Panasonic KX-TC2000NZF, KX-TC2000NZB, KX-TC2000NZW manual Block Diagram Base Unit, RF IC IC1

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17 BLOCK DIAGRAM (BASE UNIT)
H/S	ANTENNA		10.7MHz	RF FILTER	450kHz
				RF FILTER
				CF1, CF2
		RX VCO				TELEPHONE LINE
		RX VCO					INTERFACE
	DUPLEXER	L10, C26					INTERFACE
		L10, C26

	DPX1			RF IC
				RF IC		17
				IC1		17
		RF AMP		IC1		EXP	TEL	DIODE
		RF AMP	MIX 1/2			TEL	TEL	DIODE
		Q1, T2	MIX 1/2			LINE	LINE	BRIDGE
		Q1, T2				LINE	LINE	BRIDGE
	RX LOOP					AMP	SW	D2, D3,
	RX LOOP			RF		AMP	SW	D4, D5
				RF		Q11, IC3	T7	D4, D5
			PLL OSC	-DATA		14
	X1		PLL OSC	-CLK		COM
	X1			-CLK
				-STB
	TX LOOP		VC1
			VC1			POWER SUPPLY
						POWER SUPPLY
						RESET CHARGE
		POWER	DC 5V			5V		DC IN
		POWER				5V		12V 150mA
38		CONTROL				REGULATOR		12V 150mA
		CONTROL				REGULATOR		(AC Adaptor)
		Q2				Q18, Q19		(AC Adaptor)
	RF AMP	TX VCO				X2		AC DOWN
	RF AMP	TX VCO				X2		DTC
	Q3,Q4, T5	Q5, T6, DV1						DTC
								Q402,Q403
			VTX	RF	RX	RESET
				-DATA	DATA	RESET
				-DATA	DATA	DTC
				-CLK		DTC
				-CLK		Q401		CHARGE
				-STB		Q401		CHARGE
				-STB				CONTROL
			TX					CONTROL
			TX					Q14, Q17
			DATA					Q14, Q17
			DATA					Q24, Q25
					CPU			Q24, Q25
					CPU			DC 12V
			LED		IC2			DC 12V
	DC 5V		LED		IC2
	DC 5V		Q21, LED1
			Q21, LED1
	CONTROL LINE					CHARGE		CHARGE
	CONTROL LINE					DTC		TERMINAL
						DTC		TERMINAL
	AUDIO SIGNAL					Q7
	AUDIO SIGNAL

TEL LINE

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

KX-TC2000NZB/W/F BLOCK DIAGRAM (BASE UNIT)

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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 Base Unit RF SpecificationHOW to Check the Handset Speaker Frequency Table MHz Explanation of CPU Data Communication STAND-BY TALK, Talk STAND-BY Ringing 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 Dtmf Charge CircuitTelephone Line Interface 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 Handset Schematic Diagram Handset For Schematic DiagramBase Unit Schematic Diagram Base Unit 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