Ibm A40 TYPE 6840 Uživatelský manuál stáhnout pdf (Strana 39)

2. The speaker is secured by one tab on either side and two at the bottom. Firmly

push the speaker up from the bottom until it comes out from the tabs.

Power supply

If the power-on indicator is not on, the power supply fan is not running, or the

computer will not power-off, use the following procedures.

Check/Verify FRU/Action

Check the following for proper installation.

v Power Cord

v On/Off Switch connector

v On/Off Switch Power Supply connector

v System Board Power Supply connectors

v Microprocessor(s) connection

Reseat

Check the power-on switch for continuity. Power Cord

Check the power-on switch for continuity. Power-on Switch

20-pin main power supply connection

See “A40/A40P/A40i system board layout” on page 29 for connector locations.

Attention:

These voltages must be checked with the power supply cables connected to the system

board

Chapter 5. FRU Replacements 33

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Ibm A40 TYPE 6840 Uživatelský manuál Strana 39