114Appendices

Appendix E: Troubleshooting, continued

TV Power On/Off

 

Symptom

 

Remarks

 

 

 

 

 

 

1.

TV takes an excessively long time to power

 

• When switched on, the TV needs time to boot up, just as a

 

 

on.

 

computer does. Also, the TV’s lamp requires a few moments

 

 

 

 

to heat up to full brightness.

 

 

 

 

• TV Energy Mode is set to Low Power. To change TV Energy

 

 

 

 

Mode to Fast Power On: Press MENU, open the Setup menu,

 

 

 

 

highlight the Fast Power On radio button.

 

 

 

 

 

 

2.

You cannot program the TV to turn on auto-

 

• The TV may be locked.

 

 

matically (Timer function)

 

• The clock may not be set.

 

 

 

 

• A time-delayed recording may have started.

 

 

 

 

• TV Energy Mode is set to Low Power. Change to Fast Power

 

 

 

 

On in Setup menu.

 

3.

The TV will not turn on after being plugged in.

 

If green light on front panel is blinking, wait for at least one minute

 

 

 

 

for the light to turn off, then press POWER again.

 

 

 

 

 

 

4.

TV turned itself off and the light on the front

 

• Momentary power fluctuation caused the TV to turn off to

 

 

panel started to blink.

 

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

 

 

 

 

turn the TV on again.

 

 

 

 

• If the TV does not stay on, use the System Reset button on

 

 

 

 

the front panel. If this happens frequently, obtain an AC line

 

 

 

 

power conditioner/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.

 

 

 

 

 

 

5

TV will not power off.

 

Use the System Reset button.

 

 

 

 

 

 

 

 

 

 

 

Picture

 

 

 

 

 

 

 

 

 

Symptom

 

Remarks

 

 

 

 

 

 

1.

Picture does not look like a high-definition

 

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

 

 

picture.

 

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-definition and can be received with

 

 

 

 

a high-quality antenna suited to your location.

 

 

 

 

 

 

2.

Picture has become noticeably dimmer.

 

• Adjust picture brightness and contrast to maximum levels.

 

 

 

 

• The lamp is nearing the end of its life. Order a new lamp. See

 

 

 

 

Appendix C for ordering information and replacement instruc-

 

 

 

 

tions.

 

3.

Split Screen does not display a sub-picture.

 

• Make sure the Parental Lock is off.

 

 

 

 

• Not all inputs can be displayed as a sub-picture.

 

 

 

 

 

 

4.

CableCARD channel is not shown as Split

 

CableCARD allows only one channel at a time to be used.

 

 

Screen sub-picture when CableCARD

 

 

 

 

channel is the main image.

 

 

 

 

 

 

 

 

5.

There is a large black or gray rectangle on

 

The TV’s analog closed captioning has been set to “text” mode in

 

 

the screen.

 

the Captions menu. Turn off because there is no text information

 

 

 

 

being broadcast.

 

 

 

 

 

 

6.

You cannot view a picture when playing a

 

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

 

 

VHS tape.

 

 

 

 

 

 

 

 

7.

VCR or DVD player’s on-screen menus jitter

 

Possible cause: Many VCRs and DVD players provide on-screen

 

 

up and down.

 

menus at only half-resolution. These lower-resolution graphics

 

 

 

 

may appear to jitter up and down when the TV converts them to

 

 

 

 

high-definition graphics.

 

 

 

 

 

 

8.

When viewing a stopped VCR, white lines

 

• Turn off video mute for the VCR.

 

 

are rolling on the screen.

 

• Begin playing the tape.

 

 

 

 

• Change the VCR input to the antenna input.

 

 

 

 

 

 

Page 114
Image 114
Mitsubishi Electronics WD-57831 manual TV Power On/Off Symptom Remarks, Picture Symptom Remarks

WD-57831 specifications

The Mitsubishi Electronics WD-57831 and WD-65831 are part of Mitsubishi's line of DLP (Digital Light Processing) televisions, known for their advanced imaging technologies and high-quality display performance. These models were designed to deliver an impressive viewing experience, combining large screen sizes with innovative features that enhance picture quality and user experience.

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