OPTICAL PICK UP UNIT
Q8551,8552
Q8561,8562
VOL4+
VOL4-
VOL3+
17
VOL3-
18
VOL1+
14
VOL1-
13
VOL2+
12
VOL2-
11
MUTE
CH1,2
MUTE
CH3
24
BIAS1
1
VIN1
2
VIN2
3
23
VIN3
27
9
6
SCL
SDA
5
SCL
SDA
MUTE12
TRS DRV
F0 DRV
PWM0
148
DRV0
75
DRV8
83
P9
59
60
P8
TRAVERSE SW
FG
24
ECR
21
EC
22
PS
23
14
H3-
13
H3+
12
H2-
11
H2+
10
H1-
9
H1+
7
A1
4
A2
A3
2
VCC
CK
Q
Q
R
D
HALL AMP
SENSE AMP
CURRENT
CONTROL
GAIN
DRIVER
MUTE3
SP DRV
SW
DRV6
81
FG1
72
VHALF
128
DRV1
76
79
111
110
125
126
DRV4
RFINP
RFINN
LPC2
LPC02
LPC1
LPC01
VIN9
VIN10
VIN5
VIN6
VIN7
VIN8
VIN4
VIN3
VIN2
VIN1
SPINDLE MOTOR UNIT
MOTOR
TRAVERSE
EE PROM (Not supplied)
(Not supplied)
C3EBGZ000001
ACT F-
ACT F+
ACT T-
ACT T+
ACTUATOR
COIL
FOCUS
COIL
TRACKING
BIAS2
SPINDLE MOTOR DRIVE
C0GBF0000004
TRACKING COIL/FOCUS COIL/TRAVERSE MOTOR DRIVE
C0GBG0000044
PWM1
TRV DRV
147
MUTE12
MUTE3
LDIN
+
-
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
-
+
-
+
MN2DS0003APH
DV2.1 LSI
HALL3
HALL2
HALL1
TL
TSD
TL
+
-
-
+
+
-
+
-
-
+
-
+
-
+
-
+
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
SA-HT870E,EB,EG BLOCK DIAGRAM
+B
+B
73
NRST
78
DRV3
QR8571
(D3.3V)
SUPPLY
POWER
Q8550,8560
(A5V)
SUPPLY
POWER
Summary of Contents for SC-HT870
Page 20: ...SHIFT SHIFT I SHIFT ...
