TK-2302/2302( V ) /230638BLOCK DIAGRAMPower Switch/AF VolumChannelSelectorR31-0670-15S60-0440-051234567891011Tx VCOQ5:2SK1875-F(V)LoopFilterPLL IC5CIC1:MB15A02PFV2E1X1:L77-3042-05PLL_STBPLL_DATPLL_CLKPLL_UL12.8MHz2nd Local:38.40MHzCeramicFilterCF201:L72-0973-052nd IF:450kHzBUSYFMICTA31MODBatteryProtectorD301:GN1GFuseF301:F53-0324-052.5AD303:B30-2315-05SBBATTPTTSIDE1SIDE2EEPROM5MEEPCLKEEPDATIC305:BR24L16F-WPTTSIDE1X301:L78-1433-0514.746MHzRSSI5MIC306:R5F212CCKCMBMCUR305R301X57-7570-20 (TX-RX UNIT)LEDLEDRXLEDTXTCXOTriplerQ2:2SC4774SIDE2Q305,Q306:2SC4919BSHIFTRDF/FDOPTDETPLL_ULVOXBATTQT/DQT_INBUSYRSSITH_DETRXDLow PassFilterB5C5T5R5MRegulatorRegulatorVoltageVoltageSwitchSwitch5T_C5R_C5C_CIC303:XC6209B502PRLEDD304:B30-2314-05SBSB5RQTTCXORx VCOMODQTVCOD4,D8:1SV325FD9:1SV278FQ4:2SK1875-F(V)D3,D6:1SV325FSwitchSwitchRX_SWTX_SW5MQ7:RT1P430UQ8:RT1P430UOscillator:272.000~348.000MHzOscillator:349.700~425.700MHzBSBAFVOL_INAFVOL_OUTEN1EN2EN3EN4EN5IC304:XC6209B502MRResetDetectorVoltageIC301:BD4840FVEQ304:DTB723YEQ303:RT1P141UDETEN1EN2EN3EN4EN5ResetEEPCLKDTMFPCTVPLL_DATPLL_CLKPLL_STB5T_C5C_C5R_CW/NAF_CONTBSHIFTQTTCXOQTVCOMIC_MUTETX_SWRX_SWLEDTXLEDRXAPC_SWSTD1/2_OSCTXDDTRLOADNTDATA/DTRCLKSCLKQW/NRectifierD302:HRC0203CRectifierQ1:KTC4075E(Y,GR)DC_SWSwitch SwitchQ301:RT1N441U Q302:RT1N441UShiftSwitchCeramicOscillatorDI/OEEPDAT