Nextar MM1007 - Manual (Page 35)

ITEM# MM1007
TROUBLESHOOTING
34
Symptom Cause Remedy
Power does not
turn on.(No
sound is
produced.)
Fuse is blown
Replace with fuse of the same
amperage. If the fuse blows again,
consult an authorized reseller or
dealer.
No sound output
when operating
the unit with
amplifiers or
power antenna
attached. Power antennal lead
is shorted to ground or
excessive current is
required for remote on
the amplifiers or
power antenna.
1. Turn off the unit.
2. Remove all wires attached to the
power antenna lead. Check each
wire for a possible short to ground
using an ohm meter.
1. Turn on the unit.
2. Reconnect each amplifier remote
wire to the power antenna lead
one by one. If the amplifiers turn
off before all wires are attached,
use an external replay to provide
remote-on voltage(excessive
current required).
The microprocessor
has malfunctioned
due to noise, etc.
Turn off the power, Then press the
open button and remove the DCP.
Press the reset button for about 2
seconds.
Nothing happens
when buttons are
pressed.
Display is not
Accurate
Panel or main unit
Connectors
are dirty Wipe the dirt off with a soft cloth
moistened with cleaning alcohol.
Compact disc is dirty Carefully clean the CD with a soft
cloth Sound is bad
directly after
power is turned
on.
Compact disc is
heavily scratched or
warped Try another CD without scratches
Sound is bad
directly after
power is turned
on. Water droplets may
form on the internal
lens when the car is
parked in a humid
place Let it dry for about 1 hour with the
power on.