Main Schematic Diagram - Sharp LC-42SH330 Service Manual

CHAPTER 8. SCHEMATIC DIAGRAM

[1] 26" MAIN SCHEMATIC DIAGRAM

01. POWER-1
EU MT5363 - 4 LAYERS for small size
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
DC POWER INPUT Stand_By:0V
INVERTER_ON_OFF: STANDBY:
Normal: High Normal: High
CN701
Stand_By: Low Stand_by: Low
1 INVERTER_ON_OFF
2 BRIGHT_ADJ
3
+12V/5V
4
5
6
7
8
PWR_24V_16V
9
10
R704 100OHM1/16W
11 STB_PWR5V SMD/0402
12
13
C701
NC/22U 10V
CONN R703
NC/10KOHM +-5% 1/8W
FB705
+5V_STB
220R/2000mA
1 2
C725
D703 BAS316
R716
C707 C723 C719 0R05 1/10W
MP2212DN
100N 50V 22uF 10V 22uF 10V
4 5
BS VCC
3 6
IN SW
2 7
1 GND SW 8
FB EN/SY NC
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
C727
D704 BAS316
C711 C726 C724 0R05 1/10W
MP2212DN
100N 50V 22uF 10V 22uF 10V
4 5
3 BS VCC 6
IN SW
2 7
GND SW
1 8
FB EN/SY NC
9
Thermal Pad
U702
Vout=0.8x (1+31.5K/10K) = 3.32V for MP2212
2008-03-14
STB_PWR5V
FB701 120R/3000mA
1 2
FB702 120R/3000mA
1 2
+5V_SW DV33
STANDBY R713 R712
NC/1K1/16W 1K1/16W
SMD/0402 SMD/0402
STANDBY
R710
Q705 1K1/16W
BC847C SMD/0402
1UF16V
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%
1UF16V
R725
C718
100N 50V L702
4.7uH
D702
FB340M 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
+ C702 C708
470UF 10V 100N 16V DV11(+5V_SW ON/OFF):
SMD/0402
Norm al: High
Stand_By: Low
EC080-35 も础
DV11 R705 2K7 1/16W 5%
SMD/0402
STAND_BY
STAND_BY: +5V_STB TO +5V_SW BY DV11
Normal: Low
Stand_by: High
DV11
STANDBY:
Normal: Hight
Stand_by: Low
C713 C715
22uF 10V 100N 50V
R724
STANDBY
47K1/16W
SMD/0402
PW R_24_16V TO +24_16V BY STANDBY (Sound)
DV33 AV33
R727
0R05 4A 1/4W
FB707
220R/2000mA
1
C714 C716
22uF 10V 100N 50V
U703
G1117T43Uf
3
VIN VOUT
C733
1UF16V
123
+5V_STB +5V_SW
Q704
8 1
D D 8,10,11,12,13,14,15,16
7 2
D D
6 3
R708
D D
5 4
33K 1/10W
S G
AON4421
C712
C705 1UF16V 10U 10V
5,6,7,8,10,11,14,15,16
R711
5,10,13,14,15,16
22KOHM 1/10W
2
Q702
5,6,7,8,9,10,11,12,13,14,15,16
BC847C
C730
100N 16V
SMD/0402
PWR_24V_16V +24V_16V
R729
NC/0R05 1/4W
Q707
8 1
D D
7 2
R728
D D
6 3
10K 1/10W
D D
5 4
S G
AON4421
C731 C732
1uF 25V 10uF 25V
R733
5K1 1/10W 1%
R730
7K5 1/10W 5%
2
Q706
BC847C
C735
22uF 10V
+5V_SW
DV33
2
C729
10uF 16V
DV18_DDR
2
+ C734
R717 100UF 25V
120R 1% 1/10W
STANDBY
EC080-35 も础
STANDBY:
R731
Normal: High
56R 1/10W 1%
Stand_by: Low
Vout=1.25x (1+56/120)= 1.833V
LC-26SH330, LC-32SH330, LC-42SH330
+24V_16V
12,15 +24V_16V
+12V/5V
5 +12V/5V
+5V_STB
5,8,10,15 +5V_STB
+5V_SW
+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
DV33
AV33
8,14,16 AV33
DV33SB
DV33SB
GND
GND
+5V1_TUN
5 +5V1_TUN
+5V1_TUN
FB703 NC/220R/2000mA
1 2
+5V_STB +5V1_TUN
Q703 FB704
AO6415
6 1 2 1
D D
5 2
220R/2000mA
4 D D 3
S G
C706 1UF16V
R701
22KOHM 1/10W
R702 33K 1/10W
2
R707 Q701
10K1/16W BC847C
SMD/0402