Sharp DV-AT4000 DV-AT4000 Operation Manual (DVD Player in HT-AT4000) - Page 38

DV-AT4000 Troubleshooting chart References - Troubleshooting chart - Many potential problems can be resolved by the owner without calling a service technician. If something is wrong with this product, check the following before calling your authorized SHARP dealer or service center. " DVD player Symptom No sound is heard. Noise is heard during playback. When a button is pressed, the unit does not respond. The display on the unit is dark. The power is not turned on. The sound is not reproduced in the Dolby Digital 5.1 ch. No images are displayed. Even though a disc has been loaded, NO DISC is displayed. Playback sounds are skipped. The control buttons do not function. Music or video playback is interrupted. Possible cause ! The audio cable is disconnected. ! Is the TV or amplifier volume level set to "0"? ! Move the unit away from any com- puters or mobile phones. ! Set this unit to the power stand-by mode and then turn it back on. ! Is the display in the dimmer mode? ! Is the unit unplugged? ! Is the initial setting screen set to "LPCM"? Change it to "BitStream". ! Is TV turned on? ! Is the input of TV switched? ! Is the disc loaded upside down? ! Is the disc very dirty? ! Does the disc satisfy the standards? ! Is the unit located near excessive vi- brations? ! Has condensation formed inside the unit? ! Is the disc very dirty? ! Does the disc satisfy the standards? ! Is the unit located near excessive vi- brations? ! Has condensation formed inside the unit? Reference page P. 12 P. 39 P. 15 P. 14 P. 12 P. 39 P. 39 Symptom Pictures and sound are skipped. The unit does not operate even if the power is on. Image cannot be played back. (Sound is not heard.) Possible cause ! Is the disc very dirty? ! Is the unit located near excessive vi- brations? ! Has condensation formed inside the unit? ! Is a disc other than a DVD (region number 1 or ALL), SVCD, VCD, audio CD, CD-R or CD-RW loaded? ! Are the video and audio cables connected improperly? ! Is a disc other than a DVD (region number 1 or ALL), SVCD, VCD, audio CD, CD-R or CD-RW loaded? ! Is the disc very dirty? ! Is the disc loaded upside down? ! Clean the optical pickup if it is dirty. ! Is the TV input set to "VIDEO 1/VIDEO 2" etc.? ! Is the unit turned on? Reference page P. 39 P. 11 P. 12 - 14 P. 11 P. 37 P. 15 " Remote control Symptom The remote control does not operate properly. The unit cannot be turned on with the remote control. Possible cause ! Is the battery polarity respected? ! Are the batteries dead? ! Is the distance or angle incorrect? ! Are there any obstructions in front of the unit? ! Is the remote control sensor ex- posed to strong light (inverter fluorescent light, direct sunlight, etc.)? ! Is the remote control for another equipment used simultaneously? ! Is the unit unplugged? ! Are the batteries inserted? Reference page P. 15 P. 15 P. 15 P. 14 P. 15 SHARP 9HX55769150 38