How can I test the Power Supply 310 W LiteOn (voltage values)?
How can I test the Power Supply or Backlight Board (voltage values)?
Power Supply 310 W (661-5972) (LiteOn)
Backlight Board 661-5980
Model: iMac 27" - Mid 2011 - 3.1 Ghz
AMD Radeon HD 6970 1Gb.
Black screen, no power beep, fans spin, cd drive sound, no led keyboards.
Board Leds Behavior:
led 1: on
led2: on
led 3:off
led 4:off
1条评论
Although it is very probably that the videocard is the person in charge of the blackout, really I would like to discard any flaw in the Power Supply and the Backlight Board.
For it it would be useful to measure the voltages
由 ned flanders 完成的