Troubleshooting

1. Plasma Television Troubleshooting

No.

Items

Notes

1

Buzzing sound from Plasma

A buzzing sound may be heard when the plasma television is turned on in a very quiet

display panel.

room. This is due to the plasma panel drive circuit when it is functioning. The buzzing

 

sound is normal and is not a malfunction.

 

 

2

Infrared interference

Some infrared rays are emitted from the plasma television panel that might affect the

operation of other infrared controlling equipment.

 

 

 

 

High precision technology is used to manufacture the plasma television. But there

3

Bright and dark spots

maybe points that do not illuminate, points that are too bright, and points with color

 

 

different from that of the periphery. Please note that this is not a malfunction.

4

Picture Image

In some cases, residual images may remain after the short term display of still images

when the picture changes.

 

 

 

Display panel surface

The plasma display panel display images by means of electrical discharges inside the

5

panel. This may cause the temperature of the panel surface to increase. Please note that

temperature is too high.

 

this is not a malfunction.

 

 

 

 

 

6

Plasma Surface

A reinforced glass filter is installed over the plasma panel surface. A strong impact to

the front panel risk a danger of glass breakage.

 

 

 

 

 

7

 

Please transport the plasma television in it's packing box and placed in an upright

Transportation

position. Do not transport the plasma television in a horizontal position. This increases

 

 

the posibility of panel breakage and pixel failure.

8

Granular spots

When a screen is seen at point-blank range, a random fine grain may be visible in the

dark areas of the picture.

 

 

 

 

 

9

High temperature

High temperature affect the electric discharge/luminescence characteristic of the PDP

environment

panel. Do not place the plasma television in high temperature environments.

 

 

 

 

10

Operation

Operating altitude: 700 to 1,114hPa (9,676ft to -2,484ft). Operating temperature: 41°F

to 95°F.

 

 

 

 

 

11

Storage

Storage altitude: 300 to 1,114hPa (31,912ft to -2,484ft). Storage temperature: 5°F to

140°F

 

 

12

Power ON or OFF

Repeatedly turning the plasma television Power ON and OFF at short intervals may

result in failure of the television.

 

 

 

 

 

 

 

The on-screen motion of an actor's lips or other moving object may not be in sync with

13

Lip sync

the associated audio heard from the TV's speakers. This is caused by timing differences

 

 

in the broadcast signal or DVD content and is not caused by a defect in the television.

 

 

 

14

Control Buttons

There's a few seconds response delay on the control buttons (Control panel or R/C) after

 

Response Delay

the TV is turned ON; due to TV start-up routine. Please note that this is not a TV malfunction.

 

 

 

Useful Information

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Hitachi P55H4011, P50H4011 important safety instructions Plasma Television Troubleshooting