21 Block Diagram
BUFFER
QR8571
OPTICAL PICK UP UNIT
Q8551,8552
Q8561,8562
VOL4+
VOL4-
VOL3+
17
OPIN+
4
OPIN-
5
15
16
VOL3-
18
VOL1+
14
VOL1-
13
VOL2+
12
VOL2-
TRAVERSE SW
11
MUTE
CH1,2
MUTE
CH3
24
BIAS1
1
VIN1
2
VIN2
3
23
VIN3
27
9
6
SCL
SDA
5
SCL
SDA
MUTE12,4
SW
SP DRV
FO DRV
PWM0
148
DRV1
76
TRS DRV
MUTE3
DRV0
75
AD1
140
DRV4
79
DRV8
83
DRV3
78
P9
59
60
P8
81
DRV6
72
FG
111
110
125
126
RFINP
RFINN
LPC2
LPC02
LPC1
LPC01
VIN9
VIN10
VIN5
VIN6
VIN7
VIN8
VIN4
VIN3
VIN2
VIN1
MOTOR
SPINDLE
MOTOR
TRAVERSE
EE PROM
(Not supplied)
C3EBGC000044
IC8611
ACT F-
HFM
ACT F+
ACT T-
ACT T+
ACTUATOR
COIL
FOCUS
COIL
TRACKING
BIAS2
TRACKING COIL/FOCUS COIL/TRAVERSE/SPINDLE MOTOR DRIVE
C0GBG0000048
IC8251
PWM1
VHALF
TRV DRV
147
128
MUTE12
MUTE
CH4
20
MUTE4
MUTE3
LDIN
6
OPOUT
+
-
+
-
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
-
+
-
+
IC8001
MN2DS0003APH
DV2.1 LSI
LD DRIVE
LD DRIVE
130
129
134
133
132
131
135
136
137
138
123
124
LASER DIODE
B1
B2
B4
OPTICAL PICK UP UNIT
B3
A3
A2
PHOTO DETECTOR
A4
A1
LASER DIODE
AMP
HEAD
Q8606,
8607
BUFFER
Q8550,
8560
BUFFER
NRST
IC8601
VOLTAGE DETECTING
C0EBE0000384
NRESET
IC8606
RESET
C0EBA0000031
OUT
2
1
73
SA-HT680PL BLOCK DIAGRAM
SA-HT680PL
67
Summary of Contents for SA-HT680PL
Page 18: ...10 2 Main Components and P C B Locations 18 SA HT680PL ...
Page 23: ...23 SA HT680PL ...
Page 24: ...24 SA HT680PL ...
Page 25: ...11 3 Assembling for traverse motor and spindle motor 25 SA HT680PL ...
Page 26: ...26 SA HT680PL ...
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Page 66: ...SA HT680PL 66 ...
Page 72: ...SA HT680PL 72 ...
Page 88: ...SA HT680PL 88 ...
Page 90: ...SA HT680PL 90 ...
Page 94: ...27 1 Loading Mechanism Traverse Unit Cabinet 94 SA HT680PL ...
Page 95: ...27 1 1 Loading Mechanism Traverse Unit Cabinet Parts Location 95 SA HT680PL ...
Page 96: ...96 SA HT680PL ...
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Page 98: ...98 SA HT680PL ...
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Page 100: ...100 SA HT680PL ...
Page 112: ...27 4 Packaging 112 SA HT680PL ...
Page 113: ...28 Schematic Diagram for printing with letter size 113 SA HT680PL ...
Page 133: ...133 SA HT680PL ...