Re: iMac G5 17" No ALS PSU bad

If I was to purchase "some" PHD101NQ03LT's from Allied, do you think they would repair this PSU? I saw on the other thread that there was also a diode that was HOT!! Same spot where mine is discolored. Are there any other problems with these? All caps look good in PSU. The logicboard had 5 puffy 12v caps.

It is boxed up ready to go but for less than $40 it might be fixed?????????????

Nah!!! Add it to your spare parts collection Toasty

Re: iMac G5 17" No ALS PSU bad

OK, 12v inner FET shorted. Checked with DMM set in diode mode. The inner FET acts different than other FET's on secondary side of board. It is also a PHD101NQ03LT.

Toasty it is headed your way!!

Re: iMac G5 17" No ALS PSU bad

I see that after looking at some pictures in the other thread. I also think the discoloration is similar to the one you were working on near the center of the board around that diode.

PM me your address and I will send this your way.

Thanks
-Kris

Re: iMac G5 17" No ALS PSU bad

Thanks for the quick info!

Will do some more research here at work tonight.

I did notice the discoloration on the botom of the board but think it may just be dust. I was in a hurry to get pictures up for you to see that I did not clean anything up very well.

Re: iMac G5 17" No ALS PSU bad

OK they went this time!!...

Re: iMac G5 17" No ALS PSU bad

Pictures of board. None of the caps look bad.

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Will try later.

Paging Toasty...

I have an older iMac G5 17" that won't start. Found 5 bulging caps on logic board. Replaced all caps on board. Still no start. Bought "used working" logic board. Still won't start. Have had LED 1 lit with original board, recapped original board, and now used board.

Checked PSU and found 5v and 24v out good without jumping. But when jumping I do not get any other voltages. I have ordered another used PSU because my kids really want the computer back, but I would like to take on the PSU challenge.

It is a Celetronix Q45A...