Alpine 7390M - Introduction; Unit Overview and Purpose; Troubleshooting Guide; Initial Turn-On & Basic Operation Issues

INTRODUCTION
IN
CASE
OF
DIFFICULTY
IN
CASE
OF
DIFFICULTY.
The
Alpine
7390M
is
a
state-of-the-art
compact
disc
changer
controller,
cassette
deck,
and
FM/MW/LW
digital
PLL
synthesized
tuner
combined
in
one
DIN-size
unit.
It
incorporates
our
most
advanced
full
logic
tape
deck
(the
GR
mechanism)
and
built-in
controls
which
allow
direct
interface
with
Alpine’s
new
compact
disc
changer,
the
5952.
To
complete
the
package,
we
add
the
T-10
II
tuner
which
provides
ultra-wide
frequency
response,
excellent
signal-to-noise
characteristics,
and
exceptionally
stable
reception.
The
7390M
was
designed
for
in-dash
installation
in
vehicles
with
12-volt
negative
ground
electrical
systems.
Please
read
this
manual
thoroughly
to
familiarize
yourself
with
each
control
and
function.
We,
at
Alpine,
hope
you
receive
many
years
of
enjoyment
from
your
new
7390M.
-
if
you
encounter
a
problem,
please
review
the
items
in
the
following
checklist.
This
guide
will
help
you
isolate
the
probiem
if
it
is
really
the
head
unit
at
fault.
Otherwise,
make
sure
the
rest
of
your
system
is
properly
connected.
INITIAL TURN-ON
No Function or
Display
Functions OK
but no Sound
CD not
functioning
Car's ignition is off.
Power Switch off.
Improper Connection of power
leads.
Blown Fuse.
Volume /evel too low.
Processors or Amplifiers not
turning on.
Out of operating temperature
range 50°C (120°F) for CD.
Moisture condensation in the
CD Module.
If connected per instructions,
the unit will not operate with
the car's ignition off.
With the car’s ignition on, turn
the Volume Control clockwise
to turn power on.
Check connections of the
power leads.
Check the fuses on the Ignition
and Battery leads; replace with
the proper value if necessary.
Turn Volume Control clockwise
to desired level.
Make sure Remote-on Lead is
connected properly; make sure
processors and amplifiers are
properly wired.
Allow the temperature of the
car's interior (or trunk) to cool.
Allow the enough time for the
condensation to evaporate
(about 1 hour).
RADIO MODE
Unable to receive
stations
Unable to tune
stations in the
Seek mode
Broadcast is
noisy
No Antenna or open
connection in cable.
You are in a weak signal area.
If the area you are in is not
known to be a weak signal
area, the antenna may not be
grounded and connected
properly.
The antenna may not be the
proper length.
The antenna is not the proper
length.
The antenna is poorly
grounded.
Make sure the antenna ts
properly connected; replac
antenna or cable if necess
Make sure the tuner is in
DX mode.
Check your antenna
connections; make sure t!
antenna is properly grou
its mounting location.
Make sure the antenna is
extended: if broken replac
antenna with new one.
Extend the antenna fully;
replace it (f it is broken.
Make sure the antenna is
grounded properly at its
mounting location.