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Panasonic Manuals
Portable DVD Player
DVD-LS93P
Service manual
Servo Block Diagram - Panasonic DVD-LS93P Service Manual
Portable dvd/cd player
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14.3. SERVO BLOCK DIAGRAM
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1
B2
A1
A2
HEAD
A4
A3
AMP
B4
B3
LASER DIODE
LASER DIODE
IC2651
(SPINDLE MOTOR DRIVE)
SPINDLE MOTOR UNIT
A3
2
DRIVER
A2
4
GAIN
CONTROL
A1
7
CURRENT
SENSE AMP
+
-
HALL AMP
H1+
9
+
-
HALL1
TL
+
H1-
-
10
H2+
11
+
-
HALL2
+
H2-
R
-
12
D
Q
CK
Q
H3+
13
+
-
HALL3
+
H3-
-
14
TRAVERSE SW
IC3001
(DV2.1)
VIN5
134
VIN6
133
VIN7
132
VIN8
131
VIN1
138
VIN2
TRDRV
137
PWM1
147
VIN3
136
VIN4
135
FODRV
PWM0
148
VREF
127
Q5201,Q5211
LPCO1
124
LD DRIVE
TRVDRV
DRV0
75
LPC1
123
Q5202,Q5215
LPCO2
LD DRIVE
126
LPC2
125
RFINN
110
RFINP
111
RNF
28
M+5.5V
ACTMUT-L
P7
61
IC2651-24
5.0Vp-p(5msec./div.)
TSD
PS
SS
PS
23
65
P6
TORQUE
SENS AMP
EC
SPDRV
+
22
76
DRV1
-
VCC
ECR
VHALF
21
128
FG
FG
24
72
TRV-SW+
58
P10
RF SIGNAL
MOTOR DRIVE SIGNAL
IC2601
(TRAVERSE MOTOR DRIVE)
VIN1
2
VIN2
3
LEVEL
SHIFT
VIN3
23
-
+
LEVEL
CH3
27
SHIFT
MUTE
-
+
BIAS1
CH1,2
9
MUTE
LEVEL
SHIFT
-
+
39
DVD-LS90PP / DVD-LS93P
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
VO3+
DC1
17
-
+
TRAVERSE MOTOR
VO3-
DC2
18
-
+
OPTICAL PICK UP UNIT
IC2601-11,12,13,14
0.4Vp-p(0.5usec./div.)
ACTUATOR
TRACKING
COIL
-
VO1+
TR+
+
14
VO1-
TR-
13
-
FOCUS
+
COIL
VO2+
FO+
12
VO2-
FO-
11
-
+
-
+
DVD-LS90PP/93P
SERVO BLOCK DIAGRAM
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DVD-LS92P Servo Block Diagram
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This manual is also suitable for:
Dvd-ls90pp
Dvd-ls90eg
Dvd-ls85eb
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