Philips 32PFS5709/12 Service Manual page 159

Circuit Diagrams and PWB Layouts
10-14-2 System Power 2
System Power 2
B02
PANEL_VCC ON/OFF:(OPCTRL9)
Normal:High
Stand_By:Low
PANEL_VCC_ON/OFF
R759
10K 1/16W 5%
LNB POWER SUPPLY
4K7 1/16W 5% 47NF 16V
R766 C758
470PF 50V C757
DVDD3V3
R777 NC/10K 1/16W 5%
R763 NC/10K 1/16W 5%
+12V
R765 100K 1/10W 5%
DVDD3V3
R769 10K 1/16W 5%
LINEDROP
LO : 13V/18V
HI : 14V/19V
TPM14.2E LA 10.
+12V_Audio
PANEL_VCC
+5V_SW +12V
Q750
8 1
D D
7 2
D D
6 3
D D
5 4
S G
SM3201PSQA-TRG +
C752
C750 220UF 16V
1UF 10% 16V
R752 R753
10K 1/10W 5% 20K 1/10W 5%
R751
5.1KOHM +-5% 1/10W
10K 1/16W 5%
R750 Q751
BC847C
C751
NC/4.7UF 10V
L750 D750
22UH FB340M 4.7uH
1 2
+12V
C772 C776
100N 16V 10UF 16V
U751
MP8126DF-LF-Z
C759
220NF 16V 1 16
SGND PGND
2 15
BY PASS SW
3 14 C754
+12V
VDD BST
4 13 100NF
COMP VBOOST
LNB_EN
5 12
EN VOUT
LNB_LINEDROP 6 11
LINEDROP ILIMIT
7 10 C761
POK TCAP
13/18V_SW 8 9 22NF 25V
13V/18V EXTM
R767
10K 1/16W 5%
DISEQC_OUT
R760
R768 33R 1/16W 5% R779
100K 1/16W 5% 39K 1/16W 5%
R4025
NC/0R05 1/16W
EN 159
FB754
PVDD
120R
2 1
1 2
FB755 + C762
120R 100UF 16V
L751
C771
2.2uF 25V
D751
FB340M
C777
D752 100N 50V
FB340M R4292
34.8K 1/16W 1%
R778
33Kohm 1/16W +/-1%
R4293
Q756 4.99K 1/16W 1% ZD4103
MMBT3904 MM3Z3V6B
R770
10K 1/10W 1%
back to
2014-Sep-26
div.table
PANEL_VCC_ON/OFF
10,12 PANEL_VCC_ON/OFF
3,5,6,7,8,9,10,11,12,13,14,15,16 GND
TUNER_LNB
15 TUNER_LNB
+5V_SW
3,6,7,10,14,15 +5V_SW
DISEQC_OUT
15 DISEQC_OUT
13/18V_SW
15 13/18V_SW
LNB_LINEDROP
15 LNB_LINEDROP
+12V
3,8 +12V
DVDD3V3
3,5,6,8,10,12,13,15,16 DVDD3V3
8 PVDD
15 LNB_EN
12 TUN_LNB
TUNER_LNB
TUN_LNB
System Power 2
B02
GND
PVDD
LNB_EN
TUN_LNB
2013 12 16
715G6080
19610_514.eps