DVP-NS300
(CD play)
550 mVp-p
4-11
4-12
RF AMP, SERVO
MB-98 (1/8)
MB-98 (RF AMP, SERVO) SCHEMATIC DIAGRAM
• See page 4-7 for printed wiring board.
– Ref. No.: MB-98 board; 2,000 series –
• Waveforms
1
IC202
570 mVp-p
2
IC202
tl
(DVD play)
500 mV/DIV 50 ns/DIV
1.4 Vp-p
2
IC202
tl
(CD play)
500 mV/DIV 200 ns/DIV
1.4 Vp-p
3
IC202
rs
(DVD play)
100 mV/DIV 50 ms/DIV
180 mVp-p
3
IC202
rs
(CD play)
500 mV/DIV 50 ms/DIV
860 mVp-p
4
IC202
ra
(DVD play)
500 mV/DIV 50 ms/DIV
1.5 Vp-p
4
IC202
ra
(CD play)
500 mV/DIV 200 ms/DIV
1.7 Vp-p
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
B+
B+
B+
B+
NO MARK:DVD/CD PLAY
SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SLED SERVO DVD/CD
0
3.6
3.3
3.3
3.3
0
3.5
1.6
1.6
2.5
1.6
0
0.7
1.9
2.6
0
0.1
3.6
3.5
3.6
2.5
2.5
2.5
2.5
2.6
2.6
2.6
2.6
2.5
2.5
2.5
2.9
2.6
2.3
3.5
2.7
0
2.5
2.5
5
0.2
0.2
3.4
3.3
0.6
3.4
3.5
3.8
3.8
4.2
4.2
5 3
2.6
3.6
3.6
2.4
2.4
4
2.4
3.4
1
2
3
4
5
330
R201
2SB1132-T100-QR
Q201
16V
10u
C244
16V
10u
C209
6.3V
47u
C217
33
R207
33
R208
47k
R210
0.01u
C218
100
R211
0.1u
C232
0.01u
C227
12k
R237
150p
C240
0.01u
C226
100
R203
SP3728AC
IC202
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
47uH
L201
R238
2.2M
MIRR
SSDFCTI
TZC
PI
TE
FE
SSCK
SSWD
SSRD
SSCS
RF+
TRK-
TRK+
FCS-
FCS+
INLIM
SLB-
SLA+
SLB+
SLA-
SPM+
SPM-
JL201
JL202
+5V
GND
0.1u
C222
0.1u
C225
0.1u
C231
0.01u
C228
0.001u
C233
0.1u
C235
0.01u
C239
0.1u
C243
0.1u
C247
0.01u
C248
0.01u
C246
560p
C219
4700p
C216
4700p
C215
0.047u
C236
0.047u
C238
0.01u
C234
2200p
C206
2200p
C205
2200p
C208
2200p
C207
+3.3V
100
R202
RFMON
R209
820
SS_MON
0.01u
C202
0.01u
C201
JL203
JL204
JL205
JL206
JL207
JL210
JL208
JL209
JL211
JL212
150
R245
XLDON
JL214
JL217
JL213
JL216
JL215
JL221
JL220
JL222
JL219
JL218
JL223
JL224
JL225
JL226
JL227
JL228
9P
CN202
1
2
3
4
5
6
7
8
9
JL229
SVC
22k
R204
0
R213
0
R214
0
R218
0
R217
22
R224
JL230
FL201
100k
R205
27k
R206
CN201
26P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
3300
R246
M
1
A
TRK-
TRK+
FCS-
FCS+
SLB+
SLA-
SLB-
SLA+
SPM-
SPM+
SSCS
SSCK
SSWD
SSRD
FE
TE
PI
SSDFCTI
E
F
FCS+
FCS-
TRK+
TRK-
SSCS
SSRD
SSWD
SSCK
FE
TE
PI
H
G
B
A
C
D
H
F
G
E
SSDFCTI
TZC
MIRR
SLB+
SLA-
SLB-
SLA+
SPM-
SPM+
INLIM
MIRR
TZC
INLIM
D
C
B
A
RFIP
RFIN
CP
WIN
WPP
CN
A2
B2
C2
D2
D
C
B
A
E
F
G
H
VC
VPB
DVDPD
CDPD
VNB
LDSELO
LDON
LD
CDLD
MEVO
MIN
MP
MB
MLPF
SDEN
SCLK
SWD
SRD
MON
TPH
FE
TE
TZIN
VCI
DFT
TZC
PI
PII
BYP2
MIRR
A
TOP
A
TON
AIN
AIP
VP
A
SIGO
BYP
DIN
DIP
FNP
FNN
VNA
MEV
TP
A
RX
V33
H
B
A
F
RF
GND
VC
VCC
G
C
D
E
GND
PD
VR
MOD
N.C
LD GND
LD
N.C
N.C
N.C
FCS+
FCS-
TRK+
TRK-
SLB-
INLIM
GND
SPM-
SPM+
LED
SLA+
SLB+
SLA-
TRACKING
DVD/CD
KHM-250AAA/J1NP
OPTICAL
DVD/CD
PD IC
SLED
COIL
BASE UNIT
DEVICE
MOTOR
LD MODULE
COIL
FOCUS
FOCUS SERVO
PB
Y/CHROMA
VIDEO SIGNAL
SIGNAL PATH
AUDIO
SIGNAL
13
2
4
F
12
5
G
11
8
7
6
E
B
MB-98 BOARD (1/8)
9
3
D
C
10
14
MB-98 BOARD
(7/8)
MB-98 BOARD
(2/8)
(5/8)
MB-98 BOARD
MB-98 BOARD
(2/8)
(6/8)
MB-98 BOARD
DVD/CD RF AMP,
IC202
DIGITAL SERVO
LD DRIVE
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299