Philips 43HFL5011T/12 Service Manual page 59

Circuit Diagrams and PWB Layouts
10-4-2 System Power 2
System Power 2
B02
Panel VCC=12V
PANEL_VCC ON/OFF:(OPCTRL9)
Normal:High
Stand_By:Low
PANEL_VCC_ON/OFF
R750
R759
10K 1/16W 5%
NC/4.7UF 10V
LNB POWER SUPPLY
+12V
10UF 16V
DVDD3V3
R777 NC/10K 1/16W 5%
R763 NC/10K 1/16W 5%
R769 10K 1/16W 5%
LINEDROP
LO : 13V/18V
HI : 14V/19V
DISEQC_OUT
TPM16.1HE LA 10.
Audio VCC= +12V
+12V_AU
+12V PANEL_VCC
Q750
8 1
D D
7 2
D D
6 3
D D
5 4
S G
+
AON4421
C752
C750 220UF 16V
1UF 10% 16V
R752 R753
10K 1/10W 5% 6K8 1/10W 5%
R751
5.1KOHM +-5% 1/10W
5K1 1/16W 5%
Q751
BC847N3
C751
L750
10uH
U751
C776 C772
100N 16V
12 3
VDD SW
0.1uF 25V
C754
LNB_EN 2 5
EN BST
LNB_LINEDROP 1 6
LINEDROP VBOOST
14
13/18V_SW
13/18V
11
BY PASS
7
VOUT
13
EXTM
9
TCAP
10
COMP
MP8124
C761
22NF 25V
R766
60.4K 1%
R760
33R 1/16W 5%
C758
R768 3.3NF 50V
100K 1/16W 5%
EN 59
FB754
PVDD
120R 3A
2 1
1 2
FB755 + + C770
120R 3A C762 NC/220UF 16V
NC/220UF 16V
D750
FB340M
1 2
VBOOST
D751
FB340M
C777 D752
100N 50V FB340M
R4293
4.99K 1/16W 1%
back to
2016-May-13
div.table
5,7,8,9,10,11,12,13,14,15,16,17,18,19 GND
PANEL_VCC_ON/OFF
13 PANEL_VCC_ON/OFF
12 PVDD
LNB_EN
15 LNB_EN
LNB_LINEDROP
17 LNB_LINEDROP
13/18V_SW
15 13V/18V_SW
TUNER_LNB
15 TUNER_LNB
DISEQC_OUT
15 DISEQC_OUT
TUN_LNB
17 TUN_LNB
LNB_LINEDROP
17 LNB_LINEDROP
TUNER_LNB
R4292
34.8K 1/16W
TUN_LNB
ZD4103
MM3Z3V6B
System Power 2
B02
GND
PVDD
C 2015-12-11
715G7030
20050_510.eps