AOC L27W451B, Service Manual

Page: 61 / 96

2
7
’’
L
C
D
T
V
A
O
C
L
2
7
W
4
5
1
B
ʳ
61
9.2 Pow
e
r Board
R983 NC
C964 0.01U 630V
Q947 2SC945P
D940 UF4003
C941 0.01uF/500V
C938 0.1uF
R921 100K 2W
R935 4.7K
1/10W
ǂ
R934 1K
1/10W
ǂ
R981 NC
t
NR901 5A
/3
ǂ
L906 PFC CHOKE
5 10
8 12
6
7
C927 1000PF
R925
6.8
1/10W
ǂ
L923 3.5uH
D920
BA159
R949 27K
1/10W
ǂ
R970 1K
C959 0.33uF
+
C932
1000uF/25V
L921 BEAD
C952 NC
Q924 DTC144WKA
L953 common choke
1 3
2 4
D942
BA159
+
C907 180uF/420V
CN951 10P/2.0mm
1 2 3 4 5 6 7 8 9
10
RV901 Varistor
+
C933
1000uF/25V
R980 470
C961 0.1U
R953
56K
1/10W
ǂ
R960 13K
1/10W
ǂ
R982 NC
R902
680K
1/8W
ǂ
R901 680K
1/8W
ǂ
R924 1M
1/8W
ǂ
R920 10K
1/10W
ǂ
L902 180 uH
C901 0.22uF/250V
R962 1K
1/8W
ǂ
+
C950
1000uF/35V
IC901
T
DA4863-2G(DIP-8)
8
6
7
5 4
2
1
3
VCC
GND
GD
ZCD CS
COMP
INV
MULT
R944
4.3K
1/10W
ǂ
L905
1
4
2
3
C910 0.1uF
Q943 IRFB3415
C939 0.1uF
L951 BEAD
+
C930
1000uF/25V
D902 FMX-G26S
C928 N.C
L922 N.C
+
C945 47uF50V
R969 1K
P1-1
R941 1.0M
1/8W
ǂ
C946 470PF
R905 0.27
3W
ǂ
L903
1
4
2
3
F901 5A_250V
R947 0 1
/1
0
W
ǂ
R913 330K
1/8W
ǂ
C966 NC
C905 1.0uF/450V
+
C948
1000uF/35V
C902 0.47uF/250V
5V/3.0A
R927 2M
1/8W
ǂ
CN901 SOCKET
1
2
3
IC925 PC123
1 2
4 3
D901 ML35
R916
3.3K
1/8W
ǂ
R933
470
1/10W
ǂ
D946
MLL4148
C926 0.047uF/400V
R964
100K
1/10W
ǂ
CN903 CONN
1 2 3
C954 NC
Q926 BT169
D950
MLL4148
C936
NC
R922
0
1/10W
ǂ
R952 6.8K
1/10W
ǂ
Q941 STP10N70ZFP
D905 MLL4148
R958
2K
1/10W
ǂ
+
C944 47uF50V
+
C909
50V_10uF
D925
MLL4148
C921 0.1uF/500V
C913 0.01U
R959 11.5K
1/10W
ǂ
R938 NC
+
C955 470uF/35V
R946 NC
R956 N.C
C922 2200PF 1KV
+
C925 50V_47uF
CN931 CONN
1 2 3 4 5 6 7 8 9
10 11 12 13
C958 470pF
D907 MLL4148
IC943 KA431
C937 0.1uF/25V
D926
MLL4148
C911 0.001uF
D943 UF4003
P1-1
L901 180 uH
T921 PQ2625/ Lp=635UH
9
5 4 3 1
11 8 12 7 10
PQ3225/Lp=390uH
Q901
IRFP460A(TO-3P)
1
2 3
C953 0.01U
D949 MLL4148
R948 33
1/10W
ǂ
IC923 KA431
R968 4.7K
R978
1K
C971 N.C
C947 0.001uF
+
C957 10uF
R906 620K
1/8W
ǂ
C919 470PF
R919 0.27
3W
ǂ
+
C934 220uF/25V
Q925 DTC144WKA
C943
NC
R955 10
1/10W
ǂ
R942 1.0M
1/8W
ǂ
IC924 PC123FY2 4P
1 2
4 3
R928 5.6K
1/10W
ǂ
J932
JUMPER
1 2
R930 NC
Q926 DTC144WKA
R932 39K
1/10W
ǂ
R939 NC
TOP246Y
IC981
2
3
4
1
5
7
L
X
S
C
F
D
D941
BA159
C912
0.47uF/25V
R907 620K
1/8W
ǂ
IC941
L6565(DIP-8)
8
6
7
5 4
2
1
3
VCC
GND
GD
ZCD CS
COMP
INV
VFF
R911 330K
1/8W
ǂ
+
C940 22UF/50V
C906 N.C
C970 0.0022uF/250V
R945 47K
3
W
ǂ
D904 MLL4148
IC922 PC123FY2 4P
1 2
4 3
C960 NC
D927 20A/100V
1 3
2
P2-1
IC942 PC123FY2 4P
1 2
4 3
C965 0.1uF
R903 68K
1/10W
ǂ
C918 470PF
FOR BACKLIGHT 24V/5A
CN921 12P/2.0mm
1 2 3 4 5 6 7 8 9
10 11 12
ZD921
6.8V
C920 0.1uF
R937 680
1/8W
ǂ
t
NR902 5A
/3
ǂ
Q942 IRFB3415
C924 0.1uF
Q922
3904
D922 UF4003
D921 BA159
R965 10K
1/10W
ǂ
C929 N.C
C962 100PF
R917
3.3K
1/8W
ǂ
CN904 CONN
1 2 3
ZD943 12V
R904 47
1/10W
ǂ
C903 470PF/250V
R963 N.C
+
C923 50V_10uF
L904
1
4
2
3
R914 18K
1/10W
ǂ
RJ901 10m
ǂ
C904 470PF/250V
R915
4.7K
1/8W
ǂ
ZD945 28V
C942
2200PF/1KV(RR)
R908 0
1/8W
ǂ
R909 10K
1/10W
ǂ
Q948 2SA733P
R971 18K
C908 0.01uF/500V
R954 10
1/10W
ǂ
Q946 2SA733P
D944 MLL4148
R966
1K
1/10W
ǂ
ZD942 13V
- +
BD901 D10XB60
1
4
3
2
ZD944 12V
R918 N.C
IC927
F
P131
8
6
7
5 4
2
1
3
Vn1
Crc
Vcc
Vp2 Vou t2
GND
Vp1
Vou t1
T951
POWER X'FMR
11 12 10
6 1 4 5 2
7 8 9
ZD941 N.C
R957
20
1/10W
ǂ
12V/3.5A
Q945 2SC945P
C915 0.0022uF/250V
R929 100
1/8W
ǂ
R910 10K
1/10W
ǂ
+
C951
1000uF/35V
CN952 12P/2.0mm
1 2 3 4 5 6 7 8 9
10 11 12
+
C949
1000uF/35V
R972
NC
C914 0.1uF
C956 0.1uF
R931 1K
1/10W
ǂ
R926 2M
1/8W
ǂ
R967 4.7K
R950 0.39
2W
ǂ
P2-1
<Doc>
A
ADPF24180A1
Custom
12
Friday, May 21, 2004
Title Size
Document Number
Rev
Date:
S
heet
of
R936 22
1/10W
ǂ
R961 1.5K
1/10W
ǂ
R943 1.0M
1/8W
ǂ
R951 2.4K
1/10W
ǂ
D906 MLL4148
+
C931 N.C
ZD946 26V
R923 1M
1/8W
ǂ
D947 MLL4148
R940 10K
1/10W
ǂ
D928 20A/100V
1 3
2
L952 sence choke
1 3
2 4
R912 330K
1/8W
ǂ