Question about Earthquake Sound PH-D2 Car Audio Amplifier

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Earthquake ph 2d amplifier... there are 3 parts that have the numbers scratched off one is the pwm you gave me that number and i have replaced the mosfets and the pwm still gets hot and goes into protect i have tested everything i can think of and started replacing diodes still doing the same the only thing i can think of is the other two parts with the numbers scratched off what do you think and whould you have the numbers to those

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  • jcaudana Mar 10, 2009

    thank you a lot by your time.

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Hello their the best way to fix this amp is to send it in for factory service !
the scatched parts are kinda a company secret . thust me ..
it will take more money trying to fixing it your self..

Posted on Mar 10, 2009

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Hello luistecnico2,

Those cross-reference OK. Go to www.mouser.com and do a search on both numbers. You'll find that one of them was manufactured by STMicroelectronics and is currently obsolete. The other is manufactured by Fairchild Semiconductor and is available at a cheaper price than the original.

Hope this helps.

Jun 20, 2009 | Earthquake Sound PH-D2 Car Audio Amplifier

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Numbers on these oiecen on one earthqkaue ph d2


hello their ! those parts are a secret of earthquake you need to send the
amp for service trust me!! .. theirs nothing you can do..

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Earthquake ph-d2


The PWM IC is an SG3525. Which IC are you calling the protection IC?

Nov 02, 2007 | Earthquake Sound PH-D2 Car Audio Amplifier

1 Answer

Whats wrong


If the outputs were blown, the 20 pin HIP4080 probably needs to be replaced.

Nov 02, 2007 | Earthquake Sound PH-D2 Car Audio Amplifier

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