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Related Manuals for Panasonic KX-TC1468LBB
Summary of Contents for Panasonic KX-TC1468LBB
- Page 1 ORDER NO. KM40206883C3 Telephone Equipment KX-TC1468LBB 900MHz Cordless Phone Black Version (for Brazil) © 2002 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
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Page 2: Table Of Contents
KX-TC1468LBB CONTENTS Page Page 1 STANDARD BATTERY LIFE 8.1. Test Mode Flow Chart (Base Unit) 1.1. Recharge 8.2. Adjustment 1.2. Battery Information 8.3. Adjustment Standard (Base Unit) 2 LOCATION OF CONTROLS 9 ADJUSTMENTS (HANDSET) 2.1. Base unit 9.1. Test Mode Flow Chart (Handset) 2.2. - Page 3 KX-TC1468LBB 15 HOW TO REPLACE FLAT PACKAGE IC 23.2. Handset 15.1. Preparation 23.3. Accessories and Packing Materials 15.2. Procedure 24 FOR SCHEMATIC DIAGRAM 15.3. Modification Procedure of Bridge 24.1. Base Unit 16 CPU DATA (Base Unit) 24.2. Handset 16.1. IC3 25 SCHEMATIC DIAGRAM (Base Unit) 16.2.
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Page 4: Standard Battery Life
KX-TC1468LBB 1 STANDARD BATTERY LIFE 1.1. Recharge 1.2. Battery Information After your Panasonic battery is fully charged: Operation Operating time While in use (TALK) Up to about 5 hours While not in use (Standby) Up to about 5 days · The battery operating time may vary depending on usage conditions and ambient temperature. -
Page 5: Location Of Controls
KX-TC1468LBB 2 LOCATION OF CONTROLS 2.1. Base unit 2.2. Handset... -
Page 6: Battery Replacement
KX-TC1468LBB 2.3. Battery Replacement... -
Page 7: Connections
KX-TC1468LBB 3 CONNECTIONS · USE ONLY WITH Panasonic AC ADAPTOR PQWATC1468LB. · The AC adaptor must remain connected at all times. (It is normal for the adaptor to feel warm during use.) - Page 8 KX-TC1468LBB...
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Page 9: Adding Another Phone
KX-TC1468LBB 3.1. 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. -
Page 10: Operations
KX-TC1468LBB 4 OPERATIONS 4.1. Making Calls 4.2. Answering Calls... -
Page 11: Disassembly Instrucutions
KX-TC1468LBB 5 DISASSEMBLY INSTRUCUTIONS 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... - Page 12 KX-TC1468LBB 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 ×...
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Page 13: How To Remove Tel Jack
KX-TC1468LBB 6 HOW TO REMOVE TEL JACK 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.) -
Page 14: Troubleshooting Guide
KX-TC1468LBB 7 TROUBLESHOOTING GUIDE Cross Reference: Check Power (P.15) Bell Reception (P.16) Check Battery Charge (P.17) Check Link (P.18) Check Handset Transmission (P.20) Check Handset Reception (P.20) -
Page 15: Check Power
KX-TC1468LBB 7.1. Check Power Cross Reference: Note: Reset Circuit (P.32) CPU: IC3 Power Supply Circuit (P.31) ** : CONNECTIONS (P.7) Cross Reference: Note: Charge Circuit (P.33) CPU: U1 * : Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.58) or CIRCUIT BOARD (Handset) (P.62) -
Page 16: Bell Reception
KX-TC1468LBB 7.2. Bell Reception Cross Reference: Note: Telephone Line Interface (P.34) CPU : IC3 * : Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.58) or CIRCUIT BOARD (Handset) (P.62) -
Page 17: Check Battery Charge
KX-TC1468LBB 7.3. Check Battery Charge Cross Reference: Note: Charge Circuit (P.33) CPU: IC3 Power Supply Circuit (P.31) ** : CONNECTIONS (P.7) Cross Reference: Note: Reset Circuit/Charge Circuit (P.37) CPU: U1 *: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.58) or CIRCUIT BOARD (Handset) (P.62) -
Page 18: Check Link
KX-TC1468LBB 7.4. Check Link **: Refer to Adjustment (P.22) Note: CPU: IC3 RF IC: IC1 *: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.58) or CIRCUIT BOARD (Handset) (P.62) - Page 19 KX-TC1468LBB **: Refer to Adjustment (P.26). Note: CPU: U1 RF IC: IC1 *: Each measurement points are shown in RF Module (P.64)
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Page 20: Check Handset Transmission
KX-TC1468LBB 7.5. Check Handset Transmission Cross Reference: Signal Route (P.35) 7.6. Check Handset Reception Cross Reference: Signal Route (P.35) -
Page 21: Adjustments (Base Unit)
KX-TC1468LBB 8 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 (A) The base unit dose not transmit or the transmit frequency is off. -
Page 22: Adjustment
KX-TC1468LBB 8.2. Adjustment Adjustment Items Test Mode Adjustment *Procedure Check or Point Replace Parts (A) RX VCO CH1 Talk L502 · Adjust L502 so that the reading of the Digital Voltmeter is 1.75V ± 0.2V. IC1, L502, (at TP808) VD501... -
Page 23: Adjustment Standard (Base Unit)
KX-TC1468LBB 8.3. Adjustment Standard (Base Unit) (Main, Flow Solder Side View) AF OSC LOOP Ring SIMULATOR Audio Analyzer (E) (F) - Page 24 KX-TC1468LBB (RF Module) FM Deviation Meter (G), (I) 925.9MHz Frequency Counter Spectrum Analyzer TP510 TP809 (TXVCO) D.M. TP808 (RXVCO) D.M. SIG_OUT Oscillo scope...
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Page 25: Adjustments (Handset)
KX-TC1468LBB 9 ADJUSTMENTS (HANDSET) If your unit have below symptoms, adjust or confirm each item using remedy column from the table. Symptom Remedy* The movement of Battery Low Indicator is wrong. Make confirmation in item (A) The base unit does not respond to a call from the handset. -
Page 26: Adjustment
KX-TC1468LBB 9.2. Adjustment Adjustment Items Test Mode Adjustment Procedure Check or Point Replace Parts (A) TX VCO Stand-by L503 1. Adjust L503 so that the reading of the Digital Voltmeter is 1.80V ± 0.15V. IC1, L503, (at TP809) VD502 (B) RX VCO... -
Page 27: Adjustment (Handset)
KX-TC1468LBB 9.3. Adjustment (Handset) (Main, component View) DC Power Supply (Battery) - Page 28 KX-TC1468LBB (RF Module) 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...
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Page 29: Frequency Table (Mhz)
KX-TC1468LBB 10 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... -
Page 30: Block Diagram (Base Unit)
Lnseize REF_CLK RELAY CTRL Doubler/Buffer TX_VCO Q510 IC2-A, IC2-B 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-TC1468LBB: BLOCK DIAGRAM (BASE UNIT) -
Page 31: Circuit Operation
KX-TC1468LBB 12 CIRCUIT OPERATION 12.1. Outline · − − − − − − · − − − − − − · − − − − − − − − 12.2. Power Supply Circuit Reset Circuit... -
Page 32: Reset Circuit
KX-TC1468LBB 12.3. Reset Circuit <Fig. 101> <Fig. 102>... -
Page 33: Charge Circuit
KX-TC1468LBB 12.4. Charge Circuit Circuit Operation: → → → → → → → → → → → → <Fig. 103>... -
Page 34: Telephone Line Interface
KX-TC1468LBB 12.5. Telephone Line Interface Function: · · · Bell signal detection and OFF HOOK circuit: → → → → → BELL → → → → → → → OFF HOOK ON HOOK Circuit: Pulse Dial Circuit: Side Tone Circuit: 12.6. -
Page 35: Signal Route
KX-TC1468LBB 12.7. Signal Route... -
Page 36: Block Diagram (Handset)
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 RINGSW Buzz RINGER ON/OFF Q3, Q6 BUZZER CKT. KX-TC1468LBB: BLOCK DIAGRAM (HANDSET) -
Page 37: Circuit Operation (Handset)
KX-TC1468LBB 14 CIRCUIT OPERATION (HANDSET) 14.1. Outline Handset consist of the following ICs as shown in BLOCK DIAGRAM. · CPU: U1 − − All data signals (forming/analyzing ACK or CMD signal*) − − All interfaces (ex; LED, Key, Buzzer, Detector Circuit, Charge, Battery Low) −... -
Page 38: Battery Low / Power Down Detector
KX-TC1468LBB 14.3. Battery Low / Power Down Detector Circuit Operation: “Battery Low” and “Power Down” are detected by RF IC which check the voltage from battery. Shortly, every detected blocks are inseide of RF IC. The detected voltage is as follows;... -
Page 39: How To Replace Flat Package Ic
KX-TC1468LBB 15 HOW TO REPLACE FLAT PACKAGE IC 15.1. Preparation · SOLDER Sparkle Solder 115A-1, 115B-1 or Almit Solder KR-19, KR-19RMA · Soldering iron Recommended power consumption will be between 30 W to 40 W. Temperature 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.) -
Page 40: Cpu Data (Base Unit)
KX-TC1468LBB 16 CPU DATA (Base Unit) 16.1. IC3 Port Name Label Init. Description Remark XOUT TEST RSSIN PAGE DTMF5 DTMF4 DTMF3 DTMF2 DTMF1 DTMF0 LEDP1 LEDP2 TXDATA TXRFPWR TXPWR RESERVED FLASHOPT COMCLK COMDATA COMSTB RXDATA LSEIZE CHGDET RINGDET RESET 16.2. Digital Security Coding System Every time the handset is put on the charging cradle of base unit, a 16-bit digital security code is generated and exchanged between base and handset. -
Page 41: Cpu Data (Handset)
KX-TC1468LBB 17 CPU DATA (Handset) 17.1. U1 Port Label Init Description Remark XOUT TEST RESET... -
Page 42: Explanation Of Ic Terminals (Rf Unit)
KX-TC1468LBB 18 EXPLANATION OF IC TERMINALS (RF Unit) 18.1. IC1... -
Page 43: 19 Cabinet And Electrical Parts Location (Base Unit
KX-TC1468LBB 19 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT) -
Page 44: Cabinet And Electrical Parts Location (Handset)
KX-TC1468LBB 20 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) -
Page 45: Accessories And Packing Materials
KX-TC1468LBB 21 ACCESSORIES AND PACKING MATERIALS... -
Page 46: Base Unit
KX-TC1468LBB 22 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 22.1. Base Unit 22.2. Handset... -
Page 47: Replacement Parts List
KX-TC1468LBB 23 REPLACEMENT PARTS 23.1.2. Main P.C.Board Parts LIST Ref. Part No. Part Name & Description Remarks PCB1 PQWP11468LBH MAIN P.C.BOARD ASS´Y (RTL) 1. RTL (Retention Time Limited) (ICS) 271002401005 IC Note: 273024114012 IC The marking (RTL) indicates that the Retention Time is (TRANSISTORS) limited for this item. - Page 48 KX-TC1468LBB Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks ERJ3GEYJ363 ECUV1C224ZFV 0.22 ERJ3GEYJ392 3.9k ECUV1H103KBV 0.01 ERJ3GEYJ104 100k 220101681300 0.1 ERJ3GEYJ103 220101681309 0.01 ERJ3GEYJ274 270k 220101681309 0.01 ERJ3GEYJ104 100k ECUV1C104ZFV 0.1 ERJ3GEYJ684 680k ECUV1C104ZFV 0.1...
- Page 49 KX-TC1468LBB Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks 264100051001 CERAMIC FILTER ECUV1H680JCV 68P (COILS) ECUV1C104ZFV 0.1 L502 253200830200 COIL ECUV1H102KBV 0.001 L503 253250830200 COIL ECUV1H473MD 0.047 L504 252330201801 COIL PQCUV1E104MD 0.1 (RESISOTRS) ECUV1C104ZFV 0.1...
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Page 50: Handset
KX-TC1468LBB Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C592 PQCUV1E104MD 0.1 335050300005 LED C593 ECUV1H680JCV 68P (COILS) C595 ECUV1H100DCV 10P PQLQZK680K COIL C597 ECUV1H010CCV 1P PQLQZK680K COIL C598 ECUV1H020CCV 2P (RESISTORS) - Page 51 KX-TC1468LBB Ref. Part No. Part Name & Description Remarks 23.2.3. RF P.C.Board Parts R611 ERJ3GEYJ273 Ref. Part No. Part Name & Description Remarks R619 ERJ3GEY0R00 R621 ERJ3GEY0R00 PCB200 PQWP21461LAR RF P.C.BOARD ASS´Y (RTL) R622 ERJ3GEY0R00 (IC) R16A ERJ3GEYJ433 274085000000 R16A...
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Page 52: Accessories And Packing Materials
KX-TC1468LBB Ref. Part No. Part Name & Description Remarks C560 ECUV1H102KBV 0.001 C561 ECUV1H470JCV 47P C562 ECUV1H220JCV 22P C563 ECUV1H222KBV 0.0022 C564 ECUV1H470JCV 47P C565 ECUV1H020CCV 2P C566 ECUV1H050CCV 5P C567 ECUV1H040CCV 4P C568 ECUV1H102KBV 0.001 C569 ECUV1H100DCV 10P C570 ECUV1H103KBV 0.01... -
Page 53: For Schematic Diagram
KX-TC1468LBB 24 FOR SCHEMATIC DIAGRAM 24.1. Base Unit 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. -
Page 54: Schematic Diagram (Base Unit)
IN USE/CHARGE short To AC Adaptor To H/S 180R IC3-19pin IC3-13pin Pulse Dial IC3-11pin 3904 % Break Flash time option (Hi) (Lo) (Hi) (Lo) Remark 100msec 61 % 300msec 600msec 67 % 4.7k (730msec) (Reserved) KX-TC1468LBB: SCHEMATIC DIAGRAM(Base Unit) Main... -
Page 55: Rf Module
25.2. RF Module 10.7 MHz 10.7 MHz 25KHz-Dev 1KHz Tone 1.75V 0.2V Input (at CH1) 220k 25KHz-Dev Rx VCO Tx VCO 1KHz Tone 1.8V 0.15V Output (at CH1) Tx VCO KX-TC1468LBB: SCHEMATIC DIAGRAM (Base Unit) RF Module... -
Page 56: Schematic Diagram (Handset)
26 SCHEMATIC DIAGRAM (Handset) 26.1. Main 3.6V 3.3V 3Vp-p 300mVp-p 3.3V 490mVp-p (Volume) 3.3V Input 1kHz 10.7mVp-p 3.0 V KX-TC1468LBB: SCHEMATIC DIAGRAM (Handset) Main... -
Page 57: Rf Module
26.2. RF Module 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-TC1468LBB: SCHEMATIC DIAGRAM (Handset) RF Module... -
Page 58: Circuit Board (Base Unit)
KX-TC1468LBB 27 CIRCUIT BOARD (Base Unit) 27.1. Main (Component View) L seize Power Down Tx Down SIG_OUT KX-TC1468LBB: BASE UNIT Main (Component View) -
Page 59: Main (Flow Solder Side View)
KX-TC1468LBB 27.2. Main (Flow Solder Side View) LED P1 (IC3-12) CHG_DET (IC3-25) Ring_DET (IC3-26) KX-TC1468LBB: BASE UNIT Main (Flow Solder Side View) -
Page 60: Locator (Component View)
KX-TC1468LBB 27.3. Locator (Component View) KX-TC1468LBB: BASE UNIT Locator (Component View) 27.4. Locator (Flow Solder Side View) KX-TC1468LBB: BASE UNIT Locator (Flow Solder Side View) -
Page 61: Rf Module
KX-TC1468LBB 27.5. RF Module TP510 TP809 (TXVCO) TP808 (RXVCO) D_OUT D_IN Tx Data REC_O/P_A KX-TC1468LBB: BASE UNIT RF Module... -
Page 62: Circuit Board (Handset)
KX-TC1468LBB 28 CIRCUIT BOARD (Handset) 28.1. Main (Component View) SP_OUT KX-TC1468LBB: HANDSET Main (Component View) -
Page 63: Main (Flow Solder Side View)
KX-TC1468LBB 28.2. Main (Flow Solder Side View) CH_DET (U1-25) Rec_O/P_B KX-TC1468LBB: HANDSET Main (Flow Solder Side View) -
Page 64: Rf Module
KX-TC1468LBB 28.3. RF Module TP510 TP809 (TXVCO) TP808 (RXVCO) Ext_out Pre_out Tx data DET_out SIG_out KX-TC1468LBB: HANDSET RF Module KXTC1468LBB-AK...