10
10
SCD-XB940
19
13
27
14
28
29
58
29
5
121
49
52
113
111
55
56
59
60
61
86
87
83
123
84
MA0
–
9
16
–
19, 22
–
26
97, 98, 100
–
105
63
–
68, 70, 71
73
–
76, 79
–
82
COAXIAL
OPTICAL
OPTICAL
TRANCEIVER
IC352
IC352
BUFFER
Q351
DIGITAL OUT
CD
J351
107
108
109
148
152
151
150
91
93
95
94
96
18
5
2
100
1
11
9
91
–
98
SD0
–
7
9
–
16
82
–
89
WAD0
–
7
1
(Page 9)
24
(Page 11)
2
(Page 9)
11
(Page 9)
23
(Page 11)
22
(Page 11)
21
(Page 11)
20
(Page 11)
19
(Page 11)
SWITCHING
IC616 (1/2)
SWITCHING
IC616 (2/2)
SWITCHING
IC627
SWITCHING
IC629
SWITCHING
IC630
80
81
22
17
(Page 11)
16
(Page 11)
05
18
(Page 11)
6
13
WCK
WRFD
TRST
XRST
7
8
9 10 11
XMSLAT
MSCK
MSDI
MSDO
MSREDY
14
Q
D
CK
Q
Q
Q
D
CK
INVERTER
IC624
28
27
256FSO IN
LT64FSO
SDATAL, SDATAR
CDDATA,
12
11
8
2
6
5
3
9
46
42
TIMING
IC621
69
68
67
66
XOE
BCKD
BCKA
XRAS
XCAS
XWE
22
7
23
6
48
2
–
5, 24
–
27
51, 52, 55
–
63
9
–
13, 16
–
21
70
–
77
47
SDATAR
SDATAL
DSAR
DSAL
26
25
CDBCK, CDLRCK
(Page 12)
(Page 12)
(Page 12)
(Page 12)
17
110
DVD RF
CD RF
DVD RF, CD RF
D-RAM
IC628
DQ1
–
16
A0
–
8
WE
OE
RAS
UCAS
LCAS
HD0
–
15
HD0 – 15
MA0 – 8
RFIN2
LOCK
MCK1
MDSO
MDPO
MD2
MUTE
DFCT
NORF
FWON
XMR
XRD
XWAT
XRST
XINT
XCS
D0
–
7
A0
–
7
XMWR
XDE
XRAS
XCAS
RFIN1
RF IN
LOCK
LOCK, MCK1
MDSO, MDPO
HD0 – 15
HD0 – 19
MD2, MUTE,
DFCT, NORF
FWON, XARPWR,
XARPRD, XARPCS
XARPWT, XARPRST, XARPINT
AVDRST
XCE
SHRMUT, SHRLT, SCK1, SOUT1, SIN1, SHRRDY
LOCK
MCK1
MDSO
MDSP
RF SIGNAL
DECODER
IC622
HD8 – 15
HA0 – 7
MD2
MUTE
DFCT
NORF
FWON
XARPWR
XARPRD
XARPWT
XARPRST
XARPINT
XARPCS
SCKI
SD0
–
7
SDCK
XSHD
XSAK
XSRQ
SDEF
RFD
PLCKO
DOUT
DATA
BCLK
LRCK
CDDATA
CD BCK
CD LRCK
DSD DECODER
IC617
99 SDEF
XSRQ
XSAK
XSHD
SDCK
ADIN
XCE
CLK
D0
–
7
A/D CONVERTER
IC620
A0
–
10
DQ0
–
7
D-RAM
IC625
OE
RAS
CAS
WE
DQ0
–
7
A0
–
10
SHRMUT
SHRLT
SOUT1
SIN1
SHRRDY
SCK1
MCKI
SMUTE
XCE
DATA BUS
ADDRESS BUS
2
–
5, 7
–
10,
31
–
34, 36
–
39
154
–
157, 159
–
162,
164
–
167, 169
–
172
136
–
139, 141
–
144,
146, 147
COUNTER
IC309
CLOCK
IC623
•
SIGNAL PATH
: SACD
: CD
: DIGITAL OUT
2-2.
BLOCK DIAGRAM – MAIN Section (1/2) –
Summary of Contents for SCD-XB940
Page 5: ...5 SECTION 2 GENERAL This section is extracted from instruction manual ...
Page 6: ...6 ...
Page 7: ...7 ...
Page 10: ...10 TRAY 1 Remove the tray Careful of the claw claw claw ...
Page 17: ...17 17 SCD XB940 4 7 SCHEMATIC DIAGRAM MAIN Board 2 6 Page 16 Page 20 Page 21 Page 18 Page 21 ...
Page 33: ...33 2 IC203 ea EXTAL DISPLAY Board 1 IC201 tk OSCO 4 1 Vp p 484 ns 3 8 Vp p 8 MHz ...
