Signal_R-535_Schematic电器原理图手册s_-_Service

R-535BSignal LevelsTest PointFrequencyVoltageAntenna Cormector118.100MHz-5dBu emfQ1Gate 1118.100MHz7.5dBu emfQ2Base21.400MHz8.0dBu emfQ16Base21.400MHz9.0dBu emfQ20Base455KHz34dBu emfQ21Base455KHz53dBu emfQ22Base455KHz82dBu emfJ-4,Pin5(Green Wire】1000Hz1.1mV1)All of RF and IF signal levels are open terminal input voltage at 2.0VAGC voltage.(AGC circuit voltage is 2.45V at no signal input.2)RF Singal source output impedance is 50-ohms in case of without notice.3)AF(1000Hz)signal level is input level to get 100mW/8-ohm audio output.4)AF singal source output impedance is 600-ohm in case of without notice.5)Rotate audio volume control to fully clockwise for measuring by AF signal.R-535BInjection LevelsTest PointSignal Level and FrequencyQ2BaseVHF60mV,139.400MHz (Set Freq.118.1MHz)Q2Base·UHF-Low45mV,241.400MHz (Set Freq.220.OMHz)Q2BaseUHF-High40mV,278.600MHz(Set Freq.300.OMHz)Q20 Base2nd Lo68mV.20.945MHzIC2 Pin 11VHF100mV139.400MHz (Set Freq.118.1MHz)IC2 Pin 10UHF-Low65mV,241,400MHz(Set Freq.220.0MHz)IC2 PIn 10 UHF-High59mV,278.600MHz (Set Freq.300.OMHz)1)Set the receiving frequency at 118.100MHz on VHF band,220.000MHz at UHF-Lowband and 300.000MHz at UHF-High band.for measurement.2)Grounding Point when measure injection voltage by RF mV meter of Q2 and Q20are each emitter.3)Grounding point when measure input voltage to Pin 10 and Pin 11 of Ic2 byRF mV meter is Pin 14 of IC2.R-535BReceiving Frequency vs PLL DC voltageBandFreqeuncyPLL DC VoltageVHF108.000MHz2.4-2.6VVHF142.995MHz10.0-11.5VUHF/L220.000MHz2.1-2.3VUHF/L299,.975MHz11.0-11.9VUHF/H300.000MHz1:95-2.2VUHF/H399.975MHz11.0-12.0V