47N-KC9007
OPENZD923
C9016 OPEN
4.7U-KC9019
5600/6.3(NXA)C9021
R9036
1M
OPTION
2M2
R9008
R9004 330K
C9008 100N-K
C9006 100N-K
10N-KC9010
R9037
1M
1M
R9035
C3A206
J9010
R9016
10K4K7
R9015
OPTION
ZD924 OPEN
OPENZD922
1N4007
D9008
R9014
270K
R9009
2M2
C3A206
J9005
ZD918
ZJ36B
ZD920
ZJ39B
ZD911
P6KE150A
UF4004
D9009
D9014
OPEN
C9028
2200PF/400V
BK903
M3
R9001
OPEN
R9002
OPEN
R9003
OPEN
J9001
OPEN
R9026
100N-KC9018
2
1
3
D9012
MBR3060PT
D9006
1N4007
C9039
OPEN
0.01UF/250VC9002
R9010
1M
ZD917
ZJ39B
C3A206
J9009
22/50(NXA)
C9009
C9031
OPEN
22-3216
R9013
1000P-J-3216
C9014
5600/6.3(NXA)C9022
1N4007D9001
1N4007D9002
OPTION OPTION
C9033 OPEN
R9030 OPEN
C9029 100N-K
3
1
2
Q9001
INK0010AC1
OPTION
1N4007D9003
1N4007D9004
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
1N4007
ZJ7.5B
ZD921
R9043
10K
47/25(NXA)
C9017
2 1356 4
IC901
TOP268EG
X
F
S
D
C
V
R9038
10-1608
C9004
220/200(NHA)
6
5
4
1
8
9
12
2
3
7
10
11
T9001
E060283405540V
1000P-J-3216
C9013
5600/6.3(NXA)C9020
J900
J901
2200PF/1KV-3225
C9012
J901
2
1
3
4
PC17K1(CB:130-260)-80V
IC905
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