IC 1
AT-119
IC 3
MAX2644EXT
3
3
IC 6
MAX2644EXT
6
3
IC 19
SW-475
1
5
IC 2
AT-119
IC 4
MAX2644EXT
3
3
IC 5
MAX2644EXT
6
3
12
5
4
4
IC 7
AD8314ARM
7
IC 14
S-81225SG-QH
3
3
RF AGC DETECTOR
KEYED AGC CIRCUIT
F2
7
IC 9
MAX2682EUT
3
4
1
F15
5
IC 17
AD61009ARS
14
6
F1
IC 8
MAX2682EUT
3
4
F16
5
IC 18
AD61009ARS
14
6
F10
IC 12
RF2325
3
5
1st IF (TER)
1st IF (SAT)
2nd MIX AND AGC AMP
2nd MIX AND AGC AMP
IC 11
RF2326
5
3
1
IC 13
SI4136-BT
11
IC 20
AD8061ART
IC 21
TC7W14FK
13
1
23.920MHZ
3
SYS_CLK
1
15
2
3
17
9
8
2
3
16
9
17
9
8
ANTENNA
SELECT CIRCUIT
2.5GHz AND IF PLL
4
4
22
TER_IF2
SAT_IF2
5
CTL
12
SAT_AGC
12
TER_AGC
TERRESTRIAL BRANCH
SATELLITE BRANCH
Q2
Q3
CN1
CN2
SAT_IN
TER_IN
1
1
RF MODULE
11
15
22
3
7
6
CN3
IC 202
STA-400
5
8
DSP MODULE
2
CN201
CDEC
IC 208
STA-450
SSDEC
IC 212
AD8131ARM
1
20
IF2SA_N
IF2TA_N
15
IC 203
K4S640832E-TL1H
IC 205
K4S640832E-TL1H
SDRAM
83
34
PCSD1
PCSD
6
5
30
SAGC
TAGC
29
SAT_IF
TER_IF
SAT_AGC
TER_AGC
IC 206
TC7SH86FU
MOBILE
ADAPTER CIRCUIT
IC 207
ST19AF08BR20QMAA
30
XTI/MCLK
33
SYS_CLK
IC 211
PCM1716E-3
2
73
SDO
16
AUDIO_L
27
DAC
CN503
CN502
12
16
21
4
8
5
2
1
6
5
29
28
SYS_CLK
TER_IF2
SAT_IF2
CTL
SAT_AGC
TER_AGC
SAT_IF2
TER_IF2
SAT_AGC
TER_AGC
SYS_CLK
CN801
Q801
Q802
8.1V
Q811
Q810
5.2V
Q814
Q815
3.3V
3
2
1
SYSPW
51
ACCPW
40
LCH
BUP
BUP
BUP
BUP
BUP
ACC
ACC
GND
75
BSENS
73
ASENSFM
Q803
ACC
BUP
IC 806
S-80827ANUP-EDQ
12
RESET
1
3.3V
2
S601
RESET
L801
1.4mH
IC 404
NJM4558MD
2
1
IC 451
NJM2904
1
Q451
7
EF
ANT5V
3.3V(RF)
26
28
30
25
27
29
3.3V(R
VCC
VCC_2
26
28
25
27
3.3V(DSP)
VCC3.3V
20
22
19
21
2.5V(DSP)
VCC2.5V
24
23
13
15
XOUT
XIN
X601
10.00MHz
MAIN UNIT
BATT.
GND
FUSE 2A
ACC
5V REGULATOR
8V REGULATOR
3V REGULATOR
VCC_2
X1
29
30
DAC5V
AUDIO5V
A
B
C
9
11
10
12
13
15
14
16
6
4
2
1
4
IF2TA_P
14
6
GEX-FM903XM
1
2
3
4
1
2
3
4
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
Содержание GEX-FM903XM
Страница 11: ...11 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A A CN502 B b B ...
Страница 12: ...12 GEX FM903XM 1 2 3 4 1 2 3 4 D C B A B RF MODULE B a B a B b 1 2 ...
Страница 13: ...13 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A B a B a B b 4 3 ...
Страница 14: ...1 2 14 GEX FM903XM 1 2 3 4 1 2 3 4 D C B A B a B b B b ...
Страница 15: ...4 3 15 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A A CN502 B b B a B b ...
Страница 16: ...16 GEX FM903XM 1 2 3 4 1 2 3 4 D C B A 3 4 DSP MODULE GUIDE PAGE CDEC S A CN503 C DSP MODULE C C a ...
Страница 17: ...17 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A SSDEC DAC SDRAM CAP ST19AF08BR20QMAA C b C ...
Страница 18: ...18 GEX FM903XM 1 2 3 4 1 2 3 4 D C B A S C DSP MODULE C a C a C b 1 2 3 ...
Страница 19: ...19 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A CDEC A CN503 C a 4 C a C b ...
Страница 20: ...1 2 3 20 GEX FM903XM 1 2 3 4 1 2 3 4 D C B A DAC SDRAM CAP ST19AF08BR20QMAA C a C b C b ...
Страница 21: ...4 21 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A SSDEC ST19AF08BR20QMAA C b C a C b ...
Страница 22: ...22 GEX FM903XM 1 2 3 4 1 2 3 4 D C B A 3 5 DISPLAY UNIT D 22 KEY CONTROL AND LCD DRIVER D DISPLAY UNIT ...
Страница 23: ...23 GEX FM903XM 5 6 7 8 5 6 7 8 D C B A D A CN802 ...
Страница 25: ...25 GEX FM903XM ...
Страница 27: ...27 GEX FM903XM IP BUS IP BUS CORD D CN901 E CN501 C CN201 5 6 7 8 A B C D 5 6 7 8 A SIDE A ...
Страница 28: ...28 GEX FM903XM A MAIN UNIT A 1 2 3 4 B C D 1 2 3 4 A ...
Страница 29: ...29 GEX FM903XM 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...
Страница 30: ...30 GEX FM903XM A 1 2 3 4 B C D 1 2 3 4 IC Q B RF MODULE XM ANTENNA 4 2 RF MODULE SIDE A B ...
Страница 31: ...31 GEX FM903XM 1 2 3 4 A B C D 1 2 3 4 IC Q A CN502 B RF MODULE SIDE B B ...
Страница 32: ...IC Q C DSP MODULE 32 GEX FM903XM A 1 2 3 4 B C D 1 2 3 4 C 4 3 DSP MODULE SIDE A ...
Страница 33: ...IC Q A CN503 C DSP MODULE 33 GEX FM903XM 1 2 3 4 A B C D 1 2 3 4 C SIDE B ...
Страница 35: ...35 GEX FM903XM 1 2 3 4 A B C D 1 2 3 4 E ANTENNA A CN501 TUNER E ANTENNA SELECT UNIT 4 5 ANTENNA SELECT UNIT ...
Страница 67: ...67 GEX FM903XM 7 2 2 DISPLAY CAW1666 ...