14.3. SERVO BLOCK DIAGRAM
-
+
-
+
-
+
+
-
-
+
-
+
-
+
-
+
MUTE
CH3
BIAS1
MUTE
CH1,2
SHIFT
LEVEL
-
+
+
-
+
-
+
-
SHIFT
LEVEL
-
+
-
+
+
-
SHIFT
LEVEL
-
+
+
-
TRAVERSE MOTOR
0.4Vp-p(0.5usec./div.)
IC2601-11,12,13,14
5.0Vp-p(5msec./div.)
IC2651-24
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
VIN3
VIN2
VIN1
ACTMUT-L
TRVDRV
FODRV
TRDRV
VO2-
VO2+
VO1-
VO1+
VO3-
VO3+
DC2
DC1
61
75
2
9
27
11
12
13
14
18
17
23
3
(TRAVERSE MOTOR DRIVE)
IC2601
FO-
FO+
TR-
TR+
OPTICAL PICK UP UNIT
ACTUATOR
COIL
FOCUS
COIL
TRACKING
RFINN
RFINP
SS
SPDRV
P6
DRV1
P10
VHALF
FG
TRV-SW+
LASER DIODE
Q5202,Q5215
LD DRIVE
VREF
LPCO1
LPC1
LPCO2
LPC2
VIN4
VIN3
VIN2
PWM1
PWM0
DRV0
P7
VIN1
VIN8
VIN7
VIN6
VIN5
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B3
B4
B2
B1
A3
A2
A4
A1
LASER DIODE
AMP
HEAD
Q5201,Q5211
LD DRIVE
134
(DV2.1)
IC3001
(SPINDLE MOTOR DRIVE)
SPINDLE MOTOR UNIT
IC2651
133
132
131
138
137
136
135
127
124
123
126
125
110
111
128
148
147
DVD-LS90PP/93P
SERVO BLOCK DIAGRAM
2
DRIVER
A3
A2
A1
H1+
H1-
H2+
H2-
H3+
PS
EC
ECR
FG
H3-
GAIN
CONTROL
HALL AMP
TORQUE
SENS AMP
CURRENT
SENSE AMP
D
R
CK
Q
Q
4
7
9
HALL1
HALL2
HALL3
TRAVERSE SW
10
11
22
23
RNF
M+5.5V
28
65
76
72
58
21
24
12
13
14
PS
VCC
TSD
TL
DVD-LS90PP / DVD-LS93P
39
Содержание DVD-LS85EB
Страница 8: ...8 DISASSEMBLY REASSEMBLY AND SERVICE POSITION 8 DVD LS90PP DVD LS93P ...
Страница 9: ...8 1 Disassembly 9 DVD LS90PP DVD LS93P ...
Страница 36: ...36 DVD LS90PP DVD LS93P ...
Страница 42: ...DVD LS90PP DVD LS93P 42 ...
Страница 56: ...DVD LS90PP DVD LS93P 56 ...
Страница 60: ...DVD LS90PP DVD LS93P 60 ...
Страница 61: ...18 EXPLODED VIEWS 18 1 Casing Parts Mechanism Section Exploded View 61 DVD LS90PP DVD LS93P ...
Страница 62: ...18 2 Mechanism Section Exploded View 62 DVD LS90PP DVD LS93P ...
Страница 63: ...18 3 Packing Accessories Exploded View 63 DVD LS90PP DVD LS93P ...