Sharp CD-E500 Service Manual - Page 19

TO POWER SECTION CD-E500 CD-E55/E44 CNS901 3.8V VF1 1 VF2 2 3.8V -B2 3 -30V +B3 4 5.6V D_GND 5 CNS405 UP_SW 1 DOWN_SW 2 OPEN_SW 3 DISC NO._SW 4 DISC 1_SW 5 CLOSE_SW 6 ROTATE 7 CE 8 CD RES 9 DRF 10 VWRQ 11 CNS803 TAPE_SW 1 T2_RUN_PLUS 2 T2_SOL 3 T1_SOL 4 T1_RUN_PLUS 5 CH_SW 6 MOTOR 7 TAPE_BIAS 8 REC_PLAY 9 REC SW 10 CNS102 FAN_PRT 7 FAN_START 6 SP_DETECT 5 SP_RELAY 4 SIGAL_LVL 3 P_MUTE 2 CD+B 1 CNS202 D_GND 1 D1 2 D0 3 CL 4 CE 5 FM_ST 6 SD 7 VFD701 FL DISPLAY VF2 VF1 33 32 31 ~ 16 15 ~ 12 11 ~ 3 21 +B3 Q701 LED701 P20 P5 GND P4 P1 G1 G9 70 DISC_UP_SW 67 ~ 52 ~ 51 50 ~ 47 ~ 38 ~ 30 ~ 74 DISC_DOWN_SW 75 OPEN_SW 68 DISC_NO_SW 69 DISC1_SW 71 CLOSE_SW 73 ROTATE 4 CD_CE 5 CD_RES 6 CD_DRF 7 CD_WRQ 89 GND 23 T2_TAPE2_SW IC701 IX0058SJ SYSTEM MICROCOMPUTER 83 T1_RUN_PLUS 81 T2_SOL 80 T1_SOL 82 T1_RUN_PLUS 84 CH_SW 79 MOTOR 76 TAPE_BIAS 77 REC_PLAY 78 REC 1 IRQ 29 POWER_KEY 28 X-BASS/DEMO 27 KEY2_IN 19 KEY1_IN 18 CF2 16 CF1 15 GND 14 VDD1 17 VDD2 90 VDD3 46 VDD4 72 FAN_PRT FAN_START SP_DETECT SP_RELAY SIGAL_LVL P_MUTE CD+B D1 D0 CL CE FM_ST SD RESET IN PUT SYS_STOP 21 92 93 94 91 88 85 95 96 97 98 99 100 11 26 X702 8 MHz REMOTE SENSOR RX701 +B3 SW702 POWER ON/STAND-BY SW701 X-BASS /DEMO KEY SW703~SW710 SW719~SW721 KEY SW711~SW715 SW722~SW724 +B3 RESET Q702,Q703,Q704 TO MAIN SECTION Figure 19 BLOCK DIAGRAM (4/4) - 19 -