JVC TH-V70 Manuel D'instructions page 76

Troubleshooting
PROBLEM
Sound from one front speaker
only.
No sound from the center and/or
rear speakers.
The system does not work
correctly.
No picture is displayed on the TV
screen.
No picture is displayed on the TV
screen, the picture is blurred, or
the picture is divided into two
parts.
A disc cannot be played.
A disc cannot be played and
"0:00" is displayed on the display
window.
Video and audio are distorted.
The picture does not fit the TV
screen.
No subtitle appears on the TV
screen though you have selected
as your initial subtitle language.
Audio language is different from
the one you have selected as
your initial audio language.
73
POSSIBLE CAUSE
The speaker cord is not connected
correctly.
Left-right balance is not set properly.
The speaker setting is incorrect.
Lightning or electronic noise interferes
with operation of the microcomputer.
Immediately after beginning to heat the
room, the system was moved to a cold
location causing condensation to form
inside.
The video cord is not connected
correctly.
TV input selection is incorrect.
The disc is not playable.
The scan mode is set to "PROGRESSIVE"
though the system is connected to the TV
which does not support the progressive
video input such as a conventional TV.
The system's and disc's Region Code
numbers are incompatible.
Parental Lock is in use.
The disc is inserted with its label and
data sides inverted.
The unplayable disc is inserted.
The disc is scratched or dirty.
A VCR is connected between the center
unit and the TV.
With some discs, a picture may be
blurred when setting "PROGRESSIVE
MODE" to "FILM" or "AUTO."
"MONITOR TYPE" is not set correctly.
The TV is not set correctly.
SOLUTION
Connect the cord correctly.
(See page 13.)
Adjust the balance properly.
(See pages 59 and 66.)
Set the speaker setting properly.
(See pages 60 and 66.)
Switch the power off, and remove and re-
insert the power plug in the socket.
Switch the power off and leave the unit a
few hours before switching the power on
again.
Connect the cord correctly.
(See page 10.)
Select the correct input on the TV.
Use a playable disc. (See page 6.)
Change the scan mode to "INTERLACE."
(See page 26.)
Replace the disc. (See page 6.)
Enter password to change the parental
level. (See page 64.)
Insert the disc correctly.
(See page 27.)
Replace the disc. (See page 6.)
Replace or clean the disc.
(See page 71.)
Connect the center unit and TV directly.
Set "PROGRESSIVE MODE" to "VIDEO."
(See page 58.)
Set the monitor type correctly.
(See page 58.)
Set the TV correctly.
Some DVDs are programmed to always
display no subtitle initially. If this
happens, press SUBTITLE on the remote
control after starting play. (See page 41.)
Some DVDs are programmed to always
use the original language initially. If this
happens, press AUDIO on the remote
control after starting play. (See page 42.)