DVD-LS50EB/EG/GCS/GK/GN
SERVO BLOCK DIAGRAM
F04
F02
R01
F01
F03
R03
PHS
WAVEA
WAVEB
WAVEC
PWMOUTA
PWMOUTB
PWMOUTC
PHASE
SHIFT
FREQUENCY
MULTIPLIER
THERMAL
SHUTDOWN
LOW VOLTAGE
DETECTOR
POWER
SECTION
KVAL
BLOCK
0.2V
MEMORY AND
MEMORY SCAN
ROTOR
POSTION
DETECTOR
PWM
CONVERTER
INDUCTIVE SENSE
START UP BLOCK
DIGITAL
MULTIPLIER
CURRENT
LIMITER
12
3.8Vp-p(1msec./div.)
IC2502-19
5.6Vp-p(20usec./div.)
IC2501-6,8,9,25
F-
T-
STB
HFG
PWMIN
OUTW
OUTV
OUTU
H-
H+
T+
F+
1
RF1
8
10
9
19
11
83
72
81
58
8
6
9
25
4
5
6
(SPINDLE MOTOR DRIVE)
A2
A1
A3
H2+
SW2
H2-
HALL2
TRAVERSE SWITCH
PICK-UP UNIT
SPINDLE MOTOR UNIT
ACTUATOR
COIL
TRACKING
COIL
FOCUS
RI1
FI1
STB
ACT MUT
31
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FI3
FI4
FI2
RI3
LOGIC
CIRCUIT
PREDRIVER
RESET
H-BRIDGE
13
21
5
4
20
29
FO-
TRV-SW+
EC
PHS
HFG
SS
FO+
TRS+
TR-
TR+
TRS-
77
80
76
75
79
78
(TRAVERSE MOTOR DRIVE)
(DV2.1)
TRAVERS MOTOR
24
22
L
LASER DIODE
Q5202,Q5215
LD DRIVE
Q2501
SWITCHING
PHOTO DETECTOR
B3
B4
B2
B1
A3
A2
A4
A1
LASER DIODE
AMP
HEAD
Q5201,Q5211
LD DRIVE
134
133
132
131
138
137
136
135
127
124
123
126
125
110
111
VIN5
VIN6
VIN7
VIN8
VIN1
VIN2
VIN3
VIN4
DRV5
DRV2
DRV3
DRV4
DRV0
61
P7
DRV1
P10
DRV6
DRV8
FG
85
FAST SEAK H
P16
65
P6
VREFH
LPC01
LPC1
LPC02
LPC2
RFINN
RFINP
VIN5
VIN6
VIN7
VIN8
VIN1
VIN2
VIN3
VIN4
VREF
LPC01
LPC1
LPC02
LPC2
RF IN N
RF IN P
Summary of Contents for DVD-LS50EB
Page 10: ...3 PRECAUTION OF LASER DIODE TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 12: ...TOP PREVIOUS NEXT ...
Page 19: ...7 1 Disassembly TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 20: ...7 2 P C B location TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 25: ...TOP PREVIOUS NEXT ...
Page 29: ...TOP PREVIOUS NEXT ...
Page 38: ...TOP PREVIOUS NEXT ...
Page 43: ...TOP PREVIOUS NEXT ...
Page 46: ...TOP PREVIOUS NEXT ...
Page 48: ...7 16 Service position TOP PREVIOUS NEXT 7 16 1 Board checks TOP PREVIOUS NEXT ...
Page 50: ...TOP PREVIOUS NEXT ...
Page 61: ...TOP PREVIOUS NEXT ...
Page 76: ...10 4 1 2 Adjustment ...
Page 98: ...12 1 MAIN P C B TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 99: ...12 2 LCD DRIVE P C B TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 101: ...13 1 OVERALL BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 102: ...13 2 POWER SUPPLY BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 103: ...13 3 SERVO BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 104: ...13 4 AUDIO VIDEO BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 105: ...13 5 LCD BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 107: ...14 1 INTERCONNECTION SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 112: ...15 3 SERVO SECTION MAIN P C B 3 9 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 114: ...15 5 DV2 SECTION MAIN P C B 5 9 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 115: ...15 6 VIDEO OUT SECTION MAIN P C B 6 9 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 116: ...15 7 AUDIO OUT SECTION MAIN P C B 7 9 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 117: ...15 8 OPERATION SECTION MAIN P C B 8 9 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 118: ...15 9 LCD OUT SECTION MAIN P C B 9 9 SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 119: ...15 10 SW SECTION SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 120: ...15 11 LCD DRIVE SECTION SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 122: ...16 1 MAIN P C B 1 2 COMPONENT SIDE TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 123: ...16 2 MAIN P C B 2 2 FOIL SIDE TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 124: ...16 3 SW LCD DRIVE P C B 1 2 COMPONENT SIDE TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 125: ...16 4 SW LCD DRIVE P C B 2 2 FOIL SIDE TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 127: ...17 1 Casing Parts Mechanism Section Exploded View TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 128: ...17 2 Mechanism Section Exploded View TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 129: ...17 3 Packing Accessories Exploded View TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 155: ...19 Schematic Diagram for printing with A4 TOP PREVIOUS TOP PREVIOUS ...
Page 177: ...15 10 SW SECTION SCHEMATIC DIAGRAM DVD LS50EB EG GCS GK GN SW P C B SCHEMATIC DIAGRAM 58 ...
Page 178: ...15 10 SW SECTION SCHEMATIC DIAGRAM DVD LS50EB EG GCS GK GN SW P C B SCHEMATIC DIAGRAM 58 ...
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Page 200: ...DVD LS50EB EG GCS GK GN SW P C B SCHEMATIC DIAGRAM ...