SONY CXA1619BM/BS Block Diagram CXA1619BM FM/AM AF Ripple AF DET AFCAFC F FM AM BAND GND OUT Vcc FILTER IN OUT AGCAGC GND METER NC IF IN IF IN SELECT 28— 2⑦202524 232221 15 AM IF DET AGC TUNING METER AF POWER AMP AM FE FMIF FM DISCRIMINATOR FM FE 1 ② ③ ④⑤⑥⑦⑧⑨0①②③①4 GND FM NF VOL AM AFC FM Reg FM AM NC FM FE FM/AM DISCRI oSc OSC OUT RF RFIN RF IN GNDFE OUT CXA1619BS FM/AM AF Ripple AF DET AFCAFC IF FM AM BAND GND GND OUT VCC FILTER IN OUT AGCAGC GND METER NC IF IN IF IN SELECT AM IF DET AGC TUNING METER AF POWER AMP AM FE FM IF FM DISCRIMINATOR FM FE (个②③④⑤⑥⑦8⑨0①2③—14—1⑤ GND GND FM NF VOL AM AFC FM Reg FM AM NC FM FE FM/AM DISCRI oSc OSC OUT RF RF IN RF IN GND FE OUT -2-—2— CXA1619BM/BS Block Diagram CXA1619BM CXA1619BS FM/AM BAND SELECT AM IF IN FM METER NC IF IN IF GND AFC AGC AFC AGC DET OUT AF IN Ripple VCC FILTER AF GND OUT GND FM DISCRI NF AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT VOL TUNING METER FM IF FM DISCRIMINATOR FM FE AF POWER AMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AM IF DET AGC AM FE FM/AM BAND SELECT AM IF IN FM METER NC IF IN IF GND AFC AGC AFC AGC DET OUT AF IN Ripple VCC FILTER AF GND GND OUT GND FM DISCRI NF AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT GND VOL AM IF DET AGC AM FE FM FE FM IF 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 AF POWER AMP TUNING METER FM DISCRIMINATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15