IBM A40p Hardware Maintenance Manual - Page 39
Power supply, 20-pin main power supply connection, Check/Verify, FRU/Action, Attention
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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 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 Check the power-on switch for continuity. Check the power-on switch for continuity. FRU/Action Reseat Power Cord 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