Sony HCD-C990 Service Manual - Page 41

7-10. SCHEMATIC DIAGRAM - CHANGER Section - • See page 76 for IC Block Diagrams. HCD-C770/C990 M781 (ROLLER) M761 (STOCKER) VREF OUT2 RNF OUT1 VM VCC FIN GND RIN VREF OUT2 RNF OUT1 VM VCC FIN GND RIN IC751 RPR-220 DISC INSERT DETECT SENSOR CNP751 3P DIODE D SENSE GND CN702 3P DIODE D SENSE GND CNP781 2P MTR RL 1 MTR RL 2 CN703 2P MTR RL 2 MTR RL 1 C781 0.01 VREF OUT2 RNF OUT1 VM VCC FIN GND RIN R702 100 D701 MTZJ-T-77-4.7B R701 680 MODE MOTOR DRIVE IC701 BA6956AN CNP761 2P MTR ST 2 MTR ST 1 CN704 2P MTR ST 2 MTR ST 1 C761 R722 0.01 100 D721 MTZJ-T-77-3.6A R721 680 STOCKER MOTOR DRIVE R712 100 IC721 BA6956AN D711 MTZJ-T-77-5.1A R711 680 R731 150 R734 15k R732 1k R733 10k C711 10 50V Q731 RT1N141 LEVEL SHIFT C754 0.1 C758 0.1 C755 0.1 C756 0.1 C751 0.1 C752 0.1 SW3 SW1A SW1B SW2A SW2B SW4 SW5A ROLLER MOTOR DRIVE IC711 BA6956AN C753 0.1 SW5B C765 0.1 C764 0.1 C763 0.1 C762 0.1 S711 (DISC INSERT(8/12cm)) (ON:WHEN DISC INSERT) CNP711 3P GND SW1-A SW1-B CNP705 3P GND SW1-A SW1-B S713 (DISC IN(8/12cm)) (ON:PLAY POSITION) S714 (DISC IN(8cm)) (ON:PLAY POSITION(8cm DISC ONLY)) CNP721 3P GND SW2-A SW2-B CNP706 3P GND SW2-A SW2-B S715 (DISC OUT) (ON:WHEN DISC OUT FROM PLAY POSITION) CNP731 2P GND SW3 CNP707 2P GND SW3 S716 (STOCKER IN/OUT) ON:THE MOMENT DISC IN/OUT FROM STOCKER S717 (DISC POSITION) IN THE MIDST DISC IS MOVING BETWEEN PLAY POSITION AND STOCKER, ON:DISC IS PLAY POSITION SIDE, OFF:DISC IS STOCKER SIDE S718 (STOCKING) OFF:IN THE MIDST DISC IS MOVING BETWEEN PLAY POSITION AND STOCKER CNP741 4P GND SW4 SW5-A SW5-B CNP708 4P GND SW4 SW5-A SW5-B SW1A SW1B SW2A SW2B SW3 SW4 SW5A SW5B C769 0.1 C768 0.1 C767 0.1 C766 0.1 C771 0.01 41 41 CN701 28P D+5V M+12V M+12V MGND MGND P81 D.SENSOR P92 SW3 P40 SW1-A P41 SW1-B P42 SW2-A P43 SW2-B P93 SW4 P94 SW5-A P44 LOD POS P45 LOD NEG P46 SLD POS P47 SLD NEG P90 ELV POS P91 ELV NEG P95 SW5-B P96 SLD E0 P02 SLD E1 P03 SLD E2 P04 SLD E3 P82 ELV E0 P83 ELV E1 P54 ELV E2 P55 ELV E3 (Page 52) S702 ROTARY ENCODER (STOCKER POSITION) CN710 7P E1 E2 GND E3 E4 MTR MD 1 MTR MD 2 CNP771 7P E1 E2 GND E3 E4 MTR MD 1 MTR MD 2 S771 ROTARY ENCODER (MODE) M771 (MODE)