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8. TROUBLESHOOTING
| Problem | Cause | Measure |
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| Power does not | Fuse is blown. | Replace with a fuse of the same amperage. If the fuse | |
| turn on. |
| blows again, consult your store of purchase. | |
| (No sound is | Incorrect wiring. | Consult your store of purchase. |
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| produced.) |
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| No sound output | Power antenna lead is | 1. Turn the unit off. |
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| when operating | shorted to ground or | 2. Remove all wires attached to the power antenna | |
| the unit with | excessive current is required | lead. Check each wire for a possible short to | |
| amplifiers or | for | ground using an ohm meter. |
|
| power antenna | or power antenna. | 3. Turn the unit back on. |
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| attached. |
| 4. Reconnect each amplifier remote wire to the power | |
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| ||
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| antenna lead one by one. If the amplifiers turn off | |
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| before all wires are attached, use an external relay | |
General | when buttons are | malfunctioned due to noise, | to provide | |
[RELEASE] button and remove |
| |||
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| required). |
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| Nothing happens | The microprocessor has | Turn off the power, then press the | Reset button |
| pressed. | etc. | the DCP. |
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| Press the reset button for about 2 |
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| Display is not |
| seconds with a thin rod. |
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| accurate. |
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| DCP or main unit connectors | Wipe the dirt off with a soft cloth moistened with | |
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| are dirty. | cleaning alcohol. |
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| No sound heard | The speaker protection circuit | 1. Turn down sound volume. Function can also be | |
|
| is operating. | restored by turning the power off and on again. | |
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| (Speaker volume is reduced automatically when | |
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| the speaker protection circuit operates). |
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| 2. If the sound is muted again, consult our service | |
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|
| department. |
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| No sound heard | MP3/WMA files are absent in | Write MP3/WMA files onto the disc properly. | |
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| a disc. |
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| Files are not recognized as | Use MP3/WMA files encoded properly. |
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| an MP3/WMA file. |
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| File system is not correct. | Use ISO9660 level 1, 2 or JOLIET or Romeo file | |
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| system. |
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| Sound skips or is | Compact disc is dirty. | Clean the compact disc with a soft cloth. |
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CD/MP3/WMA | noisy. | Compact disc is heavily | Replace with a compact disc with no scratches. | |
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| scratched or warped. |
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| Sound is cut or | MP3/WMA files are not | Use MP3/WMA files encoded properly. |
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| skipped. | encoded properly. |
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| Noise is |
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| generated or |
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| noise is mixed |
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| with sound. |
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| Sound is bad | Water droplets may form on | Let dry for about 1 hour with the power on. |
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| directly after | the internal lens when the car |
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| power is turned | is parked in a humid place. |
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| on. |
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| Wrong filename | File system is not correct. | Use ISO9660 level 1, 2 or JOLIET or Romeo file | |
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| system. |
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English
DB285USB 25