Replacement Procedure

Verify that two rubber blocks and thin metal washer are installed on the replacement logic board. If not, transfer them from the replaced board. 2. Install the EMI gaskets that came with the replacement logic board, where shown below. If not included, order the EMI gasket kit The following procedures show how to replace the thermal materials Warning Whenever the logic board is separated from the heatsink, the thermal material must be replaced. Failure to do so can cause the computer to...

The optical drive does not eject CD or DVD disc

Verify disc is not in use by quitting any applications that may be using the disc. 2. Press and hold Media Eject key at top right corner of keyboard. If that does not work, hold down Function fn key and Media Eject key. 3. Drag disc icon to trash or select it and press Command-E. 4. Choose Restart from Apple menu while holding down trackpad button. 5. Reseat the optical drive mechanism. Make sure the drive is biased toward the back of the computer. 6. Replace optical drive. See How to remove...

Wire and Flex Cables

With the very thin enclosure design and dispersed circuit board, a large number of flex cables are used in this computer. In addition, there are a variety of wire cable harnesses as well. Many of these cables carry multiple types of signals. Here is a list of the cables and the signals that run across them. If you notice a group of functions not working, it is likely that the cable is not properly inserted or the connector is damaged. AirPort Extreme Bluetooth antenna assembly in display...

The Date and Time settings reset all the time

Note Resetting the power manager or PRAM resets the date and time. Perform a Shut Down from the Apple menu. Remove the main battery and disconnect the power adapter for 10 minutes. Connect the power adapter, insert the battery, and power on the computer. If the date and time were lost the backup battery may be dead or discharged. Remove the main battery from the unit and leave the PowerBook plugged in for at least 5 hours. Note If a discharged main battery is installed in the computer,...

Ro o o oi

Powerbook Left Side

With the display open, rest the computer on one side. Remove the three screws. With the display open, rest the computer on one side. Remove the three screws. 7. Open the computer slightly and rest it with the back facing up. Remove the two top screws along the back. Note Do not remove the bottom screws. 8. Lay the computer right side up and open the display slightly past 90-degrees. 9. Remove the two hex screws at the back corners of the top case a Torx T6 can also be used . 10. Along the left...

Preliminary Steps

Before you begin, remove the following 1. With the display face down on a soft clean cloth, remove the five screws that attach the clutch cover to the bezel. 2. Replacement Note Make sure to secure the ground wire of the diversity board with the screw, as shown. 3. Place the display on its top edge so you can access the clutch cover. Replacement Note Notice the orientation of the cables at the ends of the clutch cover. When replacing the clutch cover, make sure the cables are in the same...

Apple Service Diagnostic ASD

Apple Hardware Test

Important ASD is not backward compatible with PowerBook computers prior to the PowerBook G4 1GHz 867MHz . Apple Service Diagnostic Main screen Apple Service Diagnostic Select Tests tab Apple Service Diagnostic Select Tests tab Apple Service Diagnostic Hardware Info tab f f Test Controls f Select Tests HWInfo Apple Service Diagnostic Test Log tab Test Log 06 11 02 19 01 05 TESTI1I amp STARTED - LOO 10 19 01 05 HLB.KeyLargo I2C I2C Register 19 01 09 CPU Simple FPU Test 19 01 13 Storage.Fixed...

Sleep LED does not come on when lid is closed

Put the computer to sleep using the menu option. If the sleep LED goes on, there is a problem with sensing the closed display. If the LED does not go on, skip to step 3. 2. With the display housing removed, check the sleep magnet location on the LCD panel See the LCD Panel chapter in the Take Apart section of this manual. If it is not positioned correctly, reposition it. If the magnet is missing, replace it with a new magnet. 3. Check that the sleep LED is plugged into the logic board. 4....

Procedure

Powerbook Protective Cover

Remove the two screws at the bottom corners of the display bezel. 2. Holding the display assembly up on one side, carefully push with your thumbs on the edge bead to disengage the rear housing from three tabs on the side of the bezel. Note You will not fully disengage the housing from the bezel at this point. A black stick may also be helpful to disengage the housing from the tabs. 3. Repeat step 2 on the other side of the display. 4. Use a black stick to carefully work around the bottom...

System shuts down almost immediately after startup

Disconnect all external peripherals and eject any PC card. 2. Make sure a known-good battery is fully inserted. Check battery charge and make sure that at least two LED charge indicators light, otherwise connect the adapter. The adapter should light amber when plugged in. If not, replace the adapter. 3. After charging for a while, if battery does not seem to charge, or if charged up but quickly discharges, replace the battery. Verify known-good battery. 4. Check battery connection to logic...