Circuit Diagrams and PWB Layouts
10.
10-4-7
System Power
19910_507.eps
System Power
B07
B07
2014-12-21
715G6805
System Power
R707
4K7 1/16W 5%
BRIGHT_ADJ 6
+5VSB
+3V3SB
+12V_AUD
+12V
R
720
0R
05 1/
16W
H => POWER_ON
L => POWER_OFF
+12V
FB702
120R
1
2
C743
22UF 6.3V
FB701 NC_120R
1
2
R744
20K 1/16W
DVDD3V3
U706
G5695T11U
VIN
1
GND
2
EN
3
VFB
4
LX
5
R745
10K +-1% 1/16W
C744
1UF 10V
C
745
2.
2U
F
16V
DRAM Power 1.8v
R1
R2
R166
0R05 OHM
PWR_ON_1
6
PWR_ON_1
R175
NC_0R05 OHM
DDRV
PWR_ON
R708
4K7 1/16W 5%
FB703
120R
1
2
DM1V2
3V3T
C720
10UF 10V
C706
10UF 6.3V 20%
C723
NC_1UF 10V
R750
14.3K 1%
C735
NC_10UF 6.3V 20%
+5VSB
L706
2.2uH
R743
4K7 1/16W 5%
C747
100NF 16V
GND3
GND
1
GND2
GND
1
+12V
C738
10uF 16V
C746
10UF 6.3V 20%
FB704
300
1
2
U701
SY 8104ADC
LX
5
FB
1
EN
2
GND
3
IN
4
BS
6
R725
13.3K 1%
R737
100K 1%
L701
4.7uH
C704
22UF 16V
C703
470pF 50V
C705
22UF 16V
R738
100K 1%
R714
390K 1%
R713
0R051/8W
C740
100N 50V
R703
1K 1/16W 5%
C739
22UF 10V
+12V_AUD
CN701
CONN
2
4
6
8
10
12
1
3
5
7
9
11
C734
22UF 10V
+5VSB
U703
NC_G9141T11U
IN
1
GND
2
SHDN
3
SET
4
OUT
5
SOT223 1A/3.3V
DEMOD POWER
U702
AZ1117CH-3.3TRG1
AD
J
(GN
D
)
1
VOUT
2
VIN
3
4
4
R1
R2
R740
NC_
1
.5
K
+
-1
%
1/
10W
R773
NC/0R05 1/10W
R735
1K 1/16W 5%
+3V3SB
R726
4K7 1/16W 5%
BL_ON/OFF
Q705
MMBT3904
DM3V3
R722
4K7 1/16W 5%
5V_SW
BL_ON/OFF 6
C726
1UF 10V
PWR_ON 6
C717
4.
7U
F
10
%
10V
R741
-1% 1/16W
Q706
MMBT3904
VCCK
+5VSB
C725
10U
F
6.
3
V 20
%
C724
2.2UF 16V
+5VSB
R739
0R05 1/16W
L702
2.2uH
U705
M5723B-33F61U
EN1
1
AGND
2
FB1
3
AGND
4
EN2
5
IN2
6
OUT2
7
IN1
8
PGND
9
LX
10
E-PAD
11
C719
NC/1
0
0
N 1
6
V
DM3V3
C715
1UF 10V
+3V3SB
+5VSB
R742
4K7 1/16W 5%
R732
15K 1%
+3V3SB
BL_ON_OFF
R1
R2
BRIGHT_ADJ
R721
100K1/16W
C701
100PF 50V
Q702
AO3401A
C709
10N 50V
C702
1nF 50V
BL_DIM
CORE POWER 1.15V
BL_ON
R774
0R05 1/10W
PS_ON
5V_SW
R753
4K7 1/16W 5%
C721
100NF 16V
R705
7K5 1/16W 5%
5V Power for Standby
Back Light On / Off
HI => POWER_OFF
LO => POWER_ON
BL_DIM
BL_ON
PS_ON
5V_SW
MAIN POWER
C711
0.1uF 50V
+5VSB
Q701
MMBT3904
5V_SW
R706
1K 1/16W 5%
PS_ON
C713
100PF 50V
R704
47K 1/16W 5%
R709
4K7 1/16W 5%
C712
1UF 10V
C708
0.1uF 50V
Q703
MMBT3904
R701
100R 1/16W 5%