Bedienungsanleitung Mitsubishi WD-73840 (Seite 41 von 56) (Englisch)

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Appendices 41

For assistance call 1(800) 332-2119

Appendix B: Troubleshooting, continued

TV Power On/Off

Symptom Remarks

1. TV takes an excessively long time to power

on.

When powered on, the TV needs time to boot up, just as a com-

puter does.

2. You cannot program the TV to turn on auto-

matically (Timer function)

• The TV may be locked.

• The clock may not be set.

3. TV turned itself off and the light on the front

panel started to blink.

• Momentary power fluctuation can cause the TV to turn off

to prevent damage. Wait for the green light to stop flashing

and turn the TV on again.

• If the TV does not stay on, press the

POWER

button on the

control panel for ten seconds to perform System Reset. If

this happens frequently, obtain an AC line power condi-

tioner/surge protector.

• An unusual digital signal may have been received, triggering a

protection circuit. Wait for the light to stop flashing and turn TV

on.

4. TV will not power off. Press the

POWER

key on the control panel for ten seconds to

perform System Reset.

Picture

Symptom Remarks

1. Picture does not look like a high-definition

picture.

Not all signals are high-definition signals. To receive high-defini-

tion programming from your cable or satellite provider, you must

subscribe to the provider’s high-definition service. Some over-

the-air broadcasts are in high-deﬁ nition and can be received with

a high-quality antenna suited to your location.

2. TV has sound but no picture. • Press

on the remote control. If the menu displays,

then there is a problem with the incoming signal.

• Check that all video inputs are plugged in firmly.

• Press and hold the

POWER

button on the control panel for ten

seconds to perform System Reset.

3. Picture has become dimmer. • The lamp is nearing the end of its life. Order a new lamp.

• Adjust picture brightness and contrast to maximum levels.

• Change Lamp Energy from Standard to Bright.

4. You cannot view a picture when playing a

VHS tape.

Check your VCR’s owner’s guide for further troubleshooting.

5. VCR or DVD player’s on-screen menus jitter

up and down.

Stop playback. Possible cause: Many VCRs and DVD players

provide on-screen menus at only half-resolution that may

appear to jitter up and down.

6. When viewing a stopped VCR, white lines

are rolling on the screen.

• Turn off video mute for the VCR.

• Begin playing the tape.

• Change the VCR input from Line 1 to the VCR antenna input.

7. A color program appears as a black and

white image, or the colors are dim, or the

screen is black.

840 Series. The PerfectColor color balance has been incorrectly

set. Reset the PerfectColor balance.

8. Picture from an HDMI input is noisy (poor

quality).

Upgrade a standard (unmarked) HDMI cable to a high-speed

HDMI cable.

9. The image from a computer appears dis-

torted when viewed on the TV.

• Normal TV operation. The TV does not correct distortion in

the picture from a computer because the correction process

may cut off the edges of the image.

• The aspect ratio may be wrong for the image. Press

FORMAT

to change.

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