Modem Card

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Note The modem card is an option for the PowerBook 1 50. 1 Pinch the release tabs and push out the modem port cover. 2 Connect the modem card connector to connector J4 on the logic board. 3 Install the two mounting screws.

Floppy Drive

Present, but internal 2 drive does not operate 3 shows Mac icon with 3 blinking X 4 Try known-good floppy disk. Check floppy drive cable connection. Replace floppy drive cable. Replace floppy drive. Replace logic board. Verify that trackball or mouse button is not stuck. Check floppy drive cable connection.

Display Bezel

Before you begin, remove the main battery. Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Using a T-8 torx driver, remove the two bezel mounting screws from the display. 3 Pull the display bezel down and away from the display and release the bezel from the mounting tabs at the top and sides 4 Lift the bezel off the display.

Power Continued

Power adapter is plugged in, but battery DA does not indicate charger is connected 1 Check battery charger connection. 2 Try known-good, charged main battery. 3 Try known-good power adapter. 1 Recharge battery or attach power adapter. 2 Verify that peripherals are low-power. 3 Reduce use of power-consuming devices or connect power adapter. 4 Try known-good, charged main battery. 5 Try known-good power adapter. Reseat battery to make sure battery is mating with contacts

Logic Board

Before you begin, remove the following RAM expansion card (if present) Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Caution The hard drive and floppy drive cables are fragile. Handle them with care. 1 Disconnect the hard drive cable from the logic board. 2 Lift up the locking tabs and disconnect the floppy drive cable from the logic board. 3 Remove the three hex nut screws and three torx screws that...

Battery Verification

Before you begin, remove the main battery. Note The Control Strip on the PowerBook 1 50 desktop is a general indicator of the battery charge. Use a voltmeter to determine the actual charge. Refer to the procedure on the next page. Awarning The main battery is a NiCad battery that contains toxic materials. Review battery handling and disposal instructions in Bulletins Safety. Set a voltmeter to the 10 volts DC scale and touch the positive and negative terminals of the battery with the positive...

Top Case

Before you begin, remove the main battery. Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Using a T-8 torx driver, remove the five torx screws from the bottom case. 2 Lift up the top case and disconnect the interconnect cable. 3 Lift off the top case and unhook the two tab fasteners from the front of the bottom case. Replacement Caution When connecting the interconnect cable, fold the cable as shown. If...

Trackball Assembly

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Caution The trackball cable is fragile and should be handled with care. 1 Pull out the locking tab on the trackball connector and disconnect the trackball cable. 2 Using a T-8 torx driver, remove the two mounting screws and lift the trackball assembly out of the top case.

Battery Handling

No preliminary steps are required before you begin this procedure. Note The PowerBookl 50 main battery is a nickel cadmium (NiCad) battery with a voltage of 5.65-7.5 volts. Its longevity is estimated at 500 power cycles. To extend its longevity, follow the battery handling guidelines on the next page. battery contains toxic materials. Review battery handling and disposal instructions in Bulletins Safety. The following are guidelines for properly handling the NiCad battery Handle the battery...

Main Battery

Before you begin, disconnect the power adapter. Note This procedure also covers removal of the main battery door. Important Before removing the main battery, use the Macintosh Shut Down command. Otherwise, all RAM contents will be lost. Awarning The main battery is a NiCad battery that contains toxic materials. Review battery handling and disposal instructions in Bulletins Safety. 2 Using the battery door as a handle, pull out the main battery. Note Complete the next steps only if you are...

Display

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Caution The display cable is fragile and should be handled with care. 1 Cover the keyboard with a clean cloth or sheet of paper. 2 Using a T-8 torx driver, remove the four display mounting screws. 3 Remove the display from the housing and EMI shield. 4 Place the display facedown on the keyboard. Using a small flat-blade...

Internal Modem Continued

Modem does not respond to incoming call 1 If computer is in sleep mode, verify that Wake On Ring option in CDEV is selected. 2 Check phone cord connection and operation. 1 Verify that Control Panel volume setting is above 0. Modem connects but does not communicate with remote modem Verify that remote modem needs error correction (error correction is internal modem default). If remote modem does not need error correction, type AT & Q0 to disable error correction.

Power Manager Reset

The battery and power adapter are proven good, but the computer will not power on. The computer will not reset after a system crash. To reset the power manager in a PowerBook 150, Remove the AC adapter and the battery. Using a paper clip, hold down the reset button on the back of the computer for 5-10 seconds. Reconnect the AC adapter and briefly push the reset button again. You should hear a small pop from the speaker. If the computer powers on, reinstall the battery. If the computer does not...

Clutches Display Housing

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Cover the keyboard with a clean cloth or sheet of paper. Using a T-8 torx driver, remove the four display mounting screws. Remove the display from the housing and EMI shield. Place the display facedown on the keyboard. 5 Pull off the three clutch covers. 6 Using a T-8 torx driver, remove the three mounting screws from...

Keyboard

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Caution The keyboard ribbon cables are fragile and should be handled with care. 1 Lift up the locking tabs on the two keyboard connectors and disconnect the keyboard cables. 2 Using a T-8 torx driver, remove the seven mounting screws and lift the keyboard out of the top case.

Interconnect Board

Before you begin, remove the following Caution The PowerBook 150 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. interconnect board contains hazardous materials. Return bad interconnect boards to Apple for proper disposal. 1 Caution The keyboard and display ribbon cables are fragile. Handle these cables with care. Lift up the locking tabs on the two keyboard connectors and disconnect the keyboard cables. 2 Note The display cable...

Adapter Verification

No preliminary steps are required before you begin this procedure. 1 Plug in the AC adapter to a wall socket. 2 Set a voltmeter to the 10 volts DC scale. 3 Touch the positive voltmeter probe to the inside of the adapter plug, and touch the negative voltmeter probe to the outside of the adapter plug. If the reading is not 7.5-7.9 volts, replace the adapter.

Hard Drive

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Caution The hard drive cable is fragile. Handle it with care. 1 Disconnect the hard drive cable from the logic board. 2 Carefully fold back the hard drive cable. 3 Using a T-8 torx driver, remove the three hard drive mounting screws. 4 Lift the hard drive out of the bottom case. Note Complete the following steps if you...

RAM Expansion Card

Before you begin, remove the following Caution The PowerBook 1 50 contains CMOS devices that are very susceptible to ESD damage. Review the ESD precautions in Bulletins Safety. Caution Handle the RAM expansion card by the edges only. Do not touch any components on the card. This procedure explains how to install the RAM expansion card kit. The kit is an option for the PowerBook 1 50 and includes a RAM expansion card, adapter, brace, and mounting screw. 1 Caution Be careful not to flex the RAM...

General Information

The PowerBook 150, shown at left, is an all-in-one notebook computer that features a 68030 processor running at 33 MHz and a 9.5 inch diagonal backlit FSTN display. The PowerBook 150 includes a 120 MB internal hard drive and supports up to six external SCSI devices through a SCSI port. The PowerBook 150 internal hard drive is based on IDE Intelligent Device Electronics technology, commonly used in DOS-compatible systems. The IDE drive functions the same as a typical SCSI hard drive it does not...