5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
OVERLOAD
RXADC_IN
IIC-DA
ANT_PWR
IF_AGC_OUT
OVERLOAD
IIC-SCK
ANT_PWR
IIC-DA
IIC-SCK
RXADC_IN
RXADC_IP
RF_AGC_OUT
XRXADC_QP
XRXADC_QN
RXADC_IP
XRXADC_QP
XRXADC_QN
RFAGCRF_AGC_OUT IF_AGC_OUT BBAGCIF_AGC
RFAGC
BBAGC
RF_AGC
5VA
RF_3V3
RF_3V3
RF_3V3
RF_3V3
RF_3V3
RF_3V3
RF_3V3
VDD33VDD33
5VA
RF_3V3
IF_AGC_OUT
RXADC_IN
RXADC_IP
OVERLOAD
IIC-DA
IIC-SCK
ANT5V_ON_OFF
RF_AGC_OUT
XRXADC_QP
XRXADC_QN
Title
Size Document Number R ev
Date: Sheet
of
Designed by:
Checked by:
Approved by:
SHENZHEN GIEC ELECTRONICS CO., LTD
TUNER 1.0
DVB-MPEG-12
B
66Sunday, January 04, 2009
Normal play-->HIgh
Stand by
mode-->Low
RF AGC IF AGC
Si2307DS
+
EC1
100uF/16V
C54
10nF
C33
1nF
R24 510R
C10 47pF
C35
100nF
R1
1K
R9
100R
Y1
20MHz/18pF
C1 100nF
C25
100nF
R25 510R
R12
3.3K
R6
220R
R10
100R
FB1
FB0603/600R
R21
2K
C7
47pF
C19
NM
C20
100nF
R16
10R
C2 1nF
C44
1nF
Q2
AO3401
R27 510R
R22
15R
U2
AZ1117-3.3V
IN
3
ADJ
1
OUT
2
C4
10nF
R3
2.7K
C16
1nF
R37
10K
C48
33pF
R43 10K
C18
NM
C21
1nF
L4
NM
R17
12R
S1
RF_SHIELD
R7
10K
C40 100nF
R20
10K
C5
100nF
R28 510R
Q6
MMBT3904
1
2 3
R23
15R
J2
IF-04P
1
2
3
4
R4
2.7K
C17
100nF
C49
33pF
L6
68nH/HQ
C32
1nF
R19
33R
C52
100nF
C6
10nF
C28 47nFR18
12R
C3
100nF
C42 100nF
R29 510R
R26
1K
C24
1nF
R8
220R
L1
470nH
C50
33pF
J1
IF-04S
1
2
3
4
R2
1K
C8
330pF
R45
10K
D2
BAR 63-03W
C43 100nF
L5 390nH C36
10nF
R30 510R
Q5
MMBT3904
1
2 3
R14
470R
+
EC2
220uF/16V
R5
10K
R39 2.7K
C51
33pF
C47
1nF
C41
10nF
C9
330pF
C22
1nF
C45 100nF
C37
100nF
R31 510R
C30
1nF
R42 1K
C11 100nF
C46
100nF
R40
33K
R13
270R
C27
33pF
R36
10K
R34 10R/0805
C38
2.2nF
Q3
MMBT3906
1
23
R32 510R
D1
BAV99
R11
22R
R33
NM
C12 1nF
D3
BAV99
U1
MAX3580
SDA
1
SCL
2
RFIN2
3
RFIN1
4
ADDR2
5
GND_LNA
6
VCC_RF
7
LEXT
8
RF_AGC
9
IND1
10
IND2
11
NC
12
OVLD_DEC
13
VCC_BB
14
QN
15
QP
16
IN
17
IP
18
BB_AGC
19
VCC_VC0
20
VTUNE
21
GND_TUNE
22
LDO
23
CP
24
GND_CP
25
VCC_SYN
26
GND_PLL
27
MUX
28
REF_BUFF
29
VCC_XTAL
30
XB
31
XE
32
L2
NM
C26
1nF
C13
47pF
C23
10nF
C34
1nF
C31
1nF
C29
1nF
R38 10K
Q1
BFG425
2
41
3
R15 10R
C39
2.2nF
L3
1.2uH/HQ
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