Power Schematic Diagram - Sharp LC-42SB45U Service Manual

[2]POWER SCHEMATIC DIAGRAM

1 2
A
!
CN901
SG1
2
N
GS41-201MA
3
E
1
L
29g
20174
!
!
!
C908
0.68U 275V
!
B
L901
F901
T6.3AH-250V FPH6001AL
SG2
GS41-201MA
SG5
GS41-201MA
R977
RV905
C
2M2 1/4W
TVR14511KFC4FY
METAL PLATE METAL PLATE
Q1 Q2
R975
2M2 1/4W
R974
2M2 1/4W
D
CN902
64842 12P 2.5MM
1
2
3
4
12V
5
6
24A
7
8
9
10 STANDBY
11
12
5V
E
CN903
13P 2.5MM
24V
1 1
1
2 2
2
3 3
3
4 4
4
5 5
5
6 6
6
7 7
7
8 8
8
9 9
9
10 10
10
11 11
11
12 12
12
13 13
13
F
G
H
1 2
3 4
FB922 BEAD
HEATSINK
SG3
1 2
29g
HBD901
120K 1/4W
GS41-201MA
R960
!
!
GBJ1508
29g
BD901
8mH 4.0A
4 1
! L902
!
!
1.5uF 450V
R961 C935
120K 1/4W
CN906
! !
JUMP
QPH7008AL
1
2 12
10
!
GS41-201MA
TH901
SG4
FB923
2 1 1 2
SCK0R75
14
BEAD
13
R918 68K 1/8W
R972
C913 BZX84-B18
18K 1/8W
1N 50V C920 ZD914
R973
680R 1/8W
330nF/25V
RGP10D
IC902 D938
35R W5RH2.5X3X1.0
1 8
FB Vcc
R952
2 7 1 2
Comp Driver
FB964
68R 1/8W
3 6
Mult GND
BC847C
4 5
CS ZCD
SG6961
R932
330R 1/6W
D930
R989
BAV21
4K7 1/6W
R985
4K7 1/6W R983
Q916
BC847C
10R 1/8W
R955
C915
3K3 1/6W
470P 50V
1NF 50V
C925
CN905
13P 2.5MM
1
2
3 O/P >15W
4
5
6 I>4A
7
8
9
10
11
12
13
R921
2M2 1/6W
3 4
5 6 7
+
34g
FB921
HEATSINK
110g
2 1
HD903
35R W5RH2.5X3X1.0
L903
2 Q920
3 STP10NK50
C926
1
ZD915
1.5NF/1KV
5 3 1 7
BZX84-B18
100K 1/8W
7
8 5
R953
D936
RGP10D
47K 1/8W
R929 STW21NM60N
C929
Q902
330PF/1KV Q919
HEATSINK
HQ919
0R12 1W
1 9
R926
HEATSINK
HQ902
R963
R924 100K 1/8W
1
0R12 1W
40g
BZX84-B18
3 1
ZD916
Q917
4K7 1/8W
BC857C D937
R930
RGP10D
Q923
330Ω R984
C966
IC901
1 16
Css VBOOT
2 15
DELAY HVG
3 14
CF OUT
Q922
4 13
RFmin N.C.
BC328-40
5 12
STBY Vcc
6 11
ISEN LVG
7 10
LINE GND
8 9
DIS PFC_STOP
L6599D
D932
100Ω
R982
BAV21
10uF 25V C959
R976 22Ω
1
C945
10
P6KE160A
1500PF 500V 9
ZD911
3
D924 2
UG1006
8
RGP10D D908
7
4
EF20 (10P)
T904
+ C969
!
5
IC903
33uF/25V
5 4
S D
R917 12K 1/6W
6
S
ZD910
7 2 1 2
S BP/M
R991 47Ω
8 1 BZX79-C15
S EN/UV
TNY277
ZD913
BZX79-C9V1
5 6 7
79
8 9 10
!
!
2200pF / 250V C900
C903 2200pF / 250V
IC914
TL431ACZ-AP
3
HEATSINK
HD901
150g
! C922
T905 D901
100N 50V
PT-009983 SBF2060CT
10 2
11
L909
13
16
2.3uH
D928
15 2
SBF1040CT
+
12V
HD928
+ +
17 HEATSINK
+
14
12
18 2
D902
HD902
SBF2060CT
HEATSINK
R938
4.7KΩ
!
R965
R968
470R 1/4W 470R 1/4W
IC910
TCET1103G
2
!
IC909
TCET1103G
R928
2K7 1/8W
R946
Q915
BC847C
10KΩ
HD927
HEATSINK
SBF1040CT L907
D927 5V
2
2.3uH
+ +
C940
0.01uF 100V C955
1 2 2200UF 10V
FB919 35R W5RH2.5X3X1.0
R943
470R 1/6W
TCET1103G
IC911
R949
!
3K3 1/8W
10K 1/8W
R919
C924
100N 50V
R947
Q918
3
BC847C
IC913 22KΩ
10K 1/6W
TL431ACZ-AP
R920
8 9 10
LC-42SB45U
11
BD901 A4 CN901 A1
CN902 D1 CN903 E1
CN905 E2 CN906 B4
C900 B8 C901 B3
C902 B3 C903 B8
C907 B6 C908 B2
C909 B3 C910 C7
A
C912 D3 C913 C3
C915 D3 C916 D3
C918 D4 C920 C4
C922 B10 C923 D6
C924 G9 C925 E4
C926 B6 C927 E5
C928 E5 C929 C6
C930 C7 C931 E6
C932 E5 C934 F10
C935 B5 C936 C9
C937 E8 C939 G6
C940 F8 C941 G7
C942 H9 C945 F6
C951 C9 C952 C9
C955 F9 C956 C9
C959 E6 C966 D5 B
C967 C11 C968 E5
C969 G7 D901 B8
D902 C8 D903 B6
D908 F7 D924 F6
D927 F8 D928 C8
D930 D4 D931 E6
D932 E6 D936 C6
D937 D6 D938 C5
FB903 B5 FB904 B6
FB919 F8 FB920 C6
FB921 B6 FB922 A4
FB923 B4 FB964 C4
F901 B1 HBD901 A4
24V
HD901 B8 HD902 D8
L906
HD903 B5 HD927 F8
C
2U4H HD928 C8 HQ902 C6
HQ919 C6 IC901 D5
IC902 C3 IC903 G5
L908
24A IC909 E8 IC910 D9
IC911 G8 IC913 G8
3.5uH
IC914 B9 L901 B2
+
C967
L902 B3 L903 B5
L906 C10 L907 F9
100uF 35V
L908 C10 L909 C9
Q1 C1 Q2 C2
Q902 C5 Q915 E8
Q916 D3 Q917 D5
Q918 G9 Q919 C7
Q920 B7 Q922 D8
Q923 D5 Q924 G7
RV902 B2 RV903 B7
D
RV904 B4 RV905 C1
R913 D3 R915 E8
R916 D8 R917 G6
R918 C4 R919 G8
R920 G10 R921 G5
R924 C5 R926 C5
R928 E8 R929 C5
R930 D6 R932 D4
R936 B10 R937 B10
R938 D10 R939 B10
R940 B10 R941 G9
R943 F8 R944 G9
R945 G9 R946 E9
R947 G9 R949 G8
R952 C5 R953 C6
R954 E4 R955 D4 E
R956 C6 R957 D6
R958 E4 R959 B4
R960 A4 R961 B4
STANDBY
R962 D3 R963 C6
R965 D9 R966 D5
R967 E5 R968 D10
R969 B6 R970 B6
R971 B6 R972 C4
R973 C4 R974 D2
R975 C2 R976 F6
R977 C2 R978 G7
R979 E6 R980 G7
R982 E6 R983 D4
R984 D6 R985 D4
R986 D3 R987 E4
F
R988 D5 R989 D5
R990 C10 R991 G6
SG1 A2 SG2 B2
SG3 A3 SG4 B3
SG5 C1 TH901 B4
T904 F7 T905 B8
ZD910 G6 ZD911 F6
ZD912 G6 ZD913 G5
ZD914 C5 ZD915 B6
G
H
11