5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
RTD2958
close Tuner
Main Chip <-->
I2C for Tuner
Cable
Air
Tuner Side
Main IC Side
To tuner
Close to Tuner
IF_AGC from main chip
ISDB-T
TUN_I2C_SCL
TUN_I2C_SDA
TUN_IF-
TUN_I2C_SDA
TUN_I2C_SCL
ATV_IF_AGC
AGC_T
IF-IN-
IF-IN+
TU
_S
D
A
TU
_S
C
L
TU_SCL
TUN_I2C_SDA
TU_SDA
TUN_I2C_SCL
IF-IN-
TUN_IF-
IF-IN+
AGC_T
ATV_IF_AGC
T
UNER_P9
T
UNER_P1
IF
-IN-
IF
-IN+
TU
_S
C
L
TU
_S
D
A
T
UNER_P2
AG
C_
T
T
UNER_P4
T
UNER_P8
TUNER_P2
RF-SW
RF-SW
TUNER_3.3V
AGND
TUNER_VCC3.3V/
AGND
AGND
TUNER_VCC3.3V/
AGND
TUNER_VCC3.3V/
AGND
AGND
AGND
TUNER_VCC3.3V/
AGND
AGND
AGND
AGND
AGND
AGND
TUNER_VCC3.3V/
AGND
AGND
AGND
AGND
TUNER_VCC3.3V/
AGND
AGND
TUNER_VCC3.3V/
TUNER_VCC3.3V/
AGND
TUNER_3.3V
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
D3V3
T
UNER_VCC3.3V/
TUNER_VCC3.3V/
AGND
ATV_IF_AGC
[3]
[3]
TUN_IF-
[3]
TUN_I2C_SCL
[3]
TUN_I2C_SDA
[3]
RF-SW
GPIO11
[3]
Size
Document Number
Rev
Date:
Sheet
of
Title
Design
Check
Auditing
Modify Rev
A
Custom
3
13
Saturday, August 03, 2013
TUNER
Check of name Auditing of name Modify Rev
Size
Document Number
Rev
Date:
Sheet
of
Title
Design
Check
Auditing
Modify Rev
A
Custom
3
13
Saturday, August 03, 2013
TUNER
Check of name Auditing of name Modify Rev
Size
Document Number
Rev
Date:
Sheet
of
Title
Design
Check
Auditing
Modify Rev
A
Custom
3
13
Saturday, August 03, 2013
TUNER
Check of name Auditing of name Modify Rev
L34
330nH 140mA
5%
Y102
16MHZ
1
2
CT9
20pF/NC
10nF
CT17
C820
47nF
C841
NC/120pF 50V
R23
430R
CT6
NM
C840
120pF 50V
L33 121/NC
T3
VA4N1BC1142-Sharp
NC
1
RF_SW
2
B1_3.
3V
3
IF
-
6
NC
9
SCL
10
SDA
11
GND
12
GND
13
GND
14
GND
15
NC
4
IF
-A
GC
5
IF
+
7
NC
8
R20
4.7K
R273
100R
C829
100nF
CT15
NM
J1
1
2
3
4
5
RT12
1K
R130
0R
C827
100pF 50V
LT3
470nH
RT15
NC/200R
J2
1
2
3
4
5
L35
NC/220nH 120mA
5%
RT7
4K7
CT7
NM
C832
2.7nF
C817
47nF
C826
NC/150pF 50V
LT5
470nH
R62
0R
RT6
4K7
C831
220nF
TR6
4.7K
R274
100R
C835
220nF
CT8
1uF
C833
100nF
C151
4.7nF
C815
22pF
C837
NC/47nF
C823
27pF NPO
CT14
NM
TP18
1
C836
1uF
C834
100nF
D102
NC
CT19
100nF
C828
100nF
R19
4.7K
U16
TDA18274_HLQFN48_ES1
RFVCC
1
GPIO2
3
GNDRF1
4
RFin
5
GNDRF2
6
LTO(214)
7
STO
8
CAPSmooth
9
NC
10
GPO_RFAGC_Sens
2
GNDDIG
11
AS_Scanin1
12
XtallnSel_Scanin2
13
SCL
14
SDA_AsyncDisable
15
GNDSYNTH
20
GNDDIG
16
XTAL
17
XTALn
18
CapRegVco
19
Vt
21
CP
22
VCCSynth
23
XTout
1
24
XTout2
25
IF
28
ScanOut1
26
IFN
27
GNDIF1
29
VCCIF
30
VIFAGC
31
IRQ_Scanout2
32
Vsync_ScanClock
33
GNDRF12
34
GNDRF11
35
GNDRF10
36
GNDRF9
37
GNDRF8
38
GNDRF7
39
GNDRF6
40
VCCRFFilter
41
GNDRF5
42
GNDRF4
43
GNDRF3
44
GNDRF2
45
GNDRF1
46
CAPRFAGC
48
GNDRF0
47
EP
49
C825
120pF 50V
TR20
0/NC
NC/10uF
CT18
C839
120pF 50V
C822
27pF NPO
C167
NC
RT11 10K
C818
47nF
C830
6.8nF
D103
NC
C842
NC/0.1uF
CT10
20pF/NC
R30
4.7K
1
2
3
4
5
6
7
8
10
12
GND
RF1
GND
GND
RF2
GND
GND
RFC
GND
VDD
C1
C2
11
9
13
U13
PE42750DS
C816
22pF
LT7
0R
C152
NC/47nF
C824
120pF 50V
C819
47nF
CT13
1uF
R131
NC/100R
RT10
NC/1K
CON5
RCA1_6
3
1
4
5
6
2
7
16
17
18
19
Summary of Contents for 8R16B
Page 13: ... 13 Block Diagram ...
Page 29: ... 35 Main PCB Top 1 8R16B 5800 A8R16B 0P00 Main PCB Top ...
Page 30: ... 36 Main PCB Bot 1 8R16B 5800 A8R16B 0P00 Main PCB Bot ...
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