DEI 1100d, what could be wrong?

Gsteg · 29th February 2004, 05:10 AM

I have one of those newer DEI 1100d amps (wish i had kept my older trouble-free 1100d )

well anyways. when i connected the amp up and turn on the headunit, the amp turns on for a split second, then it shuts off. Turn off the deck, turned it on again, and no lights at all.

Then I disconnected everything and left it there. Come back another time, hooked it up, and it turned on for a split second before it turns off again. I opened the amp cover and I could see no blown transistor, capacitor, etc, unless this is one of those invisible damages.

What could be wrong?

thylantyr · 1st March 2004, 05:02 AM

Blown power transisters are common on car amplifiers in general.
You need to remove them and check them. Electronics parts can
be bad even though they physically look good.

After you check all those, you might as well check the small signal
transistors that drive the output stage transistors.

Gsteg · 1st March 2004, 06:03 AM

oh man.. Wonder how many of them are in there.

I don't know how to check them. I'm not super technical like you thylantyr. lol

How about i send you the amp and u can check it out for me, and i pay you to do so.

29th February 2004, 05:10 AM	#1
Gsteg diyAudio Member Join Date: Feb 2004 Location: westminster, ca	DEI 1100d, what could be wrong? I have one of those newer DEI 1100d amps (wish i had kept my older trouble-free 1100d ) well anyways. when i connected the amp up and turn on the headunit, the amp turns on for a split second, then it shuts off. Turn off the deck, turned it on again, and no lights at all. Then I disconnected everything and left it there. Come back another time, hooked it up, and it turned on for a split second before it turns off again. I opened the amp cover and I could see no blown transistor, capacitor, etc, unless this is one of those invisible damages. What could be wrong?

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1st March 2004, 05:02 AM	#2
thylantyr diyAudio Member Join Date: Feb 2001 Location: Mars	Blown power transisters are common on car amplifiers in general. You need to remove them and check them. Electronics parts can be bad even though they physically look good. After you check all those, you might as well check the small signal transistors that drive the output stage transistors.

1st March 2004, 06:03 AM	#3
Gsteg diyAudio Member Join Date: Feb 2004 Location: westminster, ca	oh man.. Wonder how many of them are in there. I don't know how to check them. I'm not super technical like you thylantyr. lol How about i send you the amp and u can check it out for me, and i pay you to do so.

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