Yamaha NS-SP1800BL Owners Manual - Page 27
Troubleshooting, Additional, Information - connections
UPC - 999999122087
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TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the problem can be corrected by the simple measures suggested. If it cannot, or if the problem is not listed in the SYMPTOM column, disconnect the unit's power cord and contact your authorized YAMAHA dealer or service center for help. SYMPTOM PROBABLE CAUSE REMEDY This unit fails to turn on or enters the standby mode soon after the power is turned on. The power cord is not connected or not completely connected. Securely connect the power cord. This unit does not work normally. The disc tray does not close completely. There is an influence of strong external noise (lightning, excessive static electricity, etc.) or an incorrect operation was performed while using this unit. A foreign object is obstructing the tray. Turn off and disconnect the AC power from the AC wall outlet. After about 30 seconds, connect the power and try again. Carefully check the disc tray and remove the foreign object. A disc number does not light up on the display. The disc has been loaded upside down. The disc is damaged. Reload the disc with the label side up. Check the disc carefully; replace it if necessary. There is moisture on the laser pickup. Wait 20 to 30 minutes after switching the unit ON before trying to play back a disc. Playback does not start. The disc is damaged. Check the disc carefully; replace it if necessary. The disc has been loaded upside down. Reload the disc with the label side up. Playback is delayed, or starts at the wrong place. The disc is dirty. The disc may be scratched or damaged. Clean the disc. Check the disc carefully; replace it if necessary. No sound. Improper output cable connections. Connect the cables properly. If the problem persists, the cables may be defective. Improper amplifier operation. Set the amplifier controls to the correct input selection. Sound "skips". This unit is being subjected to vibrations or impacts. Relocate this unit. Sound "hums". The disc is dirty. Improper cable connections. Clean the disc. Securely connect the audio cables. If the problem persists, the cables may be defective. Noise from a nearby tuner. The tuner is too close to this unit. Move the tuner and this unit farther apart. Noise from inside of the disc tray. The disc may be warped. Replace the disc. The remote control transmitter does not work. The batteries of this remote control transmitter are too weak. Replace the batteries with new ones. Direct sunlight or lighting (of an inverter type Change position of the main unit. of fluorescent lamp, etc.) is striking the remote control sensor of the main unit. ADDITIONAL INFORMATION English 23 En