Rockford Fosgate bd 1000.1 Problem - diyAudio
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Old 6th April 2011, 01:21 PM   #1
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Default Rockford Fosgate bd 1000.1 Problem

Hi everyone, I am new to this forum. I have an account on the phoenix phorum, but I have a rockford fosgate amp with problems and I figured this would be the best place to go.

So I bought this amp for 100 bucks from a friend and he said it worked good. It looked like it hasn't been used in awhile. So I hooked it up and it seemed to play pretty well on my way home. Then I went inside to eat lunch and came back out to listen to my music and the amp went into protect and made the loud screech noise it makes when it goes into protect.

So I opened up the amp and I see that part on R45 was pretty much gone. It is black on the board. That seems to be the problem lol, but I don't know what the part is. I'm not sure if it is a diode or not. I found a picture on the net and circled what blew on my amp.

Any help is appreciated! Thanks
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Old 6th April 2011, 06:07 PM   #2
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Is it the component indicated by the arrow in the attached image?
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Old 6th April 2011, 07:03 PM   #3
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Quote:
Originally Posted by Perry Babin View Post
Is it the component indicated by the arrow in the attached image?
Yes it is. Is that a diode then? If so, what size is it?
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Old 6th April 2011, 08:57 PM   #4
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Any 1N400x (4001, 4002...) will work in that location. The question is.... what caused it to burn.

Did something in your vehicle cause it to fail or was it burned previously?
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Old 6th April 2011, 09:08 PM   #5
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Originally Posted by Perry Babin View Post
Any 1N400x (4001, 4002...) will work in that location. The question is.... what caused it to burn.

Did something in your vehicle cause it to fail or was it burned previously?
I believe it was faulty when I bought it. I never really had luck with the older Rockford amps.
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Old 6th April 2011, 09:29 PM   #6
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Does the amp screech with no RCAs plugged in?

Does either channel work properly if you only connect the speaker wires to one set of speaker terminals at a time?
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Old 6th April 2011, 09:40 PM   #7
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OEM was an IN4003.....The RCA ground pins are probably broken from the board. Everytime I find broken RCA ground pins from the board I find bad IN4003........although that one looks pretty burnt??
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Old 6th April 2011, 10:20 PM   #8
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OEM was an IN4003.....The RCA ground pins are probably broken from the board. Everytime I find broken RCA ground pins from the board I find bad IN4003........although that one looks pretty burnt??
Yeah it was toast. Half of it was gone and when I was desoldering it from the board, the rest of it crumbled.
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Old 7th April 2011, 10:39 AM   #9
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Originally Posted by lukeman269 View Post
Yeah it was toast. Half of it was gone and when I was desoldering it from the board, the rest of it crumbled.

Did you get the old part replaced, if so how was your result?
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Old 7th April 2011, 02:42 PM   #10
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Did you get the old part replaced, if so how was your result?
I ended up getting the same result. So do you think it is the RCA jacks?
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