DV
-303/DVF-5020/K5020
14
(0.5sec./DIV.)
CLOSE 2.5Vp-p
IC2501-25(UP),IC2501-27(DOWN)
5.0Vp-p(20usec./div.)
IC2501-24
7.2Vp-p(20usec./div.)
IC2511-11,12,13,14
(0.5sec./DIV.)
OPEN 2.5Vp-p
IC2501-25(UP),IC2501-27(DOWN)
RF SIGNAL
SPINDLE MOTOR DRIVE SIGNAL
STEPPING MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
BRK
FIN
RIN
SS
FGC
FG
EC
ECR
OPIN2-
OPIN1-
OPIN3-
OPIN4-
TRAY CLOSE
TRAY OPEN
BRK
TRAY SET2
TRAY SET1
SS
FGC
FG
EC
ECR
TRV-SW
FOCUS DRIVE
TRAKING DRIVE
TRSDRV-B
TRSDRV-A
X TRON
OFTR
BDO
JIT OUT
LDONA
LDONB
FBAL
FE
TBAL
TE
RDCKP
RDCKN
RDTP
RDTN
VIN4
VIN3
VIN2
VIN1
VIN5
VIN6
STNBY
STD1
SCK
SEN
DAT3
DAT2
DAT1
DAT0
SBI1
SBO1
SBT1
CPUIRQ
CPCEN
CPSEN
OUT2
OUT1
A3
A2
A1
H1+
H1-
H2+
H2-
H3+
H3-
VO2-
VO2+
VO1-
VO1+
VO4+
VO4-
VO3+
VO3-
Q
C
D
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B3
B4
B2
B1
A3
A2
A4
A1
LASER DIODE
AMP
HEAD
Q5201
LD DRIVE
4
3
IC6303
(EEPROM)
AMP
115
114
113
112
71
76
50
60
52
72
70
55
2
6
5
IC6201
(CPU)
IC7001
(ODC)
INTERFACE
BALANCE
FOCUS
BALANCE
TRACKING
22
21
20
19
97
96
95
94
92
91
2
3
2
1
9
23
66
65
64
12
13
28
50
49
48
47
(FEP)
IC5202
61
63
62
60
38
37
36
35
34
33
128
107
44
81
98
93
20
91
43
42
41
40
1
7
8
13
12
16
14
111
120
121
11
103
102
105
104
23
26
9
2
3
4
5
6
7
16
11
10
15
12
19
18
25
27
23
26
28
11
12
13
14
15
16
17
18
6
3
(DSC)
IC2001
QR2502
5
4
1
3
AMP
QR2503
QR2501
AMP
5
4
1
3
AMP
(MOTOR DRIVE)
(SPINDLE MOTOR DRIVE)
IC2501
IC2511
M2601
LOAD M-
LOAD M+
MOTOR
LOADING
S2601
TRAY OPEN
TRAY CLOSE
M3
M2
M1
H1-
HALL1
H1+
H2-
H2+
HALL2
H3+
H3-
TRV-SW
HALL3
TRAVERSE SWITCH
ACT T-
ACT T+
ACT F-
ACT F+
STEPPING MOTOR UNIT
STEPPING MOTOR
LOADING MOTOR UNIT
SPINDLE MOTOR UNIT
OPTICAL PICK UP UNIT
ACTUATOR
COIL
TRACKING
COIL
FOCUS
SER
VO BLOCK DIAGRAM
DV-303/DVF-5020(k)
COVER1,1P(
99.11.2
10:41
AM
y[W
14
www . x ia o y u 1 6 3 . c o m
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299