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Burnt mosfet IC7Max3
- Thread starter Navig
- Start date
- Joined
- Mar 27, 2004
- Location
- Pittsburgh Pennsylvania
(in the starcraft general duke voice)
Should work...
Mosfets are a pain to desolder without a high-power iron thouigh
Should work...
Mosfets are a pain to desolder without a high-power iron thouigh
OP
- Joined
- Dec 7, 2003
- Thread Starter
- #4
Well, I did actually manage to get it off. I clipped the legs so there are just nubbins left. The big foot came off, sortof, the trace pad is a little damaged, but not in too bad shape. Guess I'll start hunting for a replacement. Should I just google the part#?
OP
- Joined
- Dec 7, 2003
- Thread Starter
- #5
Well, on my other IC7Max3, the part number printed on the mosfet is: 13NO3LA XB335. Google revealed nothing.
On the burnt mosfet, I can make out the following numbers:
PHD55NO3 ?LTA ?3A5.
Google yielded some links.
Any ideas? I may just pick one, solder it in (if I can) and see what happens.
navig
On the burnt mosfet, I can make out the following numbers:
PHD55NO3 ?LTA ?3A5.
Google yielded some links.
Any ideas? I may just pick one, solder it in (if I can) and see what happens.
navig
- Joined
- Jan 10, 2003
Good luck getting one of the part you need. Unless a distributor has a product that will work, you are pretty much SOL.
You might find what you need here
http://www.farnell.com/
They have a HUGE inventory.
If that fails, then buy an old Max3 off ebay, can use it for spare parts.
http://www.farnell.com/
They have a HUGE inventory.
If that fails, then buy an old Max3 off ebay, can use it for spare parts.
OP
- Joined
- Dec 7, 2003
- Thread Starter
- #9
In a stange and unfortunate turn of events, my OTHER IC7Max3 went down the other day.
Maybe if anyone's interested, here are the strange characteristics of that one:
Already modded: extra caps, Vdimm/VTT booster circuit, Vdroop mod.
This one stopped booting, and I've noticed some very strange characteristics:
1) The Vdimm is stuck to 2.9V. I've cleared the cmos multiple times, even switched in the other cmos chip
2) The Southbridge chip gets extremely hot, I'm talking probably 60c even with a big heatsink
My next question, and is rather obvious--If I can't #2 figured out, I may steal its agp mosfet and graft it onto the first motherboard.
Anybody know how to solder a mosfet on! I assumed you would lay down some solder on the pad then use the little metal tab sticking out to heat up and melt the solder. I tried this but I couldn't get the foot hot enough to melt solder without getting the mosfet transister to crazy temperatures. I'm truly thinking this is a lost cause.
navig
Maybe if anyone's interested, here are the strange characteristics of that one:
Already modded: extra caps, Vdimm/VTT booster circuit, Vdroop mod.
This one stopped booting, and I've noticed some very strange characteristics:
1) The Vdimm is stuck to 2.9V. I've cleared the cmos multiple times, even switched in the other cmos chip
2) The Southbridge chip gets extremely hot, I'm talking probably 60c even with a big heatsink
My next question, and is rather obvious--If I can't #2 figured out, I may steal its agp mosfet and graft it onto the first motherboard.
Anybody know how to solder a mosfet on! I assumed you would lay down some solder on the pad then use the little metal tab sticking out to heat up and melt the solder. I tried this but I couldn't get the foot hot enough to melt solder without getting the mosfet transister to crazy temperatures. I'm truly thinking this is a lost cause.
navig
- Joined
- Jul 14, 2002
To keep the MOSFET (if it is a MOSFET -- apparently the 13NO3LA XB335 is an Infineon part) cool, use a soldering iron with plenty of power, like 35-40W to solder the small leads, 40-45W for the tab, so the soldering can be done quickly.
