Sharp AQUOS LC-42LE40E, Service Manual

Page: 84 / 157

LC-32LE40E-LC-42LE40E
84
05 POWER-2
+12V
R754
+12V
R752
DV33
AV12
PANEL_VCC_ON/OFF(GPIO_11)
Normal:High
Standby:Low
PANEL_VCC
NC
DV33SB
0R
0R
GPIO Contrl
PANEL_VCC
NC
Vo=1.25 x (1+1R/120R) = 1.25V
SMD/0402
1.2(1+(<33K+4K3>/12K))=4.93V
SMT
PANEL_VCC_ON/OFF
+5V_TUNER
R758 7K5 1/16W 5%
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q751
AON4421
C758
22uF 10V
R764
10K 1/16W 5%
R753
5K1 1/16W 5%
C760
1UF16V
1 2
FB751 220R/2000mA
C757
1UF16V
R757
1R 1/10W 5%
1 2
FB708
220R/2000mA
R754
0R05 1/4W
C769
10U 16V
C756
NC/10U 16V
R766
10K 1/16W 5%
+
C752
100UF 16V
Q752
BC847C
+5V_SW
VEN
1
VIN
2
VO
3
ADJ
4
GND
5
GND
6
GND
7
GND
8
U755
G965-25ADJPIUF
R751
15K 1/16W 5%
R752
NC/0R05 1/4W
VIN
3
VOUT
2
GN
D
1
4
4
U751
G903T63UF
VIN
3
VOUT
2
GN
D
/AD
J
1
U704
G1117T43Uf
R7
61
12
K 1
/10
W
1%
R
759
4K
3 1/
16
W
1
%
R
760
33
K 1/
16
W
1
%
C761
10U 16V
R756
180R 5% 1/10W
C762
10U 16V
C754
4.7UF 10V
C753 1UF16V
C759
22uF 10V
R755
10K 1/16W 5%
1 2
FB750 NC/220R/2000mA
DV33SB +5V_STB
+12V
PANEL_VCC
AV12
DV33
+5V_STB
+5V_SW +5V_TUNER
GND 4,6,7,8,9,10,11,12,13,14,15,16
PANEL_VCC_ON/OFF 6
PANEL_VCC 14
DV33SB 4,6,7,9,13,14
AV12 6,15
PANEL_VCC_ON/OFF
DV33 4,6,7,8,9,11,13,14,15
+5V_SW 4,7,10,11,13,14,15
+5V_TUNER 16
+12V 4,9
+5V_STB 4,7,14
+5V_STB TO DV33SB
+5V_STB
+5V_STB to DV33SB
ON OFF
19"/22"
26"/32"
DV33 to AV12/DV12
PANEL
VCC
OFF ON
+5V
GND
+5V_SW to +5V_TUNER