Sharp LC-26SB25S Service Manual

86
LC-26SB25E/S , LC-32SB25E/S , LC-42SB55E/S/RU /RU /RU
2. POWER-2
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
The item of this page start from "150"
+5V_SW TO AV33 +5V_STB TO +3V3SB(For CEC MCU)
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
Panel VCC=5V
Panel VCC=12V
R154
R164
R166
100R
R155
15K
C172
N/C
C154
C167
470U
22U
100N
4U7
R157
22U
Q150
Q151
L150
U155
D151
0R
SI5441
BC847C
2K2
SS3P4
N/C
R159
N/C
N/C
N/C
N/C
TPS5430
10K
1K
N/C
N/C
N/C
N/C
N/C
N/C
R153
N/C
N/C
0R
N/C
N/C
PANEL
VCC:+12V
ITEM
PANEL
VCC: +5V
C156
N/C
C157
R158
1K N/C
R176 0RN/C
330U
C165 N/C 100N
R171 N/C 0R
C163 N/C 10N
R161 N/C 4K7
PANEL_VCC_ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
Use new comp
Add Thermal Pad
1.22 x (1+15K/4.7K) = 5.1V
+5V_SW TO AV25
Add Thermal Pad
Vo=1.25 x (1+120R/120R) = 2.5V
Vo=1.25 x (1+1R/120R) = 1.26V
AV25 TO AV12
SMD/0402
SMD/0402
Add Thermal Pad
+5V_SW TO DV33
Add Thermal Pad
Vo=1.25 x (1+270R/120R) = 1.8V
DV33 TO DV18_CI
SMD/0402
Add Thermal Pad
Vo=1.25 x (1+1R/120R) = 1.26V
DV33 TO DV18_12_DM
SMD/0402
MT5131 MT5133
R170 YES N O
C173
U158
C175
NO YES
+5V_TUNER FROM Regulator
SMD
SMD
SMD
SMD
SMD SMD
SMD
SMD
HV TYPE
+5V_TUNER FROM +5V1_TUN
R172
R175
U159
N/C
C176
R174
1N/25V
C178
C177
LD39080
47UF/16V
4K7
N/C
R173
N/C
N/C
N/C
51K
20K
N/C
N/C
N/C
POWER
32"/37"
ITEM
POWER
42"/47"
FB150 N/C
BEAD
47UF/16V
0R
+5V_TUNER deviation
of different Power board
Panel VCC deviation
HV TYPE
C150 E2 C151 A3
C152 G8 C153 E3
C154 B8 C155 A4
C156 E6 C157 E8
C158 E1 C159 A2
C160 C1 C 161 C2
C162 E4 C163 B7
C164 E3 C165 B6
C166 A1 C167 E8
C168 C1 C 169 F3
C170 F4 C171 G3
C172 B6 C173 G1
C174 C7 C 175 G2
C176 G7 C 177 G5
C178 G6 D150 B1
D151 B7 FB150 B3
L150 B8 Q150 D7
Q151 E7 R151 C2
R152 C2 R 153 C6
R154 B6 R155 D7
R156 C3 R157 E7
R158 E6 R159 E7
R160 B7 R161 B8
R162 E4 R163 E4
R164 E7 R165 F4
R166 A8 R167 G4
R168 C3 R169 B7
R170 F2 R171 B7
R172 G7 R 173 G7
R174 G6 R175 F8
R176 A6 R177 A6
U151 A1 U152 A3
U153 C1 U 154 D3
U155 A7 U156 F3
U157 E1 U158 G1
PANEL_VCC_ON/OFF
PANEL_VCC_ON/OFF
GND
+5V_SW
+5V_STB
DV33SB
PANEL_VCC
+12V
DV33
AV33
PANEL_VCC_ON/OFF
AV12
+5V_TUNER
AV25
+5V1_TUN
+24V
+3V3SB
DV18_CI
DV18_12_DM
PANEL_VCC_ON/OFF6
DV331,4,5,6,9,10,15,16,17
+5V_TUNER3
+5V_SW1,7,10,12,13,14,15,16,17
+12V1,12,16
DV33SB1,5,6,9,11,15,16,17
+5V_STB1,9,11
GND1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
AV127,13,15
PANEL_VCC17
AV334,7,15,16,17
AV253,14
+5V1_TUN1
+24V1,6,16
+3V3SB1,11
DV18_CI10
DV18_12_DM4
AV33
+3V3SB+5V_STB
+5V_SW
PANEL_VCC+12V
PANEL5V PANEL_VCC
PANEL5V
+12V
AV25 AV12
+5V_SW
AV25
+5V_SW DV33
DV33 DV18_12_DM
DV33 DV18_CI
DV18_12_DM DV18_CI
+5V1_TUN +5V_TUNER
+5V1_TUN +5V_TUNER
+24V
R167
1 OHM +-5% 1/10W
R172
20KOHM +-1% 1/10W
+
C162
100uF 16V
C163
10N 50V
Q151
BC847C
R160
NC/56R 1/8W
L150 22uH
R159
10K 1/10W
R165
120 OHM +-1% 1/10W
R158 1K 1/10W 5%
R161
4.7KOHM +-1% 1/10W
U159
LD39080PT-R
1
2
3 5
4
VINH
VIN
GND ADJ
VO
D151
SS3P4
1
2
R171
0R05 1/10W
R154
100 OHM +-5% 1/10W
+
C152
470uF 16V
C169
100N 16V
C173
100N 16V
R176
0R05 1/4W
R155
0R05 1/8W
C176
1N 25V
/ADJ
U154
LD1117DTTR
3
1
2
VIN
GND
VOUT
U155
TPS5430DDAR
1
2
3
45
6
7
8
9
BOOT
NC
NC
VSENSEENA
GND
VIN
PH
G-pad
C160
100N 16V
U158 LD1117S18
3 2
1 4
VI VO
GND
4
C165
100N 50V
R177
NC/0R05 1/4W
+ C155
NC/100uF 16V
FB150 NC/220R/2000mA
1 2
C171
10U 10V
R166
15KOHM +-1% 1/10W
/ADJ
U153
LD1117ADT-TR
3
1
2
VIN
GND
VOUT
R175
0R05 1/4W
R170
NC/0R05 1/10W
/ADJ
U157
LD1117DT33TR
3
1
2
VIN
GND
VOUT
Q150
SI5441DC
1
2
3
45
6
7
8
D
D
D
GS
D
D
D
+ C177
47uF 16V
+
C154
330UF 16V
+
C159
100uF 16V
/ADJ
U156
LD1117DTTR
3
1
2
VIN
GND
VOUT
+
C170
100uF 16V
C156
100N 16V
+ C161
100uF 16V
/ADJ
U151
LD1117DT33TR
3
1
2
VIN
GND
VOUT
+ C178
47uF 16V
D150
RGP15D
1
2
AK
+
C172
470uF 35V
R152
120 OHM +-1% 1/10W
C153
10U 10V
C166
100N 16V
C158
100N 16V
R163
1 OHM +-5% 1/10W
R162
120 OHM +-1% 1/10W
+
C150
100uF 16V
R173
51KOHM +-1% 1/10W
U152
AME8810-AEGTZ 0.6A/3.3V
1
23
4
GND
VOUT(heat sink)VIN
4
C175
10U 10V
R169
NC/56R 1/8W
R168 NC/1.5 OHM 1/4W
C168
10U 10V
R156 NC/1.5 OHM 1/4W
R164
1K 1/10W 5%
R157
2K2 1/10W 5%
R153
NC/0R05 1/8W
C174
NC/330P 50V
C151
100N 16V
C157
4.7uF25V
+
C167
22uF 16V
R151
120 OHM +-1% 1/10W
R174
4.7KOHM +-1% 1/10W
C164
100N 16V

Sharp LC-26SB25S Specifications

General

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