Changer Section - Sony HCD-FC8 Service Manual

HCD-FC8/FC9
Q Q
7-6. SCHEMATIC DIAGRAM – CHANGER SECTION – • See page 70 for Waveforms. • See page 79 for IC Block Diagrams.
3 7 6 3 1 5 1 5 0
CNP751
3P
DIODE
IC751
D SENSE
RPR-220
GND
IC751
DISC INSERT
DETECT SENSOR
CNP781
2P
MTR RL 1
M781
MTR RL 2
(ROLLER)
CNP761
2P
MTR ST 2
M761
MTR ST 1
(STOCKER)
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
CN702
3P
DIODE
D SENSE
GND
R702
100
R701
D701
680
MTZJ-T-77-4.7B
CN703
2P C781
0.01
MTR RL 2
MTR RL 1
STOCKER MOTOR
DRIVE R712
100
IC721
BA6956AN
CN704
2P C761 R722 D711
0.01 100 MTZJ-T-77-5.1A
MTR ST 2
MTR ST 1
R721
D721
680
MTZJ-T-77-3.6A
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,
x a o
ON:DISC IS PLAY POSITION SIDE, y
OFF:DISC IS STOCKER SIDE
. i
S718
(STOCKING)
OFF:IN THE MIDST DISC IS MOVING
BETWEEN PLAY POSITION AND STOCKER
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R731
150
R733
10k
R734
15k
R732
1k
Q731
RT1N141
MODE MOTOR
LEVEL
DRIVE
SHIFT
IC701 C754
BA6956AN C711
10
C758
50V
C756
C751
C752
ROLLER MOTOR
DRIVE
IC711
C753
BA6956AN
R711
C764
680
C763
Q Q
3 7 6
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
GND GND
SW3 SW3 SW3
C768
CNP741 CNP708
4P 4P
GND GND
SW4 SW4 SW4
SW5-A SW5-A SW5A
SW5-B SW5-B SW5B
u 1 6 3
.
44 44
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2 4
8 9 9
CN701
28P
D+5V
M+12V
M+12V
MGND
MGND
P81 D.SENSOR
0.1 SW3 P92 SW3
SW1A P40 SW1-A
0.1
C755
SW1B P41 SW1-B
0.1
SW2A P42 SW2-A
0.1 SW2B P43 SW2-B
SW4 P93 SW4
0.1
SW5A P94 SW5-A
0.1
P44 LOD POS
P45 LOD NEG
P46 SLD POS
P47 SLD NEG
P90 ELV POS
P91 ELV NEG
SW5B P95 SW5-B
P96 SLD E0
0.1
P02 SLD E1
P03 SLD E2
P04 SLD E3
C765
0.1
P82 ELV E0
P83 ELV E1
0.1
P54 ELV E2
0.1 P55 ELV E3
C762
0.1
S702
3 1 5 1 5 0 8 9 2
ROTARY ENCODER
(STOCKER POSITION)
CN710 CNP771
C769 7P 7P
0.1
E1 E1
E2 E2
0.1
GND GND
C767 0.1 E3 E3
C766 0.1 E4 E4
MTR MD 1 MTR MD 1
MTR MD 2 MTR MD 2
C771
0.01
m
c o
2
8 9 9
(Page 55)
4 9 8 2 9 9
S771
ROTARY ENCODER
(MODE)
M771
(MODE)