Philips 32PF9968/10 Service Manual page 28

Circuit Diagrams and PWB Layouts
Mono Carrier: Tuner IF
1 2
TUNER IF
A3
A
1000
FOR ITV ONLY
12
1010
0V0
13
MT
TO 0282
FOR EMC ONLY 14
OF
15
1011
B
AS SCL SDA
Gnd2
3 4 5
4000
SCL 3000
A4
100R
4001
SDA 3001
A4
100R
C
1005
7001
D PDTC124ET
SEL_LLP|M
3006
A4 2V3
10K
E
F
G
H
3141 053 3129.3
1 2
L04A AD
3 4 5
1
2
6
VT_Supply
NC
9
33V5
10
11
Gnd2
Gnd2 6003
+5 ADC
7 8
BAS316
6002
BAS316
Gnd2 Gnd2 3002
10K
*
*
4006
Gnd2
+5V
0V0
IFGND
100n
2009
100n
2009
Gnd2
3 4 5
7. 28
6 7
+5V
5001
* 4005
3005
100R
for ATSC
2016
5V
4010
1n0
2014 7003
3010
1V1
BFS20
* 1n0
0V3
1002
K3953M
1 4
2 5
3
IFGND GND_28
1003
1013
OFWK6272K
10 4
SWI O1 Gnd2
(For Lighting Protection)
1
IN
2 5 for EMC
4004
ING O2
GND
4013
RES
GND_28
3 8
GND_28 GND_28
1001
K9656M
IFGND
1 4
2 5
4011
3
GND_28
IFGND
6 7
8 9
1000 A2
1001 E6
A3
1002 D6
1003 E6
1005 C1
1010 B1
A 1011 B1
1012 C8
1013 E8
2001 C2
2002 C3
2003 C4
2004 B4
2005 B4
2006 B5
2007 C4
2007 B5
2008 C4
B
2009 F4
2009 G4
2009 C7
2013 D8
2014 C7
RF_AGC
2016 C8
A4 3000 B2
3001 C2
3002 B5
3003 B5
3004 C5
1012
3005 B6
RES
C
3006 D2
3007 D5
SSIF
3008 D5
A4
3009 D3
3010 C6
3014 C7
3016 C7
3018 D7
3019 D7
4000 B2
4001 C2
4002 E6
D
4003 C4
VIF1
4004 E6
A4
4005 B7
4006 C5
VIF2
4010 C6
A4
4011 F6
4012 F6
TO 1510 OF
4013 E8
5001 A7
5002 C4
5003 F7
E
6001 B4
6002 B5
6003 B5
6004 D4
7001 D2
7003 C7
SIF2
A4
SIF1
A4
F
G
H
G_15880_003.eps
100206
8 9