32Appendices

Appendix B: Troubleshooting, continued

TV Power On/Off

 

Symptom

Remarks

 

 

 

1.

TV takes an excessively long

When powered on, the TV needs time to boot up, just as a computer does.

 

time to power on.

Also, the TV’s lamp requires a few moments to heat up to full brightness.

 

 

 

2.

You cannot program the TV to

• The TV may be locked.

 

turn on automatically (Timer

• The clock may not be set.

 

function)

 

 

 

 

3.

TV turned itself off.

Green light on the front panel is blinking

 

 

• Momentary power fluctuation caused 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 at least eight seconds to perform System Reset. If this happens fre-

 

 

quently, 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.

 

 

Amber light on the front panel is lit

 

 

• Internal TV temperature has exceeded proper levels. Cool the room.

 

 

• The TV has overheated. Clear blocked air vents and ensure at least four

 

 

inches of clearance on all sides of the TV.

 

 

 

4.

TV will not power off.

Press the POWER button on the control panel for ten seconds to perform

 

 

System Reset.

Picture

 

Symptom

Remarks

1.

Picture does not look like a

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

 

high-definition picture.

gramming 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.

TV has sound but no picture.

• 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.

 

 

 

4.

Picture from an HDMI input is

Upgrade a Category 1 (unmarked) HDMI cable to a high-speed HDMI cable.

 

noisy (poor quality).

 

 

 

 

 

 

5.

The image from a computer

Normal TV operation. The TV does not correct distortion in the picture

 

appears distorted when viewed

 

from a computer because the correction process may cut off the edges

 

on the TV.

 

of the image.

 

 

• The picture shape may be wrong for the image. Press FORMAT to change.

 

 

 

 

For assistance call 1(800) 332-2119

Page 32
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Mitsumi electronic C10 SERIES manual TV Power On/Off Symptom Remarks, Green light on the front panel is blinking

C10 SERIES specifications

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