Kenwood TK-2302 Service Manual

Also see for TK-2302: Instruction manual Instruction manual Instruction manual

Contents

TK-2302/2302( V ) /230614TX-RX unit (X57-7570-20)Ref. No. Part Name DescriptionIC1 IC PLL system ICIC2 IC PrescalerIC101 IC APCIC201 IC FM system ICIC301 IC Voltage detector/ ResetIC303,304 IC Voltage regulator/ 5VIC305 IC EEPROMIC306 IC MCUIC308 IC Audio processorIC309 IC Audio amplifierQ1 Transistor RectificationQ2 Transistor TriplerQ3 Transistor RF amplifierQ4 FET VCO/ RXQ5 FET VCO/ TXQ6 Transistor RectificationQ7 Transistor DC switch/ RX VCOQ8 Transistor DC switch/ TX VCOQ9 Transistor RF amplifierQ10 Transistor Ripple filterQ11 Transistor RF amplifierQ101 Transistor RF amplifierQ102 FET TX drive amplifierQ103 Transistor Discharge switchQ105 FET TX final amplifierQ106 Transistor DC switchQ107 FET DC switchQ108 Transistor DC switchQ201 Transistor Wide/Narrow switch/ RXQ202 Transistor IF amplifierQ203 FET MixerQ204 FET Low noise amplifierCOMPONENTS DESCRIPTIONRef. No. Part Name DescriptionQ301 Transistor DC switch/ Red color LEDQ302 Transistor DC switch/ Green color LEDQ303 Transistor DC switch/ 5RQ304 Transistor DC switch/ 5TQ305,306 Transistor Beat shift switchQ307 Transistor Wide/Narrow switch/ TXQ308 Transistor RectificationQ310,311 Transistor MIC muteQ312,313 Transistor DC switchQ314 Transistor Mute switchQ315,316 FET Mute switchD3 Variable Capci-tance Diode Frequency control/ RX VCOD4 Variable Capci-tance Diode Frequency control/ TX VCOD6 Variable Capci-tance Diode Frequency control/ RX VCOD8 Variable Capci-tance Diode Frequency control/ TX VCOD9 Variable Capci-tance Diode ModulatorD10 Diode TX/RX RF switchD101 Zener diode Voltage protectionD103~105 Diode ANT switchD202~205 Variable Capci-tance Diode RF BPF tuningD301 Diode Reverse voltage protectionD302 Diode RectificationD303 LED Red color LEDD304 LED Green color LEDD306 Diode RectificationD307 Diode LimiterD308,309 Diode Rectification