Sharp LC-22LE320 - Page 178

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320
178
02. POWER-2
+12V
R753
+12V/5V
R751
DV33
AV12
NO
DV33SB
YES
YES
AV33
PANEL_VCC
NO
Panel VCC=12V or 5V
DV33 TO AV12
Vo=1.25 x (1+1R/120R) = 1.25V
+5V1_TUN
Vo=1.25 x (1+1R/120R) = 1.25V
PANEL_VCC_ON/OFF
+5V_TUNER
+5V_SW
PANEL_VCC_ON/ OFF
SMD/0402
DV12
C755
4.7UF 10V
0.5((22K+20K+4K7)/4K7)=4.96V
+5V_TUNER FROM Regulator
+5V_STB TO DV33SB
+5V_STB
R753
NC/0R05 4A 1/4W
U755
SC4215HSETRT
NC
1
EN
2
VIN
3
NC
4
GND
8
FB
7
VO
6
NC
5
TH1
9
C756
100N 16V
R757
1 OHM 1/10W
R761
4K7 OHM 1/10W 1%
C759
NC/10U 10V
C768
10U 16V
C758
1UF16V
U753
G1117T43Uf
VIN
3
VOUT
2
GND/ADJ
1
R750
10K 1/10W
+ C752
100UF 16V
R759 20K 1/10W 1%
R762
120R 1% 1/10W
R758 7K5 1/10W 5%
U754
G1117T63Uf
VIN
3
GND
1
VOUT
2
TH
4
FB750 NC/220R/2000mA
1 2
C765
1UF16V
R756
120R 1% 1/10W
C754 1UF16V
C767
10U 10V
R760 22K 1/10W 1%
C769
10U 10V
R752
5.1K 1/10W
C757
NC/10U 10V
U751
G903T63UF
VIN
3
VOUT
2
GND
1
4
4
R763
1 OHM 1/10W
+ C753
100UF 16V
C764
10U 10V
Q750
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
R755
10K 1/10W
C766
1UF16V
FB751 220R/2000mA
1 2
Q751
BC847C
R751
0R05 4A 1/4W
PANEL_VCC
+5V_STB D V33SB
AV12DV33
+12V/5V
DV12
DV33
+5V1_TUN
PANEL_VCC_ON/ OFF8
+5V_STB
+5V_TUN ER
+12V/5V4
+5V_SW4,8,10,11,12,13,14,15, 16
DV334,6,7,8, 10,11,14,15,16
AV127,8,9,14,16
GND4,6,7,8,9,10,11,12,13, 14,15,16
+5V_STB4,8,10,15
DV33SB10,13,14,15,16
DV126
AV334,8,14,16
PANEL_VCC16
DV18_DDR4,9
+5V_TUN ER6
+5V1_TUN4
DV18_DDR
DV33 TO DV12 for DVBC Demod
PANEL
VCC
EC063-25-AI
EC063-25-AI
+5V
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
GND