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14.3. DVD Servo Block Diagram
OPTICAL PICK UP UNIT
VIN6
PHOTO DETECTOR
VIN5
VIN1
B1
B2
A1
A2
HEAD
VIN2
A4
A3
AMP
B4
B3
VIN3
VIN4
LASER DIODE
Q5201
LD DRIVE
IC6301
(EEPROM)
D
5
C
6
O
2
IC6201
(CPU)
SEN
55
SCK
70
STD1
72
STNBY
52
60
50
76
71
IC7001
(ODC)
115
114
113
112
IC5202
IC2001
(FEP)
(DSC)
ROTN
91
47
43
RDTP
92
48
42
RDCKN
94
49
41
RDCKP
95
50
40
96
TE
97
28
91
TRACKING
BALANCE
TBAL
9
20
3
FE
13
93
FOCUS
4
BALANCE
FBAL
12
98
LDONB
1
3
AMP
LDONA
2
2
JIT OUT
64
81
BDO
65
44
OF TR
66
107
INTERFACE
19
20
21
22
23
128
CPSEN
33
CPCEN
34
CPUIRQ
35
SBT1
36
SBO1
37
SB11
38
DAT0
60
DAT1
61
DAT2
62
DAT3
63
RF SIGNAL
SPINDLE MOTOR DRIVE SIGNAL
IC2511
(MOTOR DRIVE)
TRSDRV-A
104
26
OPIN4-
TRSDRV-B
OPIN3-
105
23
TRACKING DRIVE
102
3
OPIN1-
FOCUS DRIVE
103
6
OPIN2-
TRV-SW
11
IC2501
(SPINDLE MOTOR DRIVE)
ECR
121
10
ECR
EC
120
11
EC
FG
111
16
FG
QR2501
FGC
1
3
4
15
FGC
AMP
SS
14
1
5
9
SS
QR2503
BRK
16
AMP
12
BRK
QR2502
TRAY SET1
7
3
4
19
RIN
TRAY SET2
AMP
8
1
5
18
FIN
TRAY OPEN
13
TRAY CLOSE
12
55
STEPPING MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
STEPPING MOTOR UNIT
STEPPING MOTOR
VD3-
18
VD3+
17
VD4-
16
VD4+
15
OPTICAL PICK UP UNIT
ACTUATOR
FOCUS
COIL
ACT F+
VD1+
14
ACT F-
VD1-
13
TRACKING
COIL
ACT T+
VD2+
12
ACT T-
VD2-
11
SPINDLE MOTOR UNIT
TRAVERSE SWITCH
TRV-SW
H3-
H3-
7
HALL3
H3+
H3+
6
H2-
H2-
5
HALL2
H2+
H2+
4
H1-
H1-
3
HALL1
H1+
H1+
2
M1
A1
28
M2
A2
26
M3
A3
23
LOADING MOTOR UNIT
M2601
LOAD M+
M
LOADING
OUT1
27
MOTOR
LOAD M-
OUT2
25
S2601
TRAY OPEN
TRAY CLOSE
TC-15DT2
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