Troubleshooting guide
Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of Authorized Service Centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.
Problem
Probable cause(s)
Suggested remedy
Page(s)
While listening to FM broadcasts
Hiss is heard during | Modulation for the two types is different so | ÁReduce the treble. | 25 | ||
stereo broadcasts, but not | some noise may be heard during stereo | ÁChange the location and direction of the | 12, 13 | ||
during monaural ones. | broadcasts. | antenna. |
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| ÁUse an outdoor antenna. | 13 | |
Excessive noise in both | Antenna location and direction poor. | ||||
ÁUse an antenna with more elements. | – | ||||
stereo and monaural |
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| Station is distant. |
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broadcasts. |
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| ÁSelect “VGCA ON”. | 27 | |
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“STEREO” and “TUNED” | Antenna location and direction poor. | ÁChange the location and direction of the | 12, 13 | ||
indicators flicker. |
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| antenna. |
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| Station is distant. |
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| ÁUse an outdoor antenna. | 13 | ||
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Stereo broadcasts highly | Building or mountain nearby. | ÁUse an antenna with more elements. | – | ||
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distorted. |
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While listening to AM broadcasts
Unusual “beat”sound is | A television is on nearby. | ÁSeparate the two or turn the television off. | – | |
heard. |
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| Adjacent signal is interfering. | ÁReduce the treble. | 25 | |
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| ÁSelect “VGCA ON”. | 27 |
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| AC mains lead is near the antenna wires. | ÁSeparate the AC mains lead from the | – | |
heard when a station is |
| wires. |
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tuned. |
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| Electronic interference from the AC mains | ÁUse an outdoor antenna. | 13 | |
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| lead is fed to the speakers. |
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A continuous or | Interference from other appliances. | ÁSeparate this unit from such appliances. | – | |
intermittent hiss is heard. |
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An AM broadcast station | Frequency step is set to 10 kHz. | ÁHold down [BAND] for about 3 seconds. | 28 | |
cannot be picked up clearly. |
| This changes the frequency step to 9 kHz. |
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While enjoying the surround sounds
Sound is not heard from | The presence setting of the speaker has | ÁSet the type and presence setting of each | 17, 18 | |
the center, surround or | been incorrectly set to “NONE” or “NO”. | speaker correctly. |
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subwoofer speakers. |
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The DSP sound mode has been incorrectly | ÁSet to SURROUND mode. | 22 | ||
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| set to “STEREO”. |
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SURROUND and SFC | VGCA is ON. | ÁSelect “VGCA OFF”. | 27 | |
cannot be selected. |
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SPEAKERS B is on. | ÁTurn SPEAKERS B off. | 22 | ||
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Cannot play Dolby Digital | The PCM FIX mode may be on. | ÁTurn PCM FIX mode off. | 21 | |
or DTS sources. | The DTS FIX mode may be on. | ÁTurn DTS FIX mode off. | 21 | |
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| An SFC mode is on. | ÁSwitch to SURROUND or STEREO mode. | 20 | |
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50
RQT5518
