10.
Circuit Diagrams and PWB Layouts
10-10-15
DCDC-SYSTEM-POWER2
20040_518.eps
DCDC-SYSTEM-POWER2
B15
B15
2015-11-25
C
715G7776
DCDC-SYSTEM-POWER2
C
4401
1
0
UF 1
6
V
R4435
22K 1/16W
R4404
100K 1/16W
Q4400
MMBT3904
TP4411
R
4406
470KOH
M
5
%
1/
16W
FB4403
120R 3A
1
2
R4411
15K 1%
C
4402
1
0
UF 1
6
V
C
4416
22
u
F 6
.3
V
R
4400
2.
2K 1/
16W
R4431
120K 1%
R
4409
100K 1/
16W
R4413
2.7K 1%
+
C4459
NC/22uF 16V
R4407
10OHM1/16W
TP4412
C
440
3
1
0
UF 1
6
V
C
4417
22
u
F 6
.3
V
C
4400
1
0
UF 1
6
V
R4401
1 OHM 5% 1/16W
R4428
47K 1/16W
C
4420
NC/1
0
UF 1
6
V
L4400
1uH
C
4405
1
0
UF 1
6
V
ZD4400
LUDZS5.6B
1
2
C
441
8
22
u
F 6
.3
V
R4412
20K 1/16W 1%
+3V3
R
4405
10K+
-5
%
1/
16W
R4408
3R3 1/16W 5%
R4436
47K 1/16W
C
4412
10U
F
16V
FB4400
120R 3A
1
2
TP4400
R4402
NC/1 OHM 5% 1/16W
U4401
G5318RE1D
PGOOD
1
TRIP
2
EN
3
FB
4
RF
5
DL
6
VCC
7
LX
8
DH
9
BST
10
GND
11
C
441
3
10U
F
16V
+
C
4419
N
C
/100U
F
16V
U4400
AON7932
G1
1
D1
2
D1
3
D1
4
S2
5
S2
6
S2
7
G2
8
S
1/
D
2
9
D1
10
R4437
100K 1/16W
C4415
220pF 50V
C
4404
1
0
UF 1
6
V
R4403
100OHM1/16W
C4411
NC/10000pF 50V
C4414
100N16V
+3V3-WIFI
+12V
+5V-SW
WIFI-OCP
7
WIFI-PWR-EN
19
W
i - F i P o w
e r C o n t r o l
W I F I - P W R - E N :
Enable : High
Disable : Low
W I F I - O C P :
Disable : Low
R4439
10K+-5%1/16W
TP4435
WIFI-PWR-EN
WIFI-OCP
F4400
NC/T 2A 63V
1
2
R4432
NC/1M 1/16W
TP4436
W i F i P O W E R C o n t r o l
R
4415
N
C
/10K+
-5
%
1/
16W
C4438
NC/470PF 50V
C4421
NC/1nF 50V
R4414
NC/47K 1/16W
F 4 4 0 0
C4457
C4459
C4458
R4430
C4456
C4455
R4429
U4404
U4405
C4454
R4428
C4
4
5
4
47N
F
16V
Q4402
MMBT3904
C776
10UF 16V
R763
NC/10K 1/16W 5%
C759
220NF 16V
R
776
100K 1/
16W
5
%
C777
100nF 50V
D750
FB340M
1
2
C754
0.1uF 25V
R777
NC/10K 1/16W 5%
R
774
100K 1/
16W
5
%
R766
60.4K 1%
R768
100K 1/16W 5%
R
775
N
C
/100K 1/
16W
5
%
Z
D
750
PJ
S
D
24C
W
1
2
ZD4103
MM3Z3V6B
1
2
C7
5
5
10U
F
10
%
25V
C7
83
10U
F
10
%
25V
D752
FB340M
1
2
R4293
4.99K 1/16W 1%
C7
6
0
10U
F
10
%
25V
C758
3.3NF 50V
C772
100NF 16V
R769
10K 1/16W 5%
N C f o r P U T 6 4 0 1 m
o d e l s
D751
FB340M
1
2
R760
33R 1/16W 5%
C761
22NF 25V
R4292
34.8K 1/16W
Z
D
751
NC/P
J
S
D2
4
CW
1
2
+12V
TP4413
+12V
+3V3
+3V3
TUNER_LNB
R
772
2.
2K 1/
4W
TUN_LNB
R7
7
3
2.
2K 1/
4W
13V/18V_SW
LNB_EN
L I N E D R O
P
LO : 13V/18V
HI : 14V/19V
DISEQC_OUT
LNB_LINEDROP
L N B P O
W
E R S U P P L Y
TP4414
N A
X
X
X
X
X
X
X
X
NA
NA
NA
X
X
X
X
NA
NA
NA
NA
NA
NA
NA
NA
+ 5 V - S W
f r o m
+ 1 2 V
Q4401
MMBT3904
TP4415
R4425
4.7K 1/16W
TP4416
L N B P O W E R C o n t r o l
L752
10uH
R4440
NC/10K+-5%1/16W
TP4437
U4418
RT9048GSP
NC
1
EN
2
VIN
3
NC
4
NC
5
VOUT
6
ADJ
7
GND
8
GND
9
TP4438
R4441
NC/4.7K 1/16W
TP4418
TP4419
LNB_LINEDROP
LNB_EN
13V/18V_SW
6
LNB_LINEDROP
19
13V/18V_SW
TUNER_LNB
6
LNB_EN
6
DISEQC_OUT
6
TUN_LNB
19
TUNER_LNB
TUN_LNB
DISEQC_OUT
TP4439
+3V5-SB
TP4403
TP4406
R4433
270K 1/16W
WIFI-PWR-EN
A M B I L I G H T P R O T E C T I O N
TP4407
C4457
1uF 25V
WIFI-PWR-EN
TP4441
TP4420
TP4442
WIFI-OCP
U4405
AOZ1360DIL
IN
1
IN
2
NC
3
GND
4
SS
5
EN
6
SET
7
NC
8
OUT
9
OUT
10
OUT
11
GND
12
R4438
10K+-5%1/16W
C4460
100NF 16V
AMBI-POWER
TP4409
C4
4
3
5
22
u
F 6
.3
V
C4458
1uF 25V
+12V-AMBI
TP4421
R
4416
10K+
-5
%
1/
16W
R4430
10K+-5%1/16W
R4434
22K 1/16W
TP4410
C4
4
5
6
100N
F
16V
U751
MP8124DF-LF-Z
AGND
8
BY PASS
11
VDD
12
COMP
10
EN
2
LINEDROP
1
TCAP
9
VOUT
7
VBOOST
6
BST
5
SW
3
PGND
4
13V/18V
14
EXTM
13
EPAD
15
TP4422
C4453
47N16V
C4
4
3
6
22
u
F 6
.3
V
WIFI-PWR-EN
TP4423