Sanyo LCE-24XF9T - Tuner Circuits

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
IF_TV
T_IFAGC
T_RF_AGC
T_RF_AGC RF_AGC
IF_TV
T_RF_AGC
VIFM
VIFP
IF_TV
5V_B
5V_TUNER
5V_B
5V_TUNER
5V_B
3.3VA
12VTUNER
#IF_OUT 10
IF_OUT 10
VIFM 2
VIFP 2
RF_AGC_SEL 2
T_IFAGC 10
RF_AGC 2
IF_AGC_DVB10
T_SDA 2,10
T_SCL 2,10
#IF_OUT 10
IF_OUT 10
T_IFAGC 10
T_SDA 2,10
T_SCL 2,10
Title
Size Document Number Rev
Date: Sheet
of
4/10 0.1
TUNER
Custom
410Tuesday, February 15, 2011
Title
Size Document Number Rev
Date: Sheet
of
4/10 0.1
TUNER
Custom
410Tuesday, February 15, 2011
Title
Size Document Number Rev
Date: Sheet
of
4/10 0.1
TUNER
Custom
410Tuesday, February 15, 2011
DVB-T TUNER
Close to tuner
TUNER POWER RF AGC Switch
Close to MSD309
Q604
靠近 tuner RFAGC 脚放置
close together
SAW Drive
C87 0.1uC87 0.1u
IN GND
OUT
U18
BA05
IN GND
OUT
U18
BA05
3 2 1
4
C510
47pF
C510
47pF
C509
47pF
C509
47pF
C89 0.1uC89 0.1u
Q604
3906
Q604
3906
1
3 2
R456
22R
R456
22R
C481
0.1u
C481
0.1u
C482
0.1u
C482
0.1u
+
CA20
470uF/16V
+
CA20
470uF/16V
R422
100K
R422
100K
R429
NC/390R
R429
NC/390R
C465
47n
C465
47n
L40
FB
L40
FB
C388
10u
C388
10u
Q403
3904
Q403
3904
1
2 3
L42 2.2uHL42 2.2uH
R400
10K
R400
10K
U10
VA1P1BF8401
U10
VA1P1BF8401
Body
15
NC
3
AS
4
SDA
6
SCL
5
IFD_OUT2
11
IF_AGC
9
IFD_OUT1
10
Body
12
Body
14
Body
13
RFAGC_M
1
NC
2
VCC_5V
7
IFA_OUT
8
C459
1n
C459
1n
R409
10K
R409
10K
SAW
U30
F4401
SAW
U30
F4401
ING
2
OUT1
4
GND
3
OUT2
5
IN
1
C463
47n
C463
47n
R415
10K
R415
10K