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21 Block Diagram
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1
B2
A1
A2
HEAD
A4
A3
AMP
B4
B3
LASER DIODE
Q8551,8552
LD DRIVE
LASER DIODE
Q8561,8562
LD DRIVE
IC8606
C0EBA0000031
RESET
IC8601
OUT
C0EBE0000384
VOLTAGE DETECTING
1
Q8606,
8607
2
NRESET
BUFFER
IC8001
MN2DS0003APH
DV2.1 LSI
138
VIN1
137
VIN2
136
VIN3
135
VIN4
131
VIN8
132
128
VIN7
VHALF
133
VIN6
134
147
VIN5
PWM1
129
VIN10
130
148
VIN9
PWM0
124
76
LPC01
DRV1
123
LPC1
75
DRV0
126
LPC02
125
LPC2
140
AD1
110
RFINN
111
RFINP
79
DRV4
83
DRV8
78
DRV3
81
DRV6
72
FG
Q8550,
8560
BUFFER
73
60
NRST
P8
59
P9
IC8251
C0GBG0000048
TRACKING COIL/FOCUS COIL/TRAVERSE/SPINDLE MOTOR DRIVE
-
1
BIAS1
+
TRV DRV
2
VIN1
F0 DRV
3
VIN2
SP DRV
23
VIN3
TRS DRV
24
LDIN
-
+
BIAS2
6
OPOUT
-
+
MUTE3
27
MUTE3
CH3
MUTE
MUTE12,4
9
MUTE12
CH1,2
MUTE
-
+
20
MUTE4
CH4
MUTE
QR8571
BUFFER
SW
IC8611
C3EBGC000044
EE PROM
SDA
5
SDA
SCL
6
SCL
(Not supplied)
47
SA-HT930P / SA-HT930PC / SA-HT930PX
VOL4+
15
-
TRAVERSE
+
MOTOR
LEVEL
VOL4-
16
SHIFT
-
+
OPIN+
4
VOL3+
17
-
SPINDLE
+
MOTOR
LEVEL
VOL3-
18
SHIFT
-
+
OPIN-
5
OPTICAL PICK UP UNIT
VOL1+
14
ACTUATOR
-
TRACKING
+
COIL
ACT T+
LEVEL
VOL1-
13
ACT T-
SHIFT
-
FOCUS
+
COIL
ACT F+
ACT F-
VOL2+
12
HFM
-
+
LEVEL
VOL2-
11
SHIFT
-
+
TRAVERSE SW
SA-HT930P/PC/PX BLOCK DIAGRAM
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