TROUBLESHOOTING
If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help.
|
| SYMPTOM | CAUSE | REMEDY | |
|
| The unit fails to turn on when the STANDBY/ON | Power cord is not plugged in or is not completely | Firmly plug in the power cord. | |
|
| switch is pressed. | inserted. |
| |
|
|
|
|
| |
|
| It happens that this unit does not work | There is an influence of strong external noise | Turn this unit into the standby mode and disconnect | |
|
| normally. | (lightning, excessive static electricity, etc.) or a | the AC power cord from the AC outlet. After about | |
|
|
| misoperation on this unit while using this unit. | 30 seconds pass, connect the power and operate | |
|
|
|
| this unit again. | |
|
|
|
|
| |
|
| No sound or no picture. | Incorrect output cord connections. | Connect the cords properly. If the problem persists, | |
|
|
|
| the cords may be defective. | |
|
|
| Appropriate input source is not selected. | Select an appropriate input source with the INPUT | |
|
|
|
| selector. | |
|
|
|
|
| |
|
|
| The SPEAKERS switches are not set properly. | Set the SPEAKERS switch which corresponds to | |
|
|
|
| the speakers to be used to the ON position. | |
|
|
|
|
| |
|
|
| Speaker connections are not secure. | Secure the connections. | |
|
|
|
|
| |
|
| The sound suddenly goes off. | The protection circuit has been activated because | Turn this unit into the standby mode, and then turn | |
Amplifier |
| of short circuit etc. | on to reset the protection circuit. | ||
|
|
| |||
| The SLEEP timer has functioned. | Cancel the SLEEP timer function. | |||
|
|
| |||
Only one side speaker outputs the sound. | Incorrect setting of the BALANCE control. | Adjust it to the appropriate position. | |||
|
|
| |||
| Incorrect cord connections. | Connect the cords properly. If the problem persists, | |||
|
|
| |||
|
|
|
| the cords may be defective. | |
|
|
|
|
| |
|
| Sound “hums”. | Incorrect cord connections. | Firmly connect the audio plugs. If the problem | |
|
|
|
| persists, the cords may be defective. | |
|
|
|
|
| |
|
|
| No connection from the turntable to the GND | Make the GND connection between the turntable | |
|
|
| terminal. | and this unit. | |
|
|
|
|
| |
|
| The volume level is low while playing a record. | The record is being played on a turntable with an | The player should be connected to the unit through | |
|
|
| MC cartridge. | the MC head amplifier. | |
|
|
|
|
| |
|
| The volume level cannot be increased, or | The component connected to the REC output | Turn the power to the component on. | |
|
| sound is distorted. | terminals of this unit is turned off. |
| |
|
|
|
|
| |
|
| Sound level is low. | The LOUDNESS control is functioning. | Set the LOUDNESS control to the FLAT position. | |
|
|
|
|
| |
|
| The INPUT selector will not function though it is | The CD DIRECT AMP switch is ON. | Switch off the CD DIRECT AMP switch. | |
|
| turned. |
|
| |
|
|
|
|
| |
|
| Using the BASS, TREBLE, BALANCE and | The CD DIRECT AMP or PURE DIRECT switch is | The CD DIRECT AMP and PURE DIRECT switches | |
|
| LOUDNESS controls does not affect the tone. | ON. | must be switched OFF to use those controls. | |
|
| FM stereo reception is noisy. | Because of the characteristics of FM stereo | Check the antenna connections. | |
|
|
| broadcasts, this is limited to cases where the | Try using a high quality directional FM antenna. | |
|
|
| transmitter is too far away or the antenna input is | Set the TUNING MODE button to the manual tuning | |
|
|
| poor. | mode. | |
|
|
|
|
| |
FM | There is distortion and clear reception cannot | There is multipath interference. | Adjust antenna placement to eliminate multipath | ||
be obtained even with a good FM antenna. |
| interference. | |||
|
|
|
|
| |
|
| A desired station cannot be tuned in with the | The station is too weak. | Use the manual tuning method. | |
|
| automatic tuning method. |
| Use a high quality directional FM antenna. | |
|
| Previously preset stations can no longer be | This unit has been unplugged for a long period. | Repeat the presetting procedure. | |
|
| tuned in. |
|
| |
|
|
|
|
| |
|
| A desired station cannot be tuned in with the | Weak signal or loose antenna connections. | Tighten the AM loop antenna connections and | |
|
| automatic tuning method. |
| rotate it for best reception. | |
|
|
|
|
| |
|
|
|
| Use the manual tuning method. | |
AM |
|
|
| ||
There are continuous crackling and hissing | Noises result from ligtning, fluorescent lamps, | Use an outdoor antenna and a ground wire. This | |||
noises. | motors, thermostats and other electrical equipment. | will help somewhat but it is difficult to eliminate all | |||
|
| ||||
|
|
|
| the noises. | |
|
|
|
|
| |
|
| There are buzzing and whining noises | A television set is being used nearby. | Relocate this unit away from the TV. | |
|
| (especially in the evening). |
|
| |
|
|
|
|
| |
Remote control transmitter | The remote control transmitter does not work. | Direct sunlight or lighting (of an inverter type of | Change the position of the main unit. | ||
| fluorescent lamp etc.) is striking the remote control |
| |||
| sensor of the main unit. |
| |||
|
|
| |||
| The batteries of this remote control transmitter are | Replace the batteries with new ones. | |||
| too weak. |
| |||
|
|
|
| ||
|
|
|
|
| |
Others | The sound is degraded when listening with the | This unit is in the standby mode. | Turn the power to this unit on. | ||
headphones connected to the compact disc |
|
| |||
player or cassette deck that is connected with |
|
| |||
this unit. |
|
| |||
|
|
|
| ||
|
|
|
|
| |
20