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CHAPTER 4.TROUBLESHOOTING TABLE
1. HOWTORESPONDBYTROUBLESYMPTOM(INCASEOFNON-DEFECTIVEMODE)
Defective symptom
No power.
Unit cannot be operated.
Remote control unit does not
operate.
Picture is cut off/with sidebar
screen.
Strange color, light color, or color
misalignment
Power is suddenly turned off.
No picture
Picture quality of HD videos is
poor.
Check if you pressed POWER on the remote controlunit.
-
Is the AC corddisconnected?
-
Has the power been turnedon?
-
- External influences such as lightning, static electricity, may cause
improper operation.
In this case, operate the unit after first turning off the power of the TV or
unplugging the AC cord and replugging it in after 1 or 2 minutes.
Are batteries inserted with polarity (+, -)aligned?
-
Are batteries worn out? (Replace with newbatteries.)
-
Are you using it under strong or fluorescentlighting?
-
Is a fluorescent light illuminated near the remote controlsensor?
-
Is the image positioncorrect?
-
Are screen mode adjustments such as picture size madecorrectly?
-
Adjust the picturetone.
-
Is the room too bright? The picture may look dark in a room that is
-
toobright.
Is the sleep timerset?
-
Check the power controlsettings.
-
The unit's internal temperature has increased. Remove any objects
-
blocking vent orclean.
Is connection to other componentscorrect?
-
Is the correct inputselected?
-
If the PC image is not displayed, check thefollowing:
-
When connecting a laptop PC to the TV, check that display output mode
of the PC is set to external TV.
Check the resolution setting on the PC. Is a non-compatible signal being
input?
To enjoy HD images from external equipment, you are required
-
to set up HDMI connection or componentconnection.
If the Video source is not of HD quality, HD images cannot be
-
displayed. Check thatthe Video source you are viewing provides
HDimages.
The HD cable/satellite set-top box may need to be configured to
-
output HD imagesviacable/satellite.
4T-B70CJ1 TROUBLE SHOOTING
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