Samsung HT-AS720 User Manual (ENGLISH) - Page 47

Before calling for service ENG Symptom Check Remedy The unit will not turn on. • Is the power cord plugged into the outlet? • Connect the power plug to the outlet. A function does not work • Is there static electricity in the air? when the button is pressed. • Disconnect the power plug and connect it again. Sound is not produced. • Are the speakers and external components connected properly? • Is the Mute function on? • Is the volume set to minimum? • Is the speaker setup set incorrectly to NONE? • Connect them correctly. • Press Mute button to cancel the function. • Adjust the volume. • Refer to pages 22~23 to select LARGE, SMALL or YES. Picture does not appear on a TV • Is the external component connected when the function is selected. properly? Remote controller does not work. • Are the batteries drained? • Is the distance between remote control and main unit too great? The sound from the left/right channels is reversed. • Are the left/right speaker or left/right input/output cables connected properly? • Connect it correctly. • Replace with new batteries. • Operate at close distance. • Check the left/right channel and connect it/them correctly. Can't receive radio broadcasts. • Is FM antenna connected properly? • Connect the antenna correctly. • If the input strength of antenna signal is weak, install the FM antenna in a place with good reception. There is no sound from surround speakers. • Is the surround speaker connected properly? • Is SURR (surround) incorrectly set to NONE in speaker setup? • Is surround mode set to stereo? • Refer to pages 12~13 to connect them properly. • Refer to pages 22~23 to select LARGE or SMALL. • Refer to pages 31~37 to select proper Surround Mode. There is no sound from center speaker • Is the center speaker connected properly? • Is CEN (center) incorrectly selected to NONE in speaker setup? • Is the surround mode selected to stereo? • Refer to pages 12~13 to connect it properly. • Refer to pages 22~23 to select LARGE or SMALL. • Refer to pages 31~37 to select other Surround Modes. 47 MISCELLANEOUS