, ID Code, etc.) - RF IC:IC1 - PLL Oscillator - Compress/Expander - Amplifier for transmission and reception 17.2. Reset Circuit/Charge Circuit The power of handset is supplied by battery.

  • Page 30: Cpu Data (Base Unit)

    18. SIGNAL ROUTE Each signal route is as follows. 19. CPU DATA (BASE UNIT) 19.1. IC3...

  • Page 31: Cpu Data (Handset)

    Pin Port Name Label Init. Description Remark XOUT 4MHz crystal oscillator XOUT 4MHz crystal oscillator TEST Must be connected to Vss TEST Carrier detect input (combo chip H: carrier present RSSIN sigout) PAGE KEY L: KEY PRESSED PAGE recradle control, DTMF out5 DTMF5 DTMF out4 DTMF4...

  • Page 32: Explanation Of Ic Terminals (Rf Unit)

    Port Label Init Description Remark XOUT 4MHz crystal oscillator XOUT 4MHz crystal oscillator TEST Must be connected to Vss TEST RING_SW/ Ringer on/off switch H: RINGER C_MUTE L: RINGER Keyin 3 Keyin 2 Keyin 1 RSSI Carrier detect input (combo chip H: carrier present sigout) TX_DATA...

  • Page 33: How To Replace A Flat Package Ic

    Pin No. Pin Description Pin No. Pin Description Enable input QUAD_IN FM detector input CDET COMP detection QUAD_OUT IFamp2 output SF_OUT Splatter filter output NDET Noise Detection SFC2 External splatter filter RSSI_DET RSSI Detection SFC1 COMP output 2NDIF_IN IFamp2 input COMP_DC COMP output VREF IFREF1...
  • Page 34 - Flux Recommended Flux: Specific Gravity 0.82. Type RMA (lower residue, non-cleaning type) Note: See ABOUT LEAD FREE SOLDER (PbF: Pb free) 22.2. Procedure 1. Tack the flat pack IC to the PCB by temporarily soldering two diagonally opposite pins in the correct positions on the PCB. 2.

  • Page 35: Cabinet And Electrical Parts Location

    2. With a hot iron, use a sweeping motion along the flat part of the pin to draw the solder from between the adjacent pads. 23. CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
  • Page 36 24. CABINET AND ELECTRICAL PARTS LOCATION...

  • Page 37: Accessories And Packing Materials

    (HANDSET) 25. ACCESSORIES AND PACKING MATERIALS...

  • Page 38: Terminal Guide Of The Ics, Transistors And Diodes

    26. TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 26.1. Base Unit 26.2. Handset...

  • Page 39: Replacement Parts List

    27. REPLACEMENT PARTS LIST 1. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is limited for this item. After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time. The retention period of availability depends on the type of assembly and the laws governing parts and product retention.
  • Page 40 27.1. Base Unit 27.1.1. Cabinet and Electrical Parts Ref. No. Part No. Part Name & Description Remarks 151023402301 CHARGE TERMINAL 170023700010 ANTENNA 401390023000 UPPER CABINET 402400220370 LOWER CABINET 407400020376 FIXING PLATE 408400020370 HOOK LEVER 408400020376 HANDSET LOCATOR BUTTON 410207100000 KEYBOARD SWITCH 432231511001 NAME LABEL PQWCTC1461LA RF SHIELD...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks PCB1 PQWP11461LAH MAIN P.C.BOARD ASS'Y (RTL) (ICS) 271002401005 PQWIC1461LAH IC (TRANSISTORS) 203904010000 TRANSISTOR(SI) 203394090029 TRANSISTOR(SI) 203904010000 TRANSISTOR(SI) 203394090000 TRANSISTOR(SI) 203394090029 TRANSISTOR(SI) 203394090000 TRANSISTOR(SI) 203394090000 TRANSISTOR(SI) 203396090004 TRANSISTOR(SI) 203800010300 TRANSISTOR(SI) 203394090000 TRANSISTOR(SI) (DIODES) 214418021000 DIODE(SI)
  • Page 42 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ683 ERJ3GEYJ104 100k ERJ3GEYJ224 220k ERJ3GEYJ561 ERD25TJ220 ERJ3GEYJ105 ERJ3GEYJ563 ERJ3GEYJ103 ERJ3GEYJ223 ERJ3GEYJ122 1.2k ERJ3GEYJ202 ERJ3GEYJ103 ERD25TJ510 ERJ3GEYJ222 2.2k ERJ3GEYJ822 8.2k ERJ3GEYJ223 ERJ3GEYJ392 3.9k ERJ3GEYJ104 100k ERJ3GEYJ103 ERJ3GEYJ274 270k ERJ3GEYJ104 100k...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ473 ERJ3GEYJ204 200k ERJ3GEYJ244 240k ERJ3GEYJ753 ERJ3GEYJ104 ERJ3GEYJ154 150k ERJ3GEYJ184 180k ERJ3GEYJ224 220k ERJ3GEYJ274 270k ERJ3GEYJ823 ERJ3GEYJ204 200k ERJ3GEYJ124 120k ERJ3GEYJ154 150k ERJ3GEYJ184 180k ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEY0R00 ERJ3GEY0R00 ERJ3GEY0R00 R100 ERJ3GEYJ473 R101...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks ECUV1H103KBV 0.01 ECUV1C104ZFV 0.1 ECUV1H220JCV 22P ECUV1H180JCV 18P ECUV1C104ZFV 0.1 ECUV1C104ZFV 0.1 ECEA1AKA221 ECEA1CK101 ECA1CM471 ECEA1EU101 ECEA1HU100 ECEA1EU101 ECEA1CK102 1000 ECEA1HU100 EC10 ECEA1AU470 EC12 ECEA1HU2R2 EC16 ECEA1HU4R7 EC17 PQCUV1C105ZF 1 EC18 PQCUV1C105ZF 1 (OTHERS) 354030100006...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks PCB3 PQWP31461LAH RF P.C.BOARD ASS'Y (RTL) (IC) 274085313120 (TRANSISTORS) Q506 203403111419 TRANSISTOR(SI) Q509 203403111419 TRANSISTOR(SI) Q510 203403111419 TRANSISTOR(SI) Q512 203505180005 TRANSISTOR(SI) Q555 203505180005 TRANSISTOR(SI) Q556 203505180005 TRANSISTOR(SI) (DIODES) VD501 213024010006 DIODE(SI) VD502 213024010006 DIODE(SI)
  • Page 46 Ref. No. Part No. Part Name & Description Remarks R536 ERJ3GEYJ153 R537 ERJ3GEYJ221 R541 ERJ3GEYJ102 R543 ERJ3GEYJ561 R544 ERJ3GEYJ561 R551 ERJ3GEYJ393 R561 ERJ3GEYJ101 R562 ERJ3GEYJ124 120k R569 ERJ3GEYJ103 R571 ERJ3GEYJ102 R577 ERJ3GEYJ101 R578 ERJ3GEYJ274 270k R585 ERJ3GEY0R00 R593 ERJ3GEYJ102 R604 ERJ3GEYJ471 R606 ERJ3GEYJ123...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks ECUV1H102KBV 0.001 ECUV1H010CCV 1P ECUV1C104ZFV ECUV1H121JCV 12P ECUV1H121JCV 120P ECUV1H121JCV 120P C500 ECUV1H330JCV 33P C502 ECUV1H102KBV 0.001 C503 ECUV1H680JCV 68P C504 PQCUV1E104MD 0.1 C505 ECUV1H680JCV 68P C519 ECUV1H070CCV 7P C521 PQCUV1E104MD 0.1 C526 PQCUV1E104MD 0.1 C527...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks C593 ECUV1H680JCV 68P C595 ECUV1H100DCV 10P C597 ECUV1H010CCV 1P C598 ECUV1H020CCV 2P C599 ECUV1H120JCV 12P C602 ECUV1H020CCV 2P C604 ECUV1H222KBV 0.0022 C605 ECUV1H221JCV 220P ESC10 ECUV1C104ZFV ECUV1H102KBV 0.001 (OTHERS) FL501 251093140116 DUPLEX 250076000014 TRANS...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks PCB100 PQWP11461LAR MAIN P.C.BOARD ASS'Y (RTL) (IC) PQWIC1464LAR IC (TRANSISTORS) 203394090029 TRANSISTOR(SI) 203396090000 TRANSISTOR(SI) 203396090000 TRANSISTOR(SI) 203112090005 TRANSISTOR(SI) 203396090000 TRANSISTOR(SI) (DIODES) 214418000000 DIODE(SI) 214418000000 DIODE(SI) 214418021000 DIODE(SI) 214418021000 DIODE(SI) 214418000000 DIODE(SI) 214418000000 DIODE(SI) 214418000000...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ473 ERJ3GEYJ103 ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ152 1.5k ERJ3GEYJ105 ERJ3GEYJ104 100k ERJ3GEYJ103 ERJ3GEYJ201 ERJ3GEYJ220 ERJ3GEYJ222 2.2k ERJ3GEYJ103 ERJ3GEYJ102 (CAPACITORS) ECUV1C104ZFV 0.1 ECFD1C104KD ECUV1H102KBV 0.001 PQCUV1C225ZF 2.2 ECKD1H103KB 0.01...
  • Page 51 Ref. No. Part No. Part Name & Description Remarks PCB200 PQWP21461LAR RF P.C.BOARD ASS'Y (RTL) (IC) 274085313220 (TRANSISTORS) Q506 203403111419 TRANSISTOR(SI) Q509 203403111419 TRANSISTOR(SI) Q510 203403111419 TRANSISTOR(SI) Q512 203505180005 TRANSISTOR(SI) Q555 203505180005 TRANSISTOR(SI) Q556 203505180005 TRANSISTOR(SI) (DIODES) VD501 213024010006 DIODE(SI) VD502 213024010006 DIODE(SI)
  • Page 52 Ref. No. Part No. Part Name & Description Remarks R537 ERJ3GEYJ221 R541 ERJ3GEYJ102 R543 ERJ3GEYJ331 R544 ERJ3GEYJ331 R551 ERJ3GEYJ203 R561 ERJ3GEYJ101 R562 ERJ3GEYJ124 120k R569 ERJ3GEYJ103 R571 ERJ3GEYJ102 R577 ERJ3GEYJ101 R578 ERJ3GEYJ274 270k R585 ERJ3GEY0R00 R593 ERJ3GEYJ102 R604 ERJ3GEYJ471 R606 ERJ3GEYJ123 R609 ERJ3GEYJ123...
  • Page 53 Ref. No. Part No. Part Name & Description Remarks ECUV1C104ZFV ECUV1C104ZFV PQCUV1C105ZF 1 ECUV1C104ZFV ECUV1C104ZFV ECUV1C104ZFV ECUV1H681JCV 680P ECUV1H682KBV 0.0068 ECUV1H122KBV 0.0012 ECUV1H010CCV 1P ECUV1H121JCV 120P C500 ECUV1H330JCV 33P C502 ECUV1H102KBV 0.001 C503 ECUV1H680JCV 68P C504 ECUV1H103KBV 0.01 C519 ECUV1H040CCV 4P C521 ECUV1H103KBV 0.01 C526...

  • Page 54: For Schematic Diagram

    Ref. No. Part No. Part Name & Description Remarks C583 ECUV1H330JCV 33P C586 ECUV1H150JCV 15P C590 ECUV1H030CCV 3P C591 ECUV1H123KBV 0.012 C592 PQCUV1E104MD 0.1 C593 ECUV1H680JCV 68P C595 ECUV1H100DCV 10P C597 ECUV1H010CCV 1P C598 ECUV1H020CCV 2P C599 ECUV1H150JCV 15P C602 ECUV1H010CCV 1P C604 ECUV1H222KBV 0.0022...

  • Page 55: Schematic Diagram (Base Unit)

    28.2. Handset (SCHEMATIC DIAGRAM (HANDSET)) 1. DC voltage measurements are taken with an oscilloscope or a tester with a ground. 2. The schematic diagrams and circuit board may be modified at any time with the development of new technology. 29. SCHEMATIC DIAGRAM (BASE UNIT) 29.1.
  • Page 56 SP_OUT Marked...
  • Page 57 CH_DET (U1-25) Rec_O/P_B Marked...
  • Page 58 TP510 Marked TP809 (TXVCO) TP808 (RXVCO) Ext_out Pre_out Tx data DET_out SIG_out...
  • Page 59 AF OSC LOOP Ring SIMULATOR Audio Analyzer (E) (F)
  • Page 60 FM Deviation Meter (G), (I) 925.9MHz Frequency Counter Spectrum Analyzer TP510 TP809 (TXVCO) D.M. TP808 (RXVCO) D.M. SIG_OUT Oscillo scope...
  • Page 61 DC Power Supply (Battery)
  • Page 62 FM Deviation Meter (H), (I) Spectrum Analyzer Frequency Counter TP510 TP809 (TXVCO) D.M. TP808 (RXVCO) D.M. SIG_OUT MIC_IN Audio Analyzer Oscillo scope AF Generator...
  • Page 63 Lnseize REF_CLK RELAY CTRL Doubler/Buffer TX_VCO IC2-A, IC2-B Q510 Q509, VD502 4MHz RING_DET TX AUDIO RING DETECTION RX_DATA (CPU) Q6, Q7 TX_DATA RESET CIRCUIT RESET Tx_PWR CHG_DET VOLTAGE REGULATOR DC 9V Q2, Q10 CHARGE DETECT KX-TC1464LCB: BLOCK DIAGRAM (BASE UNIT)
  • Page 64 Tx_PWR RX_DATA LOUD AUTO RX ON/OFF Rx VCC Rx_PWR Q4, Q1 R1 - 3 Power-down Power-down C1 - 4 3.6V BATTERY RESET 4MHz RESET & CHARGE CIRCUIT CHG_DET E_MUTE Buzz RINGER ON/OFF Q3, Q6 BUZZER CKT. KX-TC1464LCB: BLOCK DIAGRAM (HANDSET)
  • Page 65 (-10dBm/600Ω) (-22dBm) Reception 172mVp-p 4.5Vp-p 900mVp-p Ring -40dBm 22mVp-p Output IC2-A IC2-B -11dBm IC2-E 4.5V GREEN IN USE/CHARGE To AC Adaptor To H/S IC3-13pin IC3-19pin (Hi) (Lo) (Hi) (Lo) Remark 100msec 300msec 600msec (730msec) (Reserved) KX-TC1464LCB: SCHEMATIC DIAGRAM(BASE UNIT) Main...
  • Page 66 10.7 MHz 10.7 MHz 25KHz-Dev 1KHz Tone 1.75V 0.2V Input (at CH1) 220k Rx VCO 25KHz-Dev Tx VCO 1KHz Tone 1.8V 0.15V Output (at CH1) Tx VCO KX-TC1464LCB: SCHEMATIC DIAGRAM (BASE UNIT) RF Module...
  • Page 67 3.6V 3.3V 3Vp-p 300mVp-p 3.3V 490mVp-p (Volume) 3.3V Input 1kHz 10.7mVp-p 3.0 V KX-TC1464LCB: SCHEMATIC DIAGRAM (HANDSET) Main...
  • Page 68 10.7 MHz 10.7 MHz 25KHz-Dev 1KHz Tone 1.75V 0.2V Input (at CH1) Rx VCO 25KHz-Dev 1KHz Tone Tx VCO Output 1.8V 0.15V (at CH1) 6.8k Tx VCO KX-TC1464LCB: SCHEMATIC DIAGRAM (HANDSET) RF Module...
  • Page 69 L seize Power Down Tx Down SIG_OUT KX-TC1464LCB: BASE UNIT Main (Component View)
  • Page 70 LED P1 (IC3-12) CHG_DET (IC3-25) Ring_DET (IC3-26) KX-TC1464LCB: BASE UNIT Main (Flow Solder Side View)
  • Page 71 KX-TC1464LCB: BASE UNIT Locator (Component View)
  • Page 72 KX-TC1464LCB: BASE UNIT Locator (Flow Solder Side View)
  • Page 73 TP510 TP809 (TXVCO) TP808 (RXVCO) D_OUT D_IN Tx Data REC_O/P_A KX-TC1464LCB: BASE UNIT RF Module...
  • Page 74 SP_OUT KX-TC1464LCB: HANDSET Main (Component View)
  • Page 75 CH_DET (U1-25) Rec_O/P_B KX-TC1464LCB: HANDSET Main (Flow Solder Side View)
  • Page 76 TP510 TP809 (TXVCO) TP808 (RXVCO) Ext_out Pre_out Tx data DET_out SIG_out KX-TC1464LCB: HANDSET RF Module...
  • Page 77 Marked L seize Power Down Tx Down SIG_OUT...
  • Page 78 Marked LED P1 (IC3-12) CHG_DET (IC3-25) Ring_DET (IC3-26)
  • Page 79 Marked...
  • Page 80 Marked...
  • Page 81 TP510 Marked TP809 (TXVCO) TP808 (RXVCO) D_OUT D_IN Tx Data REC_O/P_A...

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