Philips 24PFS6805/12 Service Manual page 45

9-1-11 Tuner/Demod
T 2 T UN E R
TU101
8 1
TH1 Ant. PWR
9
TH2
10 2
TH3 +B1(+3.3V)
11
TH4
12 3
SDA-T
TH5 SDA
13
TH6
4
SCL-T
SCL
5
IF-IN-
DIF(N)
6
IF-IN+
DIF(P)
7
IF-AGC-T
IF AGC
NC/TDSY -G480D
I 2 C A d d r e s s 0 x C 0 / C 1
N e t s
R134
100R 5%
I2C_SDA
I2C_SCL
R135
I 2 C
100R 5%
c l o s e t o t u n e r
IF_AGC
R136
A G C
100R 5%
c l o s e t o t u n e r
IFAGC-S
R139
A G C - S
100R 5%
c l o s e t o t u n e r
+3.3V_Normal +3.3V_TU
FB103
1
120R 3A
+3.3V_TU
C110 C111
100N 16V 10uF 6.3V
SDA-T
6,11
SCL-T
6,11
C114 C115
IF-IN-
33PF 50V 33PF 50V
IF-IN+
I F
C144
IF-AGC-T
11,13 NC/10PF 50V
C116
100N 16V
IF_AGC_S QP
11,13 11
C117 I F - S
IP
11
100N 16V
2
C118 C119
10uF 6.3V 100N 16V
+3.3V_TU
10uF 6.3V
I 2 C A d d r e s s 0 x C 6 / C 7
R137
0R05
11 DIFM
11 DIFP
R138
C145
0R05
NC/10PF 50V
IP_S
QP_S
S 2 T U N E R
L G T u n e r w i t h D V B - S / S 2
TU102
TDJA-G661D
1
SCL-T
SCL
2
SDA-T
SDA
+3V3_VCC_S2 3
+3.3V
4
NC 1
C113 C112
5
IF-AGC-T
100N 16V
IF_AGC
6
NC 2
IF-IN- 7
IF(N)
8
IF-IN+
C109
IF(P)
26
VCC_LNBA
LNB
27
1nF 50V GND
58
IF_AGC_S
SAT_AGC
59
IP
I(P)
60
NC 3
61
NC 4
62
QP
Q(N)
3,4,5,6,7,8,9,10,11,12,14,15,16
GND
IF_AGC
IFAGC-S
VCC_LNBA
11,13
11,13
4