My ATX Power Supply repair

Source: Internet
Author: User
I went home today and found my computer couldn't be started.
1. Check.
The Green Line of the power supply is connected to the gray line, and the power supply has no reaction. It is determined that the power supply is faulty.
(Wake-up power is theoretically PS-ON (Green Line) Ground (black), when a friend told me that it is with a resistor gray line, I press this detection, normal power can wake up .)
2. Repair.
Check the circuit board and find that there are two virtual solder joints. After soldering the soldering iron, the power supply can be used.
I checked another useless power source that had previously been broken, and there was also a welding off, which could be used after welding.
3. Appendix
Power supply output line function list
Pin 1 2 3 4 5 6 7 8 9 10
Wire color Orange Orange Black Red Black Red Black Gray Purple Yellow
  3.3 3.3 Ground Line 5 Ground Line 5 Ground Line Power OK + 5vsb 12
Pin 11 12 13 14 15 16 17 18 19 20
Wire color Orange Blue Black Green Black Black Black White Red Red
  3.3 -12 Ground Line PS-ON Ground Line Ground Line Ground Line -5 5 5

Note: PS-ON power start signal, low-power on, high-power off.

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