Sony HCD-D390 Service Manual - Page 27

- TUNER SECTION - (East European, CIS model) HCD-D390/D790/G5500/XB33/XB44/XB50/XB60 TM1 ANTENNA FM 75Ω COAXIAL AM ST +10V Q5 ANT IN FE1 FM FRONT END IF OUT CF1 10.7MHz IF AMP Q1-4 CF3 10.7MHz 1 FM IN FM DET OUT 23 VT FE2 MW/LW FRONTEND 6 5 3 2 26 25 24 23 22 21 20 Q14 LW SW Q12 Q13 MW MW SW SW 10 17 9 MW VT1 FM PLL IC21 16 MW AM OSC FM VCO STOP FM/AM IF IF REQ XIN XOUT FM LOW FM/AM MPX IC41 12 LW SW Q9 13 28 REG 14 15 16 17 Q11 MW SW 29 AM OSC 26 FM AFC 27 AM RF IN AM MIX 2 AM IF IFT41 4 AM IF AM DET 24 OUT AM SD 12 ADJ RV41 X41 10.7MHz 9 FM DET STEREO 7 TUNED 6 AM TUNED LEVEL OSC.BUFF FM SD ADJ AM/FM VCO STOP IF BUFF MUTE RV42 FM TUNED LEVEL 30 14 15 13 AM SD 10 X42 450kHz D41 D42 D43 X21 4.5MHz 11 14 7 2 12 8 1 24 13 22 MPX IN SUB CARRIER PEAK CT1701 L1701 TP1701 2 IN OUT R 20 OUT L 21 POLAR DECODER IC1701 L OUT 7 RCH POLAR/PILOT SWITCH IC1702 12 LIN L OUT 14 13 POLA LIN AMP LPF 19 IN L AMP OUT 17 L 3 POUT R OUT 6 R CH RV1701 SUB CARRIER LEVEL 20 SUB IN 18 17 TP1702 RV1702 VCO 10 9 CE 3 DI 4 CL 5 DO 6 MON VCO ST IND VCO STOP R OUT 4 CA 9 11 R CH D1701 D1702 SWITCH Q1701 SWITCH Q1702 SWITCH Q1703 D1703 70 69 72 D1704 68 67 65 66 A ST-L MAIN SECTION (Page 31) STEREO TUNED MUTE B ST-CE COM-DIN COM-CLK COM-DATA MAIN SECTION (Page 32) • R CH: Same as L ch • SIGNAL PATH : FM : AM - 29 - - 30 -