Hyundai HQP421HR User Manual download pdf (Page 96)

APPENDIX

Troubleshooting

Installation Problems

Picture Problems

Symptom

How can I install an

antenna?

TV screen is not clear after

installing an indoors

antenna.

How can I view cable

broadcasting?

Symptom

Neither picture nor

sound comes up.

Picture turns on slowly

after power is on.

Vertical and horizontal lines

and web patterns briefly

appear on the

picture and shake.

Input Source information

only appears on black

screen.

Poor reception on some

channels.

Black and white on some

channels.

TV won’t turn on.

Screen is too bright or too

dark.

Possible solution

Refer to pages 23~24.

Indoors antenna may experience poor reception due to surrounding buildings. Please

install an outdoors antenna or wireless antenna.

Please install a cable broadcasting receiver (Converter).

Possible solution

Check whether power is on.

Check whether the power is cut or whether power cord is properly connected.

Try to plug another product’s power cord to the outlet the PDP is plugged into.

This symptom is not a malfunction. This delay is designed to prevent the distorted and

noisy picture when power is on. However, if the picture does not appear more than 5

minutes after power is on, call a service center.

This symptom may be caused by interference from other electric appliances. Please

avoid using a cordless phone, hairdryer, and electric drill, etc.

Check whether your TV is properly connected to external devices.

Check whether you selected proper channels. Try re-orienting your antenna. Ensure

LNA is activated.

Check other channels for black and white screen. Adjust colour.

Ensure the power cord is plugged.

Adjust brightness.

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Hyundai HQP421HR User Manual Page 96

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