Denon avr-s720w, Руководство по обслуживанию

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SCH09_MAIN DAC
STBY POWER GND LINE POWER- LINE POWER+ LINE ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO
FROM PLD PART
FR
O
M
M
C
U
P
A
R
T
FR
O
M
A
U
D
IO
P
A
R
T
MAIN DAC PART
SR
SL
SW
C
FR
FL
SR
SL
SW
C
FR
FL
RSV2
RSV1
RSV2
RSV1
LRCK
BCK
RSV2
DIN1
DIN2
DIN3
DIN4
VDD
DGND
SCKI
RST
ZERO1
ZERO2
AMUTEI
AMUTEO
MD/SDA/DEMP
MC/SCL/FMT
MS/ADRO/RSV
TEST/ADR1/RSV
MODE
RSV2
VCC2
AGND2
RSV2
VOUT1-
VOUT1+
VOUT2-
VOUT2+
VOUT3-
VOUT3+
VOUT4-
VOUT4+
VOUT5-
VOUT5+
VOUT6-
VOUT6+
VOUT7-
VOUT7+
VOUT8-
VOUT8+
RSV2
AGND1
VCOM
VCC1
SBR
SBL
SBR
SBL
1 2 3 4
5 6 7 8
A
+
-
B
+
- A
O
U
T
PU
T
A
-I
N
PU
T
A
+
IN
PU
T
V
-
B
+
IN
PU
T
B
-I
N
PU
T
B
O
U
T
PU
T
V
+
IC
79
2
C
V
IN
JM
8080
G
R7911
15K(0.5%)
R7912
15K(0.5%)
R7918 470
R7915
470
R
791
4
12
K
(0
.5
%
)
R7917 12K(0.5%)
C7914
270P
C
791
3
270
P
R7919
100
R
792
4
12
K
(0
.5
%
)
R7925
470
C
792
3
270
P
R7926
470
R7927 12K(0.5%)
C7924
270P
R7929
100
R7921
15K(0.5%)
R7922
15K(0.5%)
C
791
1
1800
P
C
792
1
1800
P
R7916 150K
R
791
3
150
K
R
792
3
150
K
R7928 150K
1 2 3 4
5 6 7 8
A
+
-
B
+
-
A O
U
T
PU
T
A
-I
N
PU
T
A
+
IN
PU
T
V
-
B
+
IN
PU
T
B
-I
N
PU
T
B
O
U
T
PU
T
V
+
IC
79
3
C
V
IN
JM
8080
G
R7931
15K(0.5%)
R7932
15K(0.5%)
R7938
470
R7935
470
R
793
4
12
K
(0
.5
%
)
R7937 12K(0.5%)
C7934
270P
C
793
3
270
P
R7939
100
R
794
4
39
K
(0
.5
%
)
R7945
1K
C
794
3
150
P
R7946
1K
R7947 39K(0.5%)
C7944
150P
R7949
100
R7941
15K(0.5%)
R7942
15K(0.5%)
C
793
1
1800
P
C
794
1
1200
P
R7936 150K
R
793
3
150
K
R
794
3
120
K
R7948 120K
1 2 3 4
5 6 7 8
A
+
-
B
+
-
A
O
U
T
PU
T
A
-I
N
PU
T
A
+
IN
PU
T
V
-
B
+
IN
PU
T
B
-I
N
PU
T
B
O
U
T
PU
T
V
+
IC
79
4
C
V
IN
JM
8080
G
R7951
15K(0.5%)
R7952
15K(0.5%)
R7959
100
R7969
100
R7961
15K(0.5%)
R7962
15K(0.5%)
C7907
1uF
R7902
1K
C
790
3
0.
1u
F
C7916
100/63V
C7926
100/63V
C7993 0.1uF
C7994 0.1uF
C7995 1000P
C7996 1000P
C7997 1000P
C7998 1000P
C7999 1000P
C8000 1000P
R7905
OPEN
R7906
OPEN
C7915
OPEN
C7925
OPEN
C
793
5
O
PE
N
C
794
5
O
PE
N
C
795
5
O
PE
N
C
796
5
O
PE
N
C7992 0.1uF
C7991 0.1uF
C7910 0.1uF
C7909 0.1uF
C7908 0.1uF
R7908 0
R7907 0
D
A
D
A
T
A
F
D
A
256
FS
D
A
FS
D
A
64
FS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
IC791
CVIPCM1690DCAR
R7901 33
C7904
220/16V
C
790
5
1u
F
C
790
6
470
/50
V
C7901
1uF
C7902
47/63V
R7904
4K7
R7903
4K7
C
791
2
O
PE
N
C
792
2
O
PE
N
C
793
2
O
PE
N
C
794
2
O
PE
N
C
795
2
O
PE
N
C
796
2
O
PE
N
1 2 3 4
5 6 7 8
A
+
-
B
+
-
A
O
U
T
PU
T
A
-I
N
PU
T
A
+
IN
PU
T
V -
B
+
IN
PU
T
B
-I
N
PU
T
B
O
U
T
PU
T
V
+
IC
79
5
C
V
IN
JM
8080
G
R7971
15K(0.5%)
R7972
15K(0.5%)
R7978
470
R7975
470
R
797
4
12
K
(0
.5
%
)
R7977
12K(0.5%)
C7974
270P
C
797
3
270
P
R7979
100
R
798
4
12
K
(0
.5
%
)
R7985
470
C
798
3
270
P
R7986 470
R7987 12K(0.5%)
C7984
270P
R7989
100
R7981
15K(0.5%)
R7982
15K(0.5%)
C
797
1
1800
P
C
798
1
1800
P
R7976
150K
R
797
3
150
K
R
798
3
150
K
R7988
150K
C
797
2
O
PE
N
C
798
2
O
PE
N
C
797
5
O
PE
N
C
798
5
O
PE
N
T791
R7958 470
R7957 12K(0.5%)
R7956 150K
R7955
470
R
795
4
12
K
(0
.5
%
)
C
795
3
270
P
C
795
1
1800
P
R
795
3
150
K
C7954
270P
R
796
4
12
K
(0
.5
%
)
R7965
470
C
796
3
270
P
C
796
1
1800
P
R
796
3
150
K
R7966
470
R7967
12K(0.5%)
C7964
270P
R7968 150K
DA_DA
DA_CK
DA_MS
D
A
_Z
_M
U
T
E
FL- FL+
D
GN
D
DAC_MS
DAC_DATA
DAC_CLK
DAC_RST
-12V
+12V
DA+5V
AGND
DACSR
DACSL
DACSW
DACC
DACFR
DACFL
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
D
A
3.
3V
DACSBL
DACSBR
D
A
C
256
FS
D
A
C
D
A
T
A
SB
D
A
C
D
A
T
A
S
D
A
C
D
A
T
A
C
D
A
C
D
A
T
A
F
D
A
C
64
FS
D
A
C
FS
D
A
C
_Z
ER
O
_M
U
T
E
CH2:BCK
CH4:MCLK
CH3:DIN1
CH1:LRCK
(3) DAC input
2C
TO C2
9C
TO C9
D1
TO 1D
15
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating