RX-V3000/RX-V3000RDS
RX-V3000
RX-V3000RDS
39
IC503 : PM4007A (DSP P.C.B.)
AC-3 RF Demodulator
No.
Name
I/O
Function
81
AVDD
+5V power supply for analog comparator
82
CPIN
I
Analog comparator input, positive side (Non-reverse side: QPSK input)
83
CMIN
I
Analog comparator input, negative side (reverse side)
84
AGND
Ground terminal for analog comparator (0V)
85
TM4
I
IC test terminal, normally connected to GND (or unconnected)
86
VDD
+5V power supply
87
DIN
I
IC test terminal, normally connected to GND (or unconnected)
88
DOUT
O
Analog comparator result output
89
DOUTB
O
Analog comparator result reverse output
90
C9M
O
9.216MHz output, output divided into 2 at VIN (No.55 pin)
91
GND
Ground terminal (0V)
92
WINGT
O
Output for IC test
93
SYST0
O
Output for IC test
94
SYST1
O
Output for IC test
95
ADST0
O
Output for IC test
96
ADST1
O
Output for IC test
97
TM5
I
IC test terminal, normally connected to GND (or unconnected)
98
BUNRI
I
IC test terminal, normally connected to GND (or unconnected)
99
AGND
Ground terminal (0V) for 46.08MHz oscillator
100
AVDD
+5V power supply for 46.08MHz oscillator