Sharp XL-HP737 Service Manual - Page 23

XL-HP737 IC601 C75341 C653 PROCESSOR 220P CLK 24 CB RFACE -+ -+ VDD 23 VREF 22 ROUT 21 C601 220/16 +B C603 22/16 C608 0.12 C602 0.022 R603 1K C610 1/50 R604 10K -+ -+ -+ AUX DECK TUNER CD RBASS 20 C606 0.15 R606 3.9K RTRE 19 C614 RIN 18 1/50 C616 R06 RSEL0 4.7/50 17 0 R4 16 C618 1/50 R3 15 R2 14 R1 13 C620 1/50 C622 1/50 C624 1/50 C612 0.0022 R642 10K R644 6.8K R643 6.8K +B R641 10K R693 39K 4 R691 6.8K C691 390P 3 R690 C690 2 6.8K 390P 1 R692 39K L-CH JK690 VIDEO/AUX R-CH CHASSIS GND TUN_R 14 A_GND 13 TUN_L 12 11 10 9 D_GND 8 7 6 +B A_+10V 5 DO 4 CLK 3 DI 2 CE 1 CNP303 CNS303 6-7 10 - G FROM TUNER PWB C626 0.0022 R608 1.2K 0.022 100 C129 0.0033 PLAYBACK AND RECORD/ PLAYBACK AMP. C137 0.047(ML) +B R137 220K EC_R R138 10K 7V R136 220K R139 10K Q107 KTC3875 GR 0.7V 0V C135 0.022 C134 220/10 R134 10K 22/16 C130 0.0033 100 0.022 C131 47/25 R135 10K C132 47/25 C133 +B 26 16 ALC RIPPLE VCC ALC Nor/CrO2 16 56K 15 14 13 56K 9 10 11 12 IC101 AN7345K R158 220 +B R140 47K 11.6V 0V R142 82 (1/2W) Q110 KRC104 S 11.6V 0V 2 3 Q109 R141 KTA1504 GR 4.7K 1 Q111 KTC3203 Y R143 47K 0V 0V R144 22K 0V C138 0.0082 R145 4.7 C139 0.039(ML) L103 330µH C140 47/25 M_GND TAPE_A_GND APRO_GND A_+10V +B_PROTECT D_GND M_+13V SW_+5V UNSW5.6V SP_DET SP_RLY P_IN -VF VF1 VF2 AC_RLY CON +B TO DISPLAY PWB 6-9 11 - B CNP701A +B UNSW5.6V +B +B 21 25 19 8 9 22 6 12 17 5 4 TO MAIN PWB(2/2) 6-4 1 - D~H 16 15 14 13 18 21 P_IN 20 SP_RLY 19 AC_RLY CON 18 SP_DET 17 CLK 16 DI 15 DO 14 CE 13 +B_PROTECT 12 D_GND 11 S_MUTE 10 T_BIAS 9 REC/PLAY 8 -20dB 7 M_+13V 6 SW_5V 5 A_+10V 4 -VF 3 VF1 2 VF2 1 CNP701B 21 1 FFC701 7 8 9 10 11 12 Figure 6-3 SCHEMATIC DIAGRAM (2/10) 6 - 3