![TR O U B L E S H O O T I N G](/images/new-backgrounds/24002/2400265x1.webp)
| TR O U B L E S H O O T I N G |
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| Symptom | Diagnosis | Remedy |
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| Amplifier does not | Voltage applied to the REM | Check the alternator, battery, |
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| turn on | terminal of the amplifier is | fuse, and wiring and repair as |
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| (Power LED is off) | not between 10.5 and | necessary. If the voltage is |
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| 15.5 volts or there is no | above 15.5 volts, have the elec- |
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| voltage present. | trical system inspected by an |
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| authorized car service center. |
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| Voltage to the B+ terminal | Check the alternator, battery, |
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| of the amplifier is not be- | fuse, and wiring and repair as |
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| tween 10.5 and 15.5 volts | necessary. If the voltage is |
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| or there is no voltage | above 15.5 volts, have the elec- |
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| present. | trical system inspected by an |
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| authorized car service center. |
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| Amplifier is not properly | Check wiring and repair as nec- |
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| grounded. | essary. |
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| Amplifier has no | RCA Input from source unit | Check connections, substitute |
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| sound | is not connected or not | with known working source and |
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| functioning properly. | cables and repair or replace as |
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| (Power LED is on) |
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| necessary. |
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| Speaker leads are shorted | Disconnect existing speakers |
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| to each other or to the chas- | and test with known working |
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| sis of the vehicle. | speakers and wires. If amplifier |
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| plays, check and repair wiring |
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| and installation of speakers as |
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| necessary. |
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| Speakers are defective. | Disconnect existing speakers |
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| and test with known working |
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| speakers. If amplifier plays, |
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| check and repair speakers as |
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| necessary. |
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