VSX-LX50
69
5
6
7
8
5
6
7
8
C
D
F
A
B
E
5.1.4 SIRIUS BLOCK TROUBLESHOOTING (VSX-91TXH/VSX-9120TXH Only)
Connect
an
"SIRIUS
Connect
tuner"to
SIRIUS
Radio
j
ack
Perform
a
reception
test,
using
a
free-of-charge
channel
184,making
this
unit
an
SIRIUS
Radio
input
source.
If
the
audio
output
is
available
with
other
input
sources,Check
the
SIRIUS
L/R
analog
audio
lines
to
E-Vol(IC501).
It
is
likely
that
the
SIRIUS
tuner
is
in
failure.
Check
the
connection
the
"SIRIUS
Connect
tuner"
and
AC
adaptor.
Replace
the
antenna.
Check
the
Reset
Line
for
SIRIUS
tuner.
Yes
Yes
Yes
Operation
OK
No
Yes
If
the
reception
sensitivity
is
not
OK,
relocate
the
antenna
near
a
window.
Check
the
commucination
lines
"SIRIUS
TX","SIRIUS
RX"
between
SIRIUS
Connector(JA1601)
and
XM/SIRIUS
SW
IC(IC252)
and
also
check
between
IC252
and
µ
-com(IC101).
No
No
Play
back
the
audio
signal
and
check
if
a
signal
is
output
from
the
Speaker
out.
No
Yes
Check
the
reception
level,using
the
"signal
strength
indicator"of
the
on
screen
display.
Step
1
:
Connectors