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DVP-LS500
4-15
4-16
MOTOR DRIVE
MB-108 (4/7)
MB-108 (MOTOR DRIVE) SCHEMATIC DIAGRAM
• See page 4-5 for printed wiring board.
– Ref. No.: MB-108 board; 2,000 series –
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
D3.5/C3.2
D3.5/C3.2
D3.3/C4.2
D6.7/C5.9
D3.5/C2.7
D1.3/C1.5
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
0
3.5
3.5
3.5
3.5
3.5
3.5
5
10.3
5
5
5
5
5
5
5
5
5
10.3
3.5
1.7
1.7
4.7
1.7
C:CD PLAY
D:DVD PLAY
NO MARK:DVD/CD PLAY
1.7
GND
MDSO
CKSW1
FDRV+
+11V
SPMUTE
M_GND
TDRV+
XDRVMUTE
+3.3V
+5V
TDRV-
SPFG
FDRV-
SLE
LMM
TSD
SLDA
LMP
SVC
OCSW1
LMCTL
SLDB
MDPO
XX
C208
0.1u
C272
0.1u
C220
C215
100p
0.01u
C249
C259
0.001u
0.1u
C219
0.01u
C258
0.01u
C250
0.001u
C204
C216
220p
XX
C268
XX
C227
XX
C217
0.001u
C229
XX
C207
0.001u
C228
0.01u
C270
0.033u
C246
XX
C205
C206
XX
1500p
C218
0.015u
C214
220p
C226
0.033u
C240
4700p
C230
XX
C209
0.001u
C203
100p
C225
0.1u
C273
XX
C223
XX
C274
XX
C231
XX
C222
16V
47u
C271
10k
R229
10k
R259
XX
R228
120k
R218
10k
R214
150k
R220
0.5%
100k
R254
10k
R269
150k
R221
120k
R227
33k
R252
XX
R215
0.5%
56k
R255
10k
R225
1k
R216
470k
R233
680k
R231
33k
R230
10k
R261
0.5%
100k
R250
33k
R240
33k
R232
10k
R213
470k
R243
56k
R222
1k
R217
470k
R226
270k
R224
33k
R239
33k
R238
XX
R237
120k
R219
0.5%
56k
R253
33k
R241
56k
R223
220k
R242
330
R262
XX
R271
XX
R274
XX
R257
XX
R276
XX
R275
XX
R258
JL248
JL247
FAN8034L
IC202
1
2
3
4
5
6
14
15
16
17
18
19
20
21
22
23
24
27
28
29
30
31
32
33
34
35
36
40
41
42
43
44
45
46
47
48
50
51
52
49
13
25
26
37
38
39
11
12
9
10
7
8
XX
R208
100
R207
CL201
CL202
CL203
CL204
CL205
CN201
5P
OCSW1
1
CKSW1
2
GND
3
LDM-
4
LDM+
5
GND
6
OCSW2
7
TSENS
8
TMP
9
DSENS
10
TMM
11
FSC+
FSC-
TRK+
TRK-
SPM-
SPM+
SLB-
SLA+
INLIM
SLA-
SLB+
CKSW1
LDM+
LDM+
OCSW1
SPM+
SLB+
CKSW1
LDM-
OCSW1
LDM-
SLB-
SLA+
FCS+
FCS-
TRK+
TRK-
FCS+
FCS-
TRK+
TRK-
INL_IM
SPM-
SLB-
SPM+
SLB+
SLA-
SLA+
SLA-
SPM-
(6/7)
MB-108 BOARD
(2/7)
MB-108 BOARD
(1/7)
MB-108 BOARD
(1/7)
MB-108 BOARD
(2/7)
MB-108 BOARD
MB-108 BOARD (5/7)
MB-108 BOARD
(5/7)
MB-108 BOARD
(6/7)
MB-108 BOARD (4/7)
XX MARK:NO MOUNT
B
10
3
1
J
12
14
6
5
8
9
A
7
H
D
4
2
I
13
G
05
E
16
C
15
11
F
CN001
(SEE PAGE 4-24)
MS-128 BOARD
FOCUS SERVO
SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SIGNAL PATH
SLED SERVO DVD/CD
OUT2
IN2-
IN2+
OUT1
D01+
IN1-
SVCC
IN1+
OPIN1-
PS
VREF
OPIN2+
PVCC1
OPOUT2
OPIN1+
D02+
D02-
PGND1
REV
MUTE5
PVCC2
MUTE12
IN4+
SGND
D04-
OUT5
CTL
FWD
1IN5-
OUT4
IN4-
OPIN2-
MOTOR DRIVE
TSD-M
D06-
MUTE34
IN5+
D01-
D03+
D05+
PGND2
D04+
D03-
D05-
D06+
LOADING
COIL DRIVE,
IC202
FOCUS/TRACKING
OUT3
IN3-
IN3+
MB-108 BOARD (2/7)
MB-108 BOARD (1/7,2/7)
MB-108 BOARD
(1/7,2/7)
SPINDLE/SLED/
• Waveforms
1
IC403
tg
1 Vp-p (H)
2
IC403
tj
700 mVp-p (H)
3
IC403
tl
700 mVp-p (H)
4
IC403
ya
700 mVp-p (H)
5
IC403
yd
800 mVp-p (H)
6
IC403
yg
1.2 Vp-p (H)