Onkyo A-905TX User Manual English - Page 23

Before using Connections Preparations Operation Other Information Troubleshooting If you have any problems with the unit, please check the troubleshooting table below first. For any problems not covered in the table, please consult your nearest ONKYO authorized service center. Symptom The unit doesn't turn on. Sound is reproduced from neither left or right speaker. Sound is reproduced from only one speaker. No sound is reproduced when the (wake-up) timer operates. The remote control doesn't operate. Cause Remedy The AC power cord is not fully in- Insert the AC power cord (mains lead) serted into the wall outlet. plug into the wall outlet (the mains) securely. • The wire of the speaker cord is touching the other jacks, connectors, or metal parts. • The volume level is turned down to the minimum. • The sound is muted with the muting function. • The headphones are connected to the PHONES jack. • Jumper plugs are not connected to the PROCESSOR connectors. • Check the speaker connections (see page 15). • Adjust the volume level (see page 19). • Press MUTING button on the remote controller to restore the sound (see page 21). • Turn down the volume level first, then disconnect the headphones. Then, readjust the volume level. • Connect the jumper plugs to PROCESSOR connectors. • The speaker cord is not connected properly or firmly, or is disconnected. • The sound is unbalanced between the left and right speakers. • Jumper plug is not connected to the PROCESSOR connectors. • Check the speaker connections (see page 15). • Adjust the sound balance (see page 20). • Connect the jumper plug to PROCESSOR connectors. • The volume level is turned down • Adjust the volume to the proper to the minimum. level when you set the timer (see page 19). • The batteries in the remote controller are dead. • The remote controller is out of the control range. • There is some obstruction between the remote controller and the unit. • Replace the batteries with new ones (see page 17). • Operate the remote controller within the control range (see page 17). • Try to operate the remote controller from a different angle, or remove the obstruction. Excessive electrical interference may temporarily render this system's sensitive microcomputer inoperable. If this happens, unplug the system for at least five seconds. Other Information 23