Tuner - Philips 32PFL3008/98 Service Manual

Circuit Diagrams and PWB Layouts
10-3-7

Tuner

Tuner
B07
Silicon Tuner
TUNER AGND
TU101
1
ANT
2 Tuner3.3V
3.3V
3
SCL_CAN
SCL
4 SDA_CAN
SDA
5
C131
GND
6 1uF 10V
Xout
7
AIF+
IF_N
8 AIF-
IF_P
9 IF_AGC
IF_AGC
AGND
C133
1N 50V
AGND
AGND
BPF_IN
L102
AIF+
1UH
C135
56pF 50V
L101
AIF- 1UH
L need Q>15
IF_AGC Control Circuit
3.3V_TUNER
R144
10K
TAGC
R146
2 TAGC
0R05 OHM
C140
22NF 25V
AGND
TPS10.1A LA 10.
Tuner Power
DGND
3.3V_TUNER
+5V_Normal
U101
3
VIN VOUT
C127
3.3V_TUNER 10uF 10V C128
100N 16V
C132
1N 50V
DGND
DGND
L103 C134
TUN_IF+
2.2uH 100N 16V
C136 R140
510R
33PF 50V
C137
L104
2.2uH TUN_IF-
100N 16V
R101
IF_AGC
100R
To tuner
C141
100NF 16V
AGND
EN 53
3.3V_TUNER
FB101
2 1 2
1000OHM
C129 C130
+
2.2UF 16V
100UF 16V C101
100N 16V
DGND
DGND DGND
back to
2013-Aug-30
div.table
B07
Main Chip <-->
TUN_IF+
2 VIFP
TUN_IF-
2 VIFM
TUN_I2C_SCL
2 TUNER_SCL
TUN_I2C_SDA
2 TUNER_SDA
I2C for Tuner
3.3V_TUNER
TUNER_SCL
R141 4.7K
TUNER_SCL 2
R142 4.7K TUNER_SDA
TUNER_SDA 2
R143
TUNER_SCL SCL_CAN
100OHM
C138
NC/100pF 50V
R145
TUNER_SDA AGND SDA_CAN
100OHM
C139
NC/100pF 50V
AGND
715G5740
Tuner
19450_514_130110.eps
A 2012-09-24
130110