Sharp CD-ES9 Service Manual - Page 54

CD-ES900/CD-ES99 +B4 FM ANTENNA IC301 TA7358AP ZD351 5.1V FM FRONT END FM IF 10.7 MHz BF301 1 6 SO302 B.P.F 9 34 5 7 8 FM OSC FM ANTENNA TERMINAL FM RF L312 T301 AM LOOP ANTENNA FM OSC T302 CF303 450 kHz T351 CF352 CF351 X351 456 kHz AM IF 12 4 5 9 8 17 13 VCO FM/AM MO/ST FM DET MPXIN FM/AM GND OUT FM+B AM IF AM MIX L 14 R 15 24 23 21 7 18 16 12 STEREO AM OSC OUT AM OSC IN AM RF IN 1 OSC BUFF 2 CNP301 Q302 AM TRACKING T303 T306 AM BAND COVERAGE VT X352 4.5 MHz IC303 LA1832S FM IF DET./ FM MPX./ AM IF CE DI CLK DO MOTOR DRIVER Q706 +B7 Q711 Q712 +B7 Q707 Q708 Q714~ Q717 SOLENOID DRIVER CNP5 FROM CD SECTION TAPE MECHANISM ASS'Y IC302 LC72131 PLL(TUNER) FM+B 20 1 22 15 16 11 OSC +B4 Q360 FM 7 9 10 FM/AM MO/ST 3456 17 21 +B4 SWITCHING JK691 VIDEO OUT CNS601 BI601 1 1 2 3 3 4 JK690 GAME INPUT L AUX R VIDEO +B4 23 L9 DI 1 R 16 CE 2 TAPE TUNER L 10 R 15 L 11 R 14 IC601 CLK 24 Ð20dB LC75341 ATT Q601 AUDIO PROCESSOR 21 R Q602 CD L 12 4L R 13 7 18 3 Q603 Q604 TAPE 1 L-CH P.B. HEAD R-CH TAPE 2 REC./P.B. HEAD REC. L-CH P.B. R-CH AC BIAS SWITCHING Q101~ Q104 L(T1) 1 R(T1) 24 L(T2) 2 R(T2) 23 13 +B4 P.B 4 L PB 21 R Q107 Q108 MUTING POP REDUCE 6 T1/T2 H/N 7 L REC L REC 9 REC 18 R R REC 16 IC101 11 AN7345K 12 NOR/ 15 HIGH T1/T2 10 ALC PLAYBACK AND RECORD /PLAYBACK AMP. 19 SWITCHING Q105 Q106 +B4 Q114 SWITCHING Q112 Q113 REC/PLAY T1/T2 JOG701 VOLUME BIAS ERASE HEAD SWITCHING +B4 Q111 L103 BIAS OSC Q109 Q110 +B4 SWITCHING BIAS LED DRIVER Q710 LED703 30 48 58 IC701 SYSTEM MICROCOMPUTER (2/2) IC701 IXA002AW (Serial No. 31000001~402XXXXX) IXA007AW (Serial No. 402XXXXX) IXA020AW (Serial No. 402XXXXX~) SYSTEM Figure 4-2 BLOCK DIAGRAM (2/3) 4 - 2