Denon AVR-X250BT, Руководство по обслуживанию

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Is [IC601 : TOP268VG] damaged?
Is [D6001, D6002, D6003, D6004]
damaged?
Repair the short circuited area
on the PCB.
Check the damaged parts.
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].
DC 5V is not output.
Operation waveform for each part
A B C
A B C
SMPS unit
(Unloaded)
Set
6. SMPS
NO
NO
NO
YES
YES
YES
YES
YES
YES
*OPTION
*OPTION
E3
,K
:100
UF
/200
V
E1
C,
E2
:
100
U
F/
400
V
*OPTION
*OPTION
*O
PT
IO
N V X C F D
S
S S S S S
**OPTION
R
600
4
330
K
C
600
5
O
P
E
N
C
600
6
O
P
E
N
C
600
7
50
V
/0
.1
u
F
C
600
9
50
V
/0
.22
u
F
R
600
6
1
M
(1608
)
D6006 1N4007
D6005 1N4007
D6001 1N4007
D6002 1N4007
D6003 1N4007
D6004 1N4007
C
X
60
2
O
P
E
N
R
601
3
22
K
(1608
)
R
601
4
1
K
(1608
)
R
601
2
270
K
R
601
0
1
M
(0
.2
W
)
R
600
8
2
.2
M
(0
.2
W
)
Z
D
60
8
Z
39
V
Z
D
60
9
Z
39
V
Z
D
61
0
Z
39
V
R
600
9
2
.2
M
(0
.2
W
)
Z
D
61
7
Z
22
V
Z
D
61
6
Z
22
V
Z
D
61
5
Z
22
V
Z
D
61
4
Z
22
V
Z
D
61
3
Z
22
V
Z
D
61
2
Z
22
V
Z
D
61
1
Z
22
V
C
601
1
1
K
V
/1000
p
F
(S
M
D
)
R
601
5
6
.8
(0
.2
W
)
C
601
3
47
/25
V
(N
X
A
)
R
601
1
10
(1608
)
D
601
2
1
N
400
7
Z
D
62
0
Z
39
V
C
601
2
0
.1
u
F(
1608
)
D6007
1N4007
ZD618
Z27V
C
600
8
50
V
/10
U
F(
N
X
A
)
C
601
4
0
.1
u
F(
1608
)
C
601
5
4
.7
u
F(
1608
)
C
601
7
100
/50
V
C
601
8
5600
u
F/
6
.3
V
(N
X
A
)
C
601
9
5600
u
F/
6
.3
V
(N
X
A
)
C6023
400V/2200pF
C6024 0.1uF(1608)
R
601
7
3
.3
K
(0
.2
W
)
R
601
6
56
(0
.2
W
)
C
A
T
H
O
D
E
R
E
F
ANODE
3
2
1
IC603 KIA2431AP
R6018
5.6K(0.2W ) C6020
0.1uF(1608)
R
601
9
22
K
/F
(1608
)
R
602
0
O
P
E
N
(1608
)
R
602
1
O
P
E
N
(0
.2
W
)
D6010 OPEN
R
602
2
6
.8
K
/F C
601
0
O
P
E
N
Z
D
61
9
Z
6
.8
V
C6002 250V/0.01uF
C6003
250V/0.01uF
R6026
OPEN(1608)
C6025 OPEN(1608)
R
602
3
O
P
E
N
C
600
4
200
V
/100
u
F
R
603
1
1
M
(2125
)
R
603
2
1
M
(2125
)
R
603
3
1
M
(2125
)
1
2 3
4
IC602
EL817-B
ZD621
Z7.5V
J6002
JUMPER
J6003
JUMPER
1
2
3
D6013
RBQ30T65A
C
602
6
1
K
V
/47
p
F
C6027
OPEN
C
602
8
O
P
E
N
R6034
OPEN
12 11 9 10 8 7
6 4 3 2 1
IC601
CVITOP268VG
J6001
OPEN
C6029
1
5 4
2
OU
T
CD
G
N
D
V
D
D
N
C
3
IC604
CVIPST8448NR_A
C
603
0
15
N
(1608
)
ZD601
Z12V
1
2
3
4
5
6
7 8
9
10
11
12
13
14
T6001
VLT9Z132ZW
BK603
CMD1A629
BRACKET
S
G
D
Q6002
2N7002KA
D6008
UF4004
A B C
After primary side rectification
(Caution: High voltage, electric shock)
Primary drain
(Caution: High voltage, electric shock)
After secondary rectifications
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
66