
Appendix
Troubleshooting guide
If a problem occurs, while you are using the remote controller, first operate the unit using the front panel controls to confirm that it is not due to a malfunction (or expired batteries) of the remote controller.
Trouble |
| Cause | Remedy | |||
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No power. |
| • Power cord is disconnected. | • | Connect power cord. | ||
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| • There is external noise in the computer | • Turn the power switch off and then on | |||
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| circuits of this unit. |
| again, or remove the AC plug from the | |
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| outlet and then plug it again. |
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Power but no sound. | • |
| indicator is flashed. | • Turn the Tape 2 Monitor off. | ||
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| • AUDIO MUTE indicator is lit. | • Muting off with the remote controller. | |||
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| • | Bad/incorrect connections. | • Check connection cables, speaker | ||
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| cables, etc. |
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Hum, | • Poor or no input ground. | • Check outer conductor of input plugs. | ||||
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| • Poor or no phono motor ground. | • Check for proper ground connection. | |||
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| • The placement of the audio connection | • | Adjust the placement of the cable to | ||
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| cables on the rear panel is incorrect. |
| reduce hum. | |
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Howling when the volume is turned | • | Turntable and speakers are too close | • Move them farther apart. | |||
up. |
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| together. |
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Rough or scratchy sound; high fre- | • Stylus of turntable | • | Replace. | |||
quency range is not clear. | • Turntable stylus tip is dirty. | • | Clean. | |||
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| • Treble control is too high. | • Turn treble control down. | |||
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AM stations cannot be received. | • AM loop antenna is not attached. | • Connect the included AM loop antenna | ||||
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| to the AM antenna terminals. |
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Buzzing noise on AM (particularly | • Noise from electrical apparatus such as | • | Move the AM loop antenna as far as | |||
conspicuous at night or with weak |
| a fluorescent lamp. |
| possible from the TV. | ||
stations). |
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| • Move unit away from TV set. | |
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• | Noise from TV set. | • | Place the AM loop antenna as far as | |||
on AM. |
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| possible from the TV. |
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| • Move unit away from TV set. | |
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Crackling noise on AM or FM. | • | Noise caused by turning fluorescent | • | Move antenna as far as possible from | ||
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| lamp on and off. |
| the fluorescent lamp. | |
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| • Noise from automobile ignition. | • Install an FM outdoor antenna as far as | |||
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| possible from the automobile. |
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| • Change the position or direction of the | |
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| outdoor antenna. |
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TUNED | and STEREO indica- | • Station is too strong. | • Change to a FM indoor antenna. | |||
tors light but sound is distorted and | • Multiple reflection of radio waves | • Use an antenna that has better directiv- | ||||
stereo separation is bad. |
| because of tall buildings or mountains. |
| ity and select a point at which the distor- | ||
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| tion is least. |
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TUNED | and STEREO indica- | • Station is too weak. | • Install an outdoor FM antenna. | |||
tors flicker, and hiss is heard on FM. | • Stereo FM broadcasts cover only about | • Change the position or direction of the | ||||
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| half the distance of an ordinary broad- |
| outdoor antenna. | |
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| cast. |
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No station is recalled when a Preset | • The power cord has been unplugged for | • The memory contents are lost. Store all | ||||
or Scan button is pressed. |
| a long time. |
| stations again. | ||
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Front panel controls function, but | • No batteries in remote controller. | • | Insert batteries. | |||
remote controller does not. | • Batteries have worn out. | • | Replace batteries. | |||
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• Also refer to the respective instruction manuals for the video disc player, video cassette recorder, TV monitor, etc.
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