Philips 24PFS6805/12 Service Manual page 89

9-4-10 Tuner/Demod
T 2 T U N E R ( R / A )
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
6,11 I2C_SDA
6,11 I2C_SCL
I 2 C
c l o s e t o t u n e r
11,13 IF_AGC
A G C
c l o s e
11,13 IFAGC-S
A G C - S
c l o s e
+3.3V_Normal +3.3V_TU
FB103
1 2
120R 3A
+3.3V_TU
C110 C111
100N 16V 10uF 6.3V
R134
100R 5%
SDA-T
SCL-T
R135 C114 C115
100R 5%
33PF 50V 33PF 50V
IF-IN-
IF-IN+
I F
IF-AGC-T
R136 NC/10PF 50V
C116
100R 5%
100N 16V
t o t u n e r
IF_AGC_S QP
R139
C117 I F - S
100R 5%
IP
100N 16V
t o t u n e r
+3.3V_Normal +3.3V_AGC
FB102
1 2
120R 3A
C118 C119 C120 C121
10uF 6.3V 100N 16V 10uF 6.3V 100N 16V
S 2 T U N E R ( R / A )
+3.3V_TU
R137
0R05
DIFM 11
DIFP 11
R138
C144 C145 0R05
NC/10PF 50V
IP_S 11
QP_S 11
L G T u n e r w i t h D V B - S / S 2
TU102
TDJA-G661D
1
SCL-T
SCL
SDA-T 2
SDA
3
+3V3_VCC_S2
+3.3V
4
NC 1
C113 C112
5
IF-AGC-T
10uF 6.3V 100N 16V
IF_AGC
6
NC 2
7
IF-IN-
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)
I 2 C A d d r e s s 0 x C 6 / C 7
11,13 IF_AGC
11,13 IFAGC-S
4 VCC_LNBA