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megael9 5th April 2010 06:19 PM

MTX Thunder 81001
Im working with a thunder 81001 that has a couple
of burt component, but I can`t get the value from some
of this parts. if some one knows this value of this or have
an schemattic of the section with this component please
help me. the components are D401,D404,D405,C408,U401
there are located by the FD3 corner. thanks in advance.

Perry Babin 5th April 2010 07:09 PM

This is an 81001.

This is a 1501 D. The image is a bit better than the photo of the 81001 above. Compare the two photos to make sure they're the same. You'll need to view the image at 100% to read the values.

megael9 22nd April 2010 11:23 PM

thanks for this images they are very good,
how ever Q405 measure 28 ohms from the
{2} together pins, please let me know if
that is right, and D405, D406 are not
in the image, please when posible let me
know if the 2 diodes are just general purpose

Perry Babin 23rd April 2010 03:14 AM

That's right for Q405. It's a jfet.

I can't locate D405/6. Where are they?

megael9 23rd April 2010 08:27 PM

they are between the 2 1000 mf at 35v caps and the 2 coils.
please let me know of a good place to get the 4 ic`s in circuit.

Perry Babin 23rd April 2010 08:49 PM

I 'think' (not sure) they're ES2D. Are they missing in your amp?

mike49504 23rd April 2010 09:48 PM


Your right They are the ES2D's for locations D405 and D406 Just checked in the amp i have sitting here

Perry Babin 23rd April 2010 10:14 PM


megael9 3rd May 2010 09:28 AM

All this Inf has been grate, My final question
I hope, Is, were can I buy Car amp parts?
specially the 4 ic chips on this one.

Perry Babin 3rd May 2010 01:37 PM

Mouser or digikey.

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