TROUBLESHOOTING GUIDE

SYMPTOM

CAUSE (AND REMEDY

)

TV

Bad Picture (snow, multiple images distortion,blurry)

No sound.

Check the

location

of the

antenna and adjust it if necessary.

Make sure

the

antenna cable is

connectedfirmly.

Make sure

all

input

cables

are

connectedfirmly.

Increase the volume.

Check whether the mute function has been activated on the Remote Control.

Black and White

Check the

PICTURE setting

within

the

PICTURE menu.

picture.

Check to

make

sure the

program

you

are watching is broadcast

 

 

in Color

and

not Black

&

White.

 

 

No picture orsound.

Coloredpatches of picture.

Panel function key does not respond correctly.

Make sure

the

unit is

plugged in and onturned.

Make sure

that

the ATV

modeselectedis .

Try a new

channel to

check for possibletroublestation.

Make sure

the

antenna

is connected properly.

Increase the volume.

Make sure the antenna or audio/video source device is working properly.

Make sure

all

cables are

firmlyconnected.

Check for

localinterference.

 

Make sure

there are no unshielded electrical devices nearby

 

that

are

causinginterference.

Turn

the TV

off forminutes,30 then try againit.

Under the influence of electrostaticphenomenon, the product may malfunction and requireusertopowerreset.

Unplug and re-plug the AC powercod.

The

displaymonitor's

LED TV takes

inside lightenphosphor. It may

increase the

 

panel

goeshot.

 

temperature

of

the screen in occasionssome. It's

not defecta.

 

Unusual dots

Black

dots

and Bright points may appear

on scrtheenLED.

 

 

 

This

is a

structural property of the LED

panel and is not a defe

Stripes on screen

Adjust

the impulse phase may decrease

stripesRGB. in

The top of the monitorIt may

occur duringlong-time working. It's not

a defect.

gets hot .

 

 

 

Unable to select a certain channel.

Disorder display at power on.

The channel may be skipped. Choose this channel by directly selecting the buttons from the remote control.

This may be caused because of avery short interval between POWER OFF and ON.

Unplug the power and restart.

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RCA RLED4778A manual Troubleshooting Guide