Sharp LC-32A28L - Main Schematic Diagram; System Power; Chapter 8. Schematic Diagram

2008-03-14
LC-32A28L, LC-42A48L
69
CHAPTER 8. SCHEMATIC DIAGRAM
[1] MAIN SCHEMATIC DIAGRAM
01. SYSTEM POWER
R105
100K 1/10W
C116 NC/1nF 50V
C126
0.1uF 50V
8/17 KODI
+3V3SB
C127
0.1uF 50V
U104
VIN
3
VOUT
2
GND
1
U102
G5627F11U
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
Therm al Pad
9
Q103
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
CN701
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
L101 4.7uH
+
C113
470UF 16V
LVDS_CTRL2
LVDS_CTRL2
DV33
GND
+24V
+3V3SB
+5VSB
+5V
+12V
R114
4K7 1/10W 1%
C680
100N 16V
OPWRSB
FB103 220R/2000mA
1 2
R10722K 1/10W
R129
1K 1/10W 5%
FB102 300OHM
1 2
R127
0R01 1/10W
+
C111
100uF/25V
R108
51K 1/10W 5%
Q107
MMBT3904
FB104 300OHM
1 2
R117
10K 1/10W
+
C101
100uF/25V
SMD/0402
U105
VI
3
VO
2
GND
1
4
4
R120
NC/4.7K 1/10W
C120
NC/1uF/16V
C109
1uF 25V
R112
1K8 1/10W 1%
R122
100R 1/10W 5%
R110
NC/10K 1/10W
R104
NC/51K 1/10W 5%
+
C112
NC/100uF/16V
Q106
MMBT3904
R101 NC/22K 1/10W
R113
100R 1/10W 5%
C103
NC/1UF 50V
R126
NC
R109
10R 1/10W 5%
AC_Detect
FB108
33 OHM
FB101 220R/2000mA
1 2
C114
1uF 25V
+
C110
100uF/25V
FB105 300OHM
1 2
R125
NC/560KOHM +-5% 1/10W
C108
1uF 25V
C121
NC/22uF 10V
FB107 220R/2000mA
1 2
OPWM0
C107
1uF 25V
U101
G1117-33T63Uf
VI
3
VO
2
GND
1
4
4
R111
2.7K 1/10W
+
C125
100uF/25V
C115
4.7UF 10V
INVERTER_ON_OFF
BRIGHT_ADJ
FB106 220R/2000mA
1 2
R128
NC/4K7 1/10W
DV33
DV33
+3V3SB
+5VSB
+5VSB
DV33
DV33
+3V3SB
+5V
+5V
VCCK
AV33
DV33
+5V
+5VSB
VCCK
+
C122
NC/100uF/16V
DV33+5V
+5V
+5VSB
DV33
AV125
GND
+3V3SB
DV33
+24V
GPIO0
+5VSB
+12V
+5V
OPWRSB
OPCTRL2
AV33
VCCK
AV125
+
C123
100uF/25V
GPIO0
+
C128
100uF/25V
OPWM0
OPWM0
R103
100R 1/10W 5%
R116
1K 1/10W 5%
R118
100R 1/10W 5%
+12V
+24VSB
+24V
AC_Detect#
+24VSB
Q101
NC/AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q102
NC/MMBT3904
C778
100N 16V
R131
NC/10K 1/16W 5%
R115
4.7K 1/16W
SMD/0402
SMD/0402
R124
4.7K 1/16W
SMD/0402
R119
4.7K 1/16W
FB146
600R/500mA
1 2
PWM CONTROL
DC CONTROL
1K
LO = > POWER_OFF
HI = > POWER_ON
4K7 N/C
BL CONTROL
100R
22U
C121
SMD/0402
4K7
R121
SMD/0402
R122
Stand By Power
C776
100N 16V
SMD/0402
+
C104
100uF/25V
4K75V
INVERTER
ON/OFF
1K
R128
N/C3V3
N/C
R129
C777
100N 16V
R1
C117
0.1uF 50V
INVERTER_SW:
Inverter on: Low
Inverter off: High
ANALOG POWER AV33
AV33
AV125
HI = > POWER_ON
R2
BRIGHT_ADJ
INVERTER_ON_OFF
C119
0.1uF 50V
璓穝
ANALOG POWER AV125
BRIGHT_A DJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
GPIO0(PWM for Bright_Adj):
Max: 0V
Min: +3V3
+5V_STB(+5V1) TO +5V_SW BY OPWRSB
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
FOR
19"22"
16V
SWITCH
INVERTER ON/OFF
R121
4.7K 1/10W
璓穝
BRIGHT ADJUST
U103
G1117T63Uf
VIN
3
GND
1
VOUT
2
TH
4
LO = > POWER_OFF
Vout = 0.8x(R1+R2)/R2
DIGITAL POWER DV33
R130
10K 1/16W 5%
1.25 x (1+ 0/110) = 1.25V
R106
NC/10K 1/16W 5%
SMD/0402
FB134 300OHM
1 2
R132
4.7K 1/16W
SMD/0402
C129
NC/1uF/16V
AC_Detect
+
C118
470UF 16V
GPIO0
OPWM0
STANDBY
VCCK
LVDS_CTRL2
Q104
MMBT3904
ADIN5
Q105
MMBT3904
AC_Detect# OPWRSB
C681
10U 16V
C102
0.1uF 50V
R736
0R05 4A 1/4W