Panasonic KX-TC2000NZB, KX-TC2000NZW, KX-TC2000NZF manual Block Diagram Handset, IC2

Page 39

18 BLOCK DIAGRAM (HANDSET)

 

 

 

 

 

Base

 

 

 

 

 

 

 

ANTENNA

 

 

 

 

 

 

 

 

 

RF FILTER

 

 

 

 

 

 

CF1, CF2

 

 

 

 

 

RX VCO

 

 

 

 

 

 

DUPLEXER

L6, C24

 

 

 

 

 

 

 

 

RF IC

 

 

 

 

DPX1

 

 

 

 

 

 

 

 

 

IC1

 

EXP

 

SPEAKER

 

RF AMP

 

 

 

 

REC1

 

MIX 1/2

 

 

 

 

 

 

 

 

 

 

 

Q1, T3

 

 

 

 

 

 

 

 

 

 

 

 

RX LOOP

 

 

 

 

 

 

 

 

 

 

RF

 

 

 

MIC

 

 

PLL OSC

-DATA

COM

 

X1

 

 

MC1

 

 

-CLK

 

 

 

 

 

 

-STB

 

 

 

 

TX LOOP

 

VC1

 

 

 

 

 

 

POWER

DC 3.9V

 

 

 

 

 

 

 

 

 

 

 

 

39

CONTROL

 

 

 

 

 

Q4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIODE

RF AMP

TX VCO

 

 

 

 

X3

BRIDGE

Q5, T5

 

 

 

 

Q9

Q6, T6, DV1

 

 

 

 

 

Q200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VTX

RF

RX

 

 

 

 

 

 

-DATA

DATA

 

 

RESET

 

 

 

-CLK

 

 

 

Q11

 

 

 

-STB

 

 

 

 

 

 

TX

 

 

 

 

 

 

 

DATA

 

CPU

 

 

CHARGE

 

 

 

 

 

 

DTC

 

 

 

 

IC2

 

 

 

 

LED

 

 

 

IC2 PING37

 

 

 

 

 

 

 

 

 

Q8, LED 1-4

 

 

 

 

 

 

 

BUZZER

KEY BOARD

 

Q7, BZ1

 

Q12

 

 

 

DIODE

BRIDGE

D1

DC 3.9V

CONTROL LINE

AUDIO SIGNAL

BATTERY

3.9V

CHARGE

TERMINAL

KX-TC2000NZB / KX-TC2000N ZW

KX-TC2000NZB/W/F BLOCK DIAGRAM (HANDSET)

/ KX-TC2000NZF

Page 38 Page 40
Image 39
Page 38 Page 40
Contents KX-TC2000NZB KX-TC2000NZW KX-TC2000NZF Contents Cabinet and Electrical Parts Location Handet Suggested PbF Solder About Lead Free Solder PbF Pb freeBase Unit Main PCB How to recognize that Pb Free solder is usedFor Service Technicians Recharge Battery information BatteryBattery Replacement Base Unit Handset Location of ControlsConnection For Service Hint Making Calls Answering Calls OperationsKX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF KX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF Recall Button Show in Fig Procedure To remove Remove Disassembly InstructionsRear Cabinet Battery compartment cover Troubleshooting Guide Check Power Bell Reception Check Battery Charge CPU IC2 RF IC IC1 Check LinkRefer to Adjustment P.29 Check Handset Reception Check Handset TransmissionTest Mode Flow Chart Base Unit Adjustments Base UnitAdjustment How to change the channelIC1 Adjustment Standard Base UnitTest Mode Flow Chart Handset Adjustments HandsetIC1 How to change the channel AdjustmentComponent View Adjustment Standard HandsetFlow Solder Side View RF Specification HOW to Check the Handset SpeakerBase Unit Frequency Table MHz STAND-BY TALK, Talk STAND-BY Explanation of CPU Data CommunicationRinging Changing the Channel Ports for transmitting and receiving of data RF IC IC1 Block Diagram Base UnitIC2 Block Diagram HandsetOutline Circuit OperationPower Supply Circuit Reset Circuit Base Unit Charge Circuit Telephone Line InterfaceDtmf Base to Handset Transmitter/ReceiverHandset to Base Signal Route Circuit Operation Handset Reset Circuit HandsetBattery Low / Power Down Detector 21.1. IC2 22.1. IC2 23.1. IC1 Preparation HOW to Replace Flat Package ICProcedure Modification Procedure of BridgeCabinet and Electrical Parts Location Base Unit Cabinet and Electrical Parts Location Handet Accessories and Packing Materials Cabinet and Electrical Parts Replacement Parts ListDiodesi LED LED1 ERDS2TJ223 PQXA36ASVC Battery Accessories and Packing Materials For Schematic Diagram Base Unit Schematic Diagram Base UnitHandset Schematic Diagram Handset 30.1 Base Unit Schematic Diagram Base UnitFILTER\2 RF Unit Base UnitSchematic Diagram Handset IC1 31.2 RF Unit HandsetMemo Component View Circuit Board Base UnitRX-VCO TX-VCO Flow Solder Side ViewIC2 IC1 KXTC2000NZB
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