Rf/Servo Block Diagram - Sony DVP-NS400D Service Manual

DVP-NS400D
Q Q

3-2. RF/SERVO BLOCK DIAGRAM

3 7 6 3 1 5 1 5 0
IC202 2 (DVD play)
200 mV/DIV 50 ns/DIV
570 mVp-p
BASE UNIT
KHM-240AAA/J1NP MB-98 BOARD (1/4)
(SEE PAGE 4-11, 13, 19)
OPTICAL DEVICE
CN201
RF
22
24
A – D
25
17
16
DVD/CD
PD IC
15
E – H
23
18
26
VC
20
PD
13
SW
10
DVD LD
DVD/CD
8
LD MODULE
CD LD
6
VR
12
T E
L 1 3 9 4 2 2 9 6 5 1 3
FOCUS FCS±
4
COIL
3
TRACKING TRK± 2
COIL 1
CN202
INLIMIT INLIM
7
SENSOR
SPM±
SPINDLE 9
M M
MOTOR 8
1
SLA±, SLB±
SLED
M M
ı
MOTOR
4
MS-81 BOARD
(SEE PAGE 4-5)
w w w
CN001 CN402
M001
1 LDM± 5
M M
LOADING
2 4
MOTOR
S001
CKSW1
CHUCK/TRAY 4 2
OCSW1
DETECT
5 1
05
IC202 tl (DVD play)
IC202 2 (CD play)
500 mV/DIV 50 ns/DIV
200 mV/DIV 200 ns/DIV
550 mVp-p 1.4 Vp-p
IC202
DVD/CD RF AMP,
DIGITAL SERVO
2 RF IN SIGO 59
14
ı A – D
11
FE 42
7
ı A2 – D2 TE 41
10
PI 36
15
ı MIRR 33
E – H
18
TZC 37
19 VC
SRD
45
SWD
ı
21 DVDPD SCLK
48
SDEN
22
CDPD
24 LEDSEL0 DFT 38
MON 44
Q201
25 DVDLD
DVD LD DRIVE
VCI 39
Q202
27
26 CDLD LDON
CD LD DRIVE
+3.3V
IC401
42 40
VREF 43
FOCUS
37 48
COIL
36 1
DRIVE
19
TRACKING
35 3
COIL
34 4
DRIVE
5
47
45
46
PS 39
SPINDLE
27
MOTOR 13
28
DRIVE
21
SLED
32
7
ı MOTOR
10
29
DRIVE
20
22
TSD-M
LOADING
25
16
x a o
MOTOR
24 y
17
DRIVE
. i
15
3-3
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IC202 tl (CD play)
IC202 rs (DVD play) IC202 rs (CD play)
500 mV/DIV 200 ns/DIV
100 mV/DIV 50 ms/DIV 500 mV/DIV 50 ms/DIV
1.4 Vp-p 180 mVp-p 860 mVp-p
IC202 ra (DVD play) IC202 ra (CD play)
500 mV/DIV 50 ms/DIV 500 mV/DIV 200 ms/DIV
1.5 Vp-p 1.7 Vp-p
FE
136 ADC1
TE
135 ADC0
PI
137 ADC2
197 MIRR
196 TZC
GIO6/SDI
173
GIO7/SDO
ı
GIO8/SCK
175
GIO13
180
SSDFCTI
185 DFCTI
SS MON
144 ADC7
172 GIO5/PGIN
142
ADC5, 6
143
Q Q
3 7 6
166 GIO0/INT2
FDRV±
204
POM 2, 3
205
TDRV± 202
POM 0, 1
203
SLE
139 ADC3
SPFG
140 ADC4
159 161
MDSO, MDPO
SPMUTE
SLDA, SLDB
TSD
LMP, LMM
u 1 6 3
LMCTL
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2 4
8 9 9
IC302 <zcn (DVD play)
100 mV/DIV 50 ms/DIV
160 mVp-p
IC302 <zcb (DVD play)
500 mV/DIV 50 ms/DIV
1.4 Vp-p
IC302
(1/2)
SERVO DSP
3 1 5 1 5 0 8 9 2
HINT 22
HCS 24
XDSPRST 156
167 198 199 168 176 177 200
m
c o
.
3-4
2
8 9 9
SIGNAL PROCESSOR
RF+
(SEE PAGE 3-5)
IC302 <zcn (CD play)
500 mV/DIV 50 ms/DIV
860 mVp-p
IC302 <zcb (CD play)
500 mV/DIV 200 mV/DIV
1.7 Vp-p
4 9 8 2 9 9
XSDPIT
XSDPCS
XRST
SYSTEM CONTROL
(SEE PAGE 3-7)
XDRVMUTE
XLDON
CKSW1
OCSW1