Denon AVR-X3500H Service Manual page 90

6. SMPS
DC 5V is not output.
YES
Replace the [IC901 : TOP268EG
Is [IC901 : TOP268EG] damaged? and D9001 / D9002 / D9003 /
D9004].
NO
YES
Is the fuse [F9001] functioning Is [D9001 / D9002 / D9003 /
properly? D9004 / IC901] damaged?
NO
YES
Are there any short circuits
Repair the short circuited area
caused by the soldering on the
on the PCB.
PCB?
NO
YES
Are any parts damaged? Check the damaged parts.
Operation waveform for each part
YES
Replace the damaged part.
YES
Replace the damaged part.
SMPS unit
(Unloaded)
Set
90
A
After primary side rectification
(Caution: High voltage, electric shock) (Caution: High voltage, electric shock)
D9002 1N4007
J9008 OPTION OPTION
D9001 1N4007 C3A206
C9002 0.01UF/250V
R9008
2M2
ZD911
D9003 1N4007 ZD908
P6KE150A
P6KE120A R9009
D9004 1N4007 2M2
C9003 0.01UF/250V
R9010
1M
C9032
47PF/1KV-3216
R9035
1M
R9036
1M
D9008 ZD918
R9037
1N4007 ZJ36B
1M
ZD920
R9014
ZJ39B
270K
J9009
IC901
OPTION
TOP268EG C3A206
J9005
C3A206
6 5 4 3 2 1
OPTION
R9017
6R8
ZD921
ZJ7.5B
C9017
OPTION
47/25(NXA)
1
3
2
R9006 Q9001
1M INK0010AC1
C9039 J9010
OPEN
C3A206
A B
A B
B
Primary drain
C
After secondary rectifications
C9012
2200PF/1KV-3225
D9012
MBR3060PT
3
1
2
C9014
R9013
R9038 1000P-J-3216
22-3216
10-1608
T9001
C9013
E060283405540V
1000P-J-3216
1 12
D9013
AP01C-V1
J9001
2 11
OPEN
10
3
4 9
8
D9009 5
UF4004
7
6
4 D9014
OPEN
3
C9009
22/50(NXA)
C9029 100N-K
C9028
R9030 OPEN
2200PF/400V
C9030 OPEN
J9012
C9031 C9033 OPEN
CHGND
BK903
J9011
OPEN
M3
C9034 OPEN J9002
RY901 D9010
1N4148
JZC-36FD
4
3
Q9003
R9027
2SC3052
4K7(0.2W)
R9026
10K
C
C
C3A206
C3A206
C3A206