Logic Board
Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. 1 Slide the logic board toward the front of the case until the board stops. 2 Gently lift the front end of the logic board and remove the board from the case. Replacement Note Before you replace the logic board, make sure the metal grounding tabs that surround the port holes on the rear of the case are not folded in front of the holes. Replacement Note Remove the SIMMs from the defective logic board...
Battery Replacement
Before you begin, remove the following Awarning Review battery handling and disposal instructions in Bulletins Safety. Caution Review ESD precautions in Bulletins Safety. Using a small flat-blade screwdriver, pry open the latch at the end of the holder and lift off the cover. 2 Grasp the battery and remove it from the holder. 3 Return the battery to Apple for proper disposal. For battery packaging and labeling instructions, refer to the safety information in Bulletins Safety.
Quadra Upgrade
Before you begin, remove the following Note The Macintosh Quadra 700 Upgrade Kit includes a Quadra 700 logic board, a new bottom case, and a new hard drive power cable. ff Upgrades Quadra 700 Upgrade - 7 Caution Review the ESD precautions in Bulletins Safety. Using the SIMM removal tool, remove the DRAM SIMMs from the old logic board and, if they are 1 20 ns SIMMS, give them to the customer. Discard the bottom case. You need not return it to Apple. 3 Insert the new Quadra 700 logic board into...
Symptom Charts
2 Plug monitor directly into wall socket, and verify that monitor has power. 5 Replace logic board. Retain customer's SIMMs. 2 Replace logic board. Retain customer's SIMMs. Does not power on screen is black, fan is not running, and LED is not lit 1 Make sure air vents on sides and top of case are unobstructed. Thermal protection circuitry may shut down system. After 30-40 minutes, system should be OK. 3 Check batteries. Refer to Battery Verification in Additional Procedures. 5 Replace logic...
Speaker Bracket and Speaker
Caution Review the ESD precautions in Bulletins Safety. Note The speaker and speaker bracket are two separate, replaceable units. To remove the speaker, you must first remove the speaker bracket. 1 Disconnect the speaker connector from the logic board. 2 Gently lift the release latch and pull back on the bracket until it comes free from the case. 3 Caution Do not push on the heavy paper part of the speaker. Gently push the speaker from the bracket.
Macintosh IIci Upgrade
Before you begin,remove the following Note The Macintosh IIci Upgrade Kit for the Macintosh IIcx includes a IIci logic board, 1 MB of 80 ns fast page mode DRAM SIMMs, a new bottom case, and a new hard drive power cable. Caution Review the ESD precautions in Bulletins Safety. 1 Using the SIMM removal tool, remove the DRAM SIMMs from the old logic board and, if they are 1 20 ns SIMMS, give them to the customer. 2 Discard the bottom case. You need not return it to Apple. 3 Insert the new Macintosh...
Power Supply
Caution Review the ESD precautions in Bulletins Safety. Note Use some force in lifting the power supply. If the power supply does not move, verify that the latch is released. Release the latch and lift the power supply from the computer. Replacement Note Make sure the lips of the power supply align with the slots in the case. Slide the power supply down until you hear a click.
Floppy Drive and Mount
Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. Note To remove the floppy drive, you must remove the drive mount. Lift the LED holder on the front of the case and pull out the LED. 2 Remove the screw from the drive mount. 3 Pull up on the paper tab and disconnect the hard drive data cable from the logic board. Disconnect the floppy drive cable and hard drive power cable from the logic board. 5 Release the latch and pull the mount toward the rear of...