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Circuit Diagrams and PWB Layouts
10. Circuit Diagrams and PWB Layouts
Power Supply Unit 32"
32" Power Supply Unit
A01
PFC-OUTPUT
H
G
2
H
G
1
D753
D751
1N4148W
R752
1N4148W
R756
680
Q708
Q706
R707
R701
680
68
68
ZD703
ZD701
24V
24V
R723
R710
10K
ZD707
10K
ZD705
HS2
24V
24V
HS1
L
G
2
L
G
1
D757
D755
1N4148W
1N4148W
HS1
R762
R759
R711
Q709
R704
Q707
680
680
HG1
68
68
ZD704
ZD702
LG1
24V
24V
R726
R713
10K
ZD708
10K
ZD706
24V
24V
HS2
HOT_GND
HOT_GND
:
HG2
LG2
COLD_GND
COLD_GND
:
HOT
BD601
RS205M
!
AC2
3
TH101
3ohm 15D
4
1
!
C601
AC1
2
0.47UF/500V
!
GND_BD601
LF103
!
R605
SQE2020
33K
3
1
VCC
4
2
C608
5pF
!
!
CY103
CY104
SCY99102
330pF/250V
330pF/250V
COLD
C602
104
!
CX102
0.68uF/275V
!
LF102
SQE2020
3
1
4
2
AC_DET
FB101
FB102
GND_PFC
D501
BFS3550A
BFS3550A
UF4007
!
!
!
COLD
CX101
0.22uF/275V
3
1
!
LF101
CV335022SS
R505
4
2
56K
R102
!
750K/1W
C501
R506
ZD501
1uF/50V/WL
C502
10K
NC
NC
R506A
!
VA101
10K
TVR14621KSY
FH101
FB58 FUSE HOLDER
!
F101
T3.15AH 250V
!
CN1(1308)
AC-inlet
Live
Neutral
RAM1.0A LA
C406
CN2
!
54pF/6.3KV
C404
B03B PASK 1
103
!
CN3
C401
54pF/6.3KV
B03B PASK 1
C402
!
T701
103
4
1
5
D403
6
IS
10
BAV99
C
7
R441
AC
UU2758
R444
R447
A
47R 2012
47R 2012
47R 2012
R442
R445
R448
47R 2012
47R 2012
47R 2012
R446
R449
R443
47R 2012
47R 2012
47R 2012
IM
!
BAV99
C
T702
C430
AC
R453
R456
R438
A
8
105/25V/2012
D404
1
HDR1
47R 2012
47R 2012
47R 2012
7
R457
R454
R439
6
47R 2012
47R 2012
47R 2012
4
LDR1
R455
R458
R440
5
47R 2012
47R 2012
47R 2012
UU1116
VREF
IM
!
C431
R424
T703
105/25V/2012
8
15K
1
HDR2
R425
7
D
D426
4.7K
R423
G
6
Q431
4
LDR2
1N4148W
30K
5
R426A
2N7002A
R426
S
C426
COLD
1M
3K
UU1116
225
D601
PFC-OUTPUT
1N5397
FB601
BFS3550A
D602
C607
C611
C607A
SUR460
10nF/1kV
47uF/450V/WL
47uF/450V/WL
C103
100pF/1kV
L601
EE2020
R615
Q602
2M/2012
TK5P50D
R609
D
ZD103
100/2012
R616
7.5V
2M/2012
R608
D603
R617
1N4148W
10/2012
2M/2012
R618
2M/2012
R603
3.3K
R613
0.36/2W
HOT_GND
D502
1N4148W
R508
D503
560K
NC
R509
D
R510
100K
Q502
4.7K
G
Q503
2N7002A
D
2N7002A
G
C503
S
C505
R507
101
C504
105/2012
82K
S
105/2012
Q504
D
2N7002A
D
G
G
Q501
S
S
2N7002A
10.
EN 44
R408
R410
R401
D405
VREF
0R0
120K
1M
1N4148W
R405
SSTCMP
120K
C405
D402
C409
R406
BAV99
N.C
103
1M
C
C
Q418
AC
B
A
KST2222A
E
D401
R411
R413
C410
BAV99
103
0R0
120K
C
AC
A
C403
R414
N.C
120K
DIM1
D406
1N4148W
R417A
R417B
R467
2.7K
0R0
6.2K
ISEN
I_Up
VREF
R418C
R418E
0R0
NC
R467A
R417
R417C
10K
R418D
R418F
C467
68K
NC
300
225/2012
820R
I_Down
Q467
R418
C419
R467C
2N7002A
102
820R
0R0
R418G
R467B
D467
300R
1N4148W
1M
Current F/B
D430
1N4148W
+12V
VREF
R435
A
K
C435
D431
D
180R/2012
LTST-C930TBKT-LG
225/2012
Q432
G
STATUS
R432
2N7002A
D434
180R/2012
S
C423
R434
1N4148W
2.2M
104
LED Block
R436
R437
180R/2012
180R/2012
T201
R103
R104
!
EE2821
47K/3W
47K/3W
1
10
C102
9
2.2nF/630V
R101A
100K/1W
2
7
D101
U101
4
6
UF4007
FSQ0465R
C101
6
1
VSTR
DRAIN
5
8
10nF/1kV
C110
R106
5
SYNC
100pF/1KV
1K/2012
4
3
VFB
VCC
!
GND
D103
D102
R105
UF4007
2
CY202
1N4148W
10-1/2W fusible
FB201
220pF/250V
BFD3565R
C105
R107
C108
47uF/50V/MK
CY201
!
12K
56pF
680pF/250V
C109
474
MULTI_400
!
C130
R130
104
2.2K
CY203
Q130
220pF/250V
KST2907A
R131
C104
0R0
R132
22uF/50V/WL
ZD130
24V
0R0
R133
C131
104
2.2K
PC101
EL817MCDT
4
3
R108
36K
PC102
VCC
R109
Q101
2.2K
R110
KST2222A
4
1
D104
10K
3
2
NC
EL817MCDT
Q203
KST2222A
ZD102
16V
PC103
EL817MCDT
R111
!
R241
5.6K
1K
1
4
2
3
!
CY105
100pF/250V
FB606
FB607
BFS3550R
BFD3565R
2010-Mar-12
PROT
INV_ON/OFF
R402
U401
R431
1M
OZ9977B_1
C412
C412A
2K
LDR1
105/2012
105/2012
1
VCC
LDR1
20
HDR1
2
19
ENA
HDR1
VREF
HDR2
C431A
3
18
R431A
VREF
HDR2
103
C411
20K
LDR2
105/2012
4
17
UVLS
LDR2
5
16
PWM
GNDP
R480
DIM
6
15
NC
TIMER
100K
7
14
STATUS
SSTCMP
R420
ISEN
8
13
10K
GNDA
ISEN
CT
9
12
CT
VSEN
R408S
C418
UVLS
10
RT1
PROT
11
PROT
473
C418A
R420A
27K
223
C413
R429
C407
200K
C420A
104/50V
103
3.6K
104
12V
R409B
4.7K
DIS-ARC
C408
C408A
D
2.2uF
2.2uF
Q402
G
DIS-ARC
2N7002A
R409
C490
S
220K
D491
102
ENA
D
IM
D413
Q402A
1N4148W
G
R490A
2N7002A
1N4148W
D492
330
S
100uH/2012
IS
1N4148W
C207
R207
24/1W
470pF/1KV
5VS
L201
0.6UH
+5V
C210
C209
D202
C208
2200uF/10V/WL
470uF/10V/MK
2200uF/10V/WL
MBR20100CT
C201
R201
470pF/1KV
24/1W
Q201
D201
FQPF13N06
D221
SB3200
ZD220
C203
15V
C202
1N4148W
D203
1000uF/25V/WB
1000uF/25V/WB
SB3200
R225
D222
9.1K/2012
R219
R224
1N4148W
R226
150K
180R
1.6K/2012
DRIVE
C221
R238
R220
104
100K/2012
R222
D220
R221
33/3216
20K
US1J
100K
C220
U202
10uF/50V/WL
KIA431BM
R233
91K
C206
+5V
C206A
225/2012 25V
R227
225/2012 25V
5VS
2.7K/2012
R211
DRIVE
240R
R208
R212
R209
51
R228
R231
2.7K
560
0R0
1
100K
2
R210
C211
C
100K
104
Q221
B
KST2222A
U201
R213
R230
C223
E
KIA431A
2.4K
100K
104
C
R214
Q220
B
STANDBY
KST2222A
100R
R232
E
OVP
10k
R215
470
STANDBY
R217
R216
C212
4.7K
220K
104
32" PSU
A01
12V
R412
2R2/2012
VREF
R408E
Freq
VREF
R408A
R408C
NC
Up
Freq
Up
0R0
0R0
R415
R408F
R408D
R408B
470K
82K
180K
9.1K
R421
20K
SSTCMP
R421A
3.9K
CT
C415
475/2012
C421A
C421B
C421
221/COG
271/COG
181/COG
UVLS
R499A
0R0
R499
C492
47K
473
Q411
B
KST2907A
R494
1K
R496
0R0
D
R491
Q410
G
KST2222A
9.1K
L490
R490
S
C491
30K
102
L1
0.6UH
+12V
C205
470uF/25V/MK
CN4(1M95)
ST3V3
1
3V3 stdby
2
Standby
STANDBY
3
GND
4
GND
5
GND
6
5V
5V
7
5V
8
5V
9
12V
10
GND
11
NC
CN5(1M99)
12V
1
+12V
2
+12V
3
GND1
4
GND1
5
INV_ON/OFF
BL_ON_OFF
DIM
6
DIM
7
Boost
ADIM
8
NC
9
POK
STATUS
10
NC
11
NC
12
NC
2010-02-10
PLHC-A961A
18930_560_100315.eps
100315
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