English
9. TROUBLESHOOTING
| Problem | Cause | Measure |
| Power does not turn on. | Fuse is blown. | Replace with a fuse of the same amperage. |
| (No sound is produced) |
| If the fuse blows again, consult your store of |
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| purchase. |
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| Incorrect wiring. | Consult your store of purchase. |
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| No sound output when | Power antenna lead is | 1. Turn the unit off. |
| operating the unit with | shorted to ground or | 2. Remove all wires attached to the power an- |
| amplifiers or power an- | excessive current is re- | tenna lead. Check each wire for a possible |
| tenna attached. | quired for | short to ground using an ohm meter. |
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| amplifiers or power an- | 3. Turn the unit back on. |
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| tenna. | |
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| 4. Reconnect each amplifier remote wire to the | |
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| power antenna lead one by one. If the ampli- |
General |
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| fiers turn off before all wires are attached, |
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| use an external relay to provide | |
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| voltage (excessive current required). | |
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| Nothing happens when | The microprocessor has | Turn off the power, then press the [RELEASE] |
| button are pressed. | malfunctioned due to | button and remove the DCP. |
| Display is not accurate. | noise, etc. | Press the reset button for about 2 seconds with |
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| a thin rod. |
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| DCP or main unit connec- | Wipe the dirt off with a soft cloth moistened with |
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| tors are dirty. | cleaning alcohol. |
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| No sound heard. | The speaker protection | 1. Turn down sound volume. Function can |
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| circuit is operating. | also be restored by turning the power off |
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| and on again. (Speaker volume is reduced |
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| automatically when the speaker protection |
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| circuit operates). |
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| 2. If the sound is muted again, consult our |
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| service department. |
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22 DB566USB
