6.8
R6516
330K
R6507
R6514
56K
R6512
2.2M
R6510 8.2K
C6520
3300P/250V
RK7002B
Q6501
D6510
UDZSTE-1730B
R6511
2.2M
C6522
OPEN
R6509 3.9K
C6515
47/25
C6519
22/50
D6502
1N4007-
T
C6
516
0.1
D6514
1N4003
D6513
1N4007-
T
D6501
1N4007-
T
R6508
1M
OPEN
R6518
UDZS6.8B
D6507
1M
R6504
1M
R6505
1M
R6506
KCQ60A06
D6515
R6522
56
150/400
C6
506
C6
51
7
2700P/1
000
D3SB60
D6503
C6511 0.01/250V
C6512 0.01/250V
D6522
1N4007-
T
100
R6515
D6511 ZJ39B
SW_TRANS(STR28L-278)
T6501
4700P
C6532
FG1
1500/10
C6
526
TOP267EG
U6503
U6501
PC123X2YFZ1B
R6531
OPEN
C6521
OPEN
R6523
3.3K
U6501
PC123X2YFZ1B
1K
R6533
Z6516
3X10_CBTS(S)-Z
UNFIX110157Z1
HEAT_SINK(SMPS)-A
Z6515
D6525
ZJ39B
SHORT
J6501
D6512 P6KE150A
10K
R6549
U6504
PC123X2YFZ1B
C6
509
0.1
C6
510
0.1
4700P
C6536
OPEN
R6550
0.1/250V
C6
541
3900/10
C6
525
1000P
C6
524
4.7u
C6
543
4.7u
C6
544
4.7u
C6
545
4.7u
C6
528
22
R6513
44741010600AS
HEATSINK
Z6503
R6534
OPEN
R6538
0
R6535 OPEN
C6
504
OPEN
C6
507
OPEN
C6
508
OPEN
1SR154
D6526
D6527 1N4003
D
1
G
2
S
3
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
1
2
(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
94