Philips 32PFL5405H/05 Service Manual page 148

Circuit Diagrams and PWB Layouts
DVBS-Supply
DVBS-Supply
B08B
1 2
A
B
C
+12V
RES
D
IT56
5T51
+V-LNB
30R
RES
E
F
1 2
Q552.1E LA 10. EN 148
3 4 5
+12V
RES
7T50-1
LNBH23Q
3T51
SCL-SSB
100R
9
SCL
3T61
6
SDA-SSB
SDA
100R
3T60 RES
10
ADDR
10K
3T55 RES
2T54 29
LNB-RF1 DISECQ-DET RES
DETIN
IT61 IT62
10n 10K
3T56
1 2
DSQIN
9T50
IT63
10K
RES 9T51 13
F22-DISECQ-TX
EXTM
IT65
14
TTX
30
VCTRL
IT57
27
VUP
IT58
15
BYP
7T50-2
LNBH23Q
34
35
36
3 4 5
2010-Feb-19
6 7
+12V +3V3-DVBS
IT50
RES
IT28
IT60
5T52
IT51
220u
Φ
IT53
3T52 3T53
28
ISEL
22K 15R
4
LX
21
VORX
IT54
3T62
22
VOTX
IT66 1R0
3T57 RES
1 1
+3V3-DVBS
DSQOUT
10K
1
2
3
7
8
16
17
NC
23
24
25
26
IT64
31
32
RES
6T54 RES
IT68
7T51
BC817-25W
BAS316
IT69
9T52 RES
VIA
39
VIA 40
VIA
VIA
6 7
back to
div. table
8 9
V0-CTRL
IT52
LNB-RF1
IT67 IT55
2T60
3T58 RES
DISECQ-DET
10u 2K2
IT59
DISECQ-RX
8 9
DVBS-SUPPLY
8204 000 8962
B08B
2T50 B4
2T51 B5
2T52 B5
2T53 C7
2T54 C4
2T55 D1
2T56 D1
2T57 D2
2T58 D2
A
2T59 E4
2T60 C8
2T61 E6
2T62 D9
3T22 B7
3T27 E7
3T50 B5
3T51 C4
3T52 C6
3T53 C7
3T54 D7
B
3T55 C4
3T56 D4
3T57 D6
3T58 C8
3T59 D8
3T60 C4
3T61 C4
3T62 C7
5T50 B6
5T51 D2
5T52 C7
6T50 C7
C
6T51 D7
6T52 D1
6T53 D2
6T54 E6
6T55 D1
7T50-1 C5
7T50-2 E5
7T51 E7
9T50 D4
9T51 D4
9T52 F6
IT28 B6
D
IT50 A5
IT51 C7
IT52 C8
IT53 C6
IT54 C7
IT55 C9
IT56 D1
IT57 D3
IT58 D5
IT59 E8
IT60 C6
E
IT61 D4
IT62 D5
IT63 D5
IT64 D7
IT65 D4
IT66 D6
IT67 C8
IT68 E6
IT69 E7
F
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