JVC LT-19HA72U Operating Instructions Manual page 28

Troubleshooting table
Sound
Symptoms Possible causes
HDMI input is being fed through
No sound
a conversion connector from
equipment with a DVI output.
Possible causes
Symptoms
No picture.
Settings for the digital video
On-screen message
equipment feeding the TV do
indicates video input is not
not match the TV input
compatible.
requirements.
Computer has not exchanged
Computer feeding the TV
information with the television.
does not offer you suitable
In older computers, the
settings to match the TV
graphics adaptor might be
requirements.
obsolete.
Picture is not clear. Television needs to be set up for
Picture is in the wrong the computer analogue RGB
position. input (also known as VGA - or -
sub).
Some input resolutions produce
a clearer picture than others.
Picture looks squashed
the wrong aspect ratio
or stretched.
Equipment feeding the TV is
set to
We have made every effort to ensure these instructions are as accurate as possible, however
we apologize for any inconvenience caused by minor inconsistencies which may occur as a
result of product improvement and development.
EN
28
Computer Monitor TV and HDMI Troubleshooter
Possible solutions
Connect sound output from the DVI equipment to an
external amplifier.
Picture
Possible solutions
Change the refresh rate or resolution settings of the
computer graphics adaptor or other digital equipment.
Re-start the computer while the television is still connected
to the power supply, then try again.
In exceptional cases, you may need to go into the
computer graphics adaptor settings and clear the check
box for Show only settings this monitor can support. For
Microsoft Windows this can be found by right-clicking on
the Desktop and following Properties - Display
Properties - Settings - advanced tab Monitor tab. The
availability of this function and the method of adjustment
varies with computer operating system.
Upgrade your graphics adaptor.
For computer analogue RGB input (also known as VGA-or
D-sub-, activate the automatic set-up function. The phase,
frequency, vertical and horizontal position controls might
also need slight adjustment.
Check information in the computer monitor section of these
instructions and try a different resolution setting.
.
For a TV with a computer monitor function fed from the
computer analogue RGB connector (also known as VGA or
D-sub, set up the computer graphics adaptor resolution to
have the same aspect ratio as the TV screen. (Aspect ratio
means the ratio of width to height, which in this case is
measured in pixels.)