Panasonic CY-V7100U - Manual (Page 40)

Troubleshooting
If You Suspect Something Wrong
Check and take steps as described below.
If the described suggestions do not solve the problem, it is rec­
ommended to take the unit to your nearest authorized Panasonic
Servicenter. The product should be serviced only by qualified
personnel.
Common
Cautions:
* Do not use tbe unit m au oreguDr concPéon.
iof exampie, withoul Sound, or witii srnoke or
foui smeii Vvtuch cm cause ignirion or eiectriç
shock. immediately sîop using îlie urul ar-d
cal< ihe store where you purchased il.
« f#ver trv to ropan the unit by yourself due lo
to esectncai saiety equipinerît.
Problem
No power to the unit
Noise
Picture
is not clear
Noise is made in step
with engine revolutions
Some operations are
not executable
No sound from
iR wireless
headphones
Distorted and/or iow-
voiume sound from IR
wireless headphones,
Noise
No sound from
wired headphones
C Possible cause »> Possible solution
The power cord (ACC and ground) is connected in the wrong way.
»♦Check the wiring.
Fuse blowout
»♦Eliminate the cause of fuse blowout and replace the fuse with new one.
Consult your dealer.
There is an electromagnetic-wave generator such as a cellular phone near the
unit or its electrical lines.
«♦Keep an electromagnetic-wave generator such as a cellular phone away
from the unit and the wiring of the unit. In case that noise cannot be
eliminated due to the wiring harness of the car, consult your dealer.
The contact of the ground lead is poor.
«♦Make sure that the ground lead is connected to an unpainted part of the
chassis securely.
Alternator noise comes from the car.
«♦Change the wiring position of the ground lead.
# Mount a noise filter on the power supply.
Some operations are not executable in particular modes such as menu mode.
«♦Read the operating instructions carefully and cancel the mode. In case
the unit is still out of order, consult your dealer.
Battery has run down.
»♦Replace the battery.
The volume is adjusted to zero.
«♦Raise the volume.
Two or more infrared-sensed AV devices are in use.
# You should set the infrared function to OFF for all devices except one.
There is an obstacle between the monitor and the headphones.
«♦Remove the obstacle and sit right in front of the monitor.
The headphone plug is not sufficiently inserted into the headphone jack.
«♦ Insert the plug into the jack properly.
The volume is adjusted to zero.
»♦Raise the volume.
40
CY-V7100U