Akai LCT2785TA, Service Manual

Page: 24 / 64

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
GND
+5V_TUNER
RF_AGC
2nd_IF-
TUNER_SDAO
IF_AGC
RF_AGC
IF_AGC
2nd_IF-
TUNER_SCLO
TUNER_SCLO
TUNER_SDAO
+5V_TUNER
+5V_TUNER
+5V_TUNER
+5V_TUNER
GND 1,2,4,5,6,7,8
+5V_TUNER 2,4
RF_AGC 4
IF_AGC 4
2nd_IF- 4
4
TUNER_SCLO 4
TUNER_SDAO 4
Title
Size
Document Number
R e v
Date: Sheet o f
MT5351RA-V2 1
Custom
3 8 Monday, February 20, 2006
TUNER
MediaTek Confidential
TwinSon Chan
GLOBAL SIGNAL
TUNER INTERFACE
ROUTE SYMMETRICALLY
IF SAW FILTER AND AMPLIFIER
R15
10K
R0603/SMD
R19 100 R0603/SMD
C6
1uF
C0603/SMD
L10
FB
BEAD/SMD/0805
CB18
0.1uF
C0603/SMD
C7
1uF
C0603/SMD
L12
NS
L/IND/SMD/0805
+ CE18
10uF/16v
C10UF16V/D5H11
R22
510/1%
R0603/SMD
R17 NS R0603/SMD
R21
510/1%
R0603/SMD
R18 100 R0603/SMD
R16
10K
R0603/SMD
U9
PORT SAW FILTER X6965D SIP5K
SIP5K/DIP
IN+
1
IN-
2
GND
3
OUT+
5
OUT-
4
+ CE17
10uF/16v
C10UF16V/D5H11
U8
PORT TUNER TD1336/FGHP
GND
TH1
GND
TH2
GND
TH3
GND
TH4
Outdoor PS
1
VS_sp5V
2
OOB_OP
3
NC
4
RF_AGC
5
NC
6
AS
7
SCL
8
SDA
9
NC
10
VS5V
11
Broad_IF_OP
12
IF_AGC
13
Narrow_IF_OP1
14
Narrow_IF_OP2
15
C4
1nF
C0603/SMD
C5
0.1uF
C0603/SMD
R23
4.7K
R0603/SMD
U10
upc3218
TSSOP8/SMD
VCC_+5V
1
IN_1
2
IN_2
3
VAGC
4
GND
5
OUT_2
6
OUT_1
7
GND
8
CB17
0.1uF
C0603/SMD
L11
FB
BEAD/SMD/0805
R20
4.7K
R0603/SMD
C3
10nF
C0603/SMD
C8
10nF
C0603/SMD
23