Sharp XL-HP500 Service Manual - Page 14

XL-HP500 CNP302 FM/AM LOOP 1 ANTENNA 2 3 IC303 +B6 +B5 IC301 LA1832S B.P.F BF301 TA7358AP FM FRONT END 1 34 6 9 57 8 FM IF DET. FM MPX./AM IF FM IF +B6 T302 CF302 450 kHz T351 CF352 ZD351 +B6 5.1V 10.7 MHz CF351 X351 456 kHz OSC AM IF 12 4 5 9 8 17 13 GND VCC AM MIX FM RF L312 T301 BUFF FM DET L 14 FM OSC Q302 R 15 VCO FM/AM MO/ST MPXIN FM/AM OUT AM IF 24 23 21 7 18 16 12 20 STEREO AM OSC OUT AM OSC IN AM RF IN AM AM BAND TRACKING COVERAGE T303 T306 +B6 VT X352 4.5 MHZ IC302 CE DI CLK DO Q361 FM/AM MO/ST LC72131 20 1 22 15 16 11 3 4 5 6 PLL(TUNER) OSC 17 +B5 7 9 10 21 +B5 FM+B Q360 FM SWITCHING CNP9 FROM CD SECTION BI901 8 7 6 +B5 JK690 VIDEO/AUX 23 L AUX L 9 DI 1 R R 16 CE 2 TAPE TUNER L 10 IC601 CLK R 15 L 11 LC75341 R14 AUDIO PROCESSOR 24 -20dB ATT Q601 21 R Q602 Q603 Q604 CD L 12 4L R 13 7 18 8 17 3 SYSTEM MUTE REC./P.B. HEAD REC. L-CH P.B. R-CH AC BIAS L2 SWITCHING R 23 Q101~ Q104 P.B 4 L PB 21 R Q107 Q108 MUTING POP REDUCE 6 T1/T2 H/N 7 L REC L REC 9 REC R REC 16 11 12 NOR/ 15 HIGH 18 13 T1/T2 R +B5 IC101 AN7345K PLAYBACK AND RECORD /PLAYBACK AMP. REC/PLAY ERASE HEAD SWITCHING Q105 Q106 +B5 Q114 SWITCHING Q112 Q113 SWITCHING +B5 Q111 L103 BIAS OSC Q109 SWITCHING Q110 BIAS BIAS MOTOR DRIVER +B3 Q500 TAPE MECHANISM ASS'Y +B3 Q501 C SOLENOID DRIVER VF1 -VF Figure 14 BLOCK DIAGRAM (2/3) - 14 -