Philips 55PUS9104/12 Service Manual page 54

9-2-15 DCDC-SYSTEM-POWER2
+12V to +5V-SW
Updated on 2016/5/23 R1724
Updated on 2016/11/30 120K 1/16W 5%
+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%
SY8368QNC
Updated on 2016/11/30
Vout=0.6x (1+10K/1.33K) = 5.11V
AMBILIGHT PROTECTION
Add on 2018/1/24
TP4441
F4400
1 2
NC/T 2A 63V
Main_12V FB4332 +12V-AMBI
U4405
AMBI-POWER
1 2 1 12
IN GND
2 11
NC/120R 3A TP4440
IN OUT
3 10
NC OUT
4 9
GND OUT
5 8
C4457
SS NC
6 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
Updated on 2018/1/24
2.2R 1%
10
LX
L1701
2.2UH
4
FB
C1722
3
R1727 10000pF 50V
ILMT
10K 1% 1/16W
R9452
1K 1/16W 5%
R1728
1K33 1%
Updated on 2017/2/8
L4401
10uH
Updated footprint on 2016/3/17
FB4331
NC/30R 1A
1 2
Main_12V
FB4329
1 2
30R 1A
WIFI-PWR-EN
R4425
4.7K 1/16W
WIFI-PWR-EN : C4403 Add on 2016/5/23
Enable : High NC/1NF
Disable : Low
Vout=0.791*(1+100/(22//120)) = 5.04
+5V-SB
U4250
C4297 5
VIN VOUT
10UF 6.3V
GND
WIFI-PWR-EN 4
EN OCB
APL3511ABI-TRG
R4265
4K7 1/16W 5%
+12V
FB4402 30R 1A
1 2
C4437
100NF 16V
1 2
LNB Power
FB4401 NC/30R 1A
C4422
TP4447 10uF 25V
L4402
10uH
TP4446
U4403
TP4428
LNBH26LSPQR
D4402
1 2
D4403
GS1A
12
FB340M VOUT-B
11
10 VUP-B
NC
9
R4419 TP4452
8 ISEL
15KOHM 1/16W
7 SDA
SCL
TP4427
D4406
1 2
FB340M
+
C4429 C4430
100uF 35V
1uF 25V
Updated footprint on 2016/3/17
TP4448
SDA-FE
R4426
47 OHM 1/16W
SCL-FE
R4427
47 OHM 1/16W
Updated on 2016/8/18
Add on 2016/5/23
C4402
NC/100NF 25V
Updated on 2016/5/6
RT6217EHGJ8F Updated on 2017/3/28
L4305
R4400 C4410
4 5
GND BOOT
3 6
20R +-1% 1/16W
SW EN 4.7uH
2 7
100NF 16V C4312
VIN NC
1 8
R4398
22PF 50V
MODE FB
R4397 100K 1%
0R05 OHM R4394
U4310
0R05 OHM
Add on 2016/5/23
Add on 2016/5/23
R4396
120K 1%
+5V-WIFI
FB4250
1 1 2
2
3 NC/120R 3A
R4250
R4266
10K 1/16W 5%
4K7 1/16W 5%
+3V3-STANDBY
Updated on 2017/4/5
C4431 C4432 C4433 C4434
10uF 25V 10uF 25V 10uF 25V 100NF 16V
C4423 D4401
0.22UF 10% 50V
FB340M
C4426
C4424
0.22UF 10% 50V
C4425
100uF 35V
0.22UF 10% 50V
C4427
Updated footprint on 2016/3/17
1uF 25V
TP4429
19
GND
20
D4404 GS1A
VOUT-A 21
VUP-A
22
R4420 F22-DISEQC-TX1
DSQIN-A 23
0R05 OHM
GND 24
R4421 F22-DISEQC-TX2 C4428 D4405
DSQIN-B 25
0R05 OHM 0.22UF 10% 50V
FB340M
E-PAD
TP4431
TP4449
TP4430
TP4450
R4422
NC/0R05 OHM
Updated footprint on 2016/3/17
WIFI-PWR-EN
19 WIFI-PWR-EN
LNBOUT-A
LNBOUT-A 6
LNBOUT-B
LNBOUT-B 6
F22-DISEQC-TX1
F22-DISEQC-TX1 6
F22-DISEQC-TX2
F22-DISEQC-TX2 6
LNB1
LNB1
LNB2
LNB2
+5V-WIFI
SDA-FE
FB4403
SDA-FE
SCL-FE
SCL-FE
1 2
PGOOD
120R 3A PGOOD
LNBOUT-B
ZD4401 ZD4402 R4417
PJSD24CW PJSD24CW 36K 1%
TP4451
LNB2
R4418 ZD4403
5.6K 1% MM3Z3V6B
Close to Tuner
LNBOUT-A
ZD4404 ZD4405
R4423
PJSD24CW PJSD24CW
36K 1%
LNB1
R4424 ZD4406
5.6K 1% MM3Z3V6B
19
19
6,22
6,22
15