Read Sony STR-DH550 / STR-DH750 Service Manual online
STR-DH550/DH750
STR-DH550/DH750
15
15
5-1. BLOCK DIAGRAM – ANALOG AUDIO Section –
Ver. 1.1
X2
19
X1
18
X101
32.768kHz
J401
J402 (1/2)
J100
CN103
CN104
CN102
AUTO CAL
MIC
J402 (2/2)
AUDIO
SA-CD/CD IN
R
L
AUDIO
SUBWOOFER OUT
R
L
AUDIO
SAT/CATV IN
R
L
AUDIO
TV IN
R
L
AUDIO
VIDEO IN
R
L
5
TUN_RDS_SIGNAL
AM
FM RECEIVER
IC101
ROUT
FM
75ȍCOAXIAL
ANTENNA
ARF1
ARF2
1
INL2
INR2
INL7
INR7
INL6
INR6
INL8
INR8
ADCR
ADCL
SWOUT
COUT
SROUT
SLOUT
SBROUT
SBLOUT
FROUT
FLOUT
35
36
R-ch
SL
SBL
FL
L-IN
INL3
INL1
INR1
INR3
DIR FUNCTION SELECT
IC400
SLIN
SRIN
42
43
R-ch
SL OUT
RCH-N
RCH-P
LCH-P
LCH-N
CIN
SWIN
44
45
C OUT
SW OUT
SBLIN
SBRIN
40
41
R-ch
SBL OUT
FLIN
FRIN
46
47
R-ch
FL OUT
SYSTEM
CONTROL
IC2001 (1/6)
6
TUNER_SDA
7
TUNER_SCL
EVOL_DA
TA
DA
CL
EVOL_CLK
16
17
SW_R
Y
13
37
38
3
4
33
34
34
49
7
6
13
12
8
C
11
R-ch
R-ch
R-ch
R-ch
10
22
23
1-IN
2
1+IN
3
2-IN
5
INR8
6
27
28
24
25
9
50
AUDIO AMP
IC101
R-ch
R-ch
R-ch
R-ch
R-ch
R-ch
R-ch
INL4
INR4
31
32
R-ch
R-ch
R-ch
7
5
1
3
14
LOUT 15
DA 13
CK 10
IIC/RDSI 8
6
7
FRF1
4
RY301
AEP, UK, AUS,
E12, TW
US, CND,
MX, BR
6LJQDOSDWK
: AUDIO
: TUNER
: MIC
5FKLVRPLWWHGGXHWR
: TUNER
: MIC
5FKLVRPLWWHGGXHWR
VDPHDV/FK
RELAY
DRIVER
Q301
1OUT
2OUT
LINE AMP
IC402
7
R-ch
DH750
DH750
>001B
ANALOG
VIDEO/USB
SECTION
(Page 18)
(Page 18)
>003B
DIGITAL
SECTION
(Page 16)
(Page 16)
>004B
AMP
SECTION
(Page 17)
(Page 17)
>002B
DIGITAL
SECTION
(Page 16)
(Page 16)
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