Power Board Schematic Diagram - AOC LC42H163 Service Manual

9.2 Power Board
715G3829P03W30003S
L_1
BD901
FB908
TS10P06G
1 2
BEAD
3 2
C910
1UF450V
FB901
1 2
BEAD
ZCD
L903 CN903 R910
CONN 300K 1/8W
20.0mH
!
Vcc_1
!
+ C914
47uF/50V
C904 CAP X2 470NF 10% 275VAC MPX
C902 680pF C903 680pF
R917
56K 1/8W
!
!
L901
1 4 D901
PR1007
!
2 3
13mH
C901 CAP X2 470NF 10% 275VAC MPX
!
R901 R903
300K 1/4W 300K 1/4W
R902
300K 1/4W
NR901
NTCR
1
RV901
!
Varistor
F901
FUSE
CN901
B+_390V
2 1
!
SOCKET
R924
R925
HS1 HS5
HEAT SINK HEAT SINK
1 1
2 2 R926
HS21
HEAT SINK HS20
HEAT SINK
1
2 1 R928
2 C922 91KOHM +-1% 1/8W
0.1uF 50V
HS6 HS8 HS9
HEAT SINK HEAT SINK HEAT SINK
1 1 1
2 2 2
D904
C923
1N5408-P
L_2 FB909
!
220PF 1KV
1 2 1
BEAD
L904 D902 FB907
170uH ! FMN-1106S BEAD
RV904
NC
C926 R920
10nF
D905
2 1
Q901 R921
R932 R913 B0520LW
R911 STW26NM60
20K 1/8W 1
R920,R921,R922
47OHM +-5% 1/8W 75 OHM 1/8W
680K 1% 1/4W
R914
10KOHM +-1% 1/8W
C912
CAP CHIP 0805 56PF J 50V NPO
C913
0.1uF 50V IC901
FAN7529MX R922
R915
470 OHM 1/8W
R916 R912
0.2OHM2W 0.2OHM2W
C915
C916 220pF 50V
NC
R918
10KOHM +-1% 1/8W
R919 R923
C919 NC 13KOHM +-1% 1/8W
C917 C918 NC
47nF 50V CAP CHIP 0805 0.47UF K 50V X7R
R904 R905 R909
R904,R905,R909
1.5M 1% 1/4W
FB902 C928
BEAD 0.001uF/250V
2
!
Vcc_1 Vcc_2 Vcc_1 +5VS
R941
NC
R940
1K 1/8W 1% Q905
KTA1273-Y - AT/ P
R9907
R938 NC
10KOHM +-1% 1/8W
!
R9908
NC IC954
NC
R9909
NC
R988 3.9K 1/8W
5.6B
NC
R9905
ZD902 Q911
2 1 NC
ACD
Q910
MTZJ T-72 10KOHM +-1% 1/8W
R9906 PMBS3904
51K 1/8W R989
NC
R924,R925,R926 ACD
1.5M 1% 1/4W R9907,R9908 10K
R9909 100K
R988 16.9K
R989 33K
B+_390V B+
R9401,R9402,R9403,R9404
100K 1/4W
R948
0.1 ohm
2
R9401
100KOHM +-1% 1/4W
C929
+ +
C924 C925 C911 0.001uF/1KV
100uF M 450V 100uF M 450V CAP CER 10NF K 1KV
R9402
100KOHM +-1% 1/4W
D930
PR1007
FB_1
R937 2.4 OHM 1/4W
4.7 MOHM +-5% 1/4W
Vcc
D903
1N4148
A6069H
4 5
FB/OLP VCC
3
GND
2 7
BR D/ST
1 8
S/OCP D/ST
IC902
C907 C909 R907
100N 50V 1N 50V 2.4 OHM 1/4W
C933 C908
+
22uF/50V 0.1uF 50V
R908
2.4 OHM 1/4W
Vcc_1 Vcc +5VS
Q921
KTD1691/P
R960
R939 1K 1/8W 1%
10KOHM +-1% 1/8W
R947 R949 +
5.1K 1/4W 5.1K 1/4W C937
10uF/50V IC951
!
PC123X8Y FZOF
Q950
PMBS3904
ZD901
MTZJ T-72 16B
C956
0.1uF 50V
R906
C921 510K 1/8W
100N 50V
R9211,R9212,R9213,R9214
100K 1/4W
B+
R9211
100KOHM +-1% 1/4W 100KOHM +-1% 1/4W
C939
0.001uF/1KV
R9212
100KOHM +-1% 1/4W
Vcc_2
D940
PR1007
R075 R929 FB
10K OHM
D906
C941 2 1
IC903
10uF/50V R933
1 8 10 OHM 1/8W
BNO OVP B0520LW
2 7
COMP VCC
3 6
NC OUT
4 5
CS GND
R943
C920 22 OHM 1/8W
LD7523GS
R930 +
R942 R934
10nF 50V 51K 1/8W 1K 1/8W 1%
C943
0.1uF 50V C942
0.1uF 50V
R945
C944 470 OHM 1/8W
220pF 50V
54
R950,R951 100OHM 1/4W
R9403
C950,C951 0.001uF
100KOHM +-1% 1/4W
T901
POWER X'FMR R950
+5VS
1
C950
R9404 R951
100KOHM +-1% 1/4W
2 6
D950
7 C951
L950
SBT15006JST
9 2
3 10
3.5uH
4
+ C953
330uF 16V
5
R931
!
D935
PR1007
FB_1
R954
+ C931 100 OHM +-1% 1/8W
100uF 50V
IC950 R955
!
1K 1/8W 1%
PC123X8YFZOF
+5V
A5V
C955
R956
0.22uF 50V
1K 1/8W 1%
IC952
AS431AZTR-E1
R959
150KOHM +-1% 1/8W
R961
PS_ON
R963
1K 1/8W 1%
10KOHM +-1% 1/8W
R970
R970,R971 100OHM 1/4W
C970,C971 0.001uF
R971
C970 C971
L980
T902 2
POWER X'FMR
3.5uH
7 D951
5 FMEN210A
+ C972 + C973
10 470uF 35V 470uF 35V
R9213 4 8
9
11
D952
3 12
L951
FMEN-220A
R9214 2
100KOHM +-1% 1/4W
!
3.5uH
+
C957
R953 1000uF 25V
R952 C960 C961
R970,R971 100OHM 1/4W
C970,C971 0.001uF
FB903
C927
470pF/250V
1 2
BEAD
!
R974
1K 1/4W
Q903
2SK4101LS FB
R975
3.9K 1/8W
+12V
! IC970
R944
PC123X8Y FZOF
10KOHM +-1% 1/8W
C976
R976
0.33uF 50V R978
24KOHM +-1% 1/8W
10KOHM +-1% 1/8W
IC971
AS431AZTR-E1
R946
0R33 5% 2W
R980
2KOHM +-1% 1/8W
+5V
2.5A
+ C954
470uF 16V
C974
0.1uF 50V
CN902
ON/OFF 1
PDIM 2
+12V 3
4
5
6
7
R957 8
+24V
10KOHM +-1% 1/8W 9
10
PS_ON
11
12
+5V
13
ACD
R958
10KOHM +-1% 1/8W
CONN
+24V
R968,R969,R972,R973 2.2K 1/4W 1.5A
R965,R966,r967 5.1K 1/4W
R965 R966
+ C975 C979
470uF 35V R968 R969 0.1uF 50V
2.2K 1/4W 2.2K 1/4W
+12V
2A
+ C959 R972 R973
470uF 25V
2.2K 1/4W 2.2K 1/4W C977
0.1uF 50V
+24V
+12V
ZD951 ZD952
MTZJ T-72 16B MTZJ T-72 30B
+24V
D954 D955
1N4148 1N4148
A5V
R987
27K +-1% 1/8W
R981
1K 1/8W 1%
Q970
R983
PMBS3904
1K 1/8W 1%
R982
R979 C978 10KOHM +-1% 1/8W
NC 0.1uF 50V