Philips 32PFL3007H/12 Service Manual page 67

Circuit Diagrams and PWB Layouts
10-2-2 System Power 2
System Power 2
B02
+5V_SW +12V
Panel VCC=12V
R769 R768
0R051/8W
NC/0R051/8W
PANEL_VCC ON/OFF:(GPIO16)
R752
Normal:High
10K 1/10W 5%
Stand_By:Low
R751
5.1KOHM +-5% 1/10W
PANEL_VCC_ON/OFF R750 10K 1/16W 5%
C751
4.7UF 10V
LNB Power Supply
+12V
FB750 120R/3000mA
L750
1 2
22uH
C759 C756
10uF 16V 100N 16V
R757
100 OHM 1/4W
C761 C763
100N 16V 220N 25V
TPM9.1E LA 10.
PANEL_VCC
+5V_STB TO DV33SB
+5V_STB
Q750
8 1
D D
7 2
D D
6 3
D D
5 4
S G
C753
+
AON4421
C752
1UF16V
C750 1UF16V
R753 7K5 1/10W 5%
Q751
BC847C
AVDD3V3
ADAC_PWR
R754
0R05 1/10W
D750
1 2
150UF 25V
FB340M + C758
C754 0.47UF 50V
U751
LNBH23QTR
1
NC
2
NC
3
NC
4
LX
5
P-GND
S2_DEMO_SDA
R758 6
SDA
100R 1/16W 5%
7
NC
8
NC
S2_DEMO_SCL R755
100R 1/16W 5%
DVDD3V3
R759
NC/0R05 1/16W
R763
R767 10K 1/16W 5%
4K7 1/16W 5%
DISEQC_IN
R760
0R05 1/16W
R762
0R05 1/16W
R764
NC/0R05 1/16W
DISEQC_OUT
R765
NC/0R05 1/16W
EN 67
13 PANEL_VCC_ON/OFF
2,4,5,6,7,8,9,10,11,12,13,14,15,16,17
3V3SB
U750 G1117-33T63Uf
3 2
VI VO
+ C755
10UF 25V
2,4,5,6,7,11,14
DVDD3V3
R756
20K5 1% 1/8W
D751
FB340M
2 1
C762
10N 50V
R766
10K OHM +-5% 1/8W
C766
R770 1R 1/8W 5%
24 D752 10uF 25V
NC
BAT43W C767
23
10N 50V
NC
22
VoTX
21 R761
VoRX
15R 1%
20 D753
A-GND
C765
BAT43W
19 220N 25V
VCC
L751
18 220UH
VCC-L
17
NC
C764
220N 25V
R771
0R05 1/16W
back to
2012-Apr-27
div. table
PANEL_VCC_ON/OFF
GND
GND
TUNER_LNB
17 TUNER_LNB
DISEQC_OUT
17 DISEQC_OUT
DISEQC_IN
17 DISEQC_IN
S2_DEMO_SDA
17 S2_DEMO_SDA
S2_DEMO_SCL
17 S2_DEMO_SCL
3V3SB
3V3SB
+5V_STB
+5V_STB 2,4,5,7
DVDD3V3 2,4,5,6,7,10,11,12,13,14,15,16,17
TUNER_LNB
ZD750
NC/PJSD24CW
System Power 2
B02
1 2012-02-06
715G5163
19230_519_120209.eps
120209