MTX Thunder302 FET problem - Page 2

Cxrazy · 2nd January 2008, 04:15 PM

Who what huh?

jol50 · 2nd January 2008, 05:36 PM

Check the gate resistors. Here is another thread about this part: http://www.diyaudio.com/forums/showthread/t-70048.html

The left pin should go to a resistor, likely the tan colored one next to each chip. When you take the mosfets out test ohms on those resistors (they will be hooked to nothing) and see if they are the same, some people recommend you put them in new as well since they don't cost hardly anything and should ensure the mosfets all share the load equally, or make output equally if outputs. If a bad mosfet shorts to the gate it can send full current up that resistor to the driver in a power supply or it looks like in yours that is the output, so like was said it can damage the differential amplifier/etc. Or it all may be fine hard to say but checking the gate resistors is easy and a good idea.

Cxrazy · 3rd January 2008, 03:24 AM

thats a good plan.

Will do

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
mtx amp problem [[help!!]]	fuzzypinkhat45	Car Audio	3	8th July 2008 05:34 AM
FRD/ZMA Problem	Twisted85	Multi-Way	5	4th December 2006 01:19 PM
p3a problem	MaXiZ	Solid State	17	16th July 2005 07:14 AM
GC amp problem	Jamh	Chip Amps	30	6th April 2004 02:50 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

2nd January 2008, 04:15 PM	#11
Cxrazy diyAudio Member Join Date: Dec 2007	Who what huh?

2nd January 2008, 05:36 PM	#12
jol50 diyAudio Member Join Date: Nov 2007	Check the gate resistors. Here is another thread about this part: http://www.diyaudio.com/forums/showthread/t-70048.html The left pin should go to a resistor, likely the tan colored one next to each chip. When you take the mosfets out test ohms on those resistors (they will be hooked to nothing) and see if they are the same, some people recommend you put them in new as well since they don't cost hardly anything and should ensure the mosfets all share the load equally, or make output equally if outputs. If a bad mosfet shorts to the gate it can send full current up that resistor to the driver in a power supply or it looks like in yours that is the output, so like was said it can damage the differential amplifier/etc. Or it all may be fine hard to say but checking the gate resistors is easy and a good idea.

3rd January 2008, 03:24 AM	#13
Cxrazy diyAudio Member Join Date: Dec 2007	thats a good plan. Will do

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)