TROUBLESHOOTING
General
PROBLEM | POSSIBLE CAUSE | WHAT TO DO |
Power does not come on. | AC cord not properly plugged in. | Carefully plug AC plug into outlet. |
The unit turns off suddenly soon after the power is turned on.
The IMPEDANCE SELECTOR switch on the rear Set the switch to the upper or the lower end exactly. panel is not set to the upper or the lower end
exactly.
Hum. | Bad cable connection. | Firmly plug in all connection cables. |
No sound. | Bad or incorrect input connection. | Check connections. |
| Incorrect input source selection. | Select the appropriate input source with the input selector buttons. |
| Digital signals other than PCM audio or the Dolby | Play a source whose signals this unit can reproduce. |
| Digital |
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| cannot reproduce are input to this unit by playing a |
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No sound from the effect speakers.
The EFFECT switch is set off.
A Dolby Surround decoding program is being used with material not encoded with Dolby Surround.
Press the EFFECT switch to turn it on.
Use a different sound field program.
No sound from the front effect speakers.
The FRONT MIX switch is set to “ON”. | Set the FRONT MIX switch to “OFF”. |
The sound field program No. 1 “DOLBY PRO | Select another program. |
LOGIC (DOLBY DIGITAL)” is selected. |
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No sound from the center speaker.
The CENTER SPEAKERS mode is in “PHNTM”. | Select the appropriate mode. |
One of the sound field programs No. 5 to No. 10 is | Select another program. |
selected when the input signal of source is 2- |
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channel stereo (analog/PCM). |
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| The input signals of source encoded with the Dolby | Refer to the instructions for the source currently played. |
| Digital |
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Poor bass reproduction. | The LFE/BASS OUT mode is in the SWFR or | Select the MAIN position. |
| BOTH position, though your system does not |
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| include a subwoofer. |
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Output mode selection for each channel (MAIN, CENTER or REAR) is improper.
Make output mode selections suitable for your speaker system.
The sound suddenly goes off. | The protection circuit has activated because of | Turning the unit off and then on will reset the protection circuit. |
| short circuit etc. |
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The volume level cannot be increased, or | The power to the component connected to the | Turn the power to the component on. |
sound is distorted. | REC OUT jacks of this unit is off. |
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The sound field cannot be recorded.
It is not possible to record the sound field on a tape deck connected to this unit’s TAPE REC OUT jacks.
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