Check Procedures 65
Power Supply
001 - START
ATTENTION: Check the Power Override switch, situated at the back of the
machine, just above the connector for the power cable. If this switch is
activated (switched to on), no power will be supplied to the system.
•
Power off (unplug) the system unit. Check the power cord for continuity.
Replace if necessary.
•
Check for the correct line voltage from the power outlet, and verify that the
voltage selector switch (if present) is set to the correct voltage.
•
Power on the system unit.
002 - DOES THE POWER SUPPLY FAN RUN? (YES, GO TO STEP 003.
NO, GO TO STEP 004.)
003 - DOES THE SYSTEM FAIL TO SHUT OFF WHEN THE ON/OFF
SWITCH IS PRESSED? (YES, READ AHEAD. NO, GO TO STEP 005.)
•
You might have a damaged on/off switch cable assembly.
•
Disconnect the on/off switch cable assembly connector from the power
supply connector and take an ohm reading.
•
Go to step 007.
004 -
•
Disconnect the power cord from the back of the system unit.
•
Disconnect all power and switch cable connectors from the system board
and the power supply.
•
Disconnect the power connectors to all drives.
•
Connect any one of the power connector to system board or drive as power
load for driving up power supply.
•
Reconnect the power cord and turn on the power supply.
005 - DOES THE POWER SUPPLY FAN RUN? (YES, READ AHEAD. NO,
GO TO STEP 009)
•
With the system powered on and the power supply fan running, check the
voltages of the power supply connectors for the system board and all drive
connectors, as shown in the following figures.
Summary of Contents for Aptiva 2170
Page 8: ...VI...
Page 14: ...VI...
Page 15: ...Notices VII...
Page 16: ...VIII...
Page 17: ...Notices IX...
Page 18: ...X...
Page 26: ...XVIII...
Page 27: ...Notices XIX...
Page 28: ...XX...
Page 101: ...Check Procedures 67 009 Replace the powersupply End...
Page 106: ...72...
Page 114: ...80...
Page 126: ...92 Front Panel...
Page 137: ...Repair Information 103 For Celeron CPU with FanSink...
Page 167: ...133 For Celeron CPU with FanSink...
Page 178: ...144...
Page 196: ...162 Nvidia M64 w TV Out 32MB Nvidia NV10 w TV Out 32MB...
Page 215: ...Copyright IBM Corp 1998 181 Safety Inspection Guide General Guidelines 182...
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Page 250: ...216 USB Legacy Mode 20 USB 20 V Voltage Supply Switch Settings I W Weight 27...
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