RCA L37WD23, Service Manual

Page: 51 / 84

37’’ LCD TV RCA L37WD23
51
9.2 Power Board
R925
47K
Ω 3W
C919
0.1uF
R966
1K 1/10W
R965
10K 1/8W
B+
!
C902
680PF/250V
R943
0 1/10W
C980
Varistor
R926
20K 1/10W
C904
1000PF/250V
L902
7mH
1
2
4
3
+5V
D907
BA159G
C944
0.1uF
R935
20K 1/10W
R989
JUMPER
R928
22 1/10W
!
D906
BA159G
L907
320 uH
1 6
7 9
5 2
R956
0.3
Ω 3W
ZD920
PTZ9.1B
1
2
+
C913
22uF/50V
D910 FME-220B
!
VCC2
Q921
PMBS3904
!
R997
470 1/4W
+ C963
470uF/25V
D923
1N4148
R981
100K 1/10W
+
C931
1000uF/35V
+12VP
R953
1K 1/16W
R985
10K 1/8W
D902
FMX-G26S
CN921
14P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
L905
3.0uH +-10%
C966
0.1uF/50V
!
Q915
PMBS3904
3
2
1
Q901
STW25NM60N
D915
LL4148WP
C923
100PF
+12VP
D913
LL4148WP
VCC2
Q904
PMBS3904
3
2
1
R901 330K 1/8W
PS
D931 FME-220B
C903
1000PF/250V
C957
0.001uF/500V
D924
FME-220B
1
2
3
C950
1500pF/1KV
L901
7mH
1
2
4
3
D917
LL4148WP
R942
2K 1/10W
R993
1K 1/10W
IC911
KIA431
!
NORCENT 37" TV 1
T2178-1-X-X-1-061127
Custom
1 2
Wednesday, November 29, 2006
Title
Size Document Number Rev
Date: Sheet of
IC904
PC123FY2 4P
1
2
4
3
LD7575
IC905
LD7575
1 3
4
7
2
5
6 8
RT CS
GN
D
N.C
CO
MP
OUT
VC
C
HV
C901
1000PF/250V
!
S_PROTECTION
+ C962
1000uF/25V
R979
1K 1/10W
NCP1377 VCC
13.8 ON
20V 籹祘
+
C932
1000uF/35V
R920
100K 1/8W
C954
0.1uF/50V
R913
1K Ω 1W
R951
1K 1/16W
BD901 H.S.
+ C951
22uF/50V
R911
330
C111
0.01UF/1KV
R995
1K 1/10W
D908
LL4148WP
+
C924
47uF/50V
PS
C947
0.1uF
Q906
AO4411
1
2
3
4
8
7
6
5
S1
S1
S1
G1
D1
D1
D1
D1
R933
2.4K 1/10W 1%
VCC1
F903
0 1/8W
+ C941
470uF/35V
R999
3.6K 1/10W 1%
IC931
FP130KR-LF
2
3 4
1 5
Vs
s
Vi
p
Vi
n
out Vcc
R939
47 /1W
!
CN923
16P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
!
D904
UF4003PT
R934
33K 1/10W 1%
R971
100K Ω 2W
Q914
PMBS3906
3 2
1
C911
1uF/450V
R991
2K 1/8W
CN922
10P/2.0mm
1
2
3
4
5
6
7
8
9
10
R994
1.5K 1/10W
ZD910
RLZ18B
1
2
!
R916
330K 1/8W
ZD922
RLZ5.1B
1
2
R900
330K 1/8W
+
C933
1000uF/35V
R973
2R2 1/8W
!
R905
0 1/8W
R944
10K 1/10W
R111
4.7M 1/8W
R992
1K 1/8W
R914
10K 1/10W
L921
3.5uH
S_PROTECTION
L922
3.5uH
D932 FME-220B
-
+
BD901
D25XB60
2
1
3
4
C927
1500PF
R921
1K 1/10W
+ C956
1000uF/25V
R114
330K 1/8W
FB903
BEAD
1 2
J916
100 1/6W
R986
1K 1/10W
C961
0.1uF
+ C939
1000uF/35V
SCR901
2N5060
3
1
2
FB906
BEAD
FB905
BEAD
R947
1.5K 1/10W 1%
VCC2
R978
0.56 Ω 3W
C965
0.1uF/50V
RJ901
8m
1 2
Q907
AO4411
1
2
3
4
8
7
6
5
S1
S1
S1
G1
D1
D1
D1
D1
+
C972
1000UF/25V
!
IC921
KIA431
D911
N.C LL4148WP
ZD903
MTZJ27B(24.97~26.26V)
1
2
FB904
BEAD
1 2
R922
10K 1/8W
!
C918
330PF/50V
R960
470 1/8W
C964
0.1uF
R904
620K 1/8W
R924
1K 1/10W
C974
0.01uF/1KV
!
R955
1K 1/8W
R938
18K 1/10W 1%
R952
1K 1/16W
IC910
PC123FY 2 4P
1
2
4
3
IC901
FA5500AN
1 2 3 4
8 7 6 5
FB CO
MP
MU
L
IS
VC
C
OU
T
GN
D
ZCD
Q900
STP10NK70ZFP
C925
0.1uF
Q902
2SK3679
C908
0.47uF/250V
Q903
PMBS3904
3
2
1
VCC3
R113
4.7M 1/8W
!
C926
470PF
C969
0.0047uF/250V
C112
0.1uF
R975
220 Ω 1W
!
C909
0.47uF/250V
RV901
Varistor
+ C906
120uF/450V
T901
12
1
3
6 8
10
7
5
9
11
R941
470 1/6W
R945
0 1/10W
R976
10 1/8W
24VI
+ C934
1000uF/35V
+ C907
120uF/450V
FOR BACKLIGHT
24V/5.7A
C946
0.1uF
F901
5A/250V
R932
1K 1/4W
R974
100K 1/10W
VCC3
+5Vs
+ C960
1000uF/25V
R907
68K 1/10W
C952
220pF/50V
IC912
PC123FY 2 4P
1
2
4
3
D918
LL4148WP
C914
0.1uF
C948
1uF
FB902
BEAD
D111
BA159G
C929
0.01UF/1KV
R923
1K 1/10W
R998
10K 1/10W
B+
!
R908
0 1/10W
L903
120uH
R949
20K 1/10W
C943
0.1uF
C985
0.01UF/1KV
R930
100 1/10W
R983
47 1/2W
IC902
NCP1377
1
2
3
4
8
7
6
5
Demag
FB
CS
GND
HV
N.C
Vcc
Drv
C938
1000PF/1KV
S_PROTECTION
!
ZD906
RLZ15B
1
2
R987
33K 1/10W
C958
0.001uF/500V
C973
0.1uF
C940
0.01uF
R990
75K 1/10W 1%
C905
680PF/250V
!
C917
0.47uF/25V
R910
20K 1/10W
CN901
3P/3.96mm
1 2 3
+ C935
470uF/35V
R940
22 Ω 2W
L906
3.0uH +-10%
R936
33K 1/10W
!
Q912
PMBS3904
3
2
1
+18VI
D920
LL4148WP
R919
10K Ω 1% 1/8W
R946
15K 1/10W 1%
Q923
PMBS3904
3
2
1
ZD921
RLZ13B
1
2
R912
0.3
Ω 3W
D900
BA159GPT
R967
270K 1/10W
R927
10K 1/10W
R950
1K 1/16W
R988
1K 1/10W
ZD904
27Vz
1
2
R112
4.7M 1/8W
C968
0.1uF
+18V
!
!
+ C959
1000uF/25V
Q910
PMBS3906
3 2
1
!
ZD905
MTZJ22B(13.89~14.62V)
1
2
R906
10K Ω 1% 1/8W
t
NR901
SCK055
1 2
!
ZD901
RLZ18B
1
2
R915
330K 1/8W
D916
UF4003PT
D901
1N5406
24V
!
R902
330K 1/8W
R954
24K Ω 1/10W
C936
0.1uF
+12VP
R937
10K 1/10W
D903
LL4148WP
C900
330PF K 250VAC
R931
0.22 Ω 3W
FB901
BEAD
C912
0.1uF/50V
C953
470PF/25V
C910
1uF/450V
L911
7mH
1
2
4
3
R929
20K 1/10W
D921
N.C FMW-2156
1
2
3
VCC1
R903
620K 1/8W
O
O
O
O
T903
10
1
8 4
7
9
11
12
2
6
C942
1000pF
IC111
NCP305
1
2 3
4
OUT
VIN N.C
GND
F902
R30-250(30V/2.5A)
+5Vs
C945
0.1uF
+5Vs
R977
10K 1/10W
R909
22 1/10W
C930
2200PF/1KV
R917
330K 1/8W
C916
220pF
!
C970
0.1uF
C915
0.01uF
C922
0.0022uF/2KV
R984
47 1/2W
+ C920
22uF/50V
C967
1uF
!