Apple 520, 520C, 540, 540C

Take Apart Motherboard - 55

5 If you are replacing the

motherboard, discon-

nect the RAM card (if

installed), daughter-

board, and modem card

(if installed).

Daughterboard

Contents

Main Page General Information Repair Strategy Ordering USA Ordering Page Warranty/AppleCare/ARIS Page Page Legend for PowerBook 500 Series Screws Page PCMCIA Module Handling Page Battery Information Battery Handling Page Page Page Processor Memory Page I/O Interfaces Page I/O Devices Sound and Video Page Electrical Physical Weight Dimensions Environmental Other Page General Symptom Charts Startup Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page PCMCIA Module Page Miscellaneous Troubleshooting PowerBook 500 Series Startup Problems Flowchart/ PowerBook 500 Series Startup Problems Flowchart Troubleshooting PowerBook 500 Series Startup Problems Flowchart/PowerBook PowerBook 500 Series Startup Problems Flowchart (continued) Page Battery/PCMCIA Module Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Top Case Page Page Page Page Fuse Page Page Page Side Panels Page CPU Stiffener Page Page Page Page Motherboard Page Page Page Hard Drive Cable Page Page Page Bottom Case Page Page Page Backup Battery Page Page Trackpad Assembly Page Page Page Page Page Page Page Page Display Page Page Inverter Board Page Interconnect Board Page Page Page Page Page Clutches Page Display Rear Housing Page RAM Card Page Page Page Modem and DAA Cards Page Page Page Page Page PCMCIA Module Upgrade Page Page PB 540c Upgrade Page Page Page Page Battery Verification Page Backup Battery Verification Page AC Adapter Voltage Test Power Manager Reset Page Exploded View 1 PowerBook 500 Series P B k 500 S i