LG Electronics DR7400 owner manual Troubleshooting, Symptom, Cause, Solution

Models: DR7400

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Troubleshooting

Troubleshooting

Check the following guide for the possible cause of a problem before contacting service.

Symptom

Cause

Solution

 

 

 

 

 

 

 

 

 

No power.

The power cord is disconnected.

Plug the power cord into the wall

 

 

 

outlet securely.

 

 

No picture.

The TV is not set to receive recorder

Select the appropriate video input mode

 

 

signal output.

on the TV so the picture from the

 

 

 

recorder appears on the TV screen.

 

 

 

 

 

 

 

 

 

The video cable is not connected

Connect the video cable securely.

 

 

securely.

 

 

 

 

 

 

The connected TV power is turned off.

Turn on the TV.

 

 

 

 

 

 

 

No sound.

The equipment connected with the

Select the correct input mode on the

 

 

audio cable is not set to receive

audio receiver so you can listen to the

 

 

recorder signal output.

sound from the recorder.

 

 

 

 

 

 

 

 

The audio cables are not connected

Connect the audio cable securely.

 

 

securely.

 

 

 

 

 

 

 

 

 

 

 

 

 

The power of the equipment connected

Turn on the equipment connected

 

 

with the audio cable is turned off.

with the audio cable.

 

 

 

The audio connecting cord is damaged.

Replace it with new one.

 

 

 

 

 

 

 

The playback picture is

The disc is dirty.

Clean the disc.

 

poor.

 

 

 

 

 

 

 

 

 

 

 

 

The recorder does not

No disc is inserted.

Insert a disc. (Check that the disc

 

start playback.

 

indicator in the display window is lit.)

 

 

 

An unplayable disc is inserted.

Insert a playable disc. (Check the disc

 

 

 

type, color system, and regional code.)

 

 

 

The disc is placed upside down.

Place the disc with the playback side

 

 

 

down.

 

 

 

The disc is not placed within the

Place the disc on the disc tray

 

 

guide.

correctly inside the guide.

 

 

 

The disc is dirty.

Clean the disc.

 

 

 

The Rating level is set.

Cancel the Rating function or change

 

 

 

the rating level.

 

 

The picture from the

The video signal from the external

You cannot connect via this recorder.

 

external input is

component is copy-protected.

Connect the component directly to

 

distorted

 

your TV.

 

Some channels are

Those channels are not stored in the

Restore channels. See “Program Edit”

 

skipped over when

recorder.

on page 13.

Reference

using v / V.

 

 

 

 

 

 

 

 

 

 

 

The picture or sound of

Aerial or cables are loose.

Tighten connections or replace cable.

 

broadcasting channel is

 

 

 

 

 

 

weak or missing.

 

 

 

 

 

 

The picture from the

The recorder’s source is incorrect.

Use AV to select input channel

 

external input is not

 

(SCART 1, SCART 2, Front AV)

 

 

 

shown.

 

 

 

 

 

 

 

 

 

 

 

 

 

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LG Electronics DR7400 owner manual Troubleshooting, Symptom, Cause, Solution