Marantz AV7701, Руководство по обслуживанию

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111
D5.2V
D5.2V
DGND
DGND
MAINPOWER
TO
D
IG
IT
AL
S
UPP
LY
_P
OW
ER
(P
AG
E
16
)
BK903
CMD1A629
OP
TI
ON
OP
TI
ON
OP
TI
ON
D
S
C X
V
OP
TI
ON
AC
220
~240
V
:
100
uF
/400
V
AC
100
~120
V
:
100
uF
/200
V
ZD901
39V
ZD902
39V
ZD903
22V
ZD904
JUMPER
ZD905
JUMPER
ZD906
JUMPER
ZD907
JUMPER
R900
4
470
K(
0.
2W
)
C900
6
0.
1u
F(
1608
)
C900
7
0.
1u
F(
1608
)
C900
8
0.
1u
F(
1608
)
C901
0
0.
1u
F(
1608
)
R9005
47(1608)
Q9001
KTC3199Y
R900
6
1M
(1608
)
Q9002
KTC3199Y
R9002
1M(0.2W)
R9003
1M(0.2W)
D9006 1N4007
D9005 1N4007
LF902
LF-4ZB-E273H
D9001 1N4007
D9002 1N4007
D9003 1N4007
D9004 1N4007
CX
90
2
OP
EN
C900
4
100
uF
/400
V(
NH
A)
R9007
270K(1608)
R901
5
15
K(
1608
)
R901
6
1K
(1608
)
R901
4
270
K(
1608
)
R901
0
1M
(0
.2
W)
R900
8
2.
2M
(0
.2
W)
ZD
90
8
39
V
ZD
90
9
39
V
ZD
91
0
39
V
R900
9
2.
2M
(0
.2
W)
ZD
91
7
22
V
ZD
91
6
22
V
ZD
91
5
22
V
ZD
91
4
22
V
ZD
91
3
22
V
ZD
91
2
22
V
ZD
91
1
22
V
C901
2
1000
P/
1K
V
R901
7
6.
8(
0.
2W
)
C901
7
47
/25
V(
NX
A)
R901
3
10
(1608
)
D901
3
AP
01
C
1
2 3
4
IC902
PC123Y22
ZD
92
0
39
V
C901
6
0.
1u
F(
1608
)
D9008
1N4007
ZD918
22V
C900
9
10
/50
V(
NX
A)
D900
9
1N
400
7
C901
8
0.
1u
F(
1608
)
C901
9
4.
7u
F(
1608
)
C902
0
5600
uF
/6
.3
V(
NX
A)
C902
1
5600
uF
/6
.3
V(
NX
A)
C902
2
5600
uF
/6
.3
V(
NX
A)
C902
3
OP
EN
C9028
2200P 250V
C9029 0.1uF(1608)
R901
9
3.
3K
(0
.2
W)
R901
8
56
(0
.2
W)
1
2
3
ANODE
RE
F
CA
TH
OD
E
IC903
KIA2431AP
R9020
5.6K(0.2W)
C9024
0.1uF(1608)
R902
1
22
K-
F(
1608
)
R902
2
OP
EN
(1608
)
R902
3
OP
EN
(0
.2
W)
D9011 (OPEN)
R902
4
6.
8K
-F
C901
1
OP
EN
ZD
91
9
5.
6V
5
4
3
2
1
BN903
WIRE/5P/2.5mm
R9027
4.7K(1608)
1
3
2
D9012
SRL3060P
C9002
0.01uF 250V
C9003
0.01uF 250V
R9030 OPEN(1608)
C9030 OPEN(1608)
1
2
3
4
5
6
7
8
10
11
T9001
ST-4430A
9 10 8 7 6
5 3 2 1
IC901 TOP258MG
R902
5
1M
(1608
)
After primary side rectification
(Caution: High voltage, electric shock)
Primary drain
(Caution: High voltage, electric shock)
After secondary rectifications
Operation waveform for each part
A B C
A B C
SMPS unit
(Unloaded)
Set