To check if the power supply is working, use a multimeter at the following locations on the power supply unit.
Test the voltages on the ends of the connectors coming from the power supply unit. The following table lists the power connectors.
REF. D. | PIN NO. | SIGNAL | WIRE COLOR |
|---|---|---|---|
P1 | 1 | +3.3V | ORANGE |
2 | +3.3V | ORANGE | |
3 | COM | BLACK | |
4 | +5V | RED | |
5 | COM | BLACK | |
6 | +5V | RED | |
7 | COM | BLACK | |
8 | PW-OK | GRAY | |
9 | +5Vab | PURPLE | |
10 | +12V | YELLOW | |
11 | +12V | YELLOW | |
12 | +3.3V | ORANGE | |
13 | +3.3V | ORANGE | |
+3.3VS | BROWN | ||
14 | -12V | BLUE | |
15 | COM | BLACK | |
16 | PS-ON | GREEN | |
17 | COM | BLACK | |
18 | COM | BLACK | |
19 | COM | BLACK | |
20 | - | - | |
21 | +5V | RED | |
22 | +5V | RED | |
23 | +5V | RED | |
24 | COM | BLACK | |
P2 | 1 | COM | BLACK |
2 | COM | BLACK | |
3 | +12V | YELLOW | |
4 | +12V | YELLOW |