Nextar MM1007 User Manual download pdf (Page 35)

ITEM# MM1007

TROUBLESHOOTING

34

Symptom

Cause

Remedy

Power does not

turn on.(No

so

und is

produced.)

Fuse is blown

Replace with fuse of the same

amperage. If the fuse blows again,

co

nsult 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

exc

essive 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

us

ing 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,

us

e 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

sec

onds.

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

cl

oth

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.

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