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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
XD7500 OPERATION
Troubleshooting
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Check connections for proper voltage
(11~16VDC)
Black wire not connected Check connection to ground
Fuse blown Replace fuse
Speaker wires not connected Check connections at speakers
One or more speaker wires touching each
other or touching chassis ground
Insulate all bare speaker wires from
each other and chassis ground
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
Unit is not mounted correctly or backstrap is
not secure
Check mounting sleeve and backstrap
support
Physical defect in media (CD, CD-R or CD-RW) Check media for scratches
Mechanism error Press eject or RESET
Servo error or disc is in upside down Press eject or RESET
Unit will not turn on
(no power)
Unit has power
(but no sound)
Unit blows fuses
Excessive skipping
ER-1 appears on display
ER-2 appears on display
Problem Cause Action