Block Diagram And Schematic Diagram - Pioneer GEX-FM903XM Servise Manual

1
GEX-FM903XM

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

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