What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems.
| PROBLEM | POSSIBLE CAUSE | SOLUTION | |
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The power does not turn on. | The fuse has blown. | After checking for short circuits in the wires, replace the | |
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| fuse with one with the same rating. | |
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No sound can be heard, or the | Attenuator is turned on. | Turn off Attenuator. | |
volume is low. |
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The fader or balance settings are set all the way to one | Reset the fader or balance settings. | ||
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| side. |
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| The input/output wires or wiring harness are connected | Reconnect the input/output wires or the wiring harness | |
| incorrectly. | correctly. See the section on "Connecting Wires to | |
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| Terminals". | |
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| |
| The cassette tape is bad. | Try playing another cassette tape. If works fine, the first | |
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| tape was bad. |
Tape has been inserted but there is no sound/the unit will not go into tape mode.
The tape has not been inserted correctly in the unit. |
Nothing happens when the | The computer chip in the unit is not functioning normally. | Press the reset button on the unit (see p.4). | |
buttons are pressed. |
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The sound quality is poor or | The tape head is dirty. | Clean the tape head, referring to the section on "Cleaning | |
distorted. |
| the tape head" (see p.4). | |
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| One of the speaker wires is being pinched by a screw in | Check the speaker wiring. |
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| the car. |
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| The speakers are not wired correctly. | Reconnect the speaker wires so that each output |
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| terminal is connected to a different speaker. |
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Radio reception is poor. | The car antenna is not extended. | Pull the antenna out all the way. | |
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| The antenna control wire is not connected. | Connect the wire correctly, referring to the section on |
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| "Connecting Wires to Terminals". |
The memory is erased when the ignition is turned off.
The battery wire has not been connected to the proper | Connect the wire correctly, referring to the section on |
terminal. | "Connecting Wires to Terminals". |
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The ignition and battery wire are incorrectly connected. | Connect the wire correctly, referring to the section on |
| "Connecting Wires to Terminals". |