Electronics > Repair

Call help ... My Advantest R3271 canot boot after I changed all E-CAPs

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williamlee:
Hi all,
  My Advantest R3271 cannot boot after I changed all E-CAPs of PSUs(2 BOARDS). Because of smell BBQ ...  :phew: :phew: so, I decided to open it. What I found is that 60% E-Cap has leaking.
But after E-caps changed, I put the 2 PSU back and turned the power on, I only saw the buttons light around half sound ... and then, everything is quiet, no display, smoke, and explode.  :-DD :-DD :-//
  Can any clue to me? Thanks a lot

squadchannel:
Troubleshoot the power supply on its own.
whether voltage is normally present on each power line when run by itself. :o

 :-BROKE

coppercone2:
more then likely you disturbed a very damaged trace when replacing the caps that took it out totally.

williamlee:
No display and no boot activity(buttons led just light within 0.2 second :-DD) . I tried to test each power line and it's totally not normal -// :=\ :-DD really sad, especially for a beginner like me. I am sure that the capacitor change is okay. (I did ifr 1200s)

williamlee:
I was careful and used HOKKO FR-301 for the desoldering job.  :palm: :palm:

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