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17 Block Diagram
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1
B2
A1
A2
HEAD
AMP
A4
A3
B4
B3
LASER DIODE
Q8551,8552
LD DRIVE
LASER DIODE
Q8561,8562
LD DRIVE
IC8001
MN2DS0009AP
DV3.2 LSI
138
VIN1
137
VIN2
135
VIN3
136
VIN4
134
VIN8
133
128
VIN7
VHALF
132
VIN6
131
144
TRV DRV
VIN5
PWM1
129
VIN10
130
145
F0 DRV
VIN9
PWM0
124
90
LPC01
DRV1
123
LPC1
91
TRS DRV
DRV0
126
LPC02
125
LPC2
140
AD1
139
AD0
113
RFINN
114
RFINP
87
SPMUTE
DRV4
83
TRVFT MUTE
DRV3
QR8571
81
P14
BUFFER
89
DRV2
85
FG
59
IC8251
C0GBG0000048
TRACKING COIL/FOCUS COIL/TRAVERSE/SPINDLE MOTOR DRIVE
-
+
LEVEL
SHIFT
-
-
1
BIAS1
+
+
2
VIN1
3
VIN2
-
+
23
VIN3
LEVEL
SHIFT
-
+
24
LDIN
-
+
BIAS2
6
OPOUT
-
+
LEVEL
SHIFT
-
-
+
+
27
MUTE3
CH3
MUTE
-
+
9
MUTE12
CH1,2
LEVEL
MUTE
SHIFT
-
-
+
+
20
MUTE4
CH4
MUTE
SA-HT543EE
VOL4+
15
TRAVERSE
MOTOR
VOL4-
16
OPIN+
4
VOL3+
17
SPINDLE
MOTOR
VOL3-
18
OPIN-
5
OPTICAL PICK UP UNIT
VOL1+
14
ACTUATOR
TRACKING
COIL
ACT T+
VOL1-
13
ACT T-
FOCUS
COIL
ACT F+
ACT F-
VOL2+
12
HFM
VOL2-
11
TRAVERSE INNER SW
SA-HT543EE BLOCK DIAGRAM
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