Philips 22PFS4232/12 Service Manual page 56

8-6-10 T2 Tuner
T2 TUNER
LGTuner with DVB-C/T/T2
co-layout
TU102
9 1
TH1 Ant.PWR
10
TH2
11 2
TH3 +B1(+3.3V)
12
TH4
13 3 TUN_SDA
TH5 SDA
14
C203
TH6
4
TUN_SCL
SCL
100NF 16V
5
TUN_DIF-#T2
DIF(N)
6 TUN_DIF+#T2
DIF(P)
7 IF_AGC_T T2_IF_AGC
R347
IF AGC
C231 0R05 1/16W
8
NC
1NF 50V
C132
NC/10PF 50V
TUN_DIF-#T2 TUN_DIF-
C205 100NF 16V R138
0R05 1/16W
C R
TUN_DIF+#T2 C206 100NF 16V R141 TUN_DIF+
0R05 1/16W
C R
C135
NC/10PF 50V
CLOSE TO TUNER
1'st Source :LGIT TDSY-G430D (394GPASEBIL02G)
2'nd Source : TCL ST42CS-2-E (394GNPALALL32L)
Tuner control I2C
+3V3_TUNER
1 2
120R 1A
C215 FB105
TUN_SDA
10UF 6.3V 20%
TUN_SCL
T2 Tuner IFAGC
DV33
R202 R201
4K7 1/16W 5%
4K7 1/16W 5%
from scaler
TUNER_SDA
R340 22R 1/16W 5%
R346 22R 1/16W 5% TUNER_SCL
C257 C256 CLOSE TO TUNER
22PF 50V
22PF 50V
PWR_12V
+5V_SW
DV33
+3V3_TUNER
DV11
DV33SB
GND
Tuner
TUN_DIF-
TUN_DIF- 7
TUN_DIF+
TUN_DIF+ 7
TUNER_SDA
TUNER_SDA 10
TUNER_SCL Demod
TUNER_SCL 10
T2_IF_AGC
T2_IF_AGC 11
CI_INCLK
CI_INVALID
CI_INSY NC
CI_INDATA7
CI_INDATA6
CI_INDATA5
CI_INDATA4
CI_INDATA3
CI_INDATA2
CI_INDATA1
CI_INDATA0
PWR_12V 4,11,14,17,18
+5V_SW 4,9,11,14,17
DV33 4,5,10,11,12,14,17
+3V3_TUNER 4
DV11 4,12
DV33SB 4,6,10,12
+3V3_TUNER
GND 4,5,6,7,8,9,10,11,12,14,15,16,17,18
CI_INCLK 9
CI_INVALID 9
CI_INSY NC 9
CI_INDATA7 9
CI_INDATA6 9
CI_INDATA5 9
CI_INDATA4 9
CI_INDATA3 9
CI_INDATA2 9
CI_INDATA1 9
CI_INDATA0 9