Sony HCD-XGV50, Service Manual

Page: 24 / 80

HCD-XGV50
24 24
7-2. BLOCK DIAGRAMS
– CD SERVO SECTION –
VO1-
VO1+
4 3
11
10
1
27
26
32
31
35
34
1
2
5
10
E
B
C
D
A
PD1
PD2
I1-6
I5-10
LD
PD
+4.5V
F
A
VCC
VCC
VCC
VCC
B
C
D
RF
SUMMING
AMP
∑ A-D
FOCUS
ERROR AMP
RF EQ
AMP
DC
AMP
VDC
BUFFER
TRACKING
ERROR AMP
RFAC AC_SUM
EQ_IN
RFDCO
RFDCI
FE
FEI
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
VDC
E
F
F I-V AMP
E I-V AMP
LD
DRIVE
Q101
APC LD
AMP
APC PD
AMP
LD
LD PD
LASER DIODE
IN3+
IN4
VREF
IN3-
VO3+
VO3-
IN2+ T+
T-
F+
F-
IN2-
IN1+
IN1-
8 STBY
DATA DECODERR,
D/A CONVERTOR
IC506
VIDEO AMP
IC307
LPF
IC102
D/A
CONVERTOR
IC504
SDRAM
IC507
ROM
IC508
VO4+
VO4-
M101
SPINDLE
MOTOR
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
VO2-
VO2+
COIL
DRIVE
M
M
M102
SLED
MOTOR
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
TRACKING
COIL
S101
(LIMIT)
ON: when the optical pick-up
is inner position.
FOCUS
COIL
OPTICAL PICK-UP BLOCK
(A-MAX.3)
SW
PD
TE LD-ON FE RFDC
I-V AMP
56
55
47
52
Q102
RFC
DI
CLK
GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5
WE
CAS
RAS
BA0 CLK
LDQM
UDQM SI
SO
SCK SRQ SOK SCS RST
SYS RST
NVOEL
Y
CPSIG
AUDXCLKO
MCLK
LAT
CLK
BLK
LRCK
LOUT CD-L
R-ch
VCD-VIDEO
VCC
A+5V
(SW)
VDD
ROUT
DATA
DATA
AUDDTO0
AUDLRCK
AUDBCK
GPIO11
DRDQM1
DRDQM0
DRCK
DRBS
DRRAS
DRCAS
DRWEL
8-15
0-7
0-15
RST
RST
DATA CLK
GPIO14
SSTP
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
VC
CE
DE
SE
TE
FE
RFDC
RFAC
XTSL
MDP
GPIO9
XTAO
XTAI
CLKB
CLKA
GPIO13
GPIO12
LD
X501
33.8688MHz
X502
27MHz
A0-A9
DRDAT0
I
DRDAT15
DRADR0
I
DRADR10
DQ0-DQ15
A0-A16 DQ0-DQ7
CONTROL
I/F
STB
IN
OUT
+4.5V
(IC103)
+2.5V
D+5V
(SW)
+3.3V
+3.3V
REG
Q581
SQ-DATA
SQ-CLK
V-MUTE
CD-DATA XLT CD-CLK SCOR HOLD XRST
RST SRQ SCS SOK SCK
SO
SI
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
CD-DSP,
DIGITAL SERVO,
MPEG DECODER, DAC
IC505
MTR-CTRL1
MTR-CTR2
M
TABLE MOTOR DRIVER
IC201
OUT2
OUT1
IN2
IN1
M201
(TABLE)
DISC TABLE
SENSOR
IC202
BU UP/DW SW
S201
(UP SWITCH)
TBL-SENS
MOTOR
DRIVE
49
48
45
44
LED-DISK 47
1
9
3
7
LED DRIVE
Q201
D201
(DISC No.)
Q412
Q411
Q370
DAC
DAC
To MAIN
SECTION
(Page 26)
To MAIN
SECTION
(Page 26)
A
B
RIPPLE FILTER
Q201
+2.5V REG
IC201
+3.3V REG
IC202
+2.5V
( (
LPF
Q302
6
13
22
7
8
9
15
26
16
18
12
14
2
28
29
17
23
22
5 9 3
4
6
12
11
135
143
142
141
140
138
137
165
161
133
189
24
150
149
207
206
164
160
173
16
15
14
13
2
3
1
7
8
5
6 5
3
7
1
201
204
203
26
205
162
163
10
30
29
28
13 14 15 16 18 19
16
73
68
72
76
70
77
78
74
6
2
3 6
5
33
24
17 18 20 38 15 39
81
AO4 AO6 AO3 AO5
RST
2,4,5,7,8,10,11,13,
42,44,45,47,48,50,51,53
2-12,23,
25-31 13-15,
7-21
23-26,
29-34
34-37,
39-45
49-56,
59-66
35 40 36 37 19 32 43
1
3
• R-ch is omitted due to same as L-ch.
• Signal Path
: CD PLAY (ANALOG)
: VIDEO