10.
Circuit Diagrams and PWB Layouts
10. Circuit Diagrams and PWB Layouts
10.1 B 715G5155 DVB-T/C SSB 3000/3500 series
10-1-1
System Power 1
19230_500_120207.eps
120420
System Power 1
B01
B01
2011-12-19
2
715G5155
System Power 1
BRIGHT_ADJ
POWER_ON
Vo=1.25 x (1+1R/120R) = 1.25V
ANALOG POWER AVDD1V2 from AVDD3V3
(264.5mA Max.)
(52mVr)
(64mVr)
(45mVr)
OPWRSB
GPIO 216
1.25 x (1+200/120) = 3.333V
STANDBY POWER +5VSB from STB_PWR5V
INVERTER_ON_OFF
ADJ/GND
1
OUTPUT
2
INPUT
3
U7008
AZ1117D-ADJTRE1
STANDBY
DIGITAL/ANALOG POWER DVDD3V3/AVDD3V3 from +5V_SW
VCCK(+5V_SW ON/OFF):
Normal: High
Stand_By: Low
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
VCCK
BRIGHT_ADJ
STB_PWR5V
INVERTER_ON_OFF
STANDBY
PWR_ON/OFF
C7007
NC/22UF 6.3V
C7009
10UF 10V
DC POWER INPUT
STANDBY:
Normal: High
Stand_by: Low
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
C7010
10nF50V
R7022
33K 1/10W 5%
R7009
NC/100R 1/16W 5%
C7034
10UF 10V
C
7021
10U
F
10V
+
C7027
100UF 16V
+
C7022
100UF 16V
R
7029
1
8
0K 1/
10W
1
%
Q7001
BC847C
R7004
NC/1 OHM 1/10W
C7008
1UF16V
T
P7004
R7028
33K 1/10W 1%
R7023
0R05 4A 1/4W
R7020
0R05 4A 1/4W
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q7002
AON4421
R7010
NC/-5% 1/8W
+
C7004
220UF 16V
R7003
NC/120R 1% 1/10W
R7015
4K7 1/16W 5%
1
2
FB7006
NC/220R/2000mA
Q7003
BC847C
C7015
100N 16V
R7234
NC/10K 1/16W 5%
R7024
22K 1/16W 5%
VIN
1
VIN
2
GND
3
GND
4
AGND
5
VSNS
6
COMP
7
RT/CLK
8
SS
9
PH
10
PH
11
PH
12
BOOT
13
PWRGD
14
EN
15
VIN
16
Pw
Pd
17
U7004
TPS54319RTE
C
701
3
22N
F
25V
VIN
3
VOUT
2
GN
D
1
U7005 G1084-33TU3Uf
T
P7006
R7032
0R05 4A 1/4W
C7011
10UF 10V
C7016
100N 16V
R7012
0R05 4A 1/4W
C
7017
10U
F
10V
C7
0
3
0
N
C
/10U
F
10V
R7017
22K 1/16W 5%
R7011
10K 1/16W 5%
R7025
20K 1/10W 5%
1
2
3
4
5
6
7
8
9
10
11
12
CN7001
CONN
R7014
0R05 4A 1/4W
1
2
FB7004
220R/2000mA
1
2
FB7003
120R/3000mA
R7001
2K7 1/16W 5%
C7025
100N 16V
T
P7007
C7003
NC/22UF 6.3V
R
7016
1K5 1/
10W
5
%
C7029
100N 16V
R7013
0R05 4A 1/4W
C7005
NC/100N 16V
ANALOG POWER AVDD3V3 from +5V_SW
C7012
1UF16V
T
P7001
R7008
10K 1/16W 5%
VIN
3
GN
D
1
VOUT
2
TH
4
U7002
NC/G1117T63Uf
1
2
FB7002
120R/3000mA
R7018
1K5 1%
T
P7002
R7031
0R051/8W
T
P7005
C7001
100N 16V
R7006
0R05 4A 1/4W
R7007
NC/15K 1/16W 5%
C
702
3
10U
F
10V
VI
3
VO
2
GN
D
1
4
4
U7003
G1117-33T63Uf
C7002
NC/10UF 10V
T
P700
3
R7002
NC/0R05 4A 1/4W
R7005
0R05 4A 1/4W
C7024
NC/10UF 10V
3V3SB
+5VSB
16V_24V
+12V
+5VSB
STB_PWR5V
+5VSB
+5V_SW
DVDD3V3
+5V_SW
3V3SB
AVDD3V3
ADAC_PWR
AVDD1V2
AVDD3V3
+5VSB
VCCK
3V3SB
+5VSB
AVDD3V3
+5V_SW
OPWRSB:
Normal: Low
Stand_by: High
GND
3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
OPWRSB
4
BRIGHT_ADJ 11
OPWRSB
INVERTER_ON_OFF 11
STANDBY
+5VSB to +5V_SW by VCCK
C7026
2.2U10V
ANALOG POWER for PWMDAC 3.3V
R7237
200R 1/16W 1%
R7238
120R 1/16W 1%
CORE POWER VCCK form +5VSB by OPWRSB
STANDBY POWER 3V3SB from +5VSB
L7001
4.7uH
R7019
12K 1/10W 1%
R7027
100R 1/16W 5%
OPWRSB
STAND_BY:
Normal: Low
Stand_by: High
Q7006
BC847C
R7039
NC/1K1/16W
R7040
1K 1/16W 5%
POWER_ON
R7041
10K 1/16W 5%
DVDD3V3
+5V_SW
PWR_ON/OFF
PWR_ON/OFF 3