Denon AVR-X8500H - Page 93

6.8
R6516
R6514
56K
R6512
2.2M
R6510
8.2K
C6520
3300P/250V
D6510
UDZSTE-1730B
R6511
2.2M
C6522 OPEN
R6509
3.9K
C6515
47/25
C6519
22/50
C6516
0.1
D6514
1N4003
D6513
1N4007-T
OPEN R6518
KCQ60A06
D6515
R6522
56
150/400
C6506
C6517
2700P/1000
D3SB60
D6503
C6511
0.01/250V
C6512
0.01/250V
D6522
1N4007-T
100
R6515
D6511
ZJ39B
SW_TRANS(STR28L-278)
T6501
4700P
C6532
3900/10
C6526
TOP267EG
U6503
U6501
PC123X2YFZ1B
R6531C6521
R6523
3.3K
U6501
PC123X2YFZ1B
1K
R6533
Z6516
3X10_CBTS(S)-Z
UNFIX110157Z1
HEAT_SINK(SMPS)-A
Z6515
D6525 ZJ39B
SHORTJ6501
D6512
P6KE150A
10K
R6549
4700P
C6536
OPEN
R6550
3900/10
C6525
1000PC6524
4.7u
C6543
4.7u
C6544
4.7u
C6545
4.7u
C6528
22
R6513
44741010600AS
HEATSINK
Z6503
R6538
0
R6535
OPEN
1SR154
D6526
D6527
1N4003
Z9000
SHIELD_CASE
Z9001
RUBBER_FORM
3
1
2
1
2
3
4
4
10
8 7
3
1
11
6
5
V
1
X
2
C
3
F
4
S
5
D
7
2 12
12
(1/2)
Europe/China=OPEN
(2/2)
(2.2M)
(2.2M)
A
B
C
After primary side rectification
(Caution: High voltage, electric shock)
Primary drain
(Caution: High voltage, electric shock)
After secondary rectifications
A B C
A B C
SMPS unit
(Unloaded)
Set
NO
NO
NO
Is [U6503 : TOP267EG] dam-
aged?
Is [U6503(TPO267EG), D6503,
C6506] damaged?
Repair the short circuited area
on the PCB.
Check the damaged parts.
Replace the damaged part.
Replace the damaged part.
Is the fuse [F70] functioning
properly?
Are there any short circuits
caused by the soldering on
the PCB?
Are any parts damaged?
Replace the [U6503 :
TOP267EG] and [D6503].
DC 5V is not output.
Operation waveform for each part
YES
YES YES
YES
YES YES
6. SMPS
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
93