Panasonic KX-TC1205RUB, KX-TC1205RUW, KX-TC1205RUS, KX-TC1205RUF manual Block Diagram Handset, IC1

Page 37

15 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
37	CONTROL
37	Q4
	Q4
							DIODE
RF AMP	TX VCO					X3	BRIDGE
RF AMP	TX VCO					X3	Q9
Q5, T5	Q6, T6, DV1						Q9
Q5, T5	Q6, T6, DV1
		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

DIODE

BRIDGE

D1

DC 3.9V

CONTROL LINE

AUDIO SIGNAL

BATTERY

3.9V

CHARGE

TERMINAL

KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R

KX-TC1205RUB/W/S/F BLOCK DIAGRAM (HANDSET)

US / KX-TC1205RUF

Image 37

Contents KX-TC1205RUB KX-TC1205RUW KX-TC1205RUS KX-TC1205RUF Contents Accessories and Packing Materials Recharge Battery information BatteryBattery Replacement Base Unit Handset Location of ControlsConnection KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF Adding Another Phone Making Calls Answering Calls OperationsKX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF Flash Button Show in Fig 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.27 Check Handset Reception Check Handset TransmissionTest Mode Flow Chart Base Unit Adjustments Base UnitAdjustment How to change the channelIC3 Adjustment Standard Base UnitTest Mode Flow Chart Handset Adjustments HandsetIC1 How to change the channel AdjustmentComponent View Adjustment Standard HandsetFlow Solder Side View HOW to Check the Handset Speaker RF SpecificationBase 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 IC1 Block Diagram Base UnitIC1 Block Diagram HandsetOutline Circuit OperationPower Supply Circuit Reset Circuit Base Unit Telephone Line Interface Charge CircuitBase to Handset Transmitter/ReceiverHandset to Base Signal Route Circuit Operation Handset Reset Circuit HandsetBattery Low / Power Down Detector 18.1. IC2 19.1. IC2 Procedure HOW to Replace Flat Package ICModification Procedure of Bridge PreparationCabinet and Electrical Parts Location Base Unit Cabinet and Electrical Parts Location Handet Accessories and Packing Materials Cabinet and Electrical Parts Replacement Parts ListDiodesi ZNR1 ERJ3GEYJ514 PQXA36ASVC Battery ERJ3GEYJ202 Accessories and Packing Materials Base Unit Schematic Diagram Base Unit For Schematic DiagramHandset Schematic Diagram Handset 26.1 Base Unit Schematic Diagram Base UnitFILTER\2 26.2 RF Unit Base Unit27.1 Handset Schematic Diagram Handset450kHz RF Unit HandsetKX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF Circuit Board Base Unit IC1 IC4 IC2 IC3 Circuit Board Handset RX VCO TX VCO KXTC1205RUB