Sharp LC-19LE320 Service Manual page 135

MAIN SCHEMATIC DIAGRAM (for 32", 37" and 42")
01. POWER-1
EU MT5363 - 4 LAYERS
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
DC POWER INPUT
Stand_By:0V
INVERTER_ON_OFF:
Normal: High
CN701
Stand_By: Low
1
INVERTER_ON_OFF
2 BRIGHT_ADJ
3
+12V/5V
4
5
6
7
8
+24V
9
10
R704 100OHM1/16W
11 STB_PWR5V
12
13
C701
NC/22U 10V
CONN R703
10KOHM +-5% 1/8W
FB705
220R/2000mA +5V_STB
1 2
D703 BAS316
C707 C723 C719
MP2212DN
100N 50V 22uF 10V 22uF 10V
4 5
BS VCC
3 6
IN SW
2 7
GND SW
1 8
FB EN/SYNC 9
Thermal Pad
U701
OPWRSB R714
4.7K1/16W
SMD/0402
C709
1UF16V
Vout=0.8x (1+4K/10K) = 1.12V for MP2212
FB706
+5V_SW
220R/2000mA
1 2
D704 BAS316
C711 C726 C724
MP2212DN
100N 50V 22uF 10V 22uF 10V
4 5
BS VCC
3 6
IN SW
2 7
GND SW
1 8
FB EN/SYNC
9
Thermal Pad
U702
Vout=0.8x (1+31.5K/10K) = 3.32V for MP2212
2008-03-14
STB_PWR5V
FB701 120R/3000mA
1
FB702 120R/3000mA
1
STANDBY:
Normal: High
Stand_by: Low
+5V_SW DV33
R713 R712
NC/1K1/16W 1K1/16W
SMD/0402 SMD/0402
STANDBY
STANDBY
SMD/0402
Q705 R710 1K1/16W
BC847C SMD/0402
C725 1UF16V
R716
0R05 1/10W
C717
100N 50V L701
4.7uH
D701
NC/SS3P4 C721
R715 R718 22uF 10V
0R05 1/10W 1K 1/10W 1%
C720 R720
560pF 50V 3K 1/10W 1%
R721
10K 1/10W 1%
C727 1UF16V
R725
0R05 1/10W
C718
100N 50V L702
4.7uH
D702
SS3P4 C728
R726 R719 22uF 10V
0R05 1/10W 1.5K +-1% 1/10W
C722 R723
560pF 50V 30K 1/10W 1%
R722
10K 1/10W 1%
+5V_STB
2
2
+ C702 C708
470UF 10V 100N 16V
OPWRSB(+5V_SW ON/OFF):
SMD/0402
Norm al: High
Stand_By: Low
EC080-35 も础
DV11
STAND_BY
STAND_BY:
Normal: Low
Stand_by: High
DV11
C713 C715
22uF 10V 100N 50V
3
C733
1UF16V
DV33 AV33
R727
0R05 4A 1/4W
C714 C716
22uF 10V 100N 50V
135
LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320
+5V_STB +5V_SW
Q704
8 1
D D
7 2
D D
6 3
R708
D D
5 4
33K 1/10W
S G
AON4421
C712
10U 10V
C705 1UF16V
R711
22KOHM 1/10W
2
R705 2K7 1/16W 5% Q702
SMD/0402 BC847C
C730
100N 16V
SMD/0402
+5V_STB TO +5V_SW BY DV11
FB707 DV33
220R/2000mA
1 2
C729
10uF 16V
DV18_DDR
U703
G1117T43Uf
2
VIN VOUT
+ C734
R717 100UF 25V
EC080-35 も础
120R 1% 1/10W
R731
56R 1/10W 1%
Vout=1.25x (1+56/120)= 1.833V
+24V
12,15 +24V
+12V/5V
5,10,12,15 +12V/5V
+5V_STB
5,8,10,15 +5V_STB
+5V_SW
8,10,11,12,13,14,15,16 +5V_SW
DV18_DDR
9 DV18_DDR
DV11
7 DV11
OPWRSB
10 OPWRSB
STAND_BY
11 STAND_BY
BRIGHT_ADJ
16 BRIGHT_ADJ
INVERTER_ON_OFF
16 INVERTER_ON_OFF
DV33
5,6,7,8,10,11,13,14,15,16 DV33
AV33
8,14,16 AV33
DV33SB
5,10,13,14,15,16 DV33SB
GND
5,6,7,8,9,10,11,12,13,14,15,16 GND
+5V1_TUN
5 +5V1_TUN
+5V_SW +5V1_TUN
FB703 NC/220R/2000mA
1 2
+5V_STB +5V1_TUN
FB704
Q703
6 1 2 1
D D
5 2
220R/2000mA
D D
4 3
S G
AO6415
C706 1UF16V
R701
22KOHM 1/10W
R702 33K 1/10W
STANDBY R707 2 Q701
BC847C
10K1/16W
SMD/0402
STANDBY:
Normal: High
Stand_by: Low