TROUBLESHOOTING

Before requesting repair, check the following points.

Problems

Points to be checked

Measures (remedy)

 

 

 

No power supply.

Is the power plug loosened or

Firmly insert the power plug.

 

disconnected?

 

 

 

 

 

Is the battery charged properly? (when

Charge the battery or replace the

 

a DC power supply is used)

charged battery (refer to the battery

 

 

charger you are using).

 

 

 

No picture with the

Is the signal output from the connected

Set the connected equipment

power on.

equipment?

correctly.

 

 

 

 

Is the input signal selected correctly?

Select the correct input.

 

 

 

 

Is the video signal cable disconnected?

Connect the video signal cable firmly.

 

 

 

No sound.

Is the audio signal output from the

Set the connected equipment

 

connected equipment?

correctly.

 

 

 

 

Is the volume set to minimum?

Adjust the volume properly.

 

 

 

 

Is the audio signal cable disconnected?

Connect the audio signal cable firmly.

 

 

 

Picture is shaking.

Is the monitor close to a motor,

Move the monitor away from the

 

transformer or other device generating

device until the picture stops shaking.

 

a strong magnetic field?

 

 

 

 

No colors, wrong

Has COLOR SW been set to OFF?

Set COLOR SW to ON in the menu.

colors, or dark

 

 

picture.

 

 

Has the picture control setting

Adjust each setting to the standard

 

 

(CONTRAST, BRIGHTNESS,

value [0].

 

CHROMA or PHASE) been changed?

 

 

 

 

Some parts of the

Is the monitor close to a speaker or

Keep speakers and magnets away

picture are

magnet? Did you move a speaker or

from the monitor.

distorted.

magnet close to the monitor?

 

 

 

 

There are black

Is the screen size set to 16:9?

Set the screen size to OVER or

parts on the top

 

UNDER.

and bottom of the

 

 

screen, and both

 

 

horizontal sides of

 

 

the picture is

 

 

indented.

 

 

 

 

 

 

 

(continued on the next page)

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JVC TM-L450TU specifications Troubleshooting, Problems Points to be checked Measures remedy