Read Sony STR-DH740 Service Manual online
STR-DH740
STR-DH740
15
15
5-1. BLOCK DIAGRAM – ANALOG AUDIO Section –
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
12
TUN_RDS_SIGNAL
AM
FM RECEIVER
IC101
ROUT
FM
75ȍCOAXIAL
ANTENNA
ARF1
ARF2
SBLIN
-2
OUT2
SBRIN
-1
OUT1
INL9
INR9
INL7
INR7
INL11
INR11
ADCROUT
ADCLOUT
SWOUT
COUT
SROUT
SLOUT
SBROUT
SBLOUT
FROUT
FLOUT
LINE AMP
IC412
66
6
2
1
67
7
R-ch
R-ch
R-ch
SL
SBL
FL
L-IN
INL3
INL4
INR4
INR3
DIR FUNCTION SELECT
IC400
SBL OUT
SLIN
-2
OUT2
SRIN
-1
OUT1
LINE AMP
IC411
68
6
2
1
69
7
R-ch
R-ch
R-ch
SL OUT
CIN
-2
OUT2
SWIN
-1
OUT1
LINE AMP
IC413
70
6
2
1
71
7
C OUT
SW OUT
INL1
-2
OUT2
INR1
-1
OUT1
LINE AMP
IC410
63
6
2
1
64
7
R-ch
R-ch
R-ch
FL OUT
SYSTEM
CONTROL
IC2100 (1/6)
11
TUNER_MOSI
10
TUNER_CLK
EV
O
L_
D
ATA
D
ATA
CLK
DCAC_MUTE
EVOL_CLK
3
2
ZONE2_PREOUT_SW_R
Y
89
69
57
58
10
11
59
60
60
75
14
13
20
19
15
C
18
R-ch
R-ch
R-ch
R-ch
17
43
44
51
52
47
48
16
76
AUDIO AMP
IC100
R-ch
R-ch
R-ch
R-ch
R-ch
R-ch
R-ch
INL10
INR10
45
46
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, TW, AUS
MX, US, CND
6LJQDOSDWK
: AUDIO
: TUNER
: MIC
5FKLVRPLWWHGGXHWR
: TUNER
: MIC
5FKLVRPLWWHGGXHWR
VDPHDV/FK
DIGITAL
SECTION
(Page 16)
(Page 16)
DIGITAL
SECTION
(Page 16)
(Page 16)
MUTE
SWITCH
Q100
MUTE
DRIVER
Q101
A
AMP
SECTION
(Page 17)
(Page 17)
B
C
RELAY
DRIVER
Q301
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