Before calling service – MITSUBISHI ELECTRIC DV270 User Manual

Page 20

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Before Calling Service

Please make these simple checks before calling service. These tips may save
you time and money since charges for receiver installation and adjustments of
customer controls are not covered under your warranty.

Symptoms

Items to Check and Actions to follow

Ghosting or double
image

*This may be caused by obstruction to the

antenna due to high rise buildings or hills.
Using a highly directional antenna may inprove
the picture.

No power

*Check that the TV’s AC power cord is plugged

into the mains socket.

*Unplug the TV, wait for 60 seconds. Then re-

insert plug into the mains socket and turn on
the TV again.

No picture

*Check antenna connections at the rear of the

TV to see if it is properly connected to the TV.

*Possible broadcast station trouble. Try another

channel.

*Adjust the contrast and brightness settings.
*Check the Closed Captions control. Some Text

modes could block the screen.

Good picture but no
sound

*Increase the Volume.
*Check that the TV is not muted; toggle the

mute button on the remote control.

Good sound but poor
colour

*Adjust the contrast, colour and brightness

settings.

Poor picture

*Sometimes, poor picture quality occurs when

multiple peripherals are connected
simultaneously. In this case switch off one of
the other peripherals

Snowy picture and noise

*Check the antenna connection

Horizontal dotted line

*This may be caused by electrical interference

(e.g. hairdryer, nearby neon lights, etc.)

*Turn off the interfering equipment.

Television not
responding to remote
control

*Check whether the batteries are working, and

the polarity is correct. Replace if necessary

*Clean the remote control sensor lens on the

TV.

*Try using the buttons on the front of your TV.
*Select the TV mode to be sure your remote

control is in the TV mode.

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