Sharp CD-E500 Service Manual - Page 16

CD-E500 CD-E55/E44 FM ANTENNA AM LOOP ANTENNA B.P.F 3 BF301 2 1 FM IF T304 6 IC301 1 TA7358AP FM FRONT END 9 234 5 7 8 FM OSC CNP301 FM RF L302 L303 OSC BUFF AM TRACKING Q302 T302 T306 AM BAND COVERAGE FM IF CF303 Q306 DZH05C2+ CF302 IC303 LA1832S FM IF DET./ FM MPX./AM IF 1 T351 CF352 AM IF 2 4 5 CF351 X351 456 kHz 9 8 17 13 FM MUTE LEVEL VR351 AM OSC OUT AM MIX AM IF GND FM MO/ST IC303 VCC DET VCO L 14 LA1832S FM/AM R 15 OUT MPXINFM/AM 24 23 21 10 7 6 18 16 12 IF OUT STEREO SD AM RF IN AM OSC IN FM OSC Q351 SWITCHING X352 VT 4.5 MHz SD FM ST CE CL DO DI FRO DISPLAY +B2 CNS CNP202 765432 FM IN AM IN DO CL DI CE FROM CD SECTION CNS205 CNP205 1L 2 3R 20 1 22 16 15 11 3 4 5 6 OSC IC302 LC72131 PLL(TUNER) 17 MUTE FM/AM MO/ST 7 9 10 21 8 FM Q360 FM TAPE 1 PLAYBACK HEAD L-CH R-CH REC P.B. L-CH R-CH RECORD/ PLAYBACK HEAD TAPE 2 ERASE HEAD SWITCHING Q801 Q803 TAPE 2 SW801 INITIALIZE SW803 REC +B2 Q821 Q822 Q823 BIAS CONT SWITCHING SWITCHING L(T1) 1 R(T1) 24 P.B SWITCHING L(T2) 2 R(T2) 23 L NF 3 R NF 22 6 L REC 9 REC R REC 16 Q807,Q808 Q813,Q814 REF 14 SWITCHING Q802 15 12 11 19 Q810 SWITCHING Q811 M801 TAPE M MOTOR 13 +B2 4 L PB 21 R IC801 5 20 AN7345K PLAYBACK AND RECORD /PLAYBACK AMP. 7 L REC 18 R 8 L NF 17 R NF 10 ALC Q812 Q819 +B2 TAPE MPTOR DRIVER Q815 Q818 CNP803 TAPE_SW 1 T2_RUN_PLUS 2 T2_SOL 3 T1_SOL 4 T1_RUN_PLUS 5 CH_SW 6 T_MOTOR 7 BIAS 8 REC/PLAY 9 REC 10 SOL801 SOLENOID PHOTE INTERRUPTER SWITCHING Q820 Q804 Q817 SOLENOID DRIVER TAPE 1 SW802 INITIALIZE SOL802 SOLENOID PHOTE INTERRUPTER Q809 U_CON5V +B3 Q806 +B2 Q805 Q816 SOLENOID DRIVER CNS803 FROM CNS901 DISPLAY SECTION AUX L R TAPE L R TUNER L R CD L R + + + V V - + DG + Figure 16 BLOCK DIAGRAM (1/4) - 16 -