TROUBLESHOOTING
| Symptom | Troubleshooting Question | Remedy |
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| No Power | Is the power cord plugged into the wall? | Plug the power cord into the wall. |
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| Is the power cord plugged into the back of | Plug the power cord into the back of the |
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| the amplifier? | amplifier. |
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| Is the power switch on the back of the | Switch on the power switch. |
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| amplifier switched on? |
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| Is the fuse blown? | Replace the fuse with a fuse of the same |
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| rating. |
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| No Sound | Is the transducer connected? | Connect the transducer properly. |
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| Is the input source connected to the | Connect the input source. |
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| amplifier input? |
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| Is the source outputting a signal? | Connect the source to another amplifier |
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| to verify the source is working. |
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| Is the Gain (Volume) Control turned up? | Slowly turn up the Gain (Volume) Control. |
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| Is the input signal from the source too | Set the Auto/On Switch to “On.” If sound |
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| weak to turn on the amplifier? | is produced, set the switch back to “Auto” |
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| and either increase the source volume or |
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| set the input switch to “LOW.” Depending |
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| on the source, it is possible you may have |
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| to do both. |
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| Did the transducer stop working? | Turn the Gain Control down, wait a few |
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| minutes, then try again. |
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| Not Enough Sound | Is the Gain (Volume) Control adjusted | Turn up the source volume and the Gain |
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| properly? | (Volume) Control or set the input switch to |
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| “LOW.” You may need to do both. |
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| Sound Comes and Goes | Is the input signal from the source too | See remedy for the same troubleshooting |
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| weak to turn on the amplifier? | question in “No Sound Output” (above). |
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| Did the transducer stop working? | Turn the Gain Control down, wait a few |
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| minutes, then try again. |
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| Output Contains High- | Is the amplifier set to Low Pass only? | Set the Low Pass/Bypass Switch to “Low |
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| frequency Material |
| Pass.” |
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| NOTE: This assumes | Is the Crossover set correctly? (If using | Turn the Crossover Control counter- |
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| the Low Pass setting) | clockwise to eliminate high frequency |
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| you DO NOT want high- |
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| frequency material. |
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| Is the LFE/SUB signal connected to the | Connect the home theater receiver’s LFE/ |
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| amplifier input? | SUB signal to the amplifier’s input. |
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| Output Does Not Contain | Is the amplifier set to Bypass mode? | Set the Low Pass/Bypass Switch to |
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| “Bypass.” |
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| NOTE: This assumes you | Is the Crossover set correctly? (If using | Turn the Crossover Control clockwise to |
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| the Low Pass setting) | include more |
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| DO want |
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| Is a | Connect the home theater receiver’s RF |
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| material. |
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| amplifier input? | and LF signals to the amplifier’s input. |
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www.clarksynthesis.com |
| TA1501C Amplifier | 23 |