10.
Circuit Diagrams and PWB Layouts
10.5 B 715G8232 SSB
10-5-1
System Power
20210_503.eps
System POWER
B01
B01
2016-5-12
C
715G8232
System POWER
R743
10K 1/10W 1%
C714
100pF 50V
R744
9K1 1/10W 1%
PWR_ON_2
C728
NC
R704
47K 1/16W 5%
U713
SY 8104ADC 4A 18V TSOT23-6
LX
5
FB
1
EN
2
GND
3
IN
4
BS
6
CN701
CONN
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
PWR_12V
13,17
+5V_SW
9,11,13,16,17,18,19
DV33
5,8,10,11,12,13,14,17,19
DV33SB
6,10,12,18
DV15
12
DV11
12
GND
5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
+5V_STB
6
DV33
DV11
PWR_12V
+5V_STB
GND
DV33SB
+5V_SW
DV15
R724
100OHM
U703
SY 8088AAC
EN
1
GND
2
LX
3
IN
4
FB
5
DV33
R738
NC/1K
R705
4K7 1/16W 5%
R736
22K 1%
DV11
Backlight ON/OFF Control
BL_DIMMING
11
BL_ON/OFF
10
PWR_ON
10
PWR_ON
BL_ON/OFF
BL_DIMMING
C733
100N16V
C742
100N
F
25V
D702
NC/BAS316WS
BackLight_SW:
BackLight on: High
BackLight off: Low
+5V_SW
+5V_STB
R702
22K 1/16W 5%
BRIGHT_ADJ
R706
51K 1/16W 5%
Q702
LMBT3904LT1G
C706
220NF 16V
C709
NC/4.7UF 10% 10V
PWR_ON_2
+5V_STB to +5V_SW
Q701
AO4449 -7A/-30V
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Backlight Brightness Control
U712
VIN
3
VOUT
2
GN
D
1
R719
4K7
GPIO
C732
22UF 10V
C731
1uF 10V
PWR_ON_2
STB CONTORL
L704
2.2uH
"PWR_ON"
Normal:Low
Standby:High
PWR_ON_2
18
DV33
R727
10K
C711
4.7UF 10% 10V
C702
10UF 16V
C703
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
TP
7
0
2
PWR_ON_2
C701
100N
F
16V
AUDIO_12V
TP
7
1
0
C708
2.
2nF
50V
U702
SY 8088AAC
EN
1
GND
2
LX
3
IN
4
FB
5
R725
100OHM
BL_DIMMING
L1101
1uH 6.3A 0.008R
R710
1K 1/16W 1%
AUDIO_12V
14
AUDIO_12V
C737
NC/100N 16V
Q703
LMBT3904LT1G
1
3
2
C749
10uF 10V
C7
8
1
10
u
F 1
0
V
C7
8
0
10
u
F 1
0
V
C710
10UF 16V
G903T63UF 0.6A/3.3V
C717
10UF 10V
C738
22UF 10V
L702
2.2uH
+5V_SW to DV33
+5V_SW
DV33
INVERTER_ON_OFF
R723
47K 1/16W 5%
+5V_STB
C729
22PF
50V
R746
24K 1%
R714
100K 1%
C721
100N
F
16V
R720
124K 1%
C743
100NF 16V
+5V_STB
PWR_12V
C724
22pF
50V
C747
8
.2
NF 5
0
V
C745
1U
F
25V
U706
RT6206BHGSP
EN
1
FB
2
VREG5
3
SS
4
GND
5
SW
6
BOOT
7
VIN
8
GND
9
L703
3.3uH
C746
2
2
UF 1
0
V
C722
2
2
UF 1
0
V
R729
33K 1%
R709
150K 1%
C730
10U
F
10V
BL_ON/OFF
12V TO 5VSB
R713
47K 1/16W 5%
C734
NC/100N16V
R741
47K
C727
4.7UF 10% 10V
R726
10K
+5V_SW to DV15
R717
NC/47K 1/16W 5%
+5V_STB to DV33SB
R708
150K 1%
+5V_STB to CORE POWER 1.2V
DV15
R718
100K 1%
C716
NC/100N16V
+5V_SW
PWR_ON_2
C740
10UF 16V
C720
22PF
50V
R745
910R 1%
R712
47K 1/16W 5%
C751
100N
F
16V
+5V_SW
DC POWER INPUT
+
C707
NC/100UF 16V
INVERTER_ON_OFF
Normal:High
Standby:Low
BRIGHT_ADJ
Normal:PWM or DC 3V3 Max
Standby: 0 V
R739
NC/1K
DV33SB
C739
N
C
/22U
F
10V
+5V_STB
R715
NC/10K 1/16W 5%
R716
4K7 1/16W 5%
DV33SB
DV33SB
+5V_STB
PWR_ON
PWR_ON_2
INVERTER_ON_OFF
FB608
120R 6A
1
2