Atx power supply tester user manual english benutzerhandbuch deutsch manuel utilisateur fancais manuale duso italiano h s 2 d lindy no 43058 wwwlindycom f your atx power supply must not be powered when connecting and disconnecting any of the connectors 1 once all power connections have been made switch on the. View and download ultra products atx power supply user manual online 600 watt atx power supply atx power supply power supply pdf manual download. Atx power supply 250w pfc schematicpdf 06 07 20 243 kb 58 various atx power supply 250w pfc schematic 374 partlist hts3531 12 51 94 98 w112603 v10 wlpdf partlist hts3531 12 51 94 98 w112603 v10 wlpdf 20 04 20 level item no alternativ 12nc 343 kb 2 philips partlist hts3531 12 51 94 98 w112603 v10 wl 371 atx power supply . Connect the negative probe on the multimeter black to any ground wired pin and connect the positive probe red to the first power line you want to test the 24 pin main power connector has 33 vdc 5 vdc 5 vdc optional 12 vdc and 12 vdc lines across multiple pins