Sony_CRF-320_维修维护电器原理图手册

CRF-320US ModelCanadian ModelE ModelAEP ModelUK ModelFM/SW/MW/LW32-BANDRADIORECEIVERSPECIFICATIONSFrequency Range:M87.5-108MH2(3.432.78mSelectivity:FM:Better than 70dBSW1.630MHz(187-10m)MW:5301.605kHz(566-187m(400 kHz off resonance)SW/MW/LW:LW150-400kH2(2.000-750ml-60 dB at NORMALAntennas:FM:Telescopic antenna.external antenna(±8kH2 off resonancel-60 dB at NARROWterminals (75Telescopic antenna.external antenna(6 kHz off resonancelSW:terminals (50-75Speaker:12 cm (44 inches)diaMW/LW:Built-in ferrite-rod antenna.external antenna terminalsClock:QUARTZ clock(high impedanceIntermediate Frequency:Input:FM:10.7 MHz,MW/LW:455 kHzAUX IN (mini jack)SW-1st:45.145 MHz.SW-2nd:455 kHzMaximum sensitivity 4.4 mV (-45 dB)at 50 mW outputSensitivity:FM:1.8uV (5dB).S/N-30dBInput impedance 5 k12SW0.7uV(3dB),S/N 6dB.Outputs:Earphone(mini jack】at 10 MHz1MW:32uV/m (30 dB/m).S/N 6dB.For 8 12 earphoneHEADPHONES (phone jack).1built-in ferrite-rod antennaLW:57uV/m (35 dB/m).S/N 6dBFor 8 s headphonesRecording (mini jack)built-in ferrite-rod antennaOutput level 0.8 mV(-60 dB)Image Rejection:FM:60dB.at 104 MHzOutput impedance 1 k2SW1st:90 dB.2nd:65 dB.at 10 MHzControl Jack:TIMER OUT (mini jack)....1MW:55dB.at 1.605 kHzLW:80 dB,at 360 kHzContinued on next page-SAFETY RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY SHADING ON THESCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARECRITICAL TO SAFE OPERATION.REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PARTNUMBERS APPEAR AS SHOWN IN THIS MANUAL ORIN SUPPLEMENTS PUBLISHED BY SONY.SONYSERVICE MANUAL