Jensen VM9114 - Manual (Page 38)

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VM9114
TROUBLESHOOTING
Table 6: Troubleshooting
Problem Cause Corrective Action
GENERAL
Unit will not
power on Radio Fuse blown Install new fuse with correct rating
Car battery fuse blown Install new fuse with correct rating
Illegal operation Press the RESET button located in the
bottom right corner of the front panel
No/low audio
output Improper audio output
connection Check wiring and correct
Volume set too low Increase volume level
Improper “MUTE” connec-
tion Review wiring diagram and check
“MUTE” connection
Speakers damaged Replace speakers
Heavily biased volume
balance Adjust the channel balance to the cen-
ter position
Speaker wiring is in con-
tact with metal part of car Insulate all speaker wiring connections
Poor sound
quality or dis-
tortion Pirated disc is in use Use original copy
Speaker power rating not
compatible with unit Connect proper speakers
Speaker is shorted Check speaker contact
Unit resets
itself when
engine is off Incorrect connection
between ACC and posi-
tive battery wire Check wiring and correct
TFT MONITOR
Monitor does
not open auto-
matically TFT Auto Open is turned
off Turn TFT Auto Open on
No image Incorrect connection to
parking brake wire Check wiring and correct
Parking brake is not
engaged Stop vehicle in safe place and apply
parking brake
Flashing
image or inter-
ference
appears on
screen DVD is not compatible
with current TV system
settings Change setup to accommodate disc
Improper video signal
connections Check wiring and correct