Philips 32PHS6605/12 - Page 36

9-1-2 System Power 2
R748
3K
R7 3 5
NC
NC
Ye s
Ye s 0R
5. 1 K
PA N EL VC C
+5 V
+1 2V
FB 7 10FB 7 09
+12V
R764
10K 5%
C754
100N 50V
R736
13.3K 1%
C762
10NF 50V
C758
10UF 16V
C757
10UF 16V
C755
10UF 16V
R737
NC/10K 5%
C759
100N 16V
R729
100K 1%
+12V
L705
4.7uH
C756
100N 16V
+5V_Normal
U706
SY8113IADC
BS
1
GND
2
FB
3
EN
4
IN
5
LX
6
3. 3A
STANDBY
US B P O W E R
C752 220PF 50V
Vo u t = 0 . 6V ( 1+ ( 10 0 K/ 1 3. 3 K
⊙
))=5.111V
R730
0R05
C779
10uF 6.3V
C772 220nF 16V
LNB_SEL
11
C770
NC/10uF 25V
Q703
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
R746
3K
C764
NC/10NF 50V
LNB_+1V
R752
10K 5%
DISEQC
LNB_+1V
R754
100K 1%
C767
10uF 25V
PA N E L _ O N/ O F F : ( SAR 2 )
Normal:High
Stand_By:Low
Pa n e l V C C = 12 V or 5V
VCC_LNBALNB_EN
LNB_SEL
LNB_SEL
LNB_EN
LED701
GPTS06033GC1-PB
12
C776
0.1uF 25V
R734
10K 1/10W
C766
10UF 16V
R744
100K 5%
R741
10K 5%
C775 22NF 25V
FB709
120R 3A
1 2
C765
0.1uF 25V
R745
60.4K 1%
R732
10K 1/10W
R739 10K 5%
R735
0R05
R756
NC/100K 5%
13 / 1 8 V _ S W :
High: 18V
Low: 13V
LNB _ E N :
Low: disable
High: enable
MP8124
Enable
Selection
LNB PO W E R S U P P L Y
C774
0.1uF 25V
ES D & S u rg e
Protect
LN B _ + 1 V :
Low: 13.3/18.3V
High: 14.3/19.3V
Compensation
Selection
C769
10uF 25V
R751
10K 5%
FB710
NC/120R 3A
1 2
R757
NC/100K 5%
D704
FB340M
1 2
C771
NC/10uF 25V
D705
FB340M
1 2
ZD704
PJSD24CW
1 2
R747
3K
L706 10uH
ZD703
PJSD24CW
1 2
R740
100K OHM 5% 1/8W
C768
10uF 25V
R742
NC/10K 5%
R753
33R 5%
+
C753
100UF 16V
Q704
MMBT3904
C760
1uF
U707
MP8124GD Z

AGND
8
BYPASS
11
VDD
12
COMP
10
EN
2
LINEDROP
1
TCAP
9
VOUT
7
VBOOST
6
BST
5
SW
3
PGND
4
13V/18V
14
EXTM
13
D703
FB340M
1 2
R743
NC/10R 1/16W 5%
C773
3.3NF 50V
C763
4.7UF 6.3V
+12V+5V_Normal PANEL_VCC
+3.3V_Normal +3.3V_Normal
+3.3V_Standby
+12V
+12V
+5V_Normal
+5V_Normal
L707 2.2uH
R766
18K OHM 1%
R765
10K 1/16W 5%
R767
75K 1/16W 1%
U708
SY8089A1AAC
EN
1
GND
2
LX
3
IN
4
FB
5
C778
68P 50V
Vo u t = 0 . 6x (1 + ( 75 K + 6 K 2 ) / 18 K ) = 3 . 3 V
GND
3,5,6,7,8,9,10,11,12,13,14,15,16
R768
6K2 1/10W 1%
+3.3V_Standby
R769
NC/0R05 1/10W
PANEL_ON/OFF
STANDBY
3
LNB_+1V
11
VCC_LNBA13
LNB_EN
11
DISEQC
11
PANEL_ON/OFF
11