XD7500 OPERATION

Troubleshooting

Problem

Cause

Action

 

Yellow wire not connected or incorrect voltage

Check connections for proper voltage

Unit will not turn on

(no power)

Red wire not connected or incorrect voltage

(11~16VDC)

 

Black wire not connected

Check connection to ground

 

Fuse blown

Replace fuse

Unit has power

Speaker wires not connected

Check connections at speakers

(but no sound)

One or more speaker wires touching each

Insulate all bare speaker wires from

 

other or touching chassis ground

each other and chassis ground

Unit blows fuses

Yellow or red wire touching chassis ground

Check for pinched wire

 

Speaker wires touching chassis ground

Check for pinched wire

 

Incorrect fuse rating

Use fuse with correct rating

Excessive skipping

Unit is not mounted correctly or backstrap is

Check mounting sleeve and backstrap

 

not secure

support

 

Physical defect in media (CD, CD-R or CD-RW)

Check media for scratches

ER-1 appears on display

Mechanism error

Press eject or RESET

ER-2 appears on display

Servo error or disc is in upside down

Press eject or RESET

Namsung America Inc.

21318 64th Ave. South

Kent, WA 98032

Toll Free: 1-866-626-7863

www.dualav.com

©2004 Namsung America, Inc.

EVOK0304-V01