Hitachi LE40TF07A Service Manual page 23

SCHEMATIC DIAGRAMS
US B5V 5V TV
L2 2
100uH
SW_ +12V U9
1 3
V I V O
C149 E1 1 C150 C151
+
NC/0.1uF NC/UTC7 8D05L 470uF-10V 0.1uF 0.1uF
T1
12
NC
16 11
GND NC
13 10 DIF 2_OUT2
GND IF 2
9 DIF 2_OUT1
IF 1
8 5V TV
V CC
7 TUNER_ SCL/
SCL
6 TUNER_ SDA /
SDA
5 GND
AS
4 GND
GND
3 +33V
TU
14 2 IF _AGC
GND AGC
15 1
GND V T
NC/CDT-3 SP5I2-36
NC/47pF
C147 C145
R15 0
DIF 2_OUT2
104 C152 L1 0
33ohm
100nH
C155 220pF
R15 4
DIF 2_OUT1
104
33ohm C157
NC/47pF
T2
IF OUT2
16
GND IF OUT1
T9 9 13
GND BT
T1 00
ADC
T1 01
V CC
T1 02
SDA
T1 03
SCL
T1 04
AS
T1 05
BT
T1 06
AGC
T1 07 14
GND V CC
15
GND NC
F02WT-3 DS -E
C148
R15 1
V IF M
104
68ohm
C156
R15 3
R15 5
V IF P BS
104
68ohm NC/1Ko hm
12 DIF 2_OUT2
11 DIF 2_OUT1
TUNER_ SDA /
10
TUNER_ SCL/
9
8 5V TV
7 TUNER_ SDA /
6 TUNER_ SCL/
5
4
3 IF _AGC
2 5V TV
1
- 23 -
M_+6.0V
C146 L9
NC/EC0 410-101K-R-L-F
NC/104
D23 NC/100ohm
2 C153
Q19
NC/103
NC/LM BT3 904LT1 G
NC/BA V 99
R15 6
10Ko hm
100ohm
R15 8
R15 9
C158 C159 100ohm
33pF 33pF
R16 0
IF _AGC IF _AGC/
C160 100ohm
104
Circuit Diagram of LE40TF07A (07/09)
Tuner & IF
+33V
R15 2
D24 E1 2 C154 C192
+
NC/33V NC/103 NC/103
NC/4.7uF-50V
5V TV
R15 7
10Ko hm
TUNER_ SDA
TUNER_ SCL