HCD-C770/C990
33
33
7-2.
BLOCK DIAGRAM – AUDIO (DSP) Section –
DIGITAL AUDIO
INTERFACE
IC606
16
DATA
13
CKOUT
14
BCK
15
LRCK
36
DI
35
DO
38
CL
37
CE
17
XSTATE
48
XMODE
DIGDI
DO
DIGCLK
DIGDI
DIGCLK
CSDIR
XST
RSTDIR
34
ERROR
24
AUDIO
B
CDDOUT
(Page 32)
R
NSMUTE
(Page 34)
O
SPDIF
WARFI
WCK
(Page 35)
P
AV0 – AV2
(Page 35)
S
RSTAD
(Page 34)
20 XMCK
168 SDEF
165 XSHD
166 SDCK
167 XSAK
6 MSDATO
4 MSDATI
3 MSCK
2 XMSLAT
7 MSREADY
10 SMUTE
MSDATO
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
29 TDO
27 TDI
26 TCK
30 TMS
31 TRST
SDEF
SDEF, XSHD,
XDCK, XSAK
XSHD
XDCK
XSAK
64
DSAL
63 DSIFL
58 EXID1
57 EXID2
29 BCK2
28 LRCK2
EXID2
BCK2
LRCK2
EXID2
BCK2
LRCK2
59 EXIMCK
55 EXIBCK
56 EXILRCK
EXID1
EXIMCK
EXIBCK
EXILRCK
EXID1
PLOCK
DIGDI
DO
DIGCLK
CSDIR
XST
RSTDIR
PLOCK
EXIMCK
EXIBCK
EXILRCK
9 XRST
XRST_DSD
5
DIN2
3
DIN0
127 WAVRB
123 WCK
126 WARFI
4
DIN1
54 TUN-DO
55 TUN-CLK
53 TUN-CE
51 TUNED
52 TUN-DI
32 HACN
68 GP9
35 HDOUT
34 HCLK
33 HDIN
DSD DECODER
IC801
16Mbit
SD-RAM
IC808
DIGITAL AUDIO
PROCESSOR
IC612
SYSTEM CONTROLLER
IC901 (1/3)
DIGITAL AUDIO
SIGNAL PROCESSOR
IC607
D5V
X600
12.288MHz
Q205
J205 (1/4)
J206 (1/3)
Q206
22
21
XIN
XOUT
OPTICAL RECEIVER
IC204
LEVEL SHIFT
IC900
LEVEL SHIFT
IC812
LEVEL SHIFT
IC813
OPTICAL
DIGITAL IN
VIDEO 2
SD0 – SD7
169 – 176
REFERENCE VOLTAGE
GENERATOR
IC402 (2/2)
143
XWE
15 WE
145
XRAS
17 RAS
144
XCAS
16 CAS
142
DCKE
34 CKE
35 CLK
DQ0 – DQ7
DQ0 – DQ7
A0 – A11
2, 3, 5, 6, 8,
9, 11, 12
139-136,
134-131
162-159, 157-154,
152, 151, 149, 148
A0 – A11
141
DCLK
S-RAM
IC604
44
CS0
41 OE
45
WE0
17 WE
D0 – D15
D0 – D15
A0 – A15
7-10, 13-16,
29-32, 35-38
108, 107, 105-102, 99
98, 80-77, 75-72
112, 110, 109,
97-92, 82-85, 66-64
A0 – A15
5-1, 44-42,
27-24, 21-18
66
DSAR
64 DSIFR
69
DSAC
65 DSICT
71
DSALFE
66 DSISW
74
DSALS
67 DSISL
76
DSARS
68 DSISR
62
PHREFO
62 DSBCKF
13
EXCKO1
52 MCK
47
F2FLREX1
18 SDI1
46
F2CSWEX2
30 SDI2
45
F2SLR
114 SDI3
49
CKOUT
22 KFSIO
43
F2BCK
17 BCKI1
44
F2LRCK
77 SELEXT
78 SYNC
15 LRCKI1
59
EXLOCK
69
GP8
33 AD-RST
7
DIG-DI
97
DF-SW
98
DF-SYNC
25
DI
8
DIG-CLK
20
DIR-CE
DSP-PM
DSP-CS
DSP-BST
DSP-RST
24
DIR-XMODE
22
DIR-XST
18
DIR-ZERO
6
DSP-DO
15
DSP-HACN
17
DSP-GP9
19
DIR-ERR
23
DIR-AD
28
DAMP-MUTEN
67
GP10
23
SDO1
24
SDO2
26
SDO4
D4
D1
D2
D3
SCK
BCKO
LRCKO
25
SDO3
14
SCKOUT
20
BCKO
19
LRCKO
LOW-PASS
FILTER
IC603
FM/AM TUNER PACK
AUDIO INPUT
SELECTOR
IC202
A/D CONVERTER
IC602
AMP
Q221
1 Y0
2 Y2
3
10 9
Y
A B
15
16 6
DOUT
14
BCK
13
LRCK
SYSCLK
RSTB
5 Y1
1 LIN
5 RIN
R-CH
DO
CK
CE
TUNED
FM-DET
FM ANT
GND
AM ANT
GND
L-CH
R-CH
DI
TUDO
TUCLK
TCE
TUN
TUDI
RDSC
RDSD
R-CH
R-CH
R-CH
TUDO
TUCLK
TCE
TUN
TUDI
COAXIAL
FM
75
Ω
AM
AV DATA BUS
SD0 – SD7
C
(Page 32)
E
(Page 32)
J
(Page 32)
164 XSRQ
XSRQ
K
(Page 32)
11 MCKI
768FS
H
(Page 32)
M
(Page 32)
TDOSA, TDISA,
TCK, TMS, TRST
N
(Page 35)
G
(Page 32)
A
(Page 32)
TDOSA
TDISA
TCK
TMS
TRST
19-24, 27-32
96 AV-SEL1
48 AV-SEL2
95 AV-SEL0
94 RDS-CLK
88 RDS-DATA
AV1
AV2
AV0
RDSC
RDSD
AV2
AV0
65
DFIL RST2
PM
HCS
BST
RSTDSP
13 14 16 12
113
PM
36
HCS
56
BST
2
XRST
PM
Q903
D903
D490
12V
HCS
BST
RSTDSP
T
DIGDI, DIGCLK
(Page 34)
Q
D1 – D4, SCK,
BCKO, LRCKO
(Page 34)
ENABLE
SWITCH
Q908 – 910
POWER ON
MUTING
Q490, 492
79 INIT
12
9
X601
13.5MHz
MCLK2
MCLK1
• SIGNAL PATH
: CD PLAY
: AUDIO
: DVD PLAY
: OPTICAL
DIGITAL IN
: AUX IN
: TUNER
: SACD PLAY
VIDEO 1
AUDIO IN
VIDEO 2
AUDIO IN
L
R
L
R
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT
•
R-ch is omitted due
to same as L-ch.
4
13
14
2
DET AMP
Q201
16
X201
4.332MHz
RDS DECODER
IC201
(AEP)
(AEP)
MUX
X1
X0
RDATA
RCLK