Sharp LC-32LB261U Service Manual page 45
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Also See for LC-32LB261U:
- User manual (87 pages) ,
- Quick setup manual (2 pages) ,
- Important information manual (9 pages)
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32"&42"&50"LCD TV
2/13 modify connector pin type
PS_ON
BL_DIM
CN701
11
12
BL_ON
9
10
7
8
5
6
3
4
1
2
+20V_AUD
+20V
CONN
+20V
C790
R755
100N 50V
1
0R05
2
3
4
C791
+
C794
10UF 25V
220uF 25V
V_out = 0.765 x
(R1+R2)/R2=5.015
Standby Power +3V3SB
3V3SB / 186mA
U701
+5VSB
AP1117E33L-13-77
+3V3SB
3
2
+3V3SB
VIN
VOUT
C715
C719
100NF 16V
100NF 16V
SOT223 1A/3.3V
MAIN POWER
+20V_AUD
C795
C710
C711
C778
+
100PF 50V
0.1uF 50V
220uF 25V
3/26
reserved
32"
12V
42",50"
20V
12V
/ 1.28A
12V_AUD / 2A
L70X70
3A
+5VSB
C789
C776
C792
22UF 16V
NC
100N 16V
L703
R1
10uH
+
C758
U702
NC
9
C753
GND
8
47nF 50V
C793
BS
SS
7
220uF 25V
VIN
EN
6
LX
COMP
5
GND
FB
R2
TPS54339DDAR
R712
R761
0R05 1/10W
C751
C729
NC
0.47uF 16V
R713
DRAM Power 1.8V
DDRV / 140mA
5V_SW
U706
3
2
VIN
VOUT
C743
R744
C717
10UF 10V
100NF 16V
110R 1/10W 1%
R745
48.7 OHM +-1% 1/10W
U706 Thermal
V0=1.25 x (1+R2/R1 )
Best Buy LC-32LB261U- LC-42LB261U- LC-50LB261U
BL_ON
R703
NC
BL_ON/OFF
BL_DIM
R702
BRIGHT_ADJ
BRIGHT_ADJ
6
100R 1/16W 5%
C701
100PF 50V
+20V
R710
100KOHM +-1% 1/10W
R711
C747
NC
NC
R708
6K8 1/16W 5%
PS_ON
+5VSB
C724
C736
R731
10UF 10V
100NF 16V
10R 1/16W 5%
C742
C748
100NF 16V
100NF 16V
DDRV
C744
4.7UF 10% 10V
絬 隔 瓜 絪 腹
Key Component
45
5V_SW
+3V3SB
R722
4K7 1/16W 5%
R701
100R 1/16W 5%
BL_ON
BL_ON_OFF
R743
Q705
C702
MMBT3904
R726
4K7 1/16W 5%
1nF 50V
8.2K 1/16W
+5VSB
+3V3SB
R706
R707
+3V3SB
4K7 1/16W 5%
PS_ON
R742
4K7 1/16W 5%
Q701
R709
MMBT3904
4K7 1/16W 5%
4K7 1/16W 5%
Q706
R753
PWR_ON
MMBT3904
4K7 1/16W 5%
H => POW ER_ON
L =>
POW ER_OFF
+5VSB
5V_SW
Q702
AO3401A
R704
C706
C708
+
10UF 6.3V 20%
47K 1/16W 5%
0.1uF 50V
R705
7K5 1/16W 5%
Q703
C712
MMBT3904
SCREW4
SCREW1
1UF 10V
GND
GND
R730
C750
Vcck / 435mA
4.7UF 10% 10V
U705
4K7 1/16W 5%
9
E-PAD
1
8
VCC
VIN
2
7
REF
LX
3
6
GND
PGND
4
5
L701
FB
EN
4.7uH
C739
C734
C749
AT1529F11U
10UF 10V
100PF 50V
22UF 20% 6.3V
Vout = 0.8x(R1+R2)/R2
T P V ( Top
Victory
Electronics
Co . , Ltd. )
OEM MODEL
TPV MODEL
09. System Power
PCB NAME
Tuesday , May 13, 2014
Sheet
9
of
9
Date
R737
B ack L ig ht On / Off
H I => POW ER_OFF
1K 1/16W 5%
L O => POW ER _ON
BL_ON/OFF
BL_ON/OFF
6
PWR_ON
6
5V_SW / 790mA
C788
NC
SCREW2
SCREW3
GND
GND
Core Power 1.15V
VCCK
R729
C735
C725
10UF 6.3V
NC
6K8 1/10W 1%
R1
R750
0R05 1/10W
R732
R2
15K 1/10W 1%
Size
Custom
Rev
B
32"
称 爹
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