Parts/Test Point Locations 153
Power Supply Connectors and Voltages
Refer to the following figures when checking for voltages on power supply
cable connectors.
When checking voltages, the power supply fan must be running. To power-on
the power supply without using the on/off switch, use a screwdriver or other
tool to short the connector CN4(pin10-20) for 2170 or CN2 for 2171 and 2172
(with the switch cable disconnected from the connector on the system board),
or use a connection (jumper) to short the black and green wires of the 20-pin
connector on power supply.
Pin-hole side view
Cable side view
Power Supply Output Pin Assignment
Pin
Voltage
Cable Color
1
+3.3Vdc
Orange
2
+3.3Vdc
Orange
3
Ground
Black
4
+5Vdc
Red
5
Ground
Black
6
+5Vdc
Red
7
Ground
Black
8
Power Good
Gray
9
+5Vdc
Purple
10
+12Vdc
Yellow
11
+3.3Vdc
Orange
Содержание Aptiva 2170
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Страница 184: ...150 Machine Type 2171 and 2172 System Board Jumpers and Connectors NOTE The blackened pin of a jumper represents pin 1...
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