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DVP-NS705V/NS755V/NS905V/NS915V
• Waveforms
1
IC403
tg
940 mVp-p (H)
4-17
4-18
MOTOR DRIVE
MB-105 (4/11)
MB-105 (MOTOR DRIVE) SCHEMATIC DIAGRAM
• See page 4-7 for printed wiring board.
– Ref. No.: MB-105 board; 2,000 series –
B+
B+
1.7
1.7
1.7
1.7
5.2
5.1
3.4
5.3
3.4
5.1
1.7
1.7
1.7
4.8
1.7
1.7
3.2
1.7
3.4
1.7
3.4
1.7
1.7
0
1.7
3.4
1.4
3.4
3.4
5.1
5.2
3.7
10.5
3.4
6.5
1.7
5.1
10.5
5.1
3.4
1.7
5.2
1.7
5.1
B+
B+
B+
B+
B+
B+
NO MARK:PB MODE
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
0.1u
C272
0.1u
C220
C215
100p
0.01u
C249
0.001u
C259
0.1u
C219
0.01u
C258
0.01u
C250
0.001u
C204
C216
220p
0.001u
C229
0.001u
C228
0.01u
C270
0.033u
C246
1500p
C218
0.015u
C214
220p
C226
0.033u
C240
4700p
C230
0.001u
C203
100p
C225
0.1u
C273
16V
47u
C271
10k
R229
10k
R259
120k
R218
10k
R214
150k
R220
0.5%
100k
R254
10k
R269
150k
R221
120k
R227
33k
R252
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
120k
R219
0.5%
56k
R253
33k
R241
56k
R223
220k
R242
330
R262
JL248
JL247
5P
CN201
1
2
3
4
5
100
R207
CL201
CL202
CL203
CL204
CL205
FCS+
FCS-
TRK+
TRK-
SLB-
SLB+
SLA-
SLA+
SPM-
SPM+
FAN8034
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
CKSW1
SPM-
LDM+
LDM+
OCSW1
SPM+
SLA-
SLB+
CKSW1
OCSW1
LDM-
SLB-
SLA+
FCS-
TRK+
TRK-
SLB+
SLB-
SPM-
SPM+
FCS+
FCS-
TRK+
TRK-
SLA+
SLA-
LDM-
FCS+
FWD
OUT5
DO5-
DO4+
REV
CTL
DO3-
IN5-
DO5+
DO6+
MUTE34
OCSW1
PVCC2
GND
LDM+
DO6-
LDM-
MUTE5
CKSW1
PGND2
MUTE12
SGND
DO4-
TSD-M
MB-105 BOARD
IN4+
IN5+
OUT3
OUT4
IN4-
IN3+
IN1-
IN2+
IN2-
OUT1
OUT2
IN3-
PGND1
PS
DO2-
DO1-
DO1+
PVCC1
OPIN2+
OPIN1-
VREF
OPIN1+
DO2+
IN1+
OPOUT2
OPIN2-
SVCC
OPOUT1
DO3+
CN001
MB-105 BOARD (4/11)
(SEE PAGE 4-6)
MS-81 BOARD
MB-105 BOARD
MB-105 BOARD
MB-105 BOARD
MB-105 BOARD
MB-105 BOARD
D
8
14
10
E
H
3
15
1
11
2
F
I
4
C
B
7
6
05
13
9
A
12
G
5
(6/11)
(2/11)
(1/11)
(6/11)
(5/11)
(2/11)
(2/11)
MB-105 BOARD
SLED SERVO DVD/CD
SIGNAL PATH
SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
FOCUS SERVO
LOADING
SPINDLE/SLED/
COIL DRIVE
FOCUS/TRACKING
IC202
MOTOR DRIVE
2
IC403
tj
: NS705V
660 mVp-p (H)
3
IC403
tl
: NS705V
660 mVp-p (H)
4
IC403
ya
: NS705V
660 mVp-p (H)
5
IC403
yd
810 mVp-p (H)
6
IC403
yg
1.1 Vp-p (H)