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Onkyo TX-DS747

Onkyo TX-DS747
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TERMINAL
DESCRIPTIONS
Terminal
Description
NC
VSS
Ground
terminal
‘TIME,
Not
used.
NC
DMUT
Muting
output
terminal
_for
digital
section
VSS
Ground
terminal
DARSTB
Output
terminal
to
connect
to
the
terminal
RSTB
of
D/A
converter
PCM1718E.
NC
AC-3LED
“AC-3"
indicator
control
output
terminal
RF
CHG
Initializing
input
NC
DPD
Digital
power
down
control
output
terminal
RFRST
Reset
output
terminal
for
AC-3
RF
demodulator.
RESRT
System
reset
input
terminal
RFSYNC
Synchronizing
detection
input
pin
for
AC-3
RF
demodulator
ERROR
Input
terminal
to
connect
to
terminal
ERROR
of
DIR
IC
LC8904Q.
GPI00
Input
terminal
to
connect
to
terminal
GPIO0
of
DST
IC.
Input
terminal
to
connect
to
the
terminal
LOCK
of
clock
generation
IC
TC9246F.
Power
supply
(5V)
Crystal
resonator
connection
terminals
for
main
system.
Connect
the
ceramic
resonator
10MHz.
Internal
connection
terminal
Sub
system
clock
connection
terminals.
Not
used.
AVSS.
Ground
terminal
for
A/D
converter
XMODE
Qutput
terminal
to
connect
to
the
terminal
XMODE
of
DIR
IC
LC8904Q.
DIRCE
Chip
enable output
terminal
to
connect
to
the
terminal
CE
of
DIR
IC
LC8904Q.
HREQI
Input
terminal
to
connect_to
the
terminal
HREQ
of
DSP
IC
DSP56009.
SS1
Input
terminal
to
connect_to
the
terminal
SS
of
DSP
IC
DSP56009.
DSPRST1
Input
terminal
to
connect
_to
the
terminal
RESET
of
DSP
IC
DSP56009.
HREQ2
Input
terminal
to
connect_to
the
terminal
HREQ
of
DSP
IC
DSP56004.
SS2
Input
terminal
to
connect
_to
the
terminal
SS
of
DSP
IC
DSP56004.
DSPRST2
Input
terminal
to
connect_to
the
terminal
RESET
of
DSP
IC
DSP56004.
AVDD
Power
supply
circuit
for
analog
section
AVREF
Reference
voltage
input
terminal
for
A/D
converter
DSPSI
Input
terminal
to
connect
_to
the
terminal
MOSI
of
DSP
IC
DSP56009.
DSPSO
Data
output
terminal.
Connect
to
the
terminal
MOSI
of
DSP
ICs
and
the
terminal
DI
OF
DIR
IC.
DSPSCK
Clock
output
terminal.
Connect
to
the
terminal
SCK
of
DSP
ICs
and
the
terminal
CL
OF
DIR
IC.
SRDT
Input
terminal
to
connect
to
the
terminal
SRDT
of
DIR
IC.
BUSY
Busy
signal
output
terminal
to
main
microprocessor.
SI
Data
input
terminal
from
main
microprocessor.
SO
Data
output
terminal
to
main
microprocessor.
Clock
input
terminal
for
main
microprocessor

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