kicker kx 650.4

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terry osborn

Copper - Posts: 54

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Joined: May 16, 2009

Location: Texas, United States

Posted: May 25, 2009 at 10:25 AM / IP Logged

I have voltage on the remote lug and the amp powers up when jumper is placed between the remote and 11-12 of the 494.

I've noticed one thing about "Experts". When one shows up,someone gets hurt!

i am an idiot

Platinum - Posts: 13,708

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: May 25, 2009 at 5:56 PM / IP Logged

You need to check Q1 using the following page. http://www.bcae1.com/repairbasicsforbcae1/images/transistortestpage01.html If Q1 is ok, we need to follow the trace on the remote terminal and see where it goes. It should go to a diode and from there maybe several other components. I really don't think we need to remove the amp from the heat sink. Is it possible to take and post a picture of the area around the 494 and the remote terminal?

terry osborn

Copper - Posts: 54

Joined: May 16, 2009

Location: Texas, United States

Posted: May 25, 2009 at 6:01 PM / IP Logged

Camera is on it way. I'll have the picture and get it posted 10 minutes or so.

I've noticed one thing about "Experts". When one shows up,someone gets hurt!

terry osborn

Copper - Posts: 54

Joined: May 16, 2009

Location: Texas, United States

Posted: May 25, 2009 at 9:25 PM / IP Logged

Pictures have been sent,let me know if they will work for you. I ran the test on the transistor at Q1,these are the results. 1=.0, 2=.9, 3=.0, 4=.9, 5=.7, 6=.8. I'm curious as to what values i should be seeing and why?

I've noticed one thing about "Experts". When one shows up,someone gets hurt!

i am an idiot

Platinum - Posts: 13,708

Joined: September 21, 2006

Location: Louisiana, United States

Posted: May 25, 2009 at 10:22 PM / IP Logged

Pictures are fine, but I still need one of the remote terminal and the area right behind it. What is the number on the transistor? What does your meter read when on diode test and the leads are not touching anything or each other?

terry osborn

Copper - Posts: 54

Joined: May 16, 2009

Location: Texas, United States

Posted: May 25, 2009 at 11:29 PM / IP Logged

Sent the pics of the remote lug and ajacent area. The numbers on the transistor UTC, B649A,CREOA. My meter shows O.L on diode test with open leads. Using a Fluke 867B Graphical multimeter.

I've noticed one thing about "Experts". When one shows up,someone gets hurt!

i am an idiot

Platinum - Posts: 13,708

Joined: September 21, 2006

Location: Louisiana, United States

Posted: May 26, 2009 at 7:07 AM / IP Logged

You can see the trace coming from the remote terminal, it goes to the resistor which goes to ground, and it also goes north under the blue capacitor. Then it connects to the jumper that is partially covered by the glue of the yellow capacitor, that jumper is positioned east to west. Can you remove the glue and see where the trace goes from there?

With the numbers of the transistor facing you, one meter lead on the right leg, the other lead on the left leg, notice the reading. Now move the left lead to the middle leg, notice the reading. Now reverse the leads and duplicate.

The trace may go under the board from that point. We may have to take the amp out of the heatsink. There are a couple of thengs to watch out for when removing the board. I will give instructions if we need to take it out.

terry osborn

Copper - Posts: 54

Joined: May 16, 2009

Location: Texas, United States

Posted: May 26, 2009 at 11:49 AM / IP Logged

The trace runs north at the end of jumper 153 (east\west) and parallels jumper 39 then appears to run under the L2 power supply and back to the F1 fuse. The test on the transistor as follows: Blk lead Lft,Rd lead Rt =.9, Blk Lead center,Rd lead Rt =.7 Reversed Rd lead left,Blk lead Rt =.8 Rd lead, Rd lead center,Blk lead Rt =.6.

I've noticed one thing about "Experts". When one shows up,someone gets hurt!

i am an idiot

Platinum - Posts: 13,708

Joined: September 21, 2006

Location: Louisiana, United States

Posted: May 26, 2009 at 2:02 PM / IP Logged

I have never noticed a fuse on that end of one of their amps, check it with your meter. When checking the transistor, you do have the meter on the diode test function? The numbers you are giving are not like any of the Fluke meters I own.

terry osborn

Copper - Posts: 54

Joined: May 16, 2009

Location: Texas, United States

Posted: May 27, 2009 at 9:52 AM / IP Logged

The reason the readings on the transistor appear foreign to you is because of operator error on my end. I seldom use this graph meter and noticed that diode test and cap test are on the same setting and one must toggle between the two.Sorry,my bad?

Maybe these will more resemble the correct values.

Lft Blk,Rt Rd =2.829

Center Blk,Rt Rd =2.763 begin 3.063 ending.

Lft Rd,Rt Blk=.630

Center Rd,Rt Blk= .03 begin 1.355 ending.

I sent a few more pictures to your e-mail, Close ups of the trace and the fuse configuration on the power end of the amp.

I've noticed one thing about "Experts". When one shows up,someone gets hurt!

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