Audiovox VM9314 Operating Instructions - Page 75

Troubleshooting - review

Page 75 highlights

VM9314 TROUBLESHOOTING Table 13: Troubleshooting Problem Cause Corrective Action GENERAL Unit will not power on Radio Fuse blown Car battery fuse blown Install new fuse with correct rating Install new fuse with correct rating Remote control does not function Nollowaudio output Poor sound quality or distortion Unit resets itself when engine is off Illegal operation Press the RESET button located in the bottom right corner of the front panel Battery depleted Replace battery with new one Battery installed incorrectly Remove battery and install correctly Improper audio output connection Check wiring and correct Volume set too low Increase volume level Improper "MUTE" connec- Review wiring diagram and check tion "MUTE" connection Speakers damaged Replace speakers HeaVily biased volume balance Adjust the channel balance to the center position Speaker wirin~ is in con- Insulate all speaker wiring connections tact with meta part of car Pirated disc is in use Use original copy Speaker power rating not Connect proper speakers compatible with unit Speaker is shorted Check speaker contact Incorrect connection between ACC and positive battery wire Check wiring and correct TFT MONITOR Monitor does TFT Auto Open is turned not open auto- off matically No image Incorrect connection to parking brake wire Parking brake is not engaged Flashing image or inter- ference appears on screen DVD is not compatible with current TV system settings Improper video signal connections Turn TFT Auto Open on Check wiring and correct stop vehicle in safe place and apply parking brake Change setup to accommodate disc Check wiring and correct 72

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95

TROUBLESHOOTING
Table
13:
Troubleshooting
VM9314
Problem
Cause
Corrective Action
GENERAL
Unit
will
not
Radio
Fuse
blown
Install
new
fuse
with
correct
rating
power
on
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
Remote
con-
Battery depleted
Replace
battery
with
new
one
trol
does
not
Battery installed
incor-
Remove
battery
and
install
correctly
function
rectly
Nollowaudio
Improper
audio
output
Check
wiring
and
correct
output
connection
Volume
set too
low
Increase
volume
level
Improper
"MUTE"
connec-
Review
wiring
diagram
and
check
tion
"MUTE"
connection
Speakers
damaged
Replace
speakers
HeaVily
biased
volume
Adjust
the
channel
balance
to
the
cen-
balance
ter position
Speaker
wirin~
is
in
con-
Insulate
all
speaker
wiring
connections
tact with
meta
part
of
car
Poor
sound
Pirated
disc
is
in
use
Use
original
copy
quality
or
dis-
Speaker
power
rating
not
Con
nect
proper
speakers
tortion
compatible
with
unit
Speaker
is
shorted
Check
speaker
contact
Unit
resets
Incorrect
connection
Check
wiring
and
correct
itself
when
between
ACC
and
posi-
engine
is
off
tive battery wire
TFT
MONITOR
Monitor
does
TFT
Auto
Open
is
turned
Turn
TFT
Auto
Open
on
not
open
auto-
off
matically
No
image
Incorrect
connection
to
Check
wiring
and
correct
parking
brake
wire
Parking
brake
is
not
stop vehicle
in
safe
place
and
apply
engaged
parking
brake
Flashing
DVD
is not
compatible
Change
setup
to
accommodate
disc
image
or
inter-
with
current
TV
system
ference
settings
appears
on
Improper video
signal
Check
wiring
and
correct
screen
connections
72