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In Case of Difficulty

If you encounter a problem, please review the items in the following checklist. This guide will

 

help you isolate the problem if the unit is at

 

fault. Otherwise, make sure the rest of your

 

system is properly connected or consult your

 

authorized Alpine dealer.

 

 

 

 

 

 

 

Initial Turn-on After

 

Installation

 

 

 

Symptom

Cause and Solution

 

 

 

No function or display.

Car's ignition is off.

 

– If connected following instructions, the

 

unit will not operate with the car's ignition

 

off.

 

 

 

 

Improper power lead connections.

 

– Check power lead connections.

 

 

 

 

Blown fuse.

 

– Check the fuse on the rear panel of the

 

unit; replace with the proper value if

 

necessary.

 

 

 

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Alpine TDA-7547E, TDA-7548E owner manual Case of Difficulty, Symptom Cause and Solution