Block Diagram - Main Section - Sony SCD-XB770 Service Manual

SCD-XB770
Ver 1.1 2001.07
5-3. BLOCK DIAGRAM – MAIN Section –
SDATA, SCLK, SDEN
(Page 26) 3
FOK, MIRR, COUT, SCLK
(Page 26)
6
TE, FE
(Page 26) 2
LEVEL SHIFT
IC812
A1 – B1 –
SD0 – SD7
A8 B8
(Page 27) 19
LEVEL SHIFT
IC813
A1 B1
SDEF
(Page 27) 20
2
XASK, XSHD,
XDCK, XSAQ
A2
XSAK B2
(Page 27) 21
3
XSHD A3 B3
4
XDCK
5
XSAQ
LEVEL SHIFT
IC814
WPK
(Page 27) 22
REAC
(Page 27) 15
D-RAM
IC808
CAS
RAS
WE
CKE
CLK
LIM SW
(Page 26) 7
XTAL
(Page 27) 23
768FS (33.8688MHz)
(Page 27) 16
XRST DVD, XRST CD, MUTE CD
(Page 27) 18
MUTE 2D, MUTE LOAD, SP ON
(Page 26) 10
DSD DECODER
IC801
DSAL 64
DSAR 66
DSALS 74
DSARS 76
DSAC 69
DSALFE 71
PHREFI 61
BCKAI 59
18 168 SDEF
17 167 XSAK
3-MULTIPLYING
IC811
13
16 165 XSHD
15 166 SDCK
MCKI 11 12
11
164 XSRQ
10
9
123 WCK
8
126 WARFI
MSDATO 6
MSDATI 4
MSCK 3
XMSLAT 2
SMUTE 10
MSREADY 7
16 144 XCAS
17 145 XRAS
15 143 XWE
34 142 DCKE
35 141 DCLK
TEST1 115
XRST 9
DSL
DSR
DSLS SDEN
DSRS
DSC
DSLF
SDATA
E64FSO
83 SDATA RF SCDATA DF 100
E128FSO SCLK
77 SDCLK RF SHIFT DF 99
LATCH
ZMCKI
LATCH DF 98
FOK AMUTZ
74 FOK CD AMUTE 2
MIRR
32 MIRR
COUT
29 COUT CD
SCLK
72 SCLK CD
256FS
TE
1
65 TE
FE
67 FE/PI
2
MODE DF 1
3
S152
30 IN SW
(LOADING IN)
S151
31 OUT SW
(LOADING OUT)
4
5
CPU
IC901 (2/3)
6
RXD 80
TXD 81
EEPSIO 78
EEPSCL 79
48 SDIN DSD
49 SDOUT DSD
50 SCK DSD
46 XMSLAT
45 MUTE DSD
47 READY DSD RST 38
40 XTAL
X901
20MHz
XCS IO 11
41 EXTAL
XDIS IO 52
XRST DVD
XRST CD
MUTE CD
MUTE 2D
MUTE LOAD
SP ON
28 28
• SIGNAL PATH
DATA
SHIFT
D306
MULTI 25
D307
CN709
26 SDEN
FOR
RS-232C
I/O
5 SDA
EXPANDER
6 SCL IC902
EEPROM
IC903
XHRD
XRD 42
XHWR
XWR 41
XZLAT
RESET SIGNAL XZLAT 53
CDMODESEL
GENERATOR
CDMODESEL 52
HDMODESEL
IC905
HDMODESEL 51
LOAD IN
43 XCS LOAD IN 15
LOAD OUT
LOAD OUT 13
39 XDIS
RST DP 19
27 ISBTEST
VMOD 22
18 RST DSD
61 LIM SW
20 RST DVD
21 RST CD
IC802
10 11
1 MUT CD
8 9
2 MUT 2D
6 5
3 MUT LOAD
4 3
4 SP ON
: SACD PLAY
ZMCKI, 256FS
24
(Page 29)
DSL, DSR, DSLS, DSRS, DSC,
DSLF, E64FSO, E128FSO
25 (Page 29)
DATA, SHIFT,
LATCH, AMUTZ
26 (Page 29)
MUTE
27
(Page 29)
D0 – D7
12
DATA BUS (Page 27)
A0 – A2
13
ADDRESS BUS (Page 27)
XHRD, XHWR
14
(Page 27)
XZLAT, CDMODE, HDMODESEL
28
(Page 29)
LOAD IN/OUT
11
(Page 26)
SHRRDY, MSCK,
MSDATI, MSDATO,
XRST DSD
29
(Page 29)
XRST DP
30
(Page 30)
VMOD
5 (Page 26)