DVP-LS500
3
IC201
rs
(CD play)
50 mV/DIV 50 ms/DIV
150 mVp-p
3
IC201
rs
(DVD play)
100 mV/DIV 50 ms/DIV
160 mVp-p
1
IC201
1
(CD play)
200 mV/DIV 500 ns/DIV
680 mVp-p
4-9
4-10
RF AMP, SERVO
MB-108 (1/7)
MB-108 (RF AMP, SERVO) SCHEMATIC DIAGRAM
• See page 4-5 for printed wiring board.
– Ref. No.: MB-108 board; 2,000 series –
• Waveforms
1
IC201
1
(DVD play)
500 mV/DIV 100 ns/DIV
1.1 Vp-p
2
IC201
tl
(DVD play)
500 mV/DIV 100 ns/DIV
1.4 Vp-p
2
IC201
tl
(CD play)
500 mV/DIV 200 ns/DIV
1.4 Vp-p
4
IC201
ra
(DVD play)
500 mV/DIV 50 ms/DIV
1.7 Vp-p
4
IC201
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.
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
C:CD PLAY
D:DVD PLAY
NO MARK:DVD/CD PLAY
3.3
3.2
3.2
3.3
2.5
2.5
2.5
2.6
2.6
2.6
2.7
2.7
2.6
2.5
0
0
0.2
0
4.7
D4.4/C0
3.1
0.2
0
2.5
2.2
2
0
3.5
3.5
0.1
3.5
3.5
1.7
1.8
2.5
0.1
1.7
D3.4/C2.6
0.1
2.4
2.5
0.1
3.5
3.2
0.6
3.5
3.4
3.4
4
4
4.7
2.2
3.3
2.7
2.1
2.2
3.2
D3.2/C4.7
D4.7/C2.9
D3.9/C4.7
D3.2/C4.7
D2.7/C0.2
D4.7/C3.6
D4.7/C2.9
D0.1/C2.5
1
2
3
4
XLDON
TE
SSDFCTI
SSWD
SSRD
SSCK
RF+
SSCS
+3.3V
RFMON
MIRR
GND
TZC
SS_MON
FE
+5V
PI
INTR
SIGDET
47uH
L201
47uH
L202
0.1u
C262
2200p
C212
0.01u
C243
XX
C267
330p
C261
2200p
C211
0.01u
C260
0.1u
C241
0.1u
C233
0.1u
C244
0.001u
C253
0.1u
C248
0.1u
C265
2200p
C213
0.01u
C201
0.047u
C256
0.01u
C235
0.1u
C266
220p
C236
0.1u
C251
XX
C239
0.01u
C202
0.047u
C257
0.1u
C232
2200p
C210
0.01u
C247
0.1u
C252
XX
C269
0.01u
C245
0.1u
C255
4700p
C254
0.47u
C264
XX
C224
6.3V
47u
C242
16V
10u
C238
16V
10u
C221
6.3V
47u
C234
16V
10u
C263
4700
R206
XX
R209
33
R249
100
R211
XX
R247
100
R235
47k
R251
100
R246
33
R248
XX
R268
R263
2.2M
100
R256
100
R212
XX
R267
R264
100k
R265
27k
47k
R245
330
R210
12k
R260
0.5%
33
R234
0.5%
33
R236
0
R273
XX
R266
R281
0
0
R282
R283
XX
R284
10k
JL201
CL206
CL207
CL209
CL208
CL210
CL211
CL212
CL213
JL210
JL211
CL215
CL214
JL249
JL250
CN203
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
CN202
5P
1
2
3
4
5
1k
R244
XX
R272
2SB1132-T100-QR
Q202
2SB1132-T100-QR
Q201
CN204
9P
1
2
3
4
5
6
7
8
9
XX
D201
XX
D202
FL201
XX
C237
SP3726A
IC201
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
TRK+
TRK-
SLB+
SLA-
SLB-
SLA+
SPM-
SPM+
INLIM
SVC
M
M
FSC-
FSC+
SSCS
INLIM
SSDFCTI
SSWD
E
SSDFCTI
FE
SLB+
FCS+
SLA-
TRK+
FCS-
SSCS
SSCK
MIRR
SPM+
SPM-
TRK-
F
SLA+
FE
PI
SLB-
TE
FE
SSCK
SSWD
SSRD
PI
TZC
SSRD
TE
E
F
A
C
B
D
DVD_LD
CD_LD
DVD_LD
CD_LD
A
B
C
D
TE
TRK+
TRK-
SLB+
SPM+
SPM-
SLA+
SLB-
SLA-
TZC
INLIM
MIRR
FSC-
FSC+
PD
V.C
PGSEL0
RFIN
MEVO
CDLD
MIRR
VP
A
RF
GND
TZIN
F
LIMIT Sw B
VC
MB
SLB+
MEV
AIP
RFIP
DIP
FE
VCC
LDONB
TP
A
A
TON
BYP2
CD_LD
B
SW
LIMIT Sw B
A
SLB-
C2
FE
MIN
SIGDET B
MON
RF
AIN
SLA-
LDSELO
TE
D
SRD
E
SCLK
GND
PI
RX
PII
BYP
N.C
DVD_LD
N.C
FCS+
GAIN_SWITCH
E
INTR
D2
WIN
SWD
C
TZC
B2
VC
VR
MLPF
FNP
PD
TRK-
VNA
FCS-
A
TRK+
CN
C
WPP
SLA+
N.C
B
LIMIT Sw A
VPB
CP
VNB
DFT
TPH
SDEN
PI
DVDLD
VCI
SIGO
MP
V33
A
TOP
DIN
FNN
N.C
GND
TE
D
SPM+
F
A2
SPM-
IC201
DVD/CD RF AMP,
SERVO ERROR PROCESS
CD LD DRIVE
DVD LD DRIVE
PD IC
DVD/CD
SLED
SPINDLE
DVD/CD
COIL
INLIMIT
FOCUS
KHM-290AAA/
COIL
SERVICE ASSY
SW
OPTICAL
LD MODULE
MOTOR
TRACKING
BASE UNIT
DEVICE
MOTOR
(JIG)
MB-108 BOARD
(6/7)
MB-108 BOARD (2/7)
(2/7)
MB-108 BOARD
MB-108 BOARD (2/7)
MB-108 BOARD
(4/7)
MB-108 BOARD (5/7)
B
10
3
1
J
12
14
6
K
5
8
9
A
7
H
D
4
2
I
13
G
05
E
16
C
15
11
F
MB-108 BOARD (1/7)
XX MARK:NO MOUNT
SIGNAL
SIGNAL PATH
AUDIO
VIDEO SIGNAL
PB
Y/CHROMA
SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SLED SERVO DVD/CD
FOCUS SERVO
RF