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.
*OPTION
*OPTION
E3,K:100UF/200V
E1C,E2 :100UF/400V
*OPTION
*OPTION
*OPTION
VXCFD
S
S S S S S
R6004
330K
C6005
OPEN
C6006 OPEN
C6007 50V /0.1uF
C6009
50V/0.22uF
R6006
1M(1608)
D6006 1N4007
D6005 1N4007
D6001 1N4007
D6002 1N4007
D6003 1N4007
D6004 1N4007
CX602
OPEN
R6013
22K(1608)
R6014
1K(1608)
R6012
270K
R6010
1M(0.2W)
R6008
2.2M(0.2W)
ZD608
Z39V
ZD609
Z39V
ZD610
Z39V
R6009
2.2M(0.2W)
ZD617
Z22V
ZD616
Z22V
ZD615
Z22V
ZD614
Z22V
ZD613
Z22V
ZD612
Z22V
ZD611
Z22V
C6011
1KV/1000pF (SMD)
R6015
6.8(0.2W)
C6013
47/25V(NXA)
R6011
10(1608)
D6012
1N4007
ZD620
Z39V
C6012
0.1uF(1608)
D6007
1N4007
ZD618
Z27V
C6008
50V/10UF(NXA)
D6008
1N4007
C6014 0.1uF(1608)
C6015
4.7uF(1608)
C6017
OPEN
C6018 5600uF/6.3V(NXA)
C6019 5600uF/6.3V(NXA)
C6023
400V/2200pF
C6024 0.1uF(1608)
C6002 250V/0.01uF
C6003
250V/0.01uF
R6026
OPEN(1608)
C6025 OPEN(1608)
C6004
200V/100uF
R6031
1M(2125)
R6032
1M(2125)
R6033
1M(2125)
43
2
1
IC602
ZD621
Z7.5V
J6002
JUMPER
J6003
JUMPER
3
2
1
D6013
RBQ30T 65A
C6026
1KV/47pF
C6027
OPEN
C6028
OPEN
R6034
OPEN
12346
7
8 10
9 11 12
IC601
CVIT OP268VG
J6001
OPEN
ZD601
Z12V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
T6001
VLT9Z132ZW
BK603
CMD1A629
BRACK ET
S
G
D
Q6002
2N7002KA
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
NO
NO
NO
YES
YES
YES
YES
YES
YES
63
Caution in
servicing
Electrical Mechanical Repair Information Updating
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