Block Diagram Handset, IC2 | Panasonic KX-TC2000NZB, KX-TC2000NZW

18 BLOCK DIAGRAM (HANDSET)
Base
ANTENNA
			RF FILTER
			CF1, CF2
	RX VCO
DUPLEXER	L6, C24
DUPLEXER			RF IC
DPX1			RF IC
			IC1		EXP		SPEAKER
	RF AMP				EXP		REC1
		MIX 1/2					REC1

	Q1, T3
	Q1, T3
RX LOOP
			RF				MIC
		PLL OSC	-DATA		COM		MIC
X1		PLL OSC	-DATA		COM		MC1
X1			-CLK				MC1
			-STB
TX LOOP		VC1
	POWER	DC 3.9V
	POWER
39	CONTROL
39	Q4
	Q4
							DIODE
RF AMP	TX VCO					X3	BRIDGE
Q5, T5	TX VCO					X3	Q9
Q5, T5	Q6, T6, DV1						Q9
Q200	Q6, T6, DV1
Q200
		VTX	RF	RX
			-DATA	DATA			RESET
			-CLK				Q11
			-STB
		TX
		DATA		CPU			CHARGE
				CPU			DTC
				IC2			DTC
		LED		IC2			IC2 PING37
		LED
		Q8, LED 1-4

		BUZZER
KEY BOARD		Q7, BZ1
KEY BOARD		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

Image 39

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

Contents

KX-TC2000NZB KX-TC2000NZW KX-TC2000NZF Contents Cabinet and Electrical Parts Location Handet Suggested PbF Solder About Lead Free Solder PbF Pb free Base Unit Main PCB How to recognize that Pb Free solder is used For Service Technicians Recharge Battery information Battery Battery Replacement Base Unit Handset Location of Controls Connection For Service Hint Making Calls Answering Calls Operations KX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF KX-TC2000NZB / KX-TC2000N ZW / KX-TC2000NZF Recall Button Show in Fig Procedure To remove Remove Disassembly Instructions Rear Cabinet Battery compartment cover Troubleshooting Guide Check Power Bell Reception Check Battery Charge CPU IC2 RF IC IC1 Check Link Refer to Adjustment P.29 Check Handset Reception Check Handset Transmission Test Mode Flow Chart Base Unit Adjustments Base Unit Adjustment How to change the channel IC1 Adjustment Standard Base Unit Test Mode Flow Chart Handset Adjustments Handset IC1 How to change the channel Adjustment Component View Adjustment Standard Handset Flow 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 Communication Ringing Changing the Channel Ports for transmitting and receiving of data RF IC IC1 Block Diagram Base Unit IC2 Block Diagram Handset Outline Circuit Operation Power Supply Circuit Reset Circuit Base Unit Charge Circuit Telephone Line InterfaceDtmf Base to Handset Transmitter/Receiver Handset to Base Signal Route Circuit Operation Handset Reset Circuit Handset Battery Low / Power Down Detector 21.1. IC2 22.1. IC2 23.1. IC1 Preparation HOW to Replace Flat Package ICProcedure Modification Procedure of Bridge Cabinet and Electrical Parts Location Base Unit Cabinet and Electrical Parts Location Handet Accessories and Packing Materials Cabinet and Electrical Parts Replacement Parts List Diodesi 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 Unit FILTER\2 RF Unit Base Unit Schematic Diagram Handset IC1 31.2 RF Unit Handset Memo Component View Circuit Board Base Unit RX-VCO TX-VCO Flow Solder Side View IC2 IC1 KXTC2000NZB