Ssb: Mpif Main: If & Saw Filter (B3C) - Philips 37PF9631D/37 Service Manual

Circuit Diagrams and PWB Layouts
SSB: MPIF Main: IF & SAW Filter
1 2
MPIF MAIN: IF + SAW FILTER
B3C
A
+5V
IA36
+5VaM
B
C
1A10
OFWM1967L
AA46
2A90
2
IF-ANA
I1
3
10n I2
1
4
5
6
9
10 GND
13
14
D
15
18
45M75
E
3104 313 6097.5
1 2
EJ2.0U LA 7.
3 4
+5VbM
5A17
+5VTUN
220R
7A00-2
PNX3000HL/N2
IA40
IA41
2A52
3A20
111
VIFPLL
390R
100n
AA18
107
7
O1 VIFINP
8
O2 AA19
108
VIFINN
99
11
SIFINP
12
100
NC 16
SIFINN
17
IA43
101
SIFAGC
105
TUNERAGC
FA20
113
2NDSIFEXT
106
FUSE4
3 4
EN 56
5 6
100n
2A47
IA34
IA37
IA31 2A19 IA35
10n
120
CVBSOUTIF
116
IF PART
DTVOUTP
117
DTVOUTN
122
+5VaM
VCC1_VSW
118
VCC_SUP
125
+5VaM
VCC2_VSW
IA44
114
2NDSIFAGC
102
DTVIFAGC
5 6
7 8 9
+5VbM
3
CVBSOUTIF-MAIN
7A11
IA45
3A17 IA38
1 BC847BW
IA39
100R
3A18 3A19
2
180R 180R
9A15
RES
IA42
+5VTUN
7 8 9
1A10 C2
2A19 B5
B3C
2A47 B5
2A49 B4
2A50 B2
2A51 C9
2A52 C3
2A53 D4
A
2A54 D7
2A55 D3
2A56 D7
2A57 D7
2A58 E3
2A90 C1
3A17 C7
3A18 C8
3A19 C9
3A20 C4
5A16 B1
B
5A17 B4
5A18 C1
7A00-2 C4
7A11 C8
9A15 C7
AA18 C3
AA19 C3
AA46 C1
FA20 D3
IA31 B5
C
IA34 B5
IA35 B6
IA36 B2
IA37 B5
IA38 C8
IA39 C8
IA40 C4
IA41 C4
IA42 D7
IA43 D4
D IA44 D7
IA45 C7
E
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