AOC LE32W234D, Service Manual

Page: 31 / 31

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
3C
EN
1K
EN
DIM
2T
1K
DIM
BL-ON/OFF
BL-ADJUST
0
+5V_STANDBY
0
0
0
12V
AC INPUT
：
100-240VAC
+
EC7
470uF/50V
+
EC7
470uF/50V CY2
102/400V
CY2
102/400V
R24 100k R24 100k
R26A 30k R26A 30k
R2
27k R2
27k C15
0.1uF C15
0.1uF
R43
0.1
Ω
R43
0.1
Ω
3
4
U2A
817C
U2A
817C
+
EC5
680uF/25V
+
EC5
680uF/25V
C01
102/1kV
C01
102/1kV
RXB 1M RXB 1M
C20
NC C20
NC
D3
RL207 D3
RL207
C8
1nF C8
1nF
+
EC10
47uF/100V
+
EC10
47uF/100V
C016 1uF C016 1uF
R44
0.1
Ω
R44
0.1
Ω
L7 33
Ω
L7 33
Ω
RJ2 RJ2
R22
150k R22
150k
C017 1uF C017 1uF
C22
100pF C22
100pF
D4
RL207 D4
RL207
R45
0.1
Ω
R45
0.1
Ω
R30A 0.1
Ω
R30A 0.1
Ω
R5 47
Ω
R5 47
Ω
C9
100pF C9
100pF
+
EC6
680uF/25V
+
EC6
680uF/25V
RXC 1M RXC 1M
2
1
U2B
817C
U2B
817C
D10
SR5100 D10
SR5100
R29
200k
R29
200k
R37 10k R37 10k
+
EC9
100uF/50V
+
EC9
100uF/50V
C6
470pF/200V
C6
470pF/200V
C23
10nF
C23
10nF
D8
1N4148 D8
1N4148 D7
RL207 D7
RL207
RXD 1M RXD 1M
R3
150k 2WS
R3
150k 2WS
R17
1k R17
1k
CX1
0.22uF/275V
CX1
0.22uF/275V
C11
10nF/50V C11
10nF/50V
D9
22V D9
22V
R39 24k R39 24k
C018 1uF C018 1uF
R18
NC R18
NC
L4A
3.3uH L4A
3.3uH
R21
43k R21
43k
C21
NC C21
NC
C12
0.22uF
C12
0.22uF
R40
24k R40
24k
3
4
5
7
9
12
T1A
70:(5:4) T1A
70:(5:4)
C5
470pF/200V
C5
470pF/200V
+
EC8
470uF/50V
+
EC8
470uF/50V
Q4
10N65 Q4
10N65
D6
1N4148
D6
1N4148
1
2
L8 L8
R
T
1
G
N
D
4
CS
3
GATE
5
V
D
D
6
H
V
8
FB
2
U1
OB5269
U1
OB5269
R26B NC R26B NC
L3A
3.3uH L3A
3.3uH
RJ3 RJ3
+
EC1
82uF/450V
+
EC1
82uF/450V
R12 47
Ω
R12 47
Ω
R27 22nF R27 22nF
R23
10k R23
10k
1 2 3
CN101 CN101
1
3
2
U3
TL431
U3
TL431
R30C 0.1
Ω
R30C 0.1
Ω
RJ4 RJ4
R30 3.3k R30 3.3k
R28 10
Ω
R28 10
Ω
R41
0.1
Ω
R41
0.1
Ω
R6
4.7
Ω
R6
4.7
Ω
R7
1.5k R7
1.5k
R4 10
Ω
R4 10
Ω
C10
10nF/50V C10
10nF/50V
POL
1
VIN
2
VCC
3
CMP
4
EN
5
DIM
6
AGND
7
RI
8
ISET
9
BF
10
LED1
11
LED2
12
LED3
13
LED4
14
LED5
15
LED6
16
LED7
17
LED8
18
LED9
19
LED10
20
LED11
21
LED12
22
OVP
23
CS
24
PGND
25
GATE
26
FAULT
27
NC
28
U4
OB3362 U4
OB3362
D12
SR560 D12
SR560
RJ1 RJ1
1
2
3
4
5
6
7
8
9
10
CN3 CN3
Q3
AOD478 Q3
AOD478
1
2
3
Q2
MMBT2222 Q2
MMBT2222
1 3
2 4
L1 L1
+
EC3
680uF/25V
+
EC3
680uF/25V
t
NTC
8
Ω
3A
t
NTC
8
Ω
3A
RJ6 RJ6
C101
0.1uF/50V
C101
0.1uF/50V
R38
15k
R38
15k
R1
27k R1
27k
R13 47
Ω
R13 47
Ω
C24
10nF C24
10nF
R16
5.1k R16
5.1k
R25 560k
Ω
R25 560k
Ω
C02
2.2nF/400V
C02
2.2nF/400V
+
EC4
680uF/25V
+
EC4
680uF/25V
R19
1k
R19
1k
F1
2AL/250Vac F1
2AL/250Vac
R30B 0.1
Ω
R30B 0.1
Ω
D1
RL207 D1
RL207
RJ5 RJ5
D11
20100 D11
20100
R10 47
Ω
R10 47
Ω
1 3
2 4
L2
18mH L2
18mH
R15
NC R15
NC
L9
120uH
L9
120uH
RXA 1M RXA 1M
R42
0.1
Ω
R42
0.1
Ω
CY1
102/400V
CY1
102/400V
D2
RL207 D2
RL207
+
EC2
47uF/50V
+
EC2
47uF/50V
L6 33
Ω
L6 33
Ω
D5
FR157 D5
FR157
R8 2k R8 2k
R11 47
Ω
R11 47
Ω
C4
10nF C4
10nF
1
2
T2B
15T T2B
15T R20
11k R20
11k
_______ _______