Read Sony STR-DH520 Service Manual online
STR-DH520
STR-DH520
13
13
4-2. BLOCK DIAGRAM – DIGITAL Section –
Ver. 1.1
TUNER/
AUDIO
SECTION
(Page 12)
(Page 12)
173
L-IN
R-IN
TUNER/
AUDIO
SECTION
(Page 12)
(Page 12)
HDMI RE PC
SECTION
(Page 15)
(Page 15)
+3.3V
3 - 5
17 - 19
12 - 14
75, 97,103
6, 8 -10
74, 95,101
6LJQDOSDWK
: TUNER (FM/AM)
: DVD (DIGITAL)
5FKLVRPLWWHGGXHWR
: DVD (DIGITAL)
5FKLVRPLWWHGGXHWR
VDPHDV/FK
R-CH
COAXIAL
BD/DVD IN
DIGITAL
$66,*1$%/(
OPTICAL
IN
TV
J2301
OPTICAL
6$7&$79
IN
X2800
25MHz
CN2513
9
10
7
8
8
11
12
13
14
16
18
13
14
16
18
CEC DATA
6:,7&+
1
48
20
47
73
94
86
X2801
24.576MHz
CLKIN
6%/6%5B287
6/65B287
&6:B287
/5B287
24
XTAL2 25
92
%&/.B287
0&/.B,1
98
/5&/.B287
8$57B287
8$57B,1
63,&/.
Y0
B0
Y3
Y1
Y1
6(/
026,
0,62
IRQ/GPIO
FLAG1
FLAG2
99
70 71 68
40
39
88 89
25
29
24
INPUT
DATA
DEMODULATOR
3D3E'(7(&7,21
LOCK
DETECTION
0,&52352&(6625
I/F
&ELW'(7(&7,21
49
50
18
1
OUT
DIGITAL OPTICAL
RECEIVE
IC2352
DIGITAL AUDIO
INTERFACE RECEIVER
IC2006
2
3
:$9(6+$3(5
IC2303
IC2010
2
4
+3.3V
REG
1
2
+1.2V
VDDI
+3.3V
VDDE
+3.3V
7(03B6(1625B
VDD
+3.3V
+3.9V
+5V REG
IC2421
VOUT
VIN
+5V
+7V
'63
IC2801 (1/2)
&20B&/.
&20B'$
7$
0&6&/
0',6'$
33
31
TH251
TH252
26
7(03B6(1625B
27
XTO
RXIN2/
'9'B&RD[LDO,Q
'9'B&RD[LDO,Q
RXIN4/TV OPT IN
LRCK
1
OUT
IN2
VDD
OUT
OUT3
DIGITAL OPTICAL
RECEIVE
IC2351
32
RXIN3/
6$7&$79237,1
6$7&$79237,1
XTI
6<67(0
CONTROL
IC2105 (2/5)
11
14
94
55
56
57
56
57
95
MUTE
LA
TCH
)/$6+B&/.
MUTE
3A
6(/(&7
0/,6
12
0&,:/
13
MD/DM
DIN3
DIN4/DNC
FL OUT
R-CH
VO3L
VO3R
VO1L
VO1R
VO2L
VO2R
9
26
25
7
2 MCK
3 BCK
3 BCK
LRCK
2B
3Y
3Y
4
D/A CONVERTER
IC2501
DAC
DIN2
6/287
R-CH
22
21
DAC
DIN1
C OUT
23
6:287
24
DAC
DAC
'63
69
5;,1+'0,B$5&
5;,1+'0,B63',)
VINR
VINL
6&.2
IC2005
+9V
REG
+9V
+15V
Q2702 - Q2705
62
9
6
1
11
6,*1$/6(/(&725
IC2032 (1/2)
134
135
136
13
3
11
10
8
6
4
1
2
10
DAC
VO4L
VO4R
20
19
6%/287
8
2
5
1
6&+0,7775,**(5
IC2009
CN2602 (1/2)
4
5
6
)/$6H
PROGRAMMING
12
4
7
1
3
MUTING
IC2804
3
3
28
47 43
+'0,B&(&,1
+'0,B&(&287
8$5
7B6(/
'63B0,62
'63B026,
'63B026,
'63B63,&/.
62
6(/
NPCM
ERROR
INT
6,
59
61
60
88
5(6(76,*1$/
GENERATOR
IC2034
5(6(7
38
39
40
EEPROM
IC2802
6&.
6,
62
A3
Y0
Y3
Y1
Y2
A2
A1
A0
B0
CK
D
Q
6,*1$/6(/(&725
IC2805
MUTE
6:,7&+
Q2706
A
D
C
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