47N-K
C900
7
O
PE
N
ZD
92
3
C901
6
O
PE
N
4.
7U-K
C901
9
5600
/6
.3(N
XA
)
C902
1
R9036
1M
OPTION
2M2
R9008
R900
4
330
K
C900
8
100N-
K
C900
6
100N-
K
10N-K
C901
0
R9037
1M
1M
R9035
C3A206
J9010
R901
6
10
K
4K
7
R901
5
OPTION
ZD
92
4
O
PE
N
O
PE
N
ZD
92
2
1N4007
D9008
R9014
270K
R9009
2M2
C3A206
J9005
ZD918
ZJ36B
ZD920
ZJ39B
ZD911
P6KE150A
UF4004
D9009
D9014
OPEN
C9028
2200PF/400V
BK903
M3
R900
1
O
PE
N
R900
2
O
PE
N
R900
3
O
PE
N
J9001
OPEN
R9026
10K
100N-K
C901
8
2
1
3
D9012
MBR3060PT
D900
6
1N400
7
C9039
OPEN
0.01UF/250V
C9002
R9010
1M
ZD
91
7
ZJ
39
B
C3A206
J9009
22/50(NXA)
C9009
C9031
OPEN
22-3216
R9013
1000P-J-3216
C9014
5600
/6
.3(N
XA
)
C902
2
1N4007
D9001
1N4007
D9002
OPTION
OPTION
C9033
OPEN
R9030
OPEN
C9029
100N-K
3
1
2
Q9001
INK0010AC1
OPTION
1N4007
D9003
1N4007
D9004
C9003
0.01UF/250V
C3A206
J9008
R9017
6R8
47PF/1KV-3216
C9032
AP01C-V1
D9013
P6KE120A
ZD908
4K7(0.2W)
R9027
Q9003
2SC3052
CHGND
D9010
1N4148
C9034
OPEN
C9030
OPEN
R9006
1M
1N400
7
D900
5
ZJ7.5B
ZD921
R904
3
10
K
47/25(NXA)
C9017
2 1
3
5
6
4
IC901
TOP268EG
X
F
S
D
C
V
R9038
10-1608
C900
4
220
/200(NH
A
)
6
5
4
1
8
9
12
2
3
7
10
11
T9001
E060283405540V
1000P-J-3216
C9013
5600
/6
.3(N
XA
)
C902
0
J9002
C3A206
J9012
C3A206
2200PF/1KV-3225
C9012
J9011
C3A206
2
1
3
4
PC17
K1(C
B:
130-260)-80
V
IC
90
5
3
4
JZC-36FD
RY901
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
6. SMPS
Is [IC901 : TOP268EG] damaged?
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 : TOP268EG
and D9001 / D9002 / D9003 /
D9004].
DC 5V is not output.
NO
NO
NO
YES
YES
YES
YES
YES
YES
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
90