Question about Pioneer DEQ-7600 15-Band Car Equalizer

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No graphic display

Pioneer deq 7600 works fine but the graphic display is blank

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  • mdavis726 Feb 10, 2009

    i have same problem no screen display

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If blank, or some segments missing, it can be the connector to the main board, (usually a ribbon) or it can be the rubber connector electrode that links the lcd glass to the circuit board connectors. If you have the inclination, and patience, and a steady hand, and are confident... (alot of "and's" there ;-) you can take it apart, remove the LCD display, take it apart (usually by bending a few metal tabs, the thing will come out, and if you gently separate all the layers it will come apart fairly easy. Then you will see the rubber edge connector that goes to what looks like clear glass (but it actually makes contact there) to drive the segments. What you need to do is gently clean the rubber (both sides) and the gold board contacts (leave the glass display conmtacts part alone) then re-assemble the thing and you may get your display back. This symptom can happen to some LCD displays left in extreme temperature cycle enviorments, or other harsh conditions... or a garage for a few years.. You never know ...

If this does not bring it back, check the cconnectors for dirt (if face is detachable, I don't recall on that exact model if it is or not).

and then go further to the driving circuitry on the board.

Posted on Jun 12, 2009

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I have a Pioneer DEQ-7600 and every so often I have to tap my dash board in order for the display lights to come on the front of the unit, like it goes in and out every so often, thanks Nick


Nick i believe that you have a simple ground loop problem. To fix that you'll need to run a ground wire from your EQ to the body of the car. (the shorter the wire,the better the ground)

Find the ground wire (black wire) coming out of your EQ. Splice a wire into that wire,and then connect that wire to the black wire coming out of your Head Unit,and that should solve your problem.

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1 Answer

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go to crutchfield.com and type in your model.on the right side of the screen it lists whats in the box.from there you can print a diagram.

Sep 06, 2009 | Pioneer DEQ-7600 15-Band Car Equalizer

1 Answer

Need wireing diagram for pioneer deq 7600 4pin plug


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All the buttons light still on after car shut off


one of your power source wire is connect wrong and giving power when vehicle is off check your power source wiring

Jun 15, 2009 | Pioneer DEQ-7600 15-Band Car Equalizer

1 Answer

How to change the color display and brighten it up for a Pioneer deq-7600?


Here's a link to the manual in english...

http://akamaipix.crutchfield.com/Manuals/130/130DEQ7600.PDF

I read thru it, and no mention of how to do it. I do believe it can tho.

Jun 07, 2009 | Pioneer DEQ-7600 15-Band Car Equalizer

3 Answers

No sound.


As you have indicated there is no sound at all in the out-puts available.What this could probably mean the out put ic is dead.Another thing to remember is to connect the red positive wire to the standby wire which is mostly yellow in color.

Aug 14, 2008 | Pioneer DEQ-7600 15-Band Car Equalizer

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