TROUBLESHOOTING
Refer to the table below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, turn off this unit, disconnect the power cable, and contact the nearest authorized Yamaha dealer or service center.
■Tuner
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| FM stereo reception is | The characteristics of FM stereo | Check the antenna connections. | |
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| noisy. | broadcasts may cause this problem |
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| Try using a |
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| when the transmitter is too far away or | — | |
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| the antenna input is poor. | antenna. | |
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| There is distortion, and | There is | Adjust the antenna position to eliminate |
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| clear reception cannot |
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| be obtained even with a |
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FM |
| good FM antenna. |
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| The desired station | The signal is too weak. | Use a | — | |
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| cannot be tuned into |
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| Use the manual tuning method. |
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| with the automatic |
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| tuning method. |
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| The Radio Data System | The Radio Data System information is |
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| information does not | not provided by the radio station. |
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| appear. |
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| The signal is too weak. | Use a | — | |
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| The desired station | The signal is weak or the antenna | Tighten the AM loop antenna connections | — |
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| cannot be tuned into | connections are loose. | and orient it for the best reception. | |
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| with the automatic |
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| Use the manual tuning method. | ||
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| tuning method. |
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AM |
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| There are continuous | Noise can result from lightning, | Use an outdoor antenna and a ground wire. |
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| crackling and hissing | fluorescent lamps, motors, thermostats | This will help somewhat, but it is difficult to | — |
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| noises. | and other electrical equipment. | eliminate all noise. |
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| There are buzzing and | A TV set is being used nearby. | Move this unit away from the TV set. | — |
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| whining noises. |
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■ | General |
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| Problem | Cause | Remedy | See |
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This unit fails to turn on when | The power cord is not connected or the | Connect the power cord firmly. | |||
POWER is pressed. | plug is not completely inserted. |
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| This unit has been exposed to a strong | Disconnect the power cord, plug it back in |
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| external electric shock (such as | after 30 seconds, then use it normally. | — |
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| lightning or strong static electricity). |
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A “humming” sound can be | Incorrect cable connections. | Firmly connect the audio connection cord |
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heard. |
| plugs. If the problem persists, the cables may | — | ||
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| be defective. |
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This unit does not operate | The internal microcomputer has been | Disconnect the AC power plug from the |
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properly. | frozen by an external electric shock | outlet and then plug it in again after about 30 |
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| (such as lightning or excessive static | seconds. | |
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| electricity) or by a power supply with |
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| low voltage. |
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