Read Sony STR-DE997 Service Manual online
STR-DE997
14
14
STR-DE997
4-3. BLOCK DIAGRAM — DIGITAL SECTION —
• Signal path
: VIDEO (AUDIO)
: CD (ANALOG)
: CD (DIGITAL)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
2
+5V-2
A.5V
AMP
IC1402
SDI1
SD01
SDTO
9
18
GP8
AUDIO 24
MCLK
11
XMCK
20
69
LRCKI1
15
BCKI1
17
KFSI0
CKOUT 13
22
BCKI2
BCK 14
29
LRCKI2
LRCK 15
28
SDI2
CS
WE
DATAO
LRCK 10
SCLK 12
23
SD02 24
SD03 25
SD03 25
SD04 26
SCKOUT 14
LRCKO 19
BCKO
LRCKO
MCLK
BCKO
20
X1502
13.9MHz
X1301
12.288MHz
MCLK1 9
MCLK2 12
CSO 44
WEO 45
68
108,107,105 -102,99,
98,80 - 77,75 - 72
24 - 27,42 - 44,
1 - 5,18 - 21
29 - 32,35 - 38,
16-13,10 - 7
112,110,109,97 - 92,
85-82,66 - 64
6
17
2 113
36
35 33 34
32
74
80
37
72 73
76
104103102
78
EXLOCK
GP12
7 PLOCK
56
BST
ERROR
21
22
71
119
120
PDN
13
84
67
69
70
38
37
36
35
33
47
17
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION
LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
34
59
16
30
DVD
IN
DIGITAL
(ASSIGNABLE)
(COAXIAL)
SELECTOR
IC1302
1
SA-CD/CD
IN
(OPTICAL)
OUT
IC1354
SA-CD/CD
IN
(COAXIAL)
3
MD/TAPE
OUT
(OPTICAL)
DIN
IC1353
1
6
7
14 2
TV/SAT
IN
(OPTICAL)
OUT
IC1351
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
J1301
-1
-2
2
3
WAVE
SHAPER
IC1373
J1301
2
3
WAVE
SHAPER
3
1
+2.6V
VDDI
+3.3V
VDDE
5
+3.3V
VDD
NC
L-IN
R-IN
SYSTEM MUTE
R-CH
AINL
LPF
AUDIO
I/F
A/D
CONVERTER
IC1401
DSP
IC1501
SDRAM
IC1502
SWITCH
IC1503
DIR_DATAO
49
GP12
9718.HACN1
XRST1
HDIN
PM1
89
90
92
93
91
88
AK4355_CSN
75
121
BST SEL
AK4381_CSN
AK4355_PDN
AK4381_PDN
AK4355_CCLK
AK4355_CDTI
CDTI
CCLK
PDN-2
PDN-1
CSN-2
CSN-1
HDOUT
GP9
HACN
HCS
XRST
HDIN
PM
HDOUT
HCLK
6
DIR_CLK
DIR CE
DIR DI
DIR DO
DIR_XSTATE
CLK
CE
DI
DO
BPSYNC
CKSEL1
82
81
48
DIR_XMODE
83
DIR CKSEL1
XMODE
XSTATE
85
AK5380-PDN
5
4
3
XOUT
DIN1
DIN2
2
DOUT
DIN0
XIN
A B
SYSTEM_MUTE
Q1103
INV.
ERROR
A_D
Q1105
INV.
Q1104
GATE
D1105
D1106
D1103
D1301
D0-15
A0-15
D0-15
A0-15
SYSTEM
CONTROL
IC1101 (2/5)
TUNER/
AUDIO
SECTION
C
TUNER/
AUDIO
SECTION
B
TUNER/
AUDIO
SECTION
A
ADC
79
9718.PLLI
9718.HCLK
9718.BST1
9718.HCS1
9718.GP9
4
1
MD/TAPE
IN
(OPTICAL)
OUT
IC1352
5
1
DIGITAL
(OPT)
VIDEO 3
INPUT
OUT
IC2010
3
47
TC74HCT153_A
TC74HCT153_B
48
SDTI3
L OUT
C OUT
R-CH
LOUT3-
LOUT3+
ROUT3-
ROUT3+
8
2
3
3
18
17
1
6
5
5
16
15
7
AMP
IC1403
SDTI1
SL OUT
R-CH
SW OUT
LOUT1-
LOUT1+
ROUT1-
ROUT1+
6
2
3
3
26
25
1
6
5
5
24
23
7
AMP
IC1405
AMP
IC1404
SDTI2
LOUT2-
LOUT2+
ROUT2-
ROUT2+
7
MCLK
4
BICK
5
10 CSN
3 PDN
11 CCLK
CDTI
12
LRCK
MCLK
BCKO
CSN-1
PDN-1
CCLK
CDTI
CDTI
LRCKO
9
MCLK
1
CLK
7
DTI
8
BICK
2
CSN
6
PDN
5
LRCK
LRCKO
MCLK
CCLK
CDTI
BCKO
CSN-2
PDN-2
LRCKO
4
2
3
3
22
21
1
6
5
5
20
19
7
SDTI
SBL OUT
OUTL-
OUTL+
OUTR-
OUTR+
3
2
3
3
12
11
1
R-CH
6
5
5
10
9
7
AMP
IC1406
6CH DAC
IC1452
2CH DAC
IC1451
DAC
DAC
DAC
DAC
8
1
2
(Page 13)
(Page 13)
(Page 13)
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