Strong SRT8500 Service Manual page 29

6
Half NIM Tuner
TUNER2
VA4M1EX2124
ANTENNA_POWER AVDD1.8V AVDD3V
1
ANT_POWER
D
2
B1(1.8V)
3
B2(3.3V)
4 R744
SDA
5 R745
SCL
6
XOUT
C744 C745
33P 33P
7
IF_AGC
8
IF1+
9
IF1-
[8]
[8]
[8]
C
H/W Strap
H/W Strap x4bits
I2C slave address:
GPIO_0=0, I2C slave address=0xD2 (Default)
GPIO_0=1, I2C slave address=0xF2
Boot Source:
GPIO_3=0, Boot from SPI Flash (Default)
GPIO_3=1, Load code with SPIF interface
B
SPIF ID:
GPIO_11,TS_ERR=00, ID=00 (Default)
GPIO_11,TS_ERR=01, ID=01
GPIO_11,TS_ERR=10, ID=10
GPIO_11,TS_ERR=11, ID=11
3V3FE
C704 104
[8] R707 NC(10K)
GPIO_0
[8] R708 NC(10K) C705 104
GPIO_3
R709 NC(10K)
[8]
TS_ERR
[8] R710 10K
SPI_WPN
GPIO_11
CRYSTAL
R718 100R [8]
XTAL_OUT
R719 1M
[8]
XTAL_IN
Y701 24MHz
CRYSTAL SPEC:
C711 C712
24MHZ
33P 33P
CL=20PF
RR<30R
20PPM
A
VCC3_3V_PD 3V3FE
L702
3.3V 50mA
FB/120R/600mA
0603
C721 C722 C723 C724 C725
CE702
100uf/10v 104 104 104 104 104
5
100R
[8]
SDA_T
100R
[8]
SCL_T
VCC3_3V_PD
AVDD3V
L751 22uH
0805
C752
CE751
104
470uf/10v
IFAGC
IP_Q
IM_Q
[8]
SPI_WPN
33
FE_AVDD_SAR AVDD_SAR
34
SAR_RSSI TS_ERR
35
VSS(AVSS_SAR) TS_CLK
R705 2K
36
FE_AVDD33_ADC AVDD33_ADC TS_D[7]
37
QM TS_D[6]
R706 2K
38
QP TS_D[5]
[8] 39
IM
IM TS_D[4]
[8] 40
IP IP U701
41
VSS(AVSS_ADC)
FE_AVDD25_ADC 42
MSB1230
AVDD25_ADC VDD33
FE_AVDD_MPLL 43
AVDD_MPLL TS_D[3]
[8] 44
XTAL_OUT XTAL_OUT TS_D[2]
[8]
45
XTAL_IN XTAL_IN TS_D[1]
46
VSS(AVSS_MPLL) TS_D[0]
47
FE_AVDD_APLL_TS_SDR AVDD_APLL_TS/SDR TS_VLD
48
VSS(AVSS_APLL_TS/SDR) TS_SYNC
VDDC1V2 1_2V_D VCC2_5V
1.2V 250mA
L703
FB/120R/600mA
0603
C726 CE703 C727 C728 C729 C730 C731
100uf/10v
104 104 104 104 104 104
4
R725 10K
3V3FE
[3]
FE_RST
C703
104
R731 10K
16
VSS
15 R732 100R [8]
TS_ERR
14 R733 100R [3]
TS_CLK
13
12
11
10
9
1_2V_D
VDD
8
VSS
7
3V3FE
6
5
4
R741 33R [3]
3
TS_D0
R742 100R [3]
2
TS_VAL
R743 100R
1 [3]
TS_SYNC
R721 100R [3]
[8]
SDA_DEMOD
IIC-SDA
[8] R722 100R [3]
SCL_DEMOD
IIC-SCL
C738 C739
33P 33P
FE_AVDD25_ADC 3V3FE FE_AVDD_SAR 3V3FE FE_AVDD33_ADC
L704 L705 L706
FB/120R/600mA FB/60R/300mA FB/60R/300mA
0603 0603 0603
C735
CE704 C732 C733 C734
100uf/10v 104 104
104 104
3 2
HISTORY OF MODIFICATIONS
REV.
1
2
ANTENNA_POWER
VCC5V_PD
Q751
8550
C
ANTENNA_POWER
R758 C751 C753
10K 104 10uF
0805
BPF Reserved
I2C
[8]
IP
3V3FE
R714 R715 [8]
IM
4K7 4K7
C706 C707
[8]
SDA_T
NC
[8]
SCL_T
2.5V for DEMOD
AGC
VCC2_5V
U100
VCC5V_PD
SA1117BH-2.5TR
4
L710
OUT
IF-AGC
3 2
IN OUT
FB/60R/300mA
ADJ/GND
0603
C113 C114 C115
104 1 104 10uF
0805
DESCRIPTION
DOC.NO.:
SCH P/N:
PCB P/N:
3V3FE FE_AVDD_MPLL 3V3FE FE_AVDD_APLL_TS_SDR
THIS DOCUMENT IS THE PROPERTY OF Shenzhen
L707 L708
Jiuzhou Electric CO.,LD. THE CONTENTS OF THIS
FB/60R/300mA FB/60R/300mA DOCUMENT ARECONFIDENTIAL AND CONTSTITUTE
0603 0603
TRADE SECERTSPROPRIETARY TO Shenzhen Jiuzhou
C736
C737
Electric CO.,LD.
104 104
NEITHER THIS DOCUMENT NOR ITS CONTENTS SHALL
BE DISCLOSED TO ANY UNAUTHORIZED PERSON.
COPIED OR PUBLISHED WITHOUT Shenzhen Jiuzhou
Electric CO.,LD.'S PRIOR WRITTEN
COPYRIGHT C 2011 Shenzhen Jiuzhou Electric CO.,LD
1
CHECK.BY APP.BY DATE
R751
R755
1R5
E 100K
0805
B
R752 1K Q752
3906
E
C
B
VCC3_3V_PD
R753 R754
10K 1K
R757
Q753 10K
3904
R756
[3]
ANT_PWR_CTRL
1K
E
R759
[3]
ANT_OVERLOAD
10K
R712 22R R726 0R [8]
IP_Q
L709
C741
NC(1.8uH)
NC
0603
R713 22R R727 0R
[8]
IM_Q
C708 C709
NC NC
NC
3V3FE
R716
1K
R717 10K R728 100R
[8] [8]
IFAGC
C710 C742
22nF 104
Close to Demod Close to tuner
Shenzhen Jiuzhou Electric CO.,LD
TUNER & DEMOD
MODEL NO.:
PROJECT CODE:
DOC. REV.: V1.1
SIGN
DESIGNED BY: Xuewei 2011-12-19
DATE
SIGN
DRAWN BY:
DATE
SIGN
CHECKED BY:
DATE
SIGN
APPROVED BY:
DATE
CONSENT.
SIZE: A2 SHEET: 8 OF 11
D
C
B
A