AOC LC42H163, Service Manual

Page: 54 / 88

54
9.2 Power Board
715G3829P03W30003S
B+
Q970
PMBS3904
!
!
!
!
!
!
!
!
Q903
2SK4101LS
R933
10 OHM 1/8W
C978
0.1uF 50V
C939
0.001uF/1KV
+5VS
R980
2KOHM +-1% 1/8W
Vcc
R921
+
C941
10uF/50V
R932
47OHM +-5% 1/8W
Vcc Vcc_1
FB
R950
C942
0.1uF 50V
D954
1N4148
C961
R919
NC
D903
1N4148
R987
27K +-1% 1/8W
BNO
1
COMP
2
NC
3
CS
4
GND
5
OUT
6
VCC
7
OVP
8
IC903
LD7523GS
F901
FUSE
C909
1N 50V
+ C931
100uF 50V R922
R937
4.7 MOHM +-5% 1/4W
B+_390V
R920
RV904
NC
R983
1K 1/8W 1%
+5VS
1 2
ZD902
MTZJ T-72
C951
2A
R950,R951 100OHM 1/4W
C950,C951 0.001uF
C916
NC
C955
0.22uF 50V
C919
NC
+24V
C944
220pF 50V
C976
0.33uF 50V
1
2
3
D951
FMEN210A
R9905
-1% 1/8W
R929
10K OHM
R075
1 2
FB909
BEAD
R974
1K 1/4W
R930
3.9K 1/8W
C913
0.1uF 50V
C974
0.1uF 50V
C977
0.1uF 50V
R924,R925,R926
1.5M 1% 1/4W
PS_ON
R952
A5V
Q950
PMBS3904
R910
300K 1/8W
+5V
C915
220pF 50V
R9401,R9402,R9403,R9404
100K 1/4W
R978
-1% 1/8W
R960
1K 1/8W 1%
C912
CAP CHIP 0805 56PF J 50V NPO
L980
3.5uH
C907
100N 50V
R924
R925
R982
-1% 1/8W
R926
!
1 2
D906
B0520LW
1
2
3
D952
FMEN-220A
Q911
NC
+ C975
470uF 35V
+
C957
1000uF 25V
R968,R969,R972,R973 2.2K 1/4W
R965,R966,r967 5.1K 1/4W
1 4
2 3
L903
20.0mH
+
C914
47uF/50V
R958
-1% 1/8W
1
2
4
3
L901
13mH
!
R918
-1% 1/8W
R931
2.4 OHM 1/4W
B+
R934
1K 1/8W 1%
R904,R905,R909
1.5M 1% 1/4W
R904
+
C925
100uF M 450V
R905
!
R909
!
Vcc_1
!
1 2
FB901
BEAD
Vcc_1
IC952
AS431AZTR-E1
1 2
FB902
BEAD
+12V
R948
0.1 ohm
5.6B
+12V
+12V
!
R959
1-1% 1/8W
INV
1
CO
M
P
2
MO
T
3
CS
4
ZC
D
5
GN
D
6
OU
T
7
VC
C
8
IC901
FAN7529MX
IC971
AS431AZTR-E1
R901
300K 1/4W
NR901
NTCR
R981
1K 1/8W 1%
!
D902
FMN-1106S
R965
1
2
3
5
4
7
6
9
10
T901
POWER X'FMR
R916
0.2OHM2W
1 2
FB903
BEAD
2
1
3
Q901
STW26NM60
R912
0.2OHM2W
1
2
ZD952
MTZJ T-72 30B
!
C927
470pF/250V
R956
1K 1/8W 1%
2
1
3
4
-
+
BD901
TS10P06G
D935
PR1007
C902 680pF
1.5A
R902
300K 1/4W
R903
300K 1/4W
R9211,R9212,R9213,R9214
100K 1/4W
+24V
PDIM
+5VS
!
+12V
+5V
PS_ON
ACD
1
2
3
4
5
6
7
8
9
10
11
12
13
CN902
CONN
ON/OFF
L_1
L_2
+
C953
330uF 16V
ZCD
R976
-1% 1/8W
R966
B+_390V
1
2
3
D950
SBT15006JST
D904
1N5408-P
Vcc_1
R946
0R33 5% 2W
R957
-1% 1/8W
1
2
ZD951
MTZJ T-72 16B
C979
0.1uF 50V
R9404
1-1% 1/4W
C910
1UF450V
Vcc_2
D955
1N4148
+ C973
470uF 35V
+ C972
470uF 35V
Q905
KTA1273-Y- AT/ P
C901 CAP X2 470NF 10% 275VAC MPX
1
2
HS8
HEAT SINK
1
2
HS9
HEAT SINK
D901
PR1007
C970 C971
Q921
KTD1691/P
1
2
HS6
HEAT SINK
1
2
HS20
HEAT SINK
R970
R971
1
2
HS21
HEAT SINK
1
2
HS1
HEAT SINK
R9402
1-1% 1/4W
1
2
HS5
HEAT SINK
R914
-1% 1/8W
C920
10nF 50V
L951
3.5uH
R941
NC
RV901
Varistor
R939
-1% 1/8W
Vcc_2
1 2
FB908
BEAD
C904 CAP X2 470NF 10% 275VAC MPX
R9401
1-1% 1/4W
D940
PR1007
D930
PR1007
C929
0.001uF/1KV
R961
1K 1/8W 1%
1 2
FB907
BEAD
C917
47nF 50V
1 2
11 12 8 7
L904
170uH
C928
0.001uF/250V
ACD
R9403
1-1% 1/4W
R955
1K 1/8W 1%
1
2
4
3
IC950
PC123X8YFZOF
R945
470 OHM 1/8W
1
2
4
3
IC951
PC123X8YFZOF
Q910
PMBS3904
1
2
4
3
IC970
PC123X8YFZOF
1 2
CN901
SOCKET
R968
2.2K 1/4W
R9214
1-1% 1/4W
L
1
N
2
CN903
CONN
1
2
4
3
IC954
NC
C921
100N 50V
+ C959
470uF 25V
A5V
!
R9906
51K 1/8W
R969
2.2K 1/4W R9213
1-1% 1/4W
R949
5.1K 1/4W R947
5.1K 1/4W
C923
220PF 1KV
ACD
R9907,R9908 10K
R9909 100K
R988 16.9K
R989 33K
R979
NC
R954
100 OHM +-1% 1/8W
R9907
NC
R9908
NC
+
C924
100uF M 450V
R9909
NC
R913
75 OHM 1/8W
S/OCP
1
BR
2
GND
3
FB/OLP
4
VCC
5
D/ST
7
D/ST
8
IC902
A6069H
R988
NC
C903 680pF
R972
2.2K 1/4W
R9211
1-1% 1/4W
R907
2.4 OHM 1/4W
R989
NC
C926
10nF
C956
0.1uF 50V
R908
2.4 OHM 1/4W
C918
CAP CHIP 0805 0.47UF K 50V X7R
R951
C943
0.1uF 50V
R928
-1% 1/8W
R917
56K 1/8W
1
2
ZD901
MTZJ T-72 16B
R906
510K 1/8W
R970,R971 100OHM 1/4W
C970,C971 0.001uF
R942
51K 1/8W
R975
3.9K 1/8W
+5V
R973
2.2K 1/4W
R9212
1-1% 1/4W
R920,R921,R922
680K 1% 1/4W
C908
0.1uF 50V
+24V
R915
470 OHM 1/8W
FB_1
C922
0.1uF 50V
R953
+24V
R963
-1% 1/8W
4
5
3
7
8
9
10
11
12
T902
POWER X'FMR
R923
-1% 1/8W
R943
22 OHM 1/8W
L950
3.5uH
R911
20K 1/8W
R938
-1% 1/8W
+ C933
22uF/50V
C950
C960
+
C954
470uF 16V
2.5A
C911
CAP CER 10NF K 1KV
+
C937
10uF/50V
R970,R971 100OHM 1/4W
C970,C971 0.001uF
1 2
D905
B0520LW
R940
1K 1/8W 1%
R944
-1% 1/8W
FB
FB_1