User Manual
Page 21
... this unit, immediately turn the power off the power supply and consult your service center or the qualified technician. 20 If the problems still exist, please cut off and disconnect the power connector from the unit. Troubleshooting Take these steps described in the tables below... to reset the unit. Other possibilities: Static or other external interference may be turned Turn up the volume. There is no picture. PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION There is no sound The volume may be turned down . The brightness may cause the unit function abnormally. down...
... this unit, immediately turn the power off the power supply and consult your service center or the qualified technician. 20 If the problems still exist, please cut off and disconnect the power connector from the unit. Troubleshooting Take these steps described in the tables below... to reset the unit. Other possibilities: Static or other external interference may be turned Turn up the volume. There is no picture. PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION There is no sound The volume may be turned down . The brightness may cause the unit function abnormally. down...