Block Diagram - Dvd Dsp (1/2) Section - Sony HCD-NXM4D Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
7-2. BLOCK DIAGRAM
– DVD DSP (1/2) SECTION –
DSP
OPTICAL PICK-UP
BLOCK
IC001
(DBU-3)
DVD/CD RF AMP
RF
1
DVDRFP
RFAC
3
A2
B2
4
5
C2
MEVO
6 D2
12
A
11
B
10
C
MIN
9 D
B
16
CD A
A
15
CD B
MIRR
D
14
CD C
13
C
CD D
E
17
CD F
F
18
CD E
MNTR
VC
20
VC
VI25
Q001
LD
DVDLD
21
DVD LD
DRIVE
Q002
LD
CDLD
22 CD LD
SDEN
DRIVE
SDATA
LD GND
PD
23 DVDPD
SCLK
24 CDPD
LDON
A +5V
VCC
GND
IN1+
DO1+
FCS+
36
DO1-
DRV
IN1-
FCS-
37
DO2+
IN2+
T E
TRK+
34
L
1 3 9 4 2 2 9 6 5 1 3
DRV
DO2-
IN2-
TRK-
35
IC501
MOTOR/COIL DRIVE
AVC
DO5+
SPDL+
IN5-
27
SPINDLE
M
DRV
MOTOR
SPDL-
DO5-
28
IN6+
47
OUT6
IN6-
46
SLEDA+
DO3+
IN3-
32
SLEDA-
DO3-
31
SLED
M
DRV
SLEDB+
DO4+
IN4-
MOTOR
30
SLEDB-
DO4-
29
POWER
SAVE
22
21
20
19
INLIM
SW
Q901
76 73 63
60
w w w
40 XTAL
X901
20MHz
41 EXTAL
HCD-NXM4D
57
50 RFAC
1
RF
2
RF AC
IC003
32
4
TXD
1
OP AMP
5
RXD
4
CN901
31
(RS232C)
MIRR
27
20 MIRR
FE
40
39 FE
TE
39
40 SE
41 TE
PI/CE
42
43
RFDC
CE
42
36
38
VC
SDEN
48
DATA RF
47
CLK RF
46
LDON
26
42
40
FFDR
48
33
FFDR
FRDR
1
34 FRDR
TFDR
3
31
TFDR
TRDR
4
32
TRDR
5
29
SFDR
7
6
30 SRDR
AVC
IC503
AMP
26
76 77
63
2
3
43
AVC
13
45
10
7
39
44
43
62
28
82
83
2
8
7
66
65 67 29
61
80
81
31
52 54
3
98
59
x
a o
y
.
i
http://www.xiaoyu163.com
IC509
CD DECODER
SERVO DSP
IC701
DVD DECODER
117
RFIN
HDB0-HDB7
LRCK
65
163
LRCK
PCMD
66
160
MDAT
BCK
67
158
BCLK
SBSO
79
148
SBIN
EXCK
80
147
EXCK
WFCK
10
WFCK
151
C2PO
14
155
C2PO
SCOR
15
150
SCOR
WDCK
17
146
GSCOR
DFCT
21
45
DFCT
IC703(2/2)
AMP
MDP
25
137
MDIN2
138
MDIN1
142
MDSOUT
MDB0-MDB9,
MDBA-MDZBF
Q
Q
3
7
6
MA0-MA9/MNT0
XTAI
71
XTSL
69
4 5 6 7 8
13
19 22 24
SPIN
SPO
135
109
APE0
D0-D7 A0-A7
172-176
5,7,
17 18 19 20 21
1,2,4
9-14
8
8
IC703(1/2)
AMP
49 27 50 9 72 71 30 74 75
10
26
64
45
97
14-21
89-96
85
84
12
A8
D0-D7
A0-A7
u 1 6 3
31
31
http://www.xiaoyu163.com
8
9
2
4
9
IC256 DATA LATCH
HDB0
2
ID
1Q
19
HDB7
44,41,39,35
32,30,27,24
9
8D
8Q
12
XSAK
OE
HDRQ
46
XDCK
1
XHWR
48
XSRQ
XHAC
53
IC258 DATA LATCH
SDEF
HDB8
26
XSAK
2 1D
1Q
19
HDB8
3 2D
2Q
18
XDCK
4 3D
3Q
17
OE
1
IC352
IC259 DATA LATCH
A/D CONVERTER
ADC
L-CH
DATA
1 VINL
15
8 7D
1Q
DOUT
2Q
R-CH
2 VINR
3Q
13 LRCK
4Q
14 BCK
5Q
16 SYSCK
6Q
LRCK
7 6D
7Q
BCK
9 8D
8Q
OE
1
66-69,71,
2-5,
73-75,
16
7-10,
96,97,99,
I/O0-I/O15
41-44,
101,102,
46-49
104-106
3
1
5
1
5
0
8
9
21-24,
79,80,
12
27-32,
A0-A11
82-87,
IC706
20,19
89,91
16M DRAM
XMWR
76
17
WE
XRAS
78
18
RAS
XMOE
94
33
OE
XCAS
95
34
UCAS
35
LCAS
MA11/MNT2
93
XTL1
170
MA10/MNT1 92
GFS 107
164
DVD DSP (2/2)
768FS-2
B
SECTION
768FS-1
(Page 32)
IC901(1/2)
MECHANISM
CONTROLLER
22 23
25
58
6
m
IC903
EEPROM
c o
SDA_EEP
5
5 SDA
SCL_EEP
100
6
SCL
.
WP_EEP
WP
99
7
HCD-NXM4D
8
2
9
9
AVO-AV7
HDB-DATA
XSRQ
XSRQ
XSAK#
XSAK#
SDEF#
SDEF#
XDCK#
XDCK#
DVD DSP (2/2)
A
SECTION
(Page 32)
INT/EXT
AV7
19
AV0
18
AV1
17
AV2
16
AV6
15
XSAK#
14
SDEF#
13
BCK
XDCK#
LRCK
12
XCK
Q201
INVERTER
ANALDG-IN-L
MAIN
H
SECTION
R-CH
ANALDG-IN-R
(Page 34)
2
4
9
8
2
9
9
• R-ch is omitted due to same as L-ch.
• Signal path
J
: DVD
F
: AUDIO

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