FAQs

Screen

Sound

HDMI

Other

Problem

Actions

 

Change the setting of “P-NR” in the Picture Menu

Chaotic image, noisy

(to remove noise) (p. 22).

Check nearby electrical products

 

 

(car, motorcycle, fluorescent lamp).

 

 

No image can be displayed

Is “Colour” or “Contrast” in the Picture Menu set to the

 

minimum? (p. 22)

Blurry or distorted image

Reset channels (p. 30).

(no sound or low volume)

 

 

 

Unusual image is displayed

Turn off the TV with Mains power On / Off switch, then turn

 

it on again.

No sound is produced

Is “Sound Mute” active? (p. 10)

Is the volume set to the minimum?

 

Sound level is low

Sound signal reception may be deteriorated.

or sound is distorted

Set “MPX” in the Sound Menu to “Mono” (p. 23).

 

Set the sound setting of the connected equipment to

 

“2ch L.PCM”.

Sound is unusual

Check the “HDMI1 / 2 / 3 Input” setting in the Sound Menu

(p. 23).

 

If digital sound connection has a problem, select analogue

 

sound connection (p. 42).

Pictures from external

Is the HDMI cable connected properly? (p. 34, 38, 39)

equipment are unusual

Turn Off the TV and equipment, then turn them On again.

when the equipment is

Check an input signal from the equipment (p. 43).

connected via HDMI

Use an equipment compliant with EIA/CEA-861/861B.

TV goes into Standby

Auto power standby function is activated.

The TV enters Standby mode about 30 minutes after

mode

broadcasting ends.

 

 

 

 

Are the batteries installed correctly? (p. 3)

 

Has the TV been switched On?

The remote control does

Point the remote control directly at the front of the TV

(within a 30 degree angle of the front of the TV).

not work or is intermittent

Situate the TV away from sunshine or other sources of

 

bright light not to shine on the TV’s remote control signal

 

receiver.

 

 

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Panasonic TH-L42U20M Chaotic image, noisy, No image can be displayed, Blurry or distorted image, No sound is produced