9. TROUBLESHOOTING
General
Tape
Problem | Cause | Measure |
Power does not | Fuse is blown. | Replace with a fuse of the same amperage. If the |
turn on. |
| fuse blows again, consult your store of purchase. |
(No sound is |
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|
|
| |
produced.) | Incorrect wiring. | Consult your store of purchase. |
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|
No sound output | Power antenna lead is | 1. Turn the unit off. |
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. |
attached. |
| 4. Reconnect each amplifier remote wire to the |
|
| power antenna lead one by one. If the amplifiers |
|
| turn off before all wires are attached, use an |
|
| external relay to provide |
|
| (excessive current required). |
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|
Nothing happens | The microprocessor has | Turn off the power, then press OPEN button 1 and |
when buttons are | malfunctioned due to noise, | remove the DCP. |
pressed. | etc. | Press the reset button for about 2 seconds with a thin |
|
| rod. |
Display is not |
| Reset button |
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| |
accurate. |
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|
| DCP or source unit | Wipe the dirt off with a soft cloth moistened with |
| connectors are dirty. | cleaning alcohol. |
Sound quality is | Playback head is dirty. | Use a cleaning tape, etc., to clean the head. |
poor. |
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| DOLBY NR button 7 is not | When listening to a tape recorded with Dolby NR, |
| pressed. | press DOLBY NR button 7 and select B NR. |
ARX7570z 23
