6. IN CASE OF DIFFICULTY
| Problem | Cause | Measure |
| Power does not turn | Fuse is blown. | Replace with a fuse of the same amperage. If |
| on. |
| the fuse blows again, consult your store of |
| (No sound is |
| purchase. |
| produced.) |
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|
| Incorrect wiring. | Consult your store of purchase. | |
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| ||
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| No sound output | Power antenna lead is | 1. Turn the unit off. |
| when operating the | shorted to ground or | 2. Remove all wires attached to the power |
| unit with amplifiers | excessive current is | antenna lead. Check each wire for a |
| or power antenna | required for | possible short to ground using an ohm |
General | attached. | the amplifiers or power | meter. |
| antenna. | 3. Turn the unit back on. | |
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| ||
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| 4. Reconnect each amplifier remote wire to the |
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| power antenna lead one by one. If the |
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| amplifiers turn off before all wires are |
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| attached, use an external relay to provide |
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| |
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| required). |
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| Nothing happens | The microprocessor has | Press the CD eject button for more than 10 |
| when buttons are | malfunctioned due to | seconds to reset. |
| pressed. | noise, etc. |
|
| Display is not |
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| accurate. |
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| Compact disc | Another compact disc is | Eject the compact disc before loading the new |
| cannot be loaded. | already loaded. | one. |
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| No sound heard | MP3 files are absent in a | Write MP3 files onto the disc properly. |
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| disc. |
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| Files are not recognized | Use MP3 files encoded properly. |
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| as an MP3 file. |
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| File system is not correct. | Use ISO9660 level 1, 2 or JOLIET or Romeo |
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| file system. |
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| Sound is cut or | MP3 files are not | Use MP3 files encoded properly. |
CD/MP3 | skipped. | encoded properly. |
|
Noise is generated |
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| |
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| |
| or noise is mixed |
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| with sound. |
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| Sound skips or is | Compact disc is dirty. | Clean the compact disc with a soft cloth. |
| noisy. |
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| Compact disc is heavily | Replace with a compact disc with no |
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| scratched or warped. | scratches. |
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| Sound is bad | Water droplets may form | Let dry for about 1 hour with the power on. |
| directly after power | on the internal lens when |
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| is turned on. | the car is parked in a |
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| humid place. |
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| Wrong filename | File system is not correct. | Use ISO9660 level 1, 2 or JOLIET or Romeo |
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| file system. |
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Tape | poor. | Playback head is dirty. | Use a cleaning tape, etc., to clean the head. |
| Sound quality is | ||
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ADB340MP/ADB341MP 19