Toshiba 40LV733G Service Manual page 33

5
5V_T1
5V_T1
Panasonic
C351
0.1uF 50V
101
1
+B Active Antenna
2
R
BB
RF_AGC#
3
D
RF-AGC
5
NC
6
BT Monitor
5V_T1
10
NC
11
NC
13
SCL
14
SDA
15
NC(4MHz)
16
IF AGC
5V_T1
17
+B
TU_FAT_IN2+
19
IFD-out1
TU_FAT_IN2-
20
IFD-out2
21
IF Monitor
C356
22
TH1
39pF 50V
23
TH2
C357
24
TH3
39pF 50V
25
TH4
NC/FH2607 TU102
28
C TH4
27
TH3
24
NC
23
NC
22
NC
21
NC
20
NC
19
NC
18
WIF OUT
TU_FAT_IN2+
17
DIF2
TU_FAT_IN2-
16
DIF1
IF_AGCT_T_TUNER
15
IF_AGC
14
NC
T_SDA
13
SDA
T_SCL
12
SCL
R428 NC
11
As
5V_T1
10
NC
9
GND
8
VT
5V_T1
7 5V_T1
VP(TUN)
6
GND
RF_AGC#
5
RF_AGC
4
NC
3
B
GND
2
Ant Pwr
1
RF_IO
26
TH2
25
TH1
+5V_SW
+5V_TUNER FROM Regulator
4 5
NC NC
3 6
VIN VO
2 7
EN FB
1 8
NC GND
C377
C376
R640
U123 100N 50V
100N 50V SC4215HSETRT
C374
A
10uF 10V
9.53K OHM +-1% 1/10W
R641
1K1 1/10W 1%
5
4
TUNER5V
1 2
FB121 80 OHM
C353
+
47uF/16V
C352
10uF 10V NC/100K 1/10W
R645
M_GPIO2
Close to TUNER
57G 420519
Q128
RF_AGC
NC/BC857C
R414
0R01 1/10W
colby 0622
colby 0624
R415
colby 0622
4.7K 1/10W
T_SCL R417 200R 1/10W 5%
T_SDA R418 200R 1/10W 5%
C358
C359
39pF 50V
39pF 50V
IF_AGCT_T_TUNER R421 IF_AGC
10K 1/10W
C365 C366
47N 50V 47N 50V
TU103
1
NC
2
NC
3
GND
4
+B
5
RF AGC
6
GND
7
SDA
8
SCL
9
MOPLL AS
10
DIF+
11
DIF-
12
IF AGC
20
TH4
19 13
TH3 SIF
18 14
TH2 NC
17 15
TH1 Audio
16
TUNER5V
Video
R650
NC/TUN-TDTW-S710D
NC/LG TDTW-S810D
0R05 4A 1/4W
+ C375
470uF 16V
VO=4.831V
colby 0624
4
3
T
R412
RF_AGCT
R411
10K 1/10W 10K 1/10W
C354
C355
47N 50V
47N 50V
Close to MT5363
TUNER5V
RFAGC Critical Signal
R416 Place these two LPF closed to
4.7K 1/10W
main chip rather than tuner.
SCL_TU
SDA_TU
Place these two LPF closed to
main chip rather than tuner.
R422 IF_AGCT
10K 1/10W
5V_T1
C545
R661
100N 16V
M_GPIO2
NC/0R01 1/10W
RF_AGC#
T_SDA
T_SCL
TU_FAT_IN2+
TU_FAT_IN2-
IF_AGCT_T_TUNER
3
2
3,4,5,6,7,8,9,10,11,12,14,15,16,17 GND
Impedance Contrl 100ohm and
route these path with differential
pattern on top layer.
C695
L111
R419 22pF 50V
TU_FAT_IN2+
0.33uH 10%
49.9 OHM +-1% 1/10W
L114
R423
TU_FAT_IN2-
0.33uH 10%
49.9 OHM +-1% 1/10W
C696
22pF 50V
TU_FAT_IN2+ R425 0R01 1/10W
0.1uF 50V
TU_FAT_IN2- R429 0R01 1/10W
2
1
FAT_IN-
8 FAT_IN-
FAT_IN+
8 FAT_IN+
SDA_TU
7 SDA_TU
SCL_TU
7 SCL_TU
IF_AGCT
8 IF_AGCT
RF_AGCT
8 RF_AGCT
M_GPIO2
7 M_GPIO2
IF_AGC
7 IF_AGC
Tuner Control
IF BPF
C361
33PF 50V
MT5363
C360
FAT_IN+
L112
0.22uH 10%
10N 50V
C363
L113
33PF 50V
NC
C368
L115
FAT_IN-
0.22uH 10%
10N 50V
C369 33PF 50V
TDA10024
C563
22R 1/10W 5%
VIP 7
R722
L122
0.33uH 10%
C703
56pF 50V
C564
22R 1/10W 5%
VIM 7
0.1uF 50V
R723
MAIN [13] TUNER
1
D
C
B
A