AOC envision L37W431, Руководство по обслуживанию

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37’’ LCD TV Envision L37W431
52
9.2 Power Board
715T1852-3
C942
1000pF
D907
BA159G
R943
0 1/10W
T1852-3-X-X-2-060830
3
POWER OUT 5V&12V&18V&24V
1 1
Thursday, September 07, 2006
Title
Size Document Number Rev
Date: Sheet of
R111
4.7M 1/8W
L921 L
R913
1K1W
ZD901
RLZ18B
1
2
R955
1K 1/8W
R949
20K 1/10W
D900
BA159GPT
R967
270K 1/10W
C957
0.001uF/500V
R927
10K 1/10W
R960
470 1/8W
FP130
IC931
2
3 4
1 5
Vs
s
Vi
p
Vi
n
out Vcc
C943
0.1uF
VCC1
D908
LL4148WP
C945
0.1uF
C970
0.1uF
!
CN901
3P/3.96mm
1 2 3
F902
R30-250(30V/2.5A)
+
C939
1000uF/35V
RJ901
8m
1 2
R979
1K 1/10W
IC902
NCP1377
1
2
3
4
8
7
6
5
Demag
FB
CS
GND
HV
N.C
Vcc
Drv
R919
10K 1/10W 1%
R931
0.33 3W
C905
680PF/250V
R940
22 /2W
ZD920
PTZ9.1B
1
2
C950
1500pF/1KV
C966
0.1uF/50V
R921
1K 1/10W
R932
1K 1/4W
R990
75K 1/10W 1%
C916
220pF
+
C963
470UF/25V
D901
1N5406
FB901
BEAD
C900
330PF/250V
IC921
KIA431
D911
N.C LL4148WP
R999
3.6K 1/10W 1%
R939
47 /1W
!
L902
1 4
2 3
C909
0.47uF/250V
L907
7
6 5
9
22 1
!
BD901 H.S.
C954
0.1uF/50V
VCC3
C952
220pF/50V
L906
3.5UH
FB904
BEAD
+
C933
1000uF/35V
R938
18K 1/10W 1%
!
R975
220 2W
R992
2K 1/8W
L905
3.5UH
ZD904
27Vz
1
2
D918
LL4148WP
R114
330K 1/8W
+5VP
24V
S_PROTECTION
SCR901
2N5060
3
1
2
+12VP
FB906
BEAD
C922
2200PF/1KV R950
1K 1/16W
R981
100K 1/10W
R991
2K 1/8W
R909
22 1/10W
ZD905
RLZ24B(22.61~23.77V)
1
2
Q923
PMBS3904
3
2
1
C947
0.1uF
J916
100 1/6W
R945
0 1/10W
+
C907
120uF/450V
R907
68K 1/10W
R966
1K 1/10W
C908
0.47uF/250V
Q907
AO4411
1
2
3
4
8
7
6
5
S1
S1
S1
G1
D1
D1
D1
D1
R986
1K 1/10W
R952
1K 1/16W
VCC3
IC910
PC123FY 2 4P
1
2
4
3
!
R941
470 1/6W
C958
0.001uF/500V
R912
0.3 /3W
D915
LL4148WP
D910 FME-220B
+
C932
1000uF/35V
!
D923
1N4148
+12VP
C969
4700PF
C917
0.47uF/25V
C936
0.1uF
+18VI
R901 330K 1/8W
F901
5A/250V
+
C935
470uF/35V
+ C920
22uF/50V
R908
0 1/10W
VCC2
!
+
C960
1000uF/25V
R983
47 1/2W
+
C906
120uF/450V
C918
330PF/50V
C111
0.01UF/1KV
+ C962
1000uF/25V
C964
0.1uF
Q910
PMBS3906
3 2
1
R902
330K 1/8W
R924
1K 1/10W
R911
330
D931 FME-220B
C930
2200PF/1KV
R925
47K 3W
!
!
IC912
PC123FY2 4P
1
2
4
3
C968
0.1uF
B+
C921
0.01UF/1KV
CN922
10P/2.0mm
1
2
3
4
5
6
7
8
9
10
C902
680PF/250V
C901
1000PF/250V
C910
1uF/450V
!
R946
15K 1/10W 1%
C973
0.1uF
D913
LL4148WP
+
C913
22uF/50V
FB905
BEAD
+
C931
1000uF/35V
ZD903
MTZJ27B(24.97~26.26V)
1
2
VCC2
LD7575
IC905
LD7575
1 3
4
7
2
5
6 8
RT CS
GN
D
N.C
CO
M
P
OUT
VC
C
HV
Q902
2SK3679
L911
1 4
2 3
C112
0.1uF
t
NR901
SCK055
1 2
!
D902
YG972S6R
R973
2R2 1/8W
T901
12
1
3
6 8
10
7
5
9
11
!
R934
33K 1/10W 1%
Q914
PMBS3906
3 2
1
PS
+ C956
1000uF/25V
!
!
IC901
FA5500AN
1 2 3 4
8 7 6 5
FB CO
M
P
MU
L
IS
VC
C
OU
T
GN
D
ZC
D
C911
1uF/450V
C961
0.1uF
R904
620K 1/8W
+
C972
1000UF/25V
R928
22 1/10W
IC904
PC123FY2 4P
1
2
4
3
R930
100 1/10W
B+
FB903
BEAD
!
R920
100K 1/8W
Q901
FET FCA20N60 FAIRCHILD
S_PROTECTION
F903
0 1/8W
R942
2K 1/10W
!
ZD922
RLZ5.1B
1
2
D904
UF4003PT
R974
100K 1/10W
VCC1
C946
0.1uF
+
C959
1000uF/25V
!
R985
10K 1/8W
+ C951
22uF/50V
R971
100K 2W
RV901
Varistor
ZD906
RLZ15B
1
2
R977
10K 1/10W
R112
4.7M 1/8W
R914
10K 1/10W
+
C934
1000uF/35V
R987
33K 1/10W
24VI
+12VP
!
R917
330K 1/8W
CN923
12P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
D924
FME-220B
1
2
3
+
C924
47uF/50V
!
C915
0.01uF
C912
0.1uF/50V
C974
0.01UF/1KV
L901
1 4
2 3
R910
20K 1/10W
R922
10K 1/8W
R965
10K 1/8W
L903
120uH
!
R915
330K 1/8W
Q900
STP8NK80ZFP
1
3
2
R113
4.7M 1/8W
R933
2.4K 1/10W 1%
R953
1K 1/16W
C919
0.1uF
R998
10K 1/10W
PS
R995
1K 1/10W
L922 L
R906
11K 1/10W 1%
R997
470 1/4W
R994
1.5K 1/10W
!
FOR BACKLIGHT
24V/5.7A
!
!
C914
0.1uF
C985
0.01UF/1KV
+18V
!
-
+
BD904
D25XB60
2
1
3
4
C923
100PF
!
R988
1K 1/10W
C938
1000PF/1KV
R900
330K 1/8W
C903
1000PF/250V
D932 FME-220B
!
R923
1K 1/10W
ZD921
RLZ13B
1
2
C925
0.1uF
C953
470PF/25V
C926
470PF
Q903
PMBS3904
3
2
1
Q904
PMBS3904
3
2
1
C927
1500PF
C944
0.1uF
R947
1.5K 1/10W 1%
O
O
O
O
T903
10
1
8 4
7
9
11
12
2
6
R935
20K 1/10W
D920
LL4148WP
Q915
PMBS3904
3
2
1
R926
20K 1/10W
D916
UF4003PT
R905
0 1/8W
CN921
14P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R951
1K 1/16W
C967
1uF
Q921
PMBS3904
D111
BA159G
S_PROTECTION
VCC2
R929
20K 1/10W
D903
LL4148WP
C929
0.01UF/1KV
R903
620K 1/8W
R984
47 1/2W
+
C941
470uF/35V
R954
24K 1/10W
C965
0.1uF/50V
D917
LL4148WP
IC911
KIA431
R916
330K 1/8W
R989
JUMPER
R944
10K 1/10W
R978
0.56 /3W
NCP1377 VCC
13.8 ON
20V
籹祘
IC111
NCP305
1
2 3
4
OUT
VIN N.C
GND
FB902
BEAD
D921
N.C FMW-2156
1
2
3
R918
NC
R993
1K 1/10W
D906
BA159G
R976
10 1/8W
C904
1000PF/250V
ZD910
RLZ18B
1
2
C940
0.01uF
!