Hi!
I got my second Zalman ZM600-HP PSU broken some time after warranty period. If I recall it correctly it was one morning blinking blue led and fan was turning on and off, computer didn't respond to power on/off button even for a second. I replaced it with other power supply and computer worked like it should.
Now I need a bit beefier spare power so instead of burning money for new PSU that propably works only a couple of years before giving up I decided to give it a try to fix this myself. Fuse seems to be ok, no obvious bloated or leaked caps an eye can spot, ESR-meter measured all but Teapo 420V 390uF input capacitor ok, no resistance between pins when soldered out, no esr reading either. This cap was slightly domed and it looked normal and felt normal in board. I ordered 390uF 450v Rubycon Capacitor 105'C 9216AW from Ebay to replace it. There was a bit brown color under caps negative pin in board and under one row of 3 legged mosfets or transistors (Q) that were screwed into long heatsink with one diode but they measured ok if I got it right.
Later I made a search for 3300uF 16V caps as well, and since I couldn't spot them at Badcaps or TheCapKing my spiderpigsenses started to tingle because they were available at ebay. A bit reading made me sure that I ain't getting real thing.
Would this cap work: 470uF/400V/105C? No idea about manufacturer thou, price is about same with other bigger caps in Mouser or Digikey but postage and packaging is way cheaper so I'm tempted to buy this instead of ordering cap from abroad.
What should I check while waiting replacement cap to arrive? I'm planning to load it with few old harddrives at bench for measuring voltages before connecting to system so in case of failure it doesnt kill too much hardware.
I got my second Zalman ZM600-HP PSU broken some time after warranty period. If I recall it correctly it was one morning blinking blue led and fan was turning on and off, computer didn't respond to power on/off button even for a second. I replaced it with other power supply and computer worked like it should.
Now I need a bit beefier spare power so instead of burning money for new PSU that propably works only a couple of years before giving up I decided to give it a try to fix this myself. Fuse seems to be ok, no obvious bloated or leaked caps an eye can spot, ESR-meter measured all but Teapo 420V 390uF input capacitor ok, no resistance between pins when soldered out, no esr reading either. This cap was slightly domed and it looked normal and felt normal in board. I ordered 390uF 450v Rubycon Capacitor 105'C 9216AW from Ebay to replace it. There was a bit brown color under caps negative pin in board and under one row of 3 legged mosfets or transistors (Q) that were screwed into long heatsink with one diode but they measured ok if I got it right.
Later I made a search for 3300uF 16V caps as well, and since I couldn't spot them at Badcaps or TheCapKing my spiderpigsenses started to tingle because they were available at ebay. A bit reading made me sure that I ain't getting real thing.
Would this cap work: 470uF/400V/105C? No idea about manufacturer thou, price is about same with other bigger caps in Mouser or Digikey but postage and packaging is way cheaper so I'm tempted to buy this instead of ordering cap from abroad.
What should I check while waiting replacement cap to arrive? I'm planning to load it with few old harddrives at bench for measuring voltages before connecting to system so in case of failure it doesnt kill too much hardware.
Attached Files
Half of the computer problems is caused by bad contacts 
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