T R O U B L E S H O O T I N G
| Symptom |
| Diagnosis |
| Remedy | |
| Amplifier does not |
| Voltage applied to the | Check the alternator, bat- | ||
| turn on. |
| REM terminal of | the | tery, fuse, and wiring and | |
| (Power LED is off) |
| amplifier is not between | repair as necessary. If the | ||
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| 10.5 and 15.5 volts or | voltage is above 15.5 volts, | ||
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| there is | no voltage | have the electrical system | |
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| present. |
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| inspected by an authorized |
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| car service center. |
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| Voltage to the B+ termi- | Check the alternator, bat- | ||
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| nal of the amplifier is | tery, fuse, and wiring and | ||
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| not between 10.5 and | repair as necessary. If the | ||
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| 15.5 volts or there is no | voltage is above 15.5 volts, | ||
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| voltage present. |
| have the electrical inspected | |
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| by an authorized car service |
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| center. |
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| Amplifier is not prop- | Check wiring and repair as | ||
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| erly grounded. |
| necessary. | |
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| Amplifier has no |
| RCA Input from source | Check connections, substi- | ||
| sound. |
| unit is not connected or | tute with known working | ||
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| not functioning properly. | source and cables and repair | |||
| (Power LED is on) |
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| or replace as necessary. | |
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| XCards are missing or | Checksignal input switchand | ||
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| not placed properly in | XCard positions and repair | ||
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| crossover | slots and/or | or replace as necessary. | |
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| switches are not prop- |
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| erly selected. |
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| Speaker | leads | are | Disconnect existing speak- |
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| shorted to each other or | ers and test with known | ||
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| to the chassis of the ve- | working speakers and wires. | ||
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| hicle. |
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| If amplifier plays, check and |
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| repair wiring and installa- |
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| tion of speakers as neces- |
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| sary. |
Speakers are defective.
Replace speakers.
