TROUBLESHOOTING
Problem | Cause | Remedy | Refer to |
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This unit does not | The internal microcomputer has been | Disconnect the AC power cord from the outlet and | — |
operate properly. | frozen by an external electric shock (such | then plug it in again after about 30 seconds. |
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| as lightning or excessive static electricity) |
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| or by a power supply with low voltage. |
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“CHECK SP WIRES” | Speaker cables are short circuited. | Make sure all speaker cables are connected correctly. | 9 |
appears in the front |
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panel display. |
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There is noise | This unit is too close to digital or high- | Move this unit further away from such equipment. | — |
interference from | frequency equipment. |
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digital or high- |
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frequency equipment, |
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or this unit. |
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The picture is | The video source uses scrambled or |
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disturbed. | encoded signals to prevent dubbing. |
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This unit suddenly | The internal temperature became too high | Wait until this unit cools down and then turn it back | — |
switches to the | and the overheat protection circuitry was | on. |
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standby mode. | activated. |
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The whirring of the | This unit is fitted with a fan for cooling |
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fan can occassionally | purposes. The fan automatically operates |
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be heard. | when the temperature inside the unit |
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| becomes too hot, or when the unit is |
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| turned on. |
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■ Tuner
| Problem | Cause | Remedy | Refer to |
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| FM stereo reception is | The characteristics of FM stereo | Check the antenna connections. | 14 |
| noisy. | broadcasts may cause this problem | Try using a |
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| when the transmitter is too far away or | antenna. |
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| the antenna input is poor. |
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| Use the manual tuning method. | 23 | |
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| There is distortion, and | There is multipath interference. | Adjust the antenna position to eliminate | — |
| clear reception cannot |
| multipath interference. |
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FM | be obtained even with a |
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good FM antenna. |
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| The desired station | The station is too weak. | Use a | — |
| cannot be tuned in with |
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| Use the manual tuning method. | 23 | |
| the automatic tuning |
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| method. |
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| Previously preset | This unit has been disconnected for a | Preset the stations again. | 24 |
| stations can no longer | long period. |
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| be tuned in. |
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| INFORMATION | ADDITIONAL |
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| English |
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53
