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1
A
Pin No.
Pin Name
bsen
75
76,77
NC
78
RDT
79
RCK
80
RCS
81-83
NC
84
XMPW
85
ANTPW
86-90
NC
91
SAT_ANT
92
TER_ANT
B
93-95
NC
96
AVSS
97
NC
98
VREFA
99
AVDD
100
XMDT
*PD5818A
80
C
81
100
D
1
*S-812C25AMC-C2F
5
E
Reference
Voltage
1
F
56
1
2
I/O
Function and Operation
I
Back up sense input
Not used
O
External ROM data output
O
External ROM clock output
O
External ROM chip select output
Not used
O
Power supply control output (XM TUNER Source ON)
O
Not used
Not used
I
Satellite antenna detect input
I
TERRESTRIAL antenna detect input
Not used
Analog GND
Not used
A/D converter power supply
Analog power supply
I
RF Unit data input
51
50
31
30
4
2
3
GEX-M7027XMZH/XN/UC
2
3
IC's marked by * are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
*S-816A25AMC-BAA
VOUT
5
Over Current
Protector
Sink
Error
AMP
AMP
1
2
EXT
VSS
*S-812C33AUA-C2N
Reference
Voltage
1
2
3
4
VIN
4
Vref
3
ON/off
3
4
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