Philips 43PUS6412/12 Service Manual page 89

DCDC-SYSTEM-POWER2
8-6-16
+12V to +5V-SW
R1724
Updated on 2016/5/23
120K 1/16W 5%
Updated on 2016/11/30
+12V
R1730 U1701
8
IN
7
0R05 1/4W
IN
+12V C1715 C1713 C1714
1
EN
R1725
100K 1/16W 5%
5
LDO
PGOOD
C1723
R1756 4.7UF 6.3V
9
100OHM C1712
GND
R1726
33K 1/ 16W 5%
SY 8368QNC
Updated on 2016/11/30
Vout=0.6x (1+10K/1.3K) = 5.21V
AMBILIGHT PROTECTION
TP4441
F4400
1 2
NC/T 2A 63V
+12V-AMBI
U4405 AMBI-POWER
1 12
2 IN GND 11
TP4440
IN OUT
3 10
4 NC OUT 9
GND OUT
5 8
C4457
6 SS NC 7
1uF 25V C4458
EN SET
1uF 25V
AOZ1360DIL
R4428
47K 1/16W
+3V3 TP4442
R4430
10K 5% 1/ 16W
2 Sided ambilight 3|4 Sided ambilight
U4404
F4400 X NA
C4457 X X
C4459 X X
C4458 X X
R4430 NA X
C4456 NA X
U4405 NA X
C4454 NA X
R4428 NA X
2
PG
C1711
6
100N 16V
Updated on 2016/11/30
BS
R1729
+5V-SW
2.2R 1%
10
LX
L1701
2.2UH
4
FB
C1722
22NF 25V
3
R1727
ILMT
10K 1% 1/ 16W
R9452
1K 1/16W 5%
R1728
1.3K 1%
Updated on 2016/11/8
LNB POWER SUPPLY
C759
3.3NF 50V R766 220NF 16V 8
11
C758 60.4K 1%
12
+12V
10
LNB_EN 2
+3V3
1
R777 NC/10K 1/ 16W 5% LNB_LINEDROP
R763 NC/10K 1/ 16W 5%
14
13V/18V_SW
R769 10K 1/ 16W 5%
LINEDROP
LO : 13V/18V
HI : 14V/19V
FB4331
NC/30R 1A
1 2
Main_12V
FB4329
1 2
30R 1A
WIFI-PWR-EN
R4425
4.7K 1/ 16W
C4403
WIFI-PWR-EN : Add on 2016/5/23
NC/1NF
Enable : High
Disable : Low
Vout=0.791*(1+100/(22//120)) = 5.04
L750 D750
10uH FB340M
1 2 VBOOST
+12V
C772 C776
100N 16V 10UF 16V
U751
4 D751
AGND PGND 3
FB340M
BY PASS SW
5
C754
VDD BST 6
0.1uF 25V
COMP VBOOST
7
EN VOUT
LINEDROP
9 C761
TCAP 13
22NF 25V D752 C777
13V/18V EXTM
FB340M 100N 50V
MP8124GD  Z
DISEQC_OUT
R760
R768 33R 1/16W 5%
100K 1/16W 5%
Updated on 2016/8/18
Add on 2016/5/23
C4402
NC/100NF 25V
Updated on 2016/5/6
RT6217EHGJ8F
L4305
R4400 C4410
4 5
3 GND BOOT 6
20R +-1% 1/ 16W
SW EN 4.7uH
2 7
100NF 16V C4312
1 VIN NC 8
R4398
68PF 50V
MODE FB
R4397 100K 1%
0R05 OH M R4394
U4310
0R05 OH M
Add on 2016/5/23
Add on 2016/5/23
R4396
120K 1%
ESD & Surge
Protect
TUNER_LNB
R4292
34.8K 1/ 16W
TUN_LNB
R4293
4.99K 1/ 16W 1% ZD4103
MM3Z3V6B
Add for Unicable
WIFI-PWR-EN
19 WIFI-PWR-EN
LNB_EN
LNB_EN 6
LNB_LINEDROP
LNB_LINEDROP 19
13V/18V_SW
13V/18V_SW 6
TUNER_LNB
TUNER_LNB 6
DISEQC_OUT
DISEQC_OUT 6
+5V-WIFI
TUN_LNB
TUN_LNB 19
FB4403
1 2 PGOOD
PGOOD 15
120R 3A