kenwood kgc 7043 issues

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merc250

Member - Posts: 17

Joined: December 26, 2007

Location: Arkansas, United States

Posted: November 20, 2009 at 11:26 PM / IP Logged

Hi all,

I recently acquired a Kenwood EQ. IT will not power up, and I am wondering if there are any known trouble spots for this in this unit. Any help is greatly appreciated.

Thanks!

i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 21, 2009 at 4:00 AM / IP Logged

I have neve seen that unit. There is a problem with bad solder joints at the power input plug on their slimmer units. I have no idea if yours uses the same plug, but it may be worth looking into. You are supplying it with constant 12v on the yellow wire and remote turn on power to the blue wire, right?

merc250

Member - Posts: 17

Joined: December 26, 2007

Location: Arkansas, United States

Posted: November 21, 2009 at 7:33 AM / IP Logged

Yes. I am bench testing it with an old PC power supply, and have twisted the blue and yellow wires together. Also have tested the power plug outputs with a meter, and the wire is ok. I will look into the solder joints. This unit is a single DIN graphic EQ and spectrum analyzer.

merc250

Member - Posts: 17

Joined: December 26, 2007

Location: Arkansas, United States

Posted: November 21, 2009 at 11:49 PM / IP Logged

Update:

On a hunch, I hooked the ground wire of my power supply to the ground screw on the back of the unit. The one intended to ground input or output RCA's. I got a powered up EQ! I guess there is a bad joint on the board for the ground. I am going to run it in this configuration.

Thanks for your suggestion I am!

blackcivichatch

Copper - Posts: 229

Joined: January 27, 2009

Location: Missouri, United States

Posted: November 22, 2009 at 12:05 AM / IP Logged

Yellow and BLUE?? Try Yellow and RED

UNLABELED Custom Car Club President

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i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 22, 2009 at 12:10 AM / IP Logged

It is either a bad solder joint on the plug, or a burnt trace between the plug and the chassis of the unit. It should be pretty easy to find. There is no red wire on the unit. Shoud be only Yellow, Blue and Black.

blackcivichatch

Copper - Posts: 229

Joined: January 27, 2009

Location: Missouri, United States

Posted: November 22, 2009 at 12:13 AM / IP Logged

Sorry, Every Wire harnes ive ever worked with is the standard yellow, red and black for power. blue for remote turn on

UNLABELED Custom Car Club President

merc250

Member - Posts: 17

Joined: December 26, 2007

Location: Arkansas, United States

Posted: November 22, 2009 at 12:30 AM / IP Logged

It is yellow, blue, black, and orange for illumination color change. Ungrounded, it is green button backlights, and grounded it is orange.

i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 22, 2009 at 3:44 AM / IP Logged

It is not a radio. The blue is remote turn on. It turns on and off just as an amp does.

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kenwood kgc 7043 issues

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