Read Sharp LC-26SB25E Service Manual online
102
1. POWER SCHEMATIC DIAGRAM for 42”
[2] POWER SCHEMATIC DIAGRAM
LC-26SB25E/S
, LC-32SB25E/S
, LC-42SB55E/S
/RU
/RU
/RU
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
150g
110g
40g
34g
29g
29g
29g
O/P >15W
I>4A
!
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
C912 D3
C913 C3
C915 D3
C916 D3
C918 D4
C920 C4
C922 B10 C923 D6
C924 G9
C924 G9
C925 E4
C926 B6
C927 E5
C928 E5
C929 C6
C930 C7
C931 E6
C932 E5
C933 E6
C934 F10 C935 B5
C936 C9
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
C967 C11
C968 E5
C969 G7
C970 F4
D901 B8
D902 C8
D903 B6
D908 F7
D924 F6
D927 F8
D928 C8
D930 D4
D931 E6
D932 E6
D933 E7
D936 C6
D937 D6
D938 C5
D940 C5
FB903 B5
FB904 B6
FB919 F8
FB920 C6
FB921 B6
FB922 A4
FB923 B4
FB964 C4
F901 B1
HBD901 A4
HD901 B8
HD902 D8
HD903 B5
HD927 F8
HD928 C8
HQ902 C6
HQ919 C6
IC901 D5
IC902 C3
IC903 G5
IC909 E8
IC910 D9
IC911 G8
IC913 G8
IC914 B9
L901 B2
L902 B3
L903 B5
L906 C10 L907 F9
L908 C10 L909 C9
Q1
L908 C10 L909 C9
Q1
C1
Q2
C1
Q902 C5
Q915 E8
Q916 D3
Q917 D5
Q918 G9
Q919 C7
Q920 B7
Q922 D8
Q923 D5
Q924 G7
RV902 B2
RV903 B7
RV904 B4
RV905 C1
R913 D3
R915 E8
R916 D8
R917 G6
R918 C4
R919 G8
R920 G10 R921 G5
R924 C5
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
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
R956 C6
R957 D6
R958 E4
R959 B4
R960 A4
R961 B4
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 F7
R977 C2
R978 G7
R979 E6
R980 G7
R981 F6
R982 E6
R983 D4
R984 D6
R985 D4
R986 D3
R987 E4
R988 D5
R989 D5
R990 C10
R991 G6
R992 F6
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
STANDBY
STANDBY
24V
24V
12V
5V
24A
24A
12V
5V
HD927
HEATSINK
HD902
HEATSINK
R9
69
1M
1/4W
R947
22K
Ω
R9
80
330K
1/8W
D9
31
BAV21
D924
UG1006
UG1006
R
V902
TVR
1
4511KFC
4FY
ZD
912
BZX79-C
5V1
1
2
R952
68R 1/8W
C908
0.68U 275V
R
944
10K
Ω
R963
100K 1/8W
Q902
STW21NM60N
R985
4K7 1/6W
R965
470R 1/4W
R926
0R18 1W
R9
54
15K
1/4W
R9
70
1M
1/4W
R946
10K
Ω
CN906
JUMP
JUMP
1
2
2
+
C9
51
1000uF
35V
ZD910
BZX79-C15
1
2
C9
16
330N
25V
ZD913
BZX79-C9V1
1
2
F901
T6.3AH-250V
+
C959
22uF/50V
R938
4.7K
Ω
HBD901
HEATSINK
R983
10R 1/8W
HQ919
HEATSINK
CN905
13P 2.5MM
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
R943
470R 1/6W
FB922 BEAD
1
2
R
939
18K
1/8W
FB921
35R W5RH2.5X3X1.0
1
2
R9
90
3K3
1/8W
R
971
1M
1/4W
C9
28
100N
50V
R9
57
68R
1/8W
D930
BAV21
Q1
screw plate
R917 12K 1/6W
IC914
TL431ACZ-AP
TL431ACZ-AP
1
3
2
RV9
04
T
VR
1
451
1K
F
C
4F
Y
R9
13
33K
1/8W
+
C9
56
1500U
F
16V
+
C9
0
7
180uF
450V
R9
4
5
1.0K
Ω
1%
R920
10K 1/6W
FB920
3
5R
W
5
RH2.5
X3X1
.0
1
2
C922
100N 50V
Q2
screw plate
C9
32
10N
25V
R9
36
100K
Ω
R973
680R 1/8W
HQ902
HEATSINK
HD901
HEATSINK
ZD914
BZX84-B18
1
3
R9
66
2K2
1/8W
D933
BAV21
R977
2M2 1/4W
CN902
64842 12P 2.5MM
1
2
3
4
5
6
7
8
9
10
11
12
2
3
4
5
6
7
8
9
10
11
12
+
C9
3
4
47uF
25V
R
987
100K
1/6W
R9
7
8
120K
1/8W
R9
4
1
18K
1/8W
IC909
TCET1103G
TCET1103G
1
2
4
3
IC911
TCET1103G
1
2
4
3
+ C969
33uF/25V
R9
6
2
24K
1/8W
R932
330R 1/6W
R961
120K 1/4W
Q923
BC857C
D928
SBF1040CT
1
2
3
R9
16
15K
1/8W
+
C970
10uF
25V
D938
BAV21
D932
BAV21
SG1
GS41-201MA
R989
4K7 1/6W
R921
2M2 1/6W
R9
5
6
68R
1/6W
R9
15
47K
1/8W
R929
47K 1/8W
R955
3K3 1/6W
R975
2M2 1/4W
C
930
220PF/1KV
L903
QPH7008AL
3
7
10
14
2
5
8
13
12
-
+
BD901
GBJ1508
2
1
3
4
FB904
3.5*
4.7
SG2
GS41-201MA
Q918
BC847C
BC847C
Q919
STP10NK50
2
1
3
ZD916
BZX84-B18
1
3
+
C9
36
47uF
25V
L909
2.3uH
C900
2200pF / 250V
C9
01
470pF/250V
R9
58
33K
1/8W
R928
2K7 1/8W
C9
4
1
330N
25V
R9
7
9
360
Ω
R968
470R 1/4W
D
903
STTH
8L06FP
C9
18
330N
25V
C929
330PF/1KV
R9
67
1M
1/8W
C9
1
2
2u2F/16V
t
TH901
SCK0R75
1
2
R953
100K 1/8W
+ C966
10uF
25V
R9
8
8
4K7
1/8W
C9
27
3N
3
50V
C924
100N 50V
IC901
L6599D
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Css
DELAY
CF
RFmin
STBY
ISEN
LINE
DIS PFC_STOP
DELAY
CF
RFmin
STBY
ISEN
LINE
DIS PFC_STOP
GND
LVG
Vcc
N.C.
OUT
HVG
VBOOT
L901
FPH6001AL
1
4
2
3
C925
1NF 50V
R9
92
NC
C9
2
3
330N
25V
R
959
120K
1/4W
R9
86
10K
1/8W
D940
BAV21
SG3
GS41-201MA
IC913
TL431ACZ-AP
1
3
2
C935
1.5uF 450V
C9
1
0
100N
630V
C9
09
0.68U
275V
HD903
HEATSINK
L902
8mH 4.0A
1
2
4
3
FB919 35R W5RH2.5X3X1.0
1
2
C933
470N 50V
RV9
03
T
VR
1
451
1K
F
C
4F
Y
R918 68K 1/8W
FB923
BEAD
1
2
D908
RGP10D
Q916
BC847C
C920
330nF/25V
D936
RGP10D
R982
100
Ω
Q915
BC847C
C913
1N 50V
R9
37
2K2
1/8W
C
902
470pF/250V
C940
0.01uF 100V
+ C9
52
1000uF
35V
D927
SBF1040CT
1
2
3
C915
470P 50V
R972
18K 1/8W
SG4
GS41-201MA
IC902
SG6961
1
2
3
4
8
7
6
5
FB
Comp
Mult
CS
Vcc
Driver
GND
ZCD
R930
4K7 1/8W
Q920
STP10NK50
2
1
3
Q9
2
4
BC
857C
IC910
TCET1103G
TCET1103G
1
2
4
3
HD928
HEATSINK
HEATSINK
T904
EF20 (10P)
1
3
2
7
10
8
5
4
9
C903
2200pF / 250V
R949
3K3 1/8W
C945
1500PF 500V
C9
31
220PF/1KV
ZD911
P6KE160A
1
2
TNY277
IC903
5
6
7
2
8
1
4
S
S
S
BP/M
S EN/UV
D
C9
68
100N
50V
FB903
3.5*
4.7
CN903
13P 2.5MM
1
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
Q917
BC847C
C9
37
10N
F/50V
R984
330
Ω
D901
SBF2060CT
1
2
3
R924
0R18 1W
R974
2M2 1/4W
R991
47
Ω
R976
22
Ω
D902
SBF2060CT
SBF2060CT
1
2
3
C9
4
2
10N
F/50V
SG5
GS41-201MA
Q922
BC328-40
2
1
3
R9
81
6K8
1/8W
+
C955
2200UF 10V
L908
2.3uH
L906
2U4H
ZD915
BZX84-B18
1
3
C9
39
100N
F/50V
D937
RGP10D
RV905
TVR14511KFC4FY
T905
PT-009983
PT-009983
12
17
5
7
13
11
15
16
1
9
10
14
18
FB964
35R W5RH2.5X3X1.0
1
2
CN901
20174
1
3
2
L
E
N
L907
2.3uH
R
940
1K5
1/8W
C926
1.5NF/1KV
R960
120K 1/4W
R919
10K 1/8W
+
C967
100uF 35V
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