Rf/Servo Block Diagram - Sony DVP-CX875P Service Manual

DVP-CX875P

3-2. RF/SERVO BLOCK DIAGRAM

BASE UNIT
TK-63 BOARD
KHM-270AAA/SERVICE ASSY
(SEE PAGE 4-8)
OPTICAL DEVICE
CN001
RF
22
24
A – D 25
17
16
DVD/CD
PD IC
15
E – H
23
18
26
VC
20
PD
13
DVD/CD DVD LD
8
LD MODULE
CD LD
6
VR
12
FCS±
FOCUS 4
COIL
3
TRACKING TRK±
2
COIL 1
CN003
INLIM
INLIMIT
3
SW
SPM±
SPINDLE 1
M M
MOTOR 2
9
SLA±, SLB±
SLED M M
ı
MOTOR
6
IC201 2 (DVD play) IC201 2 (CD play)
200 mV/DIV 200 ns/DIV
200 mV/DIV 50 ns/DIV
570 mVp-p 550 mVp-p
MB-107 BOARD (1/6)
(SEE PAGE 4-13, 15, 19)
CN002 CN203
RF
5 22 2
3 24
14
2 A – D 25
ı
10 17
11
11 16
7
ı
10
12 15
15
E – H
4 23
ı
9 18
18
1 26
VC
7 20 19
PD 21
14 13
22
DVD LD Q201
25
19 8
DVD LD DRIVE
CD LD
Q202
26
21 6
CD LD DRIVE
VR
15 12
+3.3V
42
FCS±
23 4 37
24 3 36
TRK± 35
25 2
26 1 34
CN004 CN204
INLIM
47
3 7
46
SPM±
1 9 27
28
2 8
9 1 32
SLA±, SLB±
ı ı ı
6 4 29
25
NAND FLASH/
LDM+
300 CHG MECHA 24
CONTROL
LDM–
(SEE PAGE 3-13)
05
3-3
IC201 tl (DVD play) IC201 tl (CD play)
IC201 rs (DVD play)
500 mV/DIV 50 ns/DIV 500 mV/DIV 200 ns/DIV
100 mV/DIV 50 ms/DIV
1.4 Vp-p 1.4 Vp-p
IC201 ra (DVD play)
500 mV/DIV 50 ms/DIV
IC201
DVD/CD RF AMP,
DIGITAL ERROR PROCESS
RF IN SIGO 59
A – D
FE
FE 42
TE
A2 – D2 TE 41
PI
PI 36
MIRR 33
E – H
TZC 37
VC
SRD
45
SWD
ı
DVDPD SCLK
48
SDEN
CDPD
SSDFCTI
DFT 38
SS MON
MON 44
DVD LD
VCI 39
CD LD
27
LDON
IC202
40
VREF 43
FOCUS
48 FDRV±
COIL
1
DRIVE
19
TRACKING
3 TDRV±
COIL
4
DRIVE
SLE
5
SPFG
45
PS 39
SPINDLE
MDSO, MDPO
MOTOR 13
DRIVE
SPMUTE
21
SLED
SLDA, SLDB
7
MOTOR
10
DRIVE
20
TSD
TSD-M 22
LOADING
LMP, LMM
16
MOTOR
17
DRIVE
LMCTL
15
IC201 rs (CD play)
500 mV/DIV 50 ms/DIV
180 mVp-p
860 mVp-p
IC201 ra (CD play)
500 mV/DIV 200 ms/DIV
1.5 Vp-p
1.7 Vp-p
125 ADC1
124 ADC0
IC301 <zxb (DVD play)
126 ADC2
100 mV/DIV 50 ms/DIV
148 MIRR
152 TZC
GIO6/SDI
159
161 GIO7/SDO
IC301 <zxv (DVD play)
GIO8/SCK
162
500 mV/DIV 50 ms/DIV
GIO13
167
147 DFCTI
131 ADC7
129
ADC5, 6
130
IC301
(1/2)
SERVO DSP
153 GIO0/INT2
20
PDM 2, 3
22 HINT 11
HCS 12
XRESET 61
15
PDM 0, 1
17
127 ADC3
128 ADC4
154 155 146
32 33 143 144 163 164
3-4
SIGNAL PROCESSOR
SIGO
(SEE PAGE 3-5)
IC301 <zxb (CD play)
500 mV/DIV 50 ms/DIV
160 mVp-p 860 mVp-p
IC301 <zxv (CD play)
500 mV/DIV 200 mV/DIV
1.4 Vp-p 1.7 Vp-p
XSDPIT
XSDPCS
XRST
SYSTEM CONTROL
(SEE PAGE 3-7)
XDRVMUTE
XLDON