Schematic Diagram - Changer Section - Sony HCD-C770 Service Manual

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