Philips 43PUT6801 Service Manual page 120

Circuit Diagrams and PWB Layouts
10-9-15 DCDC-SYSTEM-POWER2
DCDC-SYSTEM-POWER2
B15
+12V
FB4400
1 2
120R 3A
TP4414
R4401
TP4410
1 OHM 5% 1/16W
C4411 R4402
NC/1 OHM 5% 1/16W
TP4413 NC/10000pF 50V Q4400
LBC847BWT1G
R4404
R4403
100OHM1/16W 100K 1/16W
TP4412 TP4411
ZD4400
LUDZS5.6B
1
TP4415
2
3
4
5
NC/47K 1/16W
TP4416
R4412
20K 1/16W
A M B I L I G H T P R O T E C T I O N
TP4441
F4400
1 2
T 2A 63V
+12V-AMBI
U4405
1 12
2 IN GND 11
IN OUT
3 10
4 NC OUT 9
GND OUT
C4457 5 8
SS NC
6 7
1uF 25V C4458
EN SET
1uF 25V
AOZ1360DIL
R4428
47K 1/16W
+3V3 TP4442
R4430
10K+-5%1/16W
2 S i d e d a m b i l i g h t 3 | 4 S i d e d a m b i l i g h t
U4404
F 4 4 0 0 X N A
C4457 X X
C4459 X X
C4458 X X
R4430 NA X
C4456 NA X
U4405 NA X
C4454 NA X
R4428 NA X
QM16.3A LA 10.
TP4409
U4400
AON7932
1 8
G1 G2
2 7
3 D1 S2 6
D1 S2
4 5
D1 S2
U4401
C4414
11 100N16V
GND R4407
10
PGOOD BST 10OHM1/16W
9
TRIP DH R4408 C4415
8
TP4419 3R3 1/16W 5%
EN LX 7 TP4407 220pF 50V
FB VCC TP4420
6
RF DL
G5318RE1D
C4421
NC/1nF 50V
R4414 TP4417
C4438
NC/470PF 50V
0 . 7 V r e f
R4413 R4411
2.7K 1% 15K 1%
8 A D C / D C
L N B P O W E R S U P P L Y
3.3NF 50V R766
C758 60.4K 1%
+3V3
AMBI-POWER
R777 NC/10K 1/16W 5%
R763 NC/10K 1/16W 5%
TP4440
R769 10K 1/16W 5%
+ C4459
NC/22uF 16V
L I N E D R O P
LO : 13V/18V
HI : 14V/19V
EN 120
W i - F i P o w
WIFI-PWR-EN
C4453
47N16V
R4435
22K 1/16W
TP4423
+5V-SW
L4400
TP4406 TP4400
1uH
+ R4437
100K 1/16W
W I F I - P W R - E N
Enable : High
Disable : Low
L750 D750
10uH FB340M
1 2
+12V
C772 C776
100N 16V 10UF 16V
U751
C759
8 4
220NF 16V
AGND PGND
11 3
BY PASS SW
12 5
C754
+12V
VDD BST
10 6 0.1uF 25V
COMP VBOOST
LNB_EN 2 7
1 EN VOUT
LNB_LINEDROP
LINEDROP
9
C761
14 TCAP 13
13V/18V_SW 22NF 25V
13V/18V EXTM
MP8124GD Z
DISEQC_OUT
R760
R768 33R 1/16W 5%
100K 1/16W 5%
back to
2016-Jun-08
div.table
+3V5-SB
R4441
TP4439
NC/4.7K 1/16W
e r C o n t r o l
WIFI-PWR-EN
R4425
4.7K 1/16W
U4418
19
9
GND
1 8
NC GND
2 7
TP4422
3 EN ADJ 6
VIN VOUT
4 5
NC NC
RT9048GSP
R4431 R4434
22K 1/16W
120K 1%
R4432 R4433
NC/1M 1/16W 270K 1%
Q4401
LBC847BWT1G
TP4435
FB4403
R4436
C4460
+3V3-WIFI
TP4421 TP4403
47K 1/16W
1 2
120R 3A
TP4436
100N16V
R4440
R4438
TP4437
10K+-5%1/16W NC/10K+-5%1/16W
WIFI-PWR-EN WIFI-OCP
R4439
TP4438
10K+-5%1/16W
Q4402
LBC847BWT1G
:
W I F I - O C P :
Disable : Low
VBOOST
D751
FB340M
TUNER_LNB
D752 C777
FB340M 100N 50V R4292
34.8K 1/16W
TUN_LNB
R4293
4.99K 1/16W 1% ZD4103
MM3Z3V6B
DCDC-SYSTEM-POWER2
B15
LNB_EN
6 LNB_EN
LNB_LINEDROP
LNB_LINEDROP
13V/18V_SW
6 13V/18V_SW
TUNER_LNB
6 TUNER_LNB
DISEQC_OUT
6 DISEQC_OUT
TUN_LNB
19 TUN_LNB
WIFI-OCP
7 WIFI-OCP
WIFI-PWR-EN
19 WIFI-PWR-EN
C 2015-7-6
715G7772
20030_526.eps