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Old 18th January 2012, 02:02 AM   #1
timwebb is offline timwebb  United States
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Default kicker kx1200.1

i just got this amp for a few bucks. the guy tried to have it repaired but that didnt happen. this is the worst i seen so far.also do anyone know what these two smd parts are?
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Last edited by timwebb; 18th January 2012 at 02:07 AM.
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Old 18th January 2012, 03:22 AM   #2
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Which two (circuit board designations)?
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Old 18th January 2012, 03:23 AM   #3
timwebb is offline timwebb  United States
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c152 and c170 on the sides of the resistor in the first picture
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Old 18th January 2012, 03:34 AM   #4
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They are ceramic capacitors. The value is likely 1uf but that's just an educated guess.
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Old 24th January 2012, 12:40 AM   #5
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Quote:
Originally Posted by Perry Babin View Post
They are ceramic capacitors. The value is likely 1uf but that's just an educated guess.

Hi Perry!

Good Day! I have this kind of amp...do you have an idea why my amp has a hizzing sound? I replaced the L500 output inductor, do I have bad filter capacitors?
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Old 24th January 2012, 01:59 AM   #6
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Quote:
Originally Posted by timwebb View Post
i just got this amp for a few bucks. the guy tried to have it repaired but that didnt happen. this is the worst i seen so far.also do anyone know what these two smd parts are?

I think the problem is that someone added too much solder and now all the pins on the transistors are making connection.
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Old 24th January 2012, 02:08 AM   #7
timwebb is offline timwebb  United States
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yea they messed it up bad. its done now. and playing
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Old 24th January 2012, 02:20 AM   #8
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So give us a list of what you replaced and had done inorder for it to work.
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Old 24th January 2012, 02:38 AM   #9
timwebb is offline timwebb  United States
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rebuilt the power supply replaced a few diodes near the drive transistors. and changed a few output drive transistors.
all i can say is mr perry is the man!
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