Block Diagram - Audio (Dsp) Section - Sony HCD-C770 Service Manual

7-2. BLOCK DIAGRAM – AUDIO (DSP) Section –
D5V
REFERENCE VOLTAGE
GENERATOR
IC402 (2/2)
WARFI
(Page 32) A
WCK
(Page 32) G
SD0 – SD7
LEVEL SHIFT
(Page 32) C
AV DATA BUS
IC812
SDEF, XSHD,
XDCK, XSAK
XDCK
E
(Page 32)
XSAK
LEVEL SHIFT
SDEF
IC813
XSHD
768FS
H
(Page 32)
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT MSDATO
M
(Page 32)
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
XRST_DSD
(Page 32) J
XSRQ
(Page 32) K
TDOSA, TDISA,
TCK, TMS, TRST TDOSA
(Page 35) N
TDISA
TCK
TMS
TRST
CDDOUT
B
(Page 32)
OPTICAL
OPTICAL RECEIVER
DIGITAL IN
IC204
VIDEO 2
SPDIF
O
(Page 35)
J205 (1/4)
L
VIDEO 1
AUDIO IN
R-CH
R
J206 (1/3)
L
VIDEO 2
AUDIO IN
R R-CH
FM/AM TUNER PACK
AMP
COAXIAL
FM ANT
L-CH
Q221
FM
75Ω
GND
R-CH
R-CH
AM ANT
AM
TUDI Q205
GND DI
TUDO
DO
TUCLK
CK
TCE
CE
TUN
TUNED
DET AMP
FM-DET
4 MUX
Q201
X1
13
X201
4.332MHz
(AEP)
AV0 – AV2
P
(Page 35)
RSTAD
S
(Page 34)
127 WAVRB
126 WARFI 64
DSAL
66
DSAR
123 WCK
DSAC 69
DSALFE 71
DSALS 74
76
DSARS
166 SDCK
PHREFO 62
167 XSAK
EXCKO1 13
168 SDEF
165 XSHD
DSD DECODER
IC801
11 MCKI
6 MSDATO
4 MSDATI
3 MSCK
2 XMSLAT
16Mbit
7 MSREADY
SD-RAM
10 SMUTE
IC808
9 XRST
164 XSRQ
29 TDO 143 15 WE
XWE
27 TDI 145 17 RAS
XRAS
26 TCK
XCAS 144 16 CAS
30 TMS DCKE 142 34 CKE
31 TRST 141 35 CLK
DCLK
5 DIN2 16
DATA
4 DIN1
3 DIN0 CKOUT 13
BCK 14
15
LRCK
DIGITAL AUDIO
PLOCK
INTERFACE
DIGDI
36
IC606 DI
DO
DO 35
DIGCLK
22 XIN CL 38
CSDIR
X600
37
CE
XST
12.288MHz
17
XSTATE
21 XOUT
RSTDIR
48
XMODE
20 XMCK
ERROR 34
AUDIO 24
AUDIO INPUT
SELECTOR
A/D CONVERTER
IC202
IC602
2 Y2
LOW-PASS
EXID2
1 Y0 Y 3 FILTER 1 LIN DOUT 15
IC603
5 Y1 BCK2
BCK 14
A B
LRCK2
LRCK 13
10 9 R-CH 5 RIN
Q206
16 6
RDSD
RDATA 2
RDSC
RCLK 16
X0
RDS DECODER
14
IC201
(AEP)
63 DSIFL
64 DSIFR
F2FLREX1 47
65 DSICT
F2CSWEX2 46
66 DSISW
45
F2SLR
67 DSISL
68 DSISR
CKOUT 49
F2BCK 43
62 DSBCKF
44
F2LRCK
52 MCK
DIGITAL AUDIO
PROCESSOR
IC612
EXID1
58 EXID1
EXIMCK
59 EXIMCK
EXIBCK
55 EXIBCK
EXILRCK
56 EXILRCK
EXID2
57 EXID2
BCK2
29 BCK2
LRCK2
28 LRCK2
79 INIT
78 SYNC
77 SELEXT
EXID1
DIGDI
EXIMCK
DIGCLK
EXIBCK
EXILRCK
ENABLE
SWITCH
Q908 – 910
65 98 97 7 25 8 20 24 22 18
33 AD-RST
TUDI
52 TUN-DI
TUDO
54 TUN-DO
TUCLK
55 TUN-CLK
TCE
53 TUN-CE
TUN
51 TUNED
RDSD
88 RDS-DATA
RDSC
94 RDS-CLK
AV0
95 AV-SEL0
AV1
96 AV-SEL1
AV2
48 AV-SEL2
33 33
D4
26
SDO4
D1
18 SDI1 SDO1 23
D2
30 SDI2 SDO2 24
D3
114 SDI3 25
SDO3
SCK
22 KFSIO SCKOUT 14
BCKO
17 BCKI1 BCKO 20
LRCKO
15 LRCKI1 19
LRCKO
67
GP10
DIGITAL AUDIO
SIGNAL PROCESSOR
IC607
S-RAM
IC604
9 MCLK1
X601
13.5MHz
12 MCLK2
CS0 44 41 OE
WE0 45 17 WE
33 HDIN
PM
34 HCLK
113
PM
HCS
36
HCS
35 HDOUT BST
56
BST
32 HACN RSTDSP
XRST 2
68 GP9
59 69
12V
D490
POWER ON
MUTING
Q490, 492
Q903
LEVEL SHIFT
IC900
D903
6 15 17 19 23 28 13 14 16 12
SYSTEM CONTROLLER
IC901 (1/3)
HCD-C770/C990
D1 – D4, SCK,
BCKO, LRCKO
Q (Page 34)
• R-ch is omitted due
to same as L-ch.
• SIGNAL PATH
: AUDIO
: CD PLAY
: DVD PLAY
: SACD PLAY
: AUX IN
: OPTICAL
DIGITAL IN
: TUNER
DIGDI, DIGCLK
T (Page 34)
NSMUTE
R (Page 34)