10.
Circuit Diagrams and PWB Layouts
10.3 B 715G7673 SSB
10-3-1
System Power 1
19970_500.eps
System POWER-1
B01
B01
2015-06-25
3
715G7673
System POWER-1
C721
100N 16V
FB701
120R
1
2
C714
1nF 50V
C722
22UF 10V
FB724
42OHM
1
2
R724
100OHM
FB725
42OHM
1
2
R7
4
0
NC/1
0
K
R708
100K1/16W
MAIN3V3
R779
0R05
R770
100R 1/16W 1%
PW
R
_ON
_2
C727
100N 16V
C7
1
8
NC/1
N 5
0
V
C7
4
1
10U
F
25V
EN_U702
C7
3
9
10U
F
25V
PGND
AGND1
R738
NC/0R05 OHM
R713
1-1% 1/16W
C7
4
7
10U
F
25V
R742
100K1/16W
R
707
10R
1/
16W
5%
C715
1UF 25V
R721
12.4K 1%
C
732
1N
50V
C738
NC/1N 50V
C
731
100P 50V
BL_ON/OFF 10
R733
2.2R 1%
R731
NC/1K
C7
4
8
10U
F
25V
C7
4
9
10U
F
25V
R705
4K7 1/16W 5%
R
734
N
C
/15K 1%
R768
1.3K 1%
R739
4.7K 1/16W
C
729
NC/1
N 5
0
V
C7
2
5
10U
F
25V
C7
2
6
10U
F
25V
U702 G5309QN1U
TON
24
V5V
3
PGND
4
VCC
26
VN
20
VN
19
VN
18
VN
17
AGND
2
BST
22
LX
5
LX
6
LX
7
LX
8
LX
9
LX
10
PGND
11
PGND
12
PGND
13
PGND
14
PGND
15
PGND
16
OUT
25
FB
27
PGOOD
28
ILIM
1
EN
23
AGND
29
VIN_U702
L721
1uH
Backlight ON/OFF Control
R735
5.1K 1/16W 1%
PGOOD_U702
C730
10N 50V
R737
0R05 1/16W
+12V
R2
FB721
120R
1
2
R711
0R05
C723
10uF
16V
C707
NC/1
0
UF 1
0
V
R728
100K1/16W
MAIN2V5
BRIGHT_ADJ
R712
3K3 1/16W 5%
C716
100N 16V
C706
NC/100N 16V
L705
2.2uH
R718
30K 1%
+5V_SW
R706
1K5 1%
C719
10uF 16V
R710
100K 1%
C736
N
C
/10N
F
50V
R703
NC/100OHM
Backlight Brightness Control
R719
4K7 1/16W 5%
R736
20K 1%
PWR_ON_2
R732
1K5 1%
C704
10uF
16V
C717
NC/1
0
UF 1
0
V
R723
100K1/16W
MAIN3V3
R717
3K3 1/16W 5%
+
C705
100UF 16V
C711
100N 16V
C733
NC/100N 16V
L707
2.2uH
+5V_SW
R729
22K 1%
U705
SY 8088AAC
EN
1
GND
2
LX
3
IN
4
FB
5
R704
0R05 1/16W
C734
10uF 16V
R709
100K 1%
C735
NC/1
0
NF 5
0
V
R702
NC/100OHM
BL_DIMMING 12
"PWR_ON"
Normal:Low
Standby:High
C742
100N 16V
PWR_12V
FB709
120R
1
2
MAIN3V3
R727
10K
U703
SY 8088AAC
EN
1
GND
2
LX
3
IN
4
FB
5
C702
10U
F
25V
C703
N
C
/100N
F
16V
BRIGHT_ADJ
TP
7
0
3
TP
7
0
1
AUDIO_12V
TP
7
0
4
PWR_12V
PWR_12V
R701
100OHM
PWR_ON_2
5
PWR_12V_AL
TP
7
0
2
PWR_ON_2
C701
100N
16V
PWR_12V_AL
AUDIO_12V
TP
7
1
0
C708
2N
2 50V
R725
100OHM
CORE0V9
FB723
42OHM
1
2
C720
22P 50V
PWR_12V
Q703
LMBT3904LT1G
1
3
2
U706
TPS54528DDAR
EN
1
VFB
2
VREG5
3
SS
4
GND
5
SW
6
VBST
7
VIN
8
E-Pad
9
C737
22P 50V
INVERTER_ON_OFF
C744
1U
F
25V
R714
100K1/16W
R720
124K 1%
C743
100N 16V
+5V_STB
C724
22pF
50V
C728
8.2NF 50V
C745
1UF 25V
L703
3.3uH
C746
22UF 10V
R722
0R05
12V TO 5VSTB
R726
10K
PWR_ON 10,15,16
C740
10uF 16V
INVERTER_ON_OFF
DC POWER INPUT
INVERTER_ON_OFF
Normal:High
Standby:Low
R730
NC/1K
FB702
120R
1
2
R715
NC/10K 1/16W 5%
R716
4K7 1/16W 5%
STBC3V3
STBC3V3
+5V_STB
CN701
CONN
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15