View Single Post
  #7   Report Post  
Posted to sci.electronics.repair
w9gb w9gb is offline
external usenet poster
 
Posts: 48
Default dead motherboards...

"Papcina" wrote in message
...
Bilo je to Sat, 19 May 2007 08:56:29 -0500, kada je poznati "w9gb"
napisao ove stvari:

You will find that the economics of the repair parts and your time -- may
not make sense.

For your overall education (and a leading cause of many failures)
http://www.badcaps.net/

http://en.wikipedia.org/wiki/Capacitor_plague


yes ano about the capacitors... but what when a mobo gives no sign of
being alive? the capacitors r fine, bios is reflashed and no visible
sign of burnt stuff? how to find an error in that case?
FETs works normally, every other bigger chip is wroking fine...

any ideas where to check more?

im sentimentaly affected to this mbo )

Most computer motherboards are 4 layer and many are 6 layer -- so problems
may be present you can not see (but testing would --- takes time -- to find
bad component,etc.) START with Power Bus and go from there.