Panasonic KX-TC2000NZB, KX-TC2000NZW, KX-TC2000NZF manual For Service Technicians

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KX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF

2 FOR SERVICE TECHNICIANS

ICs and LSIs are vulnerable to static electricity.

When repairing, the following precautions will help prevent recurring malfunctions.

1.Cover plastic parts boxes with aluminum foil.

2.Ground the soldering irons.

3.Use a conductive mat on worktable.

4.Do not grasp IC or LSI pins with bare fingers.

3 CAUTION

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer´s Instructions.

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Contents KX-TC2000NZB KX-TC2000NZW KX-TC2000NZF Contents Cabinet and Electrical Parts Location Handet About Lead Free Solder PbF Pb free Suggested PbF SolderHow to recognize that Pb Free solder is used Base Unit Main PCBFor Service Technicians Battery Recharge Battery informationBattery Replacement Location of Controls Base Unit HandsetConnection For Service Hint Operations Making Calls Answering CallsKX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF KX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF Recall Button Disassembly Instructions Show in Fig Procedure To remove RemoveRear Cabinet Battery compartment cover Troubleshooting Guide Check Power Bell Reception Check Battery Charge Check Link CPU IC2 RF IC IC1Refer to Adjustment P.29 Check Handset Transmission Check Handset ReceptionAdjustments Base Unit Test Mode Flow Chart Base UnitHow to change the channel AdjustmentAdjustment Standard Base Unit IC1Adjustments Handset Test Mode Flow Chart HandsetHow to change the channel Adjustment IC1Adjustment Standard Handset Component ViewFlow Solder Side View RF Specification HOW to Check the Handset SpeakerBase Unit Frequency Table MHz Explanation of CPU Data Communication STAND-BY TALK, Talk STAND-BYRinging Changing the Channel Ports for transmitting and receiving of data Block Diagram Base Unit RF IC IC1Block Diagram Handset IC2Circuit Operation OutlinePower Supply Circuit Reset Circuit Base Unit Charge Circuit Telephone Line InterfaceDtmf Transmitter/Receiver Base to HandsetHandset to Base Signal Route Reset Circuit Handset Circuit Operation HandsetBattery Low / Power Down Detector 21.1. IC2 22.1. IC2 23.1. IC1 Modification Procedure of Bridge HOW to Replace Flat Package ICProcedure PreparationCabinet and Electrical Parts Location Base Unit Cabinet and Electrical Parts Location Handet Accessories and Packing Materials Replacement Parts List Cabinet and Electrical PartsDiodesi LED LED1 ERDS2TJ223 PQXA36ASVC Battery Accessories and Packing Materials For Schematic Diagram Base Unit Schematic Diagram Base UnitHandset Schematic Diagram Handset Schematic Diagram Base Unit 30.1 Base UnitRF Unit Base Unit FILTER\2Schematic Diagram Handset 31.2 RF Unit Handset IC1Memo Circuit Board Base Unit Component ViewFlow Solder Side View RX-VCO TX-VCOIC2 IC1 KXTC2000NZB