
Disc does not play
back
Incompatible disc is used
Use disc in good condition
Clean disc with soft cloth
Use compatible disc
Problem
Cause
Corrective Action
GENERAL
Unit will not power on
Radio Fuse blown
Car battery fuse blown
Illegal operation
Press the RESET button located in the
bottom right corner of the front panel
Install new fuse with correct rating
Install new fuse with correct rating
No/low audio output
Improper audio output
connection
Volume set too low
Improper “MUTE” connection
Speakers damaged
Heavily biased volume balance
Speaker wiring is in contact
with metal part of car
Use original copy
Connect proper speakers
Check speaker connections
Check wiring and correct
Increase volume level
Review wiring diagram and check
“MUTE” connection
Replace speakers
Adjust the channel balance to the center
position
Insulate all speaker wiring connections
Poor sound quality
or distortion
Unauthorized disc is in use
Speaker power rating not
compatible with unit
Speaker is shorted
Tel-Mute malfunction
“MUTE” wire is grounded
Check that “MUTE” connection is not
grounded and that it’s properly insulated
Unit resets itself
when engine is off
Incorrect connection between
yellow memory wire and
positive battery wire
Check wiring and correct
TFT MONITOR
Monitor does not
open automatically
TFT Auto Open is turned off
Turn TFT Auto Open on
No image
Incorrect connection to
parking brake wire
PARKING is activated and
parking brake is not engaged
Check wiring and correct
Stop vehicle in safe place and apply
parking brake
Prolonged image or
improper height/width
ratio display
Improper aspect ratio setup
Use correct aspect ratio setting
Monitor stops at
incorrect position
Moving path is blocked
Press OPEN key to restart monitor
movement
TUNER
Weak station
searching
Auto antenna is not fully
extended
Auto antenna not properly
connected
LOCAL function is activated
Connect the auto antenna control cable
properly
Connect the auto antenna control cable
properly
Turn LOCAL function off
DISC
Cannot insert disc
Disc already inside unit
Eject current disc and insert new one
Disc is warped or scratched
Disc is dirty or wet
Disc rating exceeds Parental
Lock rating limit
Change Parental Lock settings to lower
restriction
Troubleshooting
26
25
CD/MP3/WMA/JPEG Operation
JPEG Discs
1.Stop playback and return to the picture list
2.Rotate picture clockwise 90°
3.Rotate picture anticlockwise 90°
1
2
3
Summary of Contents for DV720
Page 1: ...OWNER S MANUAL...
Page 2: ......