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Old 10th June 2009, 01:59 PM   #1
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Default About rockford fosgate 1500bd

I dont know understand why my amplifier woorks well but inside looks damage.... i want to replace my transistors where can I finded i have to know becuase if something is wrong I need to repair before kill my amplifier...actually looks lie black shot... Im talking about the transistors...
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Old 10th June 2009, 04:06 PM   #2
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Ricky did you get this amp when it was new, or did you get it second hand. if it is a second hand unit it may have had a failure at one point in time and the tech did not clean the board.

the only other way would be if the transistors that you see the black around blew open (i dont think i have ever seen this maybe some of the other guys have)

Sam
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Old 10th June 2009, 04:48 PM   #3
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If it's working well, leave it as it is.
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Old 12th June 2009, 02:06 PM   #4
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Default rocksford fosgate 1500bd

Well sam the amplifier works well but i can't believe it why... the transistors looks really bad but kick really hard also... i want to repair my amp because if the transistors has a diiferent power my amp is working with 1000 watts that's what i think..
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Old 12th June 2009, 02:06 PM   #5
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Default rockford fosgate 1500bd..

perry how you doing >?? im going to leave it for now.. but give me your recomendation about it because if my amp need more power and the damage transistors doesnt work good probably the real power is missing or something like that. for now is working good... i got eclipse titanium 12" 4 ohms per coil and ported box and songs really good... thank you guys for you help aprecciate.... sam i purcchase the amp at second hand..
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Old 12th June 2009, 04:07 PM   #6
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Ricky, if the amp is working fine there is more than likely nothing wrong with it.

It may be like i said in my first post, the amp may have burnt up at one point in time. when the amp was repaired the tech that did the repairs may not have cleaned the board thus it looks burnt still.

if something was to be wrong with it you need to keep in mind that the transistors in a fosgate are somewhat hard to remove as they are soldered to the PCB, i would not try this as my first amp to repair.

but above all, if it is working leave it alone.

that is a common amp you can get information on what ever parts burn up here on the board. I would just let it run like it is and only make repair if it quits playing.
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Old 17th June 2009, 11:38 AM   #7
woutzor is offline woutzor  Netherlands
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Our conversation has started here: Rockford Fosgate P800.2 [Repair]

Please inform us if you own the amplifier (new!) from the start or if got it second hand?
  • If you got it new: Did you ever need to service it before? Or do you have other history on the amp? Did you pushed it beyond his limit?
  • If you got it second hand: Do you know the history of the amp? Any failures or abuse?
If possible, post a picture of the area that looks damaged.
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Old 25th June 2009, 07:36 AM   #8
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Default everybody thank you guys.....

woutzor i got the transistors already and I start to fixed my amp but the only one thing is ... how can I unsoldering the mosfet or transistors of the mesha??? because they are so really hard to do it, I try but i dont know how can I start.... can you help me please because im ready to fix my amp well how do you do that on the 800.2 punch?? or I need some gun in special or some paste or regular paste flux works well.??
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Old 25th June 2009, 09:57 AM   #9
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Remove them by heating the bottom of the MEHSA strip with a small torch. Angle the torch away from the board so you don't burn it.

http://www.radioshack.com/product/in...ductId=2062753

Read the following post (#6 in the thread).

http://www.diyaudio.com/forums/showt...02#post1762302
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Old 25th June 2009, 07:37 PM   #10
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Thumbs up thank you perry !!>

you the man so i have to check the little parts aroud the power supply iodes and all this things to make sure everything is well...because they are so small I dont know how to do that but I can tri it...... thank you again one more question the little iodes has to be marked the same ohm...???
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