Rf/Servo Block Diagram - Sony DVP-LS500 Service Manual

DVP-LS500

3-2. RF/SERVO BLOCK DIAGRAM

IC201 1 (DVD play) IC201 1 (CD play)
500 mV/DIV 100 ns/DIV 200 mV/DIV 500 ns/DIV
1.1 Vp-p 680 mVp-p
BASE UNIT
MB-108 BOARD (1/4)
KHM-290AAA/SERVICE ASSY
(SEE PAGE 4-9, 11, 13, 24)
OPTICAL DEVICE
CN203
RF
8
12
A – D 9
10
11
DVD/CD
PD IC
17
E, F
13
VC 15
7
PD
26
DVD LD Q201
DVD/CD
21
DVD LD DRIVE
LD MODULE
CD LD
Q202
19
CD LD DRIVE
VR
25
FCS±
FOCUS 4
·
COIL
3
TRACKING TRK± 2
·
COIL
1
CN204
INLIM
INLIMIT
7
SENSOR
SPINDLE SPM± 9
M M
·
MOTOR
8
1
SLA±, SLB±
SLED M M
MOTOR
4
MS-128 BOARD
(SEE PAGE 4-24)
CN001 CN201
M001
LDM±
1 5
M M
LOADING · ·
2 4
MOTOR
S001
CKSW1
CHUCK/TRAY 4 2
OCSW1
DETECT
5 1
05
IC201 tl (DVD play) IC201 tl (CD play)
500 mV/DIV 100 ns/DIV 500 mV/DIV 200 ns/DIV
1.4 Vp-p 1.4 Vp-p
IC201
DVD/CD RF AMP,
SERVO ERROR PROCESS
1 RF IP SIGO 59
14
ı A – D
11
FE
FE 42
7
TE
ı
A2 – D2 TE 41
PI
10
PI 36
16
MIRR 33
E , F
15
TZC 37
19 VC
SRD
45
SWD
ı
ı
SCLK
48
22
PD
SDEN
SSDFCTI
DFT 38
SS MON
MON 44
25 DVD LD
VCI 39
26 CD LD 27
LDONB
+3.3V
IC202
42 40
VREF 43
FOCUS
37 48 FDRV±
COIL
36 1
DRIVE
19
TRACKING
35 3 TDRV±
COIL
34 4
DRIVE
SLE
5
47 SPFG
45
46
PS 39
SPINDLE
MDSO, MDPO
27
13
MOTOR
28
DRIVE
SPMUTE
21
SLED
32
SLDA, SLDB
7
ı
MOTOR
10
29
DRIVE
20
TSD
TSD-M 22
LOADING
25 LMP, LMM
16
MOTOR
24 17
DRIVE
LMCTL
15
3-3
IC201 rs (DVD play) IC201 rs (CD play)
100 mV/DIV 50 ms/DIV 50 mV/DIV 50 ms/DIV
160 mVp-p 150 mVp-p
IC201 ra (DVD play) IC201 ra (CD play)
500 mV/DIV 50 ms/DIV 500 mV/DIV 200 ms/DIV
1.7 Vp-p
1.7 Vp-p
125 ADC1
IC301 <zxb (DVD play)
124 ADC0
50 mV/DIV 50 ms/DIV
126 ADC2
148 MIRR
152 TZC
159 GIO6/SDI
GIO7/SDO
161
IC301 <zxv (DVD play)
162 GIO8/SCK
500 mV/DIV 50 ms/DIV
167 GIO13
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
32 33 154 143 144 155 163 164 146
SIGNAL PROCESSOR
RF+
(SEE PAGE 3-5)
IC301 <zxb (CD play)
100 mV/DIV 50 ms/DIV
190 mVp-p 320 mVp-p
IC301 <zxv (CD play)
500 mV/DIV 200 mV/DIV
1.5Vp-p 1.7 Vp-p
XSDPIT
XSDPCS
XRST
SYSTEM CONTROL
(SEE PAGE 3-7)
XDRVMUTE
XLDON
CKSW1
OCSW1
3-4