Mono Carrier: Tuner If (A3) - Philips 29PT5445/85 Service Manual

Circuit Diagrams and PWB Layouts
Mono Carrier: Tuner IF
1 2
TUNER IF
A3
A
B
TUNER_AGC 3005
A4
100R
+5V
C
SDA
A4
A4
SCL
B3B-EH-A
D
E
3139 123 5596.5
1 2
L03.1U AA 7.
3 4
3001
4K7
2
3
4
1003
3003
5
1 3004
2
100R
3 100R
4001
3 4
EN 18
5
+5V VTSupply
1000
UV1336 1 7 9
AGC VS VTS
TU
F003
AS
TUNER
11
SCL IF
F003
SDA
GND NC
200mV / div AC
10 12 13 14 15 6 8
20µs / div
4000
FAMILY BOARD 11 NC : 3139_123_5595
MAIN CHASSIS 11 NC : 3139_123_5596
5
6 7
VTSupply_A
1001
OFWG1984M
VIF_1
1 4
A4
VIF_2
2 5
A4
3
0285
0283
6 7
8
0283 E8
A3 0285 D8
1000 C4
1001 C6
1003 C2
2001 C2
2002 C3
2003 D3
2004 D4
2005 C5
2006 C2
A 2007 C6
3001 C2
3002 C2
3003 D3
3004 D3
3005 B2
4000 D4
4001 E2
5001 D6
5002 B4
5003 B5
6001 C6
B
9002 B5
9282 B5
C
D
E
G_13933_003.eps
010506
8