Sharp LC-26SB25S Service Manual

103
2. POWER SCHEMATIC DIAGRAM for 26” and 32”
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
1
2
3
!
!
!
!
!
!
!
!
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!
!
!
!
!!
!!
To scaler
To panel
!
!
36g
82g
30g62g
O/P >15W
!
BD901 A1 CN901 E1
CN902 G8 CN903 F10
C901 D2 C902 C2
C903 C1 C904 C2
C905 A2 C906 F1
C907 A5 C908 F1
C909 B4 C910 B3
C911 B3 C912 C4
C913 C3 C914 C3
C915 C4 C916 B3
C931 D6 C932 E3
C933 E3 C934 F3
C935 F4 C936 E5
C937 E5 C938 F4
C939 E5 C940 F5
C941 F6 C942 G2
C943 E8 C944 E9
C945 E9 C946 E8
C947 E9 C948 G3
C949 G3 C951 A7
C952 F5 C953 A6
C954 E6 C956 F8
C957 G9 C958 G8
C959 A8 C960 B5
C980 B7 C981 C7
C982 C7 C983 C7
C984 B9 C985 B9
C986 B10 C987 H6
C989 C9 D902 A5
D903 B4 D914 F9
D935 B9 D951 D5
D952 E5 D955 D8
D956 E8 D980 B7
D981 B7 D982 A8
FB902 A2 FB904 A5
FB905 A6 FB980 B9
F901 E1 F903 E9
HBD901 A1 HD902 A4
HD935 A9 HD955 D7
HQ901 B5 HQ951 D6
HQ952 D6 IC901 B3
IC931 C6 IC932 C8
IC951 E4 IC952 G2
IC953 G3 IC982 C8
IC991 G6 L901 C2
L902 B2 L903 A2
L904 B1 L905 B2
L906 A3 L907 E5
L931 E8 L971 D8
L980 B9 NR901 D1
Q901 B4 Q931 C6
Q945 G5 Q951 E6
Q952 E6 Q988 G6
Q992 D10 Q993 D9
RV901 E2 RV902 A6
RV903 B2 R901 D2
R902 D2 R903 D1
R905 B3 R906 B3
R907 C3 R908 C3
R909 D4 R910 C5
R911 C4 R912 C4
R913 C4 R915 C5
R916 B4 R917 C4
R918 B4 R919 B4
R930 B6 R931 D6
R933 C5 R934 C5
R935 C5 R936 E5
R937 G5 R945 G6
R950 D10 R953 D4
R954 E4 R955 E4
R956 F4 R957 E3
R958 E3 R959 E2
R960 E5 R961 E5
R962 E5 R963 E6
R964 F5 R965 F6
R966 E3 R967 G2
R968 G3 R969 G3
R970 G3 R971 G4
R972 G3 R973 H3
R974 E9 R975 E9
R976 E9 R977 G9
R980 G6 R981 G4
R982 C7 R983 C9
R984 C7 R985 C9
R986 C10 R987 C10
R988 C7 R989 G1
R990 C9 R991 C9
R992 C9 R993 D9
R994 H6 R995 C9
R996 B8 R997 G8
R998 B7 R999 C7
SG901 C1 SG902 C2
SG903 C1 SG904 C2
T901 B8 T902 E7
ZD930 C6 ZD931 D5
ZD935 G5 ZD937 G4
ZD965 C10 ZD966 C10
ZD967 H2 ZD980 B7
ZD981 C7 ZD982 C8
RFmin_FB
STBY
RFmin
+5V
STANDBY_IN
VCC_PI
+5V
VCC_PI
STANDBY_IN
RFmin_FB
STBYRFmin
BRIGHT-ADJ
INVERTER-ON-OFF
STANDBY_IN
STANDBY BRIGHT-ADJ
INVERTER-ON-OFF
+400V_F
+400V_F
+24V_F
+24V_F
+24V
+24V
+12V
+12V
+400V
VCC_PFC
+5VSB
12V+24V_A
+400V
VCC_PFC
VCC_PFC
+12V_F
+400V
+400V_F
12V +24V
+24V_A
+5VSB
+24V
Vac_in
Vac_in
12V
R980
4.7K
R970
1K_NC
C914
1uF
ZD931
RLZ5.1B
1
2
ZD967
RLZ27B_NC
1
2
Q993
2N7002
1
3
2
C948
47N 50V
IC951
L6599D
1
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
GND
LVG
Vcc
N.C.
OUT
HVG
VBOOT
R955
2M
C984
10nF/100V
1 2
L903
BEAD
1 2
+
C946
470uF/25V
R993
22K_1%
C980
1.5nF/500V
C960
470pF/1KV
C906
2200pF/250V
R977
2.4K_1/2W
C951
2.2nF/1KV_NC
L931
3.5uH
C953
2.2nF/500V
R913
18K_1%
R917
220R
R965
0R43 5% 2W
R990
0R
D980
UG1007
IC901
SG6961
1 2 3 4
5 6 7 8
INV
COMP
MOT
CS ZCD
GND
OUT
VCC
R907
33K
C983
0.1uF
IC991
TCET1103G
1
2
4
3
HQ901
Heatsink
4 3
21
R909
680R_1%
R981
47K_1%
1
2
FB980
Bead
1 2
SG901
DSP201M-A21F
R991
11K_1%
D955
SP20100
1
2
3
SG902
DSP201M-A21F
L971
3.0uH
R959
1M
R974
5.1K
R995
3.3K
C945
0.1uF
R988
390K
HD935
Heatsink
1
F903
T2.5A
1 2
ZD930
RLZ9.1B_NC
1
2
SG904
DSP201M-A21F
F901
T5AH/250V
1
3
2
4
T901
EF-20
3
2
1
4
5
8
10
7
9
6
RV902
TVR14561_NC
1
2
R969
3.3K
SG903
DSP201M-A21F
R950
100K
R967
100R
FB902
NC
12
CN902
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
R919
47R
C938
0.1uF_NC
CN903
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
C916
10pF
1
2
R930
2.2M_NC
Q945
BC337
2
13
D914
Jump wire
R992
18K_1%
R968
10K
R964
1K
R908
33K
R953
2M
R975
5.1K_NC
R937
10R
C956
0.1uF_NC
R985
10K
R989
0R_NC
C908
2200pF/250V
C952
1nF_NC
R971
Jump
1
2
R997
1K
1 2
ZD981
RLZ15B
1
2
R958
18K_1%
R973
1.96K _1%
IC953
TL431
Q992
2N7002
1
3
2
L980
3.5uH
R905
47K
Q931
BC857C
1
2
3
R954
2M
R931
300K
C957
0.1uF_NC
C933
220pF
+
C959
10UF/50V
+
C944
470UF35V
C931
0.33uF
C911
0.1uF
L905
BEAD
1
2
R918
10R
ZD980
P6KE160A
R999
1M_NC
C936
0.1uF
C909
2.2uF/25V
HQ952
Heatsink
1
R903
150K
D982
RGP10D
C935
0.1uF
D935 SP1060
1
3
2
R986
100R
+
C986
47uF 25V
R960
22R
T902
ERL35
1
14
16
2
8
13
10
9
11
7
12
15
C903
470pF
C934
1uF
ZD982
RLZ5.1B_NC
1
2
-
+
BD901
KBJ608G
2
1
3
4
C939
2.2uF/25V
R911
1M_1%
C982
100pF
R902
150K
R987
100R
C940
1nF
D981
1N4148
R910
1M_1%
C987
0.1uF
HQ951
Heatsink
1
D956
SP1060
1
2
3
C915
1nF
D902
STTH8L06FP
R976
1.2K_NC
R962
22R
FB905
Jump
1 2
R906
200K_NC
HD902
Heatsink
1
ZD935
RLZ15B
1
2
R956
27K
R901
150K
Q951
STP10NK60ZFP
t
NR901
SCK101R55LSY
1
2
D952
BAV103
ZD966
RLZ15B
1
2
IC932
TCET1103G
1
2
4
3
R966
3.9K_1%
1
2
R933
2M
D903
LS4148
R961
51K
Q988
2N7002
1
3
2
HBD901
Heatsink
4 3
21
Q952
STP10NK60ZFP
D951
BAV103
R982
47R
C942
4.7nF
R957
10K
IC952
TCET1103G
1
2
4
3
R916
51K
R972
20.5K_1%
CN901
SOCKET
1 2
3
C937
0.1uF
R984
12K
C958
0.1uF_NC
+
C947
220uF/25V
+
C981
33uF_50V
R934
2M
FB904
Bead
1 2
R983
220R
L906
PFC Choke_290uH
6 5 2 1
7 8 9
R994
100KΩ
1
2
R936 10R
C949
0.1uF_NC
HD955
Heatsink
4
1
3
2
C932
0.22uF
R963
51K
L902
13mH
1
2
4
3
C954
2.2nF/500V_NC
ZD937
RLZ15B
1
2
ZD965
RLZ27B
1
2
C910
10pF_NC
C902
470pF
L907
33U
C904 470nF
IC982
TL431
C989
0.1uF
+
C985
2200uF 10V
R935
2M
R998
0R
C941
27nF/1000V
Q901
STW20NM60
2
1
3
C912
220pF
+
C943
1000UF35V
C913
330nF
R945
10K
L904
BEAD
1
2
C901 470nF
+
C907
120uF450V
R912
1M_1%
L901
13mH
1
2
4
3
RV901
TVR14561
C905
1uF/450V
TNY277
IC931
1
6
27
4
8
5
EN/UV
S
BP/MS
D
S
S
R915
0.12R_2W
RV903
TVR14511
R996
10R

Sharp LC-26SB25S Specifications

General

Brand	Sharp
Model	LC-26SB25S
Category	LCD TV
Language	English