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

5-4. BLOCK DIAGRAM – AUDIO Section –
DSD DIGITAL SIGNAL PROCESSOR
IC803
DSL, DSR,
DSLS, DSRS,
DSC, DSLF,
E64FSO, E128FSO
DSL
25 32 DSI1 DSAL
DSR
34 DSI2 DSAR
(Page 28)
DSLS
40 DSI5
DSRS PHREFO
42 DSI6
DSC
CDDATAL
36 DSI3
DSLF
LRCKO
38 DSI4
E64FSO
30 FS64
E128FSO
28 FS128
XZLAT,
CDMODE,
HDMODESEL DSALS
XZLAT
28
7 XMSLAT
DSARS
CDMODE
93 CDDATASL
(Page 28)
HDMODESEL
79 XABSL2
SHRRDY, 82 XABSL1
MSCK, MSDATI,
MSDATO, XRST DSD
SHRRDY
29
3 MSREADY
(Page 28)
MSCK
6 MSCK
MSDATI
5 MSDATI
MSDATO
4 MSDATO
XRST DSD
99 XRST
MDAT, MDAT
96 CDDATAI
LRCK,
LRCK
95 LRCKI
BCLK
BCLK
17
94 BCKI
ZMCKI
88 MCKI DSAC
(Page 27)
85 DVCKI DSASW
CLOCK BUFFER
IC304
ZMCKI,
256FS 256FS
8 9 13
24
(Page 28)
5
1 2 3
X301
11.2896MHz
DATA, SHIFT, LATCH, AMUTZ
26
(Page 28)
MUTE
27
(Page 28)
DSDL
56 1
DSD DSD
DSDR MUX
INTERFACE FILTER
58 2
DBCK
69 20
PDATA
92 4
PLRCK PCM PCM
90 5
INTERFACE FILTER
PBCK
3
18 19
DSDL
60 1
DSD DSD
DSDR
MUX
62 2 INTERFACE FILTER
DBCK
20
PDATA
4
PLRCK
PCM PCM
5
PBCK INTERFACE FILTER
3
18 19
DSDL
64 1
DSD DSD
DSDR MUX
66 2 INTERFACE FILTER
DBCK
20
PDATA
4
PLRCK
PCM PCM
12
5
INTERFACE FILTER
PBCK
3
6 18 19
4
AMUTZ
DIGITAL FILTER,
D/A CONVERTER
IC301
VOUTL
MULTI LEVEL MULTI LEVEL ANALOG
9
DELTA SIGMA D/A LOW-PASS VOUTR
10 R-CH
MODULATOR CONVERTER FILTER
MODE
CONTROL
15 16 17
DIGITAL FILTER,
D/A CONVERTER
IC302
VOUTL
MULTI LEVEL MULTI LEVEL ANALOG
9
DELTA SIGMA D/A LOW-PASS VOUTR
10 R-CH
MODULATOR CONVERTER FILTER
MODE
CONTROL
15 16 17
DIGITAL FILTER,
D/A CONVERTER
IC303
VOUTL
MULTI LEVEL MULTI LEVEL ANALOG
9
DELTA SIGMA D/A LOW-PASS VOUTR
10
MODULATOR CONVERTER FILTER
MODE
CONTROL
15 16 17
29 29
HEADPHONE
AMP
IC308
R-CH
ANALOG
LOW-PASS
FILTER
IC305
MUTING
Q402
MUTING
Q401
R-CH
ANALOG
LOW-PASS
FILTER
IC306
MUTING
Q422
MUTING
Q421
R-CH
MUTING
ANALOG
Q442
LOW-PASS MUTING
FILTER Q441
IC307
D305
MUTING
Q542
MUTING
Q541
• R-ch is omitted due to same as L-ch.
D304
• SIGNAL PATH
MUTING MUTING
: SACD PLAY
CONTROL CONTROL
SWITCH SWITCH
: CD PLAY (ANALOG OUT)
Q301 Q303
SCD-XB770
Ver 1.1 2001.07
RV601
PHONES LEVEL
J601
R-CH
PHONES
MUTING
Q403
J301
L
ANALOG
2CH OUT
R-CH R
J302
L
FRONT
R-CH R
L
SURR
R
R-CH
ANALOG
5.1CH OUT
CENTER
SUB WOOFER