Sharp LC-37LE320 - 02. POWER-2

2008-03-14
LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320
191
02. POWER-2
+12V/5V
DV33
AV12
+5V_STB
DV33SB
AV33
PANEL_VCC
NO
R751R753
+12V
NOYES
YES+5V
PANEL
VCC
C756
100N 16V
Panel VCC=12V
R755
10K 1/10W
C758
1UF 16V
C767
10U 10V
Q751
BC847C
C757
NC/10U 10V
DV33 TO AV12
Vo=1.25 x (1+1R/120R) = 1.25V
R756
120R 1% 1/10W
+5V1_TUN4
+5V1_TUN
R757
1 OHM 1/10W
Vo=1.25 x (1+1R/120R) = 1.25V
Q750
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
C768
10U 16V
C765
1UF16V
DV33SB+5V_STB
PANEL_VCC+12V/5V
DV33 AV12
R758 7K5 1/10W 5%
PANEL_VCC_ON/OFF8
DV334, 6,7,8,10,11,13,14, 15,16
+5V_SW4,8,10,11,12,13,14,15,16
DV33SB10,13,14,15, 16
+12V/ 5V4, 10,12,15
PANEL_VCC_ON/OFF
GND4,6, 7,8,9,10,11,12,13, 14, 15,16
+5V_STB4,8, 10,15
AV127,8,9,14,16
AV334,8,14,16
PANEL_VCC16
+5V_TUNER6
DV126
+5V_TUNER
C764
10U 10V
+5V_SW
C769
10U 10V
PANEL_VCC_ON/OFF
U753
G1117T43Uf
VIN
3
VOUT
2
GND/ADJ
1
U751
G903T63UF
VIN
3
VOUT
2
GND
1
4
4
SMD/0402
U754
G1117T63Uf
VIN
3
GND
1
VOUT
2
TH
4
DV12
C755
4.7U F 10V
R761
4K7 OHM 1/10W 1%
0.5((22K+20K+4K7)/4K7)=4.96V
FB750 NC/220R/2000mA
1 2
U755
SC4215HSETRT
NC
1
EN
2
VIN
3
NC
4
GND
8
FB
7
VO
6
NC
5
TH1
9
+5V1_TUN +5V_TUNER
R759 20K 1/10W 1%
R760 22K 1/10W 1%
+5V_TUNER FROM Regulator
+5V_STB TO DV33SB
+5V_STB
+
C752
100UF 16V
+
C753
100UF 16V
EC063-25-AI
EC063-25-AI
R750 10K1/16W
SMD/0402
C766
1UF16V
DV12DV33
FB751 220R/2000mA
1 2
C759
NC/10U 10V
DV18_DDR4,9
DV18_DDR
DV33 TO DV12 for DVBC Demod
R762
120R 1% 1/10W
R763
1 OHM 1/10W
R752
5.1K 1/10W
C754 1UF16V
R753
0R05 4A 1/4W
R751
NC/0R05 4A 1/4W
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
GND