Denon avr-s720w, Руководство по обслуживанию

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NO
NO
NO
Is IC601(TOP268VG) dam-
aged?
Is D6001/ D6002 / D6003 /
D6004 damaged?
Repair the short circuited area
on the PCB.
Replace the damaged part.
Replace the damaged part.
Is the fuse (F6001) functioning
properly?
Are there any short circuits
caused by the soldering on
the PCB?
Are any parts damaged?
Replace the IC601(TOP268VG)
and D6001/ D6002 / D6003 /
D6004.
DC5.2V is not output.
*OPTION
*O
PT
IO
N
E3
,K
:100
U
F/
200
V
E1
C
,E
2
:100
U
F/
400
V
OPTION
*OPTION
*O
PT
IO
N
V X C F D
S S S S S S
R
600
4
330
K
C
600
5
O
PE
N
C
600
6
O
PE
N
C
600
7
50
V
/0
.1
uF
C
600
9
50
V
/0
.22
uF
R
600
6
1M
(1608
)
D6006 1N4007
D6005 1N4007
D6001 1N4007
D6002 1N4007
D6003 1N4007
D6004 1N4007
C
X60
2
O
PE
N
R
601
3
22
K
(1608
)
R
601
4
1K
(1608
)
R
601
2
270
K
R
601
0
1M
(0
.2
W
)
R
600
8
2.
2M
(0
.2
W
)
ZD
60
8
Z39
V
ZD
60
9
Z39
V
ZD
61
0
Z39
V
R
600
9
2.
2M
(0
.2
W
)
ZD
61
7
Z22
V
ZD
61
6
Z22
V
ZD
61
5
Z22
V
ZD
61
4
Z22
V
ZD
61
3
Z22
V
ZD
61
2
Z22
V
ZD
61
1
Z22
V
C
601
1
1K
V
/1000
pF
(
SM
D
)
R
601
5
6.
8(
0.
2W
)
C
601
3
47
/25
V
(N
XA
)
R
601
1
10
(1608
)
D
601
2
1N
400
7
ZD
62
0
Z39
V
C
601
2
0.
1u
F(
1608
)
D6007
1N4007
ZD618
Z27V
C
600
8
50
V
/10
U
F(
N
XA
)
D6008
1N4007
C
601
4
0.
1u
F(
1608
)
C
601
5
4.
7u
F(
1608
)
C
601
7
O
PE
N
C
601
8
5600
uF
/6
.3
V
(N
XA
)
C
601
9
5600
uF
/6
.3
V
(N
XA
)
C6023
250V/2200pF
C6024 0.1uF(1608)
R
601
7
3.
3K
(0
.2
W
)
R
601
6
56
(0
.2
W
)
5.6K(0.2W)
C6002 250V/0.01uF
C6003
250V/0.01uF
R6026
OPEN(1608)
C6025 OPEN(1608)
C
600
4
200
V
/100
uF
R
603
1
1M
(2125
)
R
603
2
1M
(2125
)
R
603
3
1M
(2125
)
4
3 2
1
IC602
ZD621
Z7.5V
J6002
JUMPER
J6003
JUMPER
D
G
S
Q6002
INK0010AC1
3
2
1
D6013
RBQ30T65A
C
602
6
1K
V
/47
pF
C6027
OPEN
C
602
8
O
PE
N
R6034
OPEN
1 2 3 4 6
7
8 10 9 11 12
IC601
CVITOP268VG
J6001
OPEN
ZD601
Z12V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
T6001
VLT9Z132ZW
BK603
CMD1A629
BRACKET
A
B
C
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
YES
YES YES
YES
YES
6. SMPS
71
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating