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APPROVAL SHEET
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PART NO. BN44-00249C PUB. DATE 2009.04.15
MODEL NAME PWI1902SS(A) REV. DATE 2009.04.15
3. Circuit Diagram
Page Rev. 1.0 Page
14
Page 2
5
4
3
2
1
F201
4.0AL/125V
D D
BD101
+
!
CX102
0.1uF/275VAC
C C
!
CY101
1000pF/250VAC-Y1
!
2
LF101
1
1420400
-
!
!
CY102
1000pF/250VAC-Y1
4
3
D2SB60
1.5A/ 600V
H/S1
!
C101
68uF/450V
(CD263,KMF,WL)
!
U101
DRAIN
1
GND
FSFM260
VstrILIM
VCC
R104
24K
(3216)
R105
24K
(3216)
R106
24K
(3216)
54
6,7,8
2
3
FB
C105
ZD102
100n/50V
1N5250B
K,X7R
(20V)
(1608)
!
R102
470K
(3216)
CX101
0.47uF/275VAC
VX101
10 751
2
FG
R103
470K
(3216)
TH101
5D-8
3
NEUTRAL
R111
R109
N.A
!
F.G
P-GND
C103
33n/50V
K,X7R
(1608)
ZD101
1N5242B
(12V)
!
R101
470K
(3216)
!
B B
!
F101
T3.15AL/ 250V
!
1
LIVE
IN101
ST-01AY
HOT COLD
TF101
1400267
(EER3016)
!
!
CY103
3300pF /
250VAC-Y1
10
C200
9
8
6,7
C102
1000pF
400V
C106
N.A
C104
47uF
50V
(WF,NXA)
10
(1608)
FB101
BSF3550
D102
1N4007
R107
47K
2W
MINI
D101
UF4007
R108
0
(3216)
1
4
5
3
2
PC101
LTV817
!
N.A
C301
SR506A
D201
SR310-15
D203
C302
N.A
R203
620
(1608)
N.A
R200
N.A
R201 N.A
R204
300
(1608)
C204
10uF/50V
(WF,NXA)
C209
470uF/25V
(NXB,MK)
C201
1000uF/10V
(NXB,MK)
470uF/25V
(NXB,MK)
R206
7.5K
(1608)
U201
FAN431A
C206
L101
BSF3550
C208
100n/50V
K,X7R
(1608)
C207
470uF/25V
(NXB,MK)
R205
5.1K/F
(1608)
R208
4.75KF
(1608)
330uF/25V
(WL,LXZ)
C203
S-GND
15V/1.0A
15V/0A
R202
N.A
GND
5V/1.1A
CN201
A600237
C205
100uF/16V
(RD,KMG)
INVERTER
1
2
3
4
5
6
7
8
9
10
11
12
3.3V
LED
KEY1
KEY2
GND
B-DIM
A-DIM
ON/OFF
CN202
5
4
31
2
SMAW200A-05
C210
10n/50V
K,X7R
(1608)
A A
Title
Size Document Number Rev
A3
5
4
3
2
Date: Sheet of
PWI1902SS(A)
POWERNET
1
11Tuesday, March 17, 2009
1.0
Page 3
5
D D
4
3
2
1
+15V
C7
R1
3.9K/F
(1608)
Q1
MMBT3904
(SOT23)
1uF/25V
Z,Y5V
(2012)
R8
510/F
(1608)
ZD1
5.6V
(SOT23)
R3
NA
C5
C4
1uF/16V
Z,Y5V
(1608)
C3
1n/50V
K,X75
(1608)
2.2uF/16V
K,X5R
(1608)
R7
30K
(1608)
R5
27K
(1608)
C C
R2
BDIM(0~4.5V)
B B
ON/OFF
R12
0/J
(1608)
10K/J
(1608)
100K/J
(1608)
R13
10K
(1608)
R4
R6
10K
(1608)
U1
DRV1
VDDA
TIMER
DM
ISEN
VSEN
OVPT
NC
OZ9938_B1
C11
47n/50V
K,X7R
(1608)
P_GND
DRV2
GND_A
SETCMP
LCT
ENA
CT
NC
R15
9.1M
(1608)
R9
82K/F
(1608)
VSEN
R10
2M
(1608)
C13A
C13
C14 220p/50V
C8A N.A
R17
360K/F
(1608)
C8 N.A
C16
C17
R11
1K
(1608)
Q4
2N7002
(SOT23)
J,COG
(1608)
1n/50V
J,X7R
(1608)
1n/50V
K,X7R
(1608)
C15
47n/50V
K,X7R
(1608)
Q5
MMBT3904
(SOT23)
Q6
MMBT3906
(SOT23)
R14
100/F
(1608)
10p/50V
J,COG
(1608)
10p/50V
J,COG
(1608)
C10
2.2n/50V
K,X7R
(1608)
STM8309T
3
U2
4
C32
N.A
T1
VSEN
BAV99
(SOT23)
C22
5p/3KV
D1
VSEN
C26
6.8n/50V
J/(1608)
BAV99
(SOT23)
D2
C21
3p/3KV
C25
4.7n/50V
J/(1608)
FB
BAV99
(SOT23)
D4
CCFL1
R22
1K/F
(1608)
FB
BAV99
(SOT23)
D3
CCFL2
CN2CN1
R21
1K/F
(1608)
5,6,7,8
10uF/16V
K,X5R
(3225)
2
C19
1
DCR
A A
R20
10K
(1608)
10n/50V
K,X7R
(1608)
5
C6
Q7
MMBT3904
(SOT23)
C12
0.22uF/50V
K,X7R
(1608)
C9
220p/50V
K,X7R
(1608)
R16
47K/F
(1608)
R18
240/F
(1608)
4
R19
N.A
FB
Title
Size Document Number Rev
<Doc> 1.0
A3
3
2
Date: Sheet
PWI1902SS(A)
of
11Tuesday, March 31, 2009
1
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