Marantz SR6011, Service Manual

Page: 97 / 197

NO
NO
NO
Is IC901 (TOP268EG) dam-
aged?
Is D9001 / D9002 / D9003 /
D9004 / IC901 damaged?
Repair the short circuited area
on the PCB.
Check the damaged parts.
Replace the damaged part.
Replace the damaged part.
Is the fuse (F9001) functioning
properly?
Are there any short circuits
caused by the soldering on
the PCB?
Are any parts damaged?
Replace the IC901 (TOP268VG)
and D9001 / D9002 / D9003 /
D9004.
DC 5V is not output.
Operation waveform for each part
A B C
A B C
SMPS unit
(Unloaded)
Set
YES
YES YES
YES
YES YES
6. SMPS
OPTION OPTION
A
C
220
~
240
V
:
100u
F
/400
V
A
C
100
~
120
V
:
220u
F
/200
V
HEATSINK
(16.5*16*30)
AC100 ~ 120V
AC220 ~ 240V OPEN
CCQF2E104KZE-T
HEATSINK
(15*17*30)
CMY6A025
CMY3A238
OPTION
O
P
T
IO
N
D F S C X V
O
P
T
IO
N
OPTION
C
900
7
O
PE
N
C
900
8
0.
1u
F
(1608
)
C
901
0
O
PE
N
R
900
6
1M
(1608
)
D9006 1N4007
D9005 1N4007
D9001 1N4007
D9002 1N4007
D9003 1N4007
D9004 1N4007
C
X
90
2
0.
1u
F
/275
VA
C
R
901
5
4.
7K
(1608
)
R
901
6
10
K
(1608
)
R
901
4
270
K
(1608
)
R
901
0
1M
R
900
8
2.
2M
Z
D
90
8
120
V
/5
W
R
900
9
2.
2M
Z
D
91
1
150
V
/5
W
C
901
2
2200p
/DC
1K
V
R
901
7
6.
8
C
901
7
47
/25
V
(N
XA
)
D
901
3
1N
400
7
Z
D
92
0
Z
39
V
C
901
6
0.
1u
F
(1608
)
D9008
1N4007
ZD918
Z27V
C
900
9
22
/50
V
(N
XA
)
C
901
8
0.
1u
F
(1608
)
C
901
9
4.
7u
F
(1608
)
C
902
0
5600u
F
/6
.3
V
C
902
1
5600u
F
/6
.3
V
C
902
2
5600u
F
/6
.3
V
C9028
2200pF/250V
C9029
0.1uF(1608)
R
901
9
3.
3K
(0
.2
W
)
R
901
8
56
(0
.2
W
)
1
2
3
ANODE
R
E
F
C
A
T
H
O
D
E
IC903
KIA2431AP
R9020
5.6K
C9024
0.1uF(1608)
R
902
1
22
K
-F
(1608
)
R
902
2
O
PE
N
(1608
)
D9011
OPEN
R
902
4
6.
8K
-F
2
3
1
D9012
FMW-4306
C9002
0.01uF/250V
C9003
0.01uF/250V
R9030
OPEN(1608)
C9030 OPEN(1608)
R
902
5
O
PE
N
C
900
4
100
/400
V
1
2 3
4
IC902
PC123Y22
ZD921
Z7.5V
C9031
OPEN
1 2 3 4 5 7
IC901
TOP268EG
1
2
3
4
5
6 7
8
9
10
11
12
T9001
J9001
OPEN
C9013
1000p/50V(3216)
C
901
4
1000p
/50
V
(3216
)
R9013
3216/22ohm
R
903
8
10
(3216
)
C
903
2
47p
F
/1
K
V
Z
D
91
7
Z
39
V
D9009
1N4007
R
904
3
10
K
1
2 3
4
IC905
PC123Y22
S
G
D
Q9001
INK0010AC1
BK903
CMD1A629
R
900
1
R
900
2
R
900
3
O
PE
N
C9033 OPEN(1608)
C9034 OPEN(1608)
J9008
C3A206
J9005
C3A206
J9009
C3A206
J9004
C3A206
J9010
C3A206
J9002
C3A206
J9011
C3A206
J9012
C3A206
C
903
9
O
PE
N
R
904
4
56
K
R
904
5
D9014
OPEN
CH
G
N
D
A
B
C
After primary side rectification
(Caution: High voltage, electric shock)
Primary drain
(Caution: High voltage, electric shock)
After secondary rectifications
97
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating