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Troubleshooting – Technicolor - Thomson 42WM03STW-0707 User Manual

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The following table lists possible problems and methods for remedy. Please refer to this table prior to contacting a
service representative.

Symptom

Possible Cause

Remedy

No picture is displayed.

1. The power cord is disconnected.
2. The main power switch on the rear panel is

on the OFF position.

3. The selected input has no connection.
4. The monitor is in standby mode in RGB

mode.

1. Plug in the power cord.
2. Put the main power switch on the ON

position.

3. Connect the selected device to the

monitor.

4. Press any key on your keyboard.

Poor picture or poor sound.

1. Electrical appliances, cars, motorcycles or

fluorescent lights may be nearby.

1. Move the monitor to another location to

reduce interference.

Color is abnormal.

1. The signal cable is not connected properly.

1. Make sure that the signal cable is

attached firmly to the rear panel of the
monitor.

Picture is distorted.

1. The signal cable is not connected properly.
2. The input signal is not supported by the

monitor.

1. Make sure that the signal cable is

attached firmly.

2. Check that the video signal source is

supported by the monitor (refer to the
specifications section).

Image doesn’t fill up the full
size of the screen.

1. If under RGB mode, the H-Size and V-Size

settings are incorrectly set.

1. Use the H-Size and V-Size options in the

PICTURE menu to adjust the size of the
picture.

Sound with no picture.

1. The signal cable is not connected properly.

1. Make sure that both video and sound

inputs are correctly connected.

Picture with no sound.

1. The signal cable is not connected properly.

2. Volume is turned all the way down.
3. The sound is muted.

1. Make sure that both video inputs and

sound inputs are correctly connected.

2. Use the volume adjustment buttons to

adjust sound.

3. Switch MUTE off using the MUTE button

on the remote control.

Some picture elements do
not light up.

1. Some pixels of the plasma display may not

turn on.

1. This monitor was manufactured using an

extremely high level of technology;
however, sometimes some pixels of the
monitor may not display. This is not a
malfuction.

After-Images can be seen
on the monitor after it has
been powered off.
(Examples of still pictures
include logos, video games,
computer images, and
images displayed in 4:3
format)

1. A still picture was displayed for an extended

period of time.

1. Do not allow a still image to be displayed

for an extended period of time as this
can cause a permanent after-image to
remain on the screen.

The remote control buttons
do not work.

1. The remote control batteries are flat, or

incorrectly installed.

2. The position of the selection switch does

not correspond to the selected selected
input.

1. Change the batteries. Please note that

you must then reprogram the remote
control.

2

Put the selection switch on the correct
position.

Troubleshooting

42WM03STW-0707-en.p65

2003/9/5, PM 12:53

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