Apple 170 manual

Service Source K Po werBook 140/145/ 145B/170 PowerBook 140, PowerBook 145, PowerBook 145B, PowerBook 170[...]

Service Source K Basics Po werBook 140/145/145B/170[...]

Basics Overview - 1 Overview This manual includes complete repair procedures for the PowerBook 140, PowerBook 145 and 145B, and the PowerBook 170. Figure: Po werBook 140, 145, 145B, 170[...]

Basics Display Compatibility Matrix - 2 Display Compatibility Matrix Important: The PowerBook family includes four displays—an active matrix and three FSTN displays. Each of these displays requires a compatible inverter and display cable; the inverters, display cables, and displays are not interchangeable. Before ordering a replacement display, d[...]

Basics Displays - 3 Displays Each of the four displays requires a compatible inverter and display cable. Refer to the following pages to identify the displays.[...]

Basics Displays - 4 Activ e-Matrix Display The active-matrix display is available for the PowerBook 170 only. Use the following replacement parts with the PowerBook 170: • Active Matrix Display 661-0711 • Inverter (green) 699-0273 • Display Cable 630-6273 • Inverter Cable 936-0106[...]

Basics Displays - 5 FSTN Display , Re v . A Rev. A, B, and C FSTN displays are available for the PowerBook 140/145/ 145B. The Rev. A display has a plastic rear cover, and the display cable connector is located along the outside edge of the printed circuit board.[...]

Basics Displays - 6 If you are replacing the inverter, display cable, or Rev. A display in a PowerBook 140/145, use these replacement parts: • FSTN Display, Rev. A 661-0706 • Inverter (blue) 699-0271 • Display Cable 922-0820 • Inverter Cable 936-0106[...]

Basics Displays - 7 FSTN Display , Rev . B Rev. A, B, and C FSTN displays are available for the PowerBook 140/145/ 145B. The printed circuit board is exposed at the rear of the Rev. B display, and the display cable connector is located near the center of the board.[...]

Basics Displays - 8 If you are replacing the inverter, display cable, or Rev. B display in a PowerBook 140/145, use these replacement parts: • FSTN Display, Rev. B 661-0681 • Inverter (red) 699-0272 • Display Cable 630-6272 • Inverter Cable 936-0106[...]

Basics Displays - 9 FSTN Display , Rev . C Rev. A, B, and C FSTN displays are available for the PowerBook 140/145/ 145B. The Rev. C display has a plastic rear cover, and the display cable connector is located along the outside edge of the printed circuit board.[...]

Basics Displays - 10 If you are replacing the inverter, display cable, or Rev. C display in a PowerBook 145/145B, use these replacement parts: • FSTN Display, Rev. C 661-0745 • Inverter (blue) 922-0025 • Display Cable 922-0820 • Inverter Cable 936-0106[...]

Service Source K Specifications Po werBook 140/145/145B/170[...]

Specifications Introduction - 1 Introduction Specifications information for this product can be found in this chapter and also in the Spec Database, which you can access in one of three ways: • Launch it directly by double-clicking the Apple Spec Database runtime alias at the top level of the Main Service Source CD. • Select “Apple Spec Datab[...]

Specifications Processor - 2 Processor 140 CPU Motorola 68030 microprocessor 16 MHz 145/145B/170 CPU Motorola 68030 microprocessor 25 MHz Coprocessor (170 Only) Motorola 68882 floating-point unit (FPU) 25 MHz Addressing 32-bit internal registers 32-bit address bus 32-bit data bus[...]

Specifications Memory - 3 Memory RAM 4 MB, 2 MB installed on the daughterboard and 2 MB on an expansion card Expandable to 6 MB by replacing 2 MB expansion card with 4 MB card RAM 145B 4 MB pseudostatic RAM (PSRAM) installed on the daughterboard Expandable to 8 MB by installing 4 MB expansion card RO M 1 MB, expandable to 4 MB PRAM 256 bytes of par[...]

Specifications Memory - 4 Clock/Calendar Custom chip with long-life lithium battery[...]

Specifications Disk Storage - 5 Disk Storage Floppy Drive 19 mm high, 1.4 MB Apple SuperDrive Hard Drive 2.5 in., 40/80/120 MB hard drive[...]

Specifications I/O Interfaces - 6 I/O Interfaces SCSI HDI-30 SCSI port with 1.5 MB/sec. transfer rate Supports up to five external SCSI devices Does not provide termination power A pple Desktop Bus Apple Desktop Bus (ADB) port (maximum of three ADB devices is recommended) 200 mA maximum current draw for all ADB devices Serial Two RS-422 serial port[...]

Specifications I/O Devices - 7 I/O De vices K eyboard Built-in standard Apple keyboard 63 keys domestic; 64 keys ISO Two-level tilt adjustment T rackball 30 mm diameter, dual button ADB interface Microphone (140/ 145/170) Electret, omnidirectional Output voltage of 4 mV, peak to peak[...]

Specifications Sound and Video - 8 Sound and V ideo V ideo Display 140/ 145/145B 10 in. (254 mm) diagonal screen Flat-panel, film-compensated supertwist nematic (FSTN) liquid crystal display CCFL on-demand backlight 640 by 400 pixels V ideo Display 170 10 in. (254 mm) diagonal screen Flat-panel, active-matrix liquid crystal display CCFL on-demand b[...]

Specifications Electrical - 9 Electrical Main Battery Nickel cadmium (NiCad), 2.5 Ah Provides 2-3 hours of usage before recharging Recharge time: 3 hours 500 power cycles capacity PRAM Battery 3 V lithium Po wer Adapter 110–240 VAC line voltage 50–60 Hz US, Japanese, United Kingdom, Australian, and European versions[...]

Specifications Physical - 10 Physical Dimensions Height: 2.25 in. (5.7 cm) Width: 11.25 in. (28.6 cm) Depth: 9.3 in. (23.6 cm) W eight 6.8 lb. (3.1 kg) with battery[...]

Specifications Environmental - 11 En vironmental Operating T emperatur e 50–104° F (10–40° C) Storage T emperatur e 50–140° F (10–60° C) Relative Humidity 20–80% noncondensing Altitude 0–15,000 ft. (0–4722 m)[...]

Specifications Other - 1 2 Other F ax/Data Modem Internal 2400-baud modem with fax send at 9600 baud (includes fax send software) 300/1200/2400 bps transmission rates Serial binary and asynchronous protocols Fax communication: V.29 Error correction: V.42 and MNP 4 Data compression: V.42bis and MNP 5[...]

Service Source K Troubleshooting PowerBook 140/145/145B/170[...]

Troubleshooting General/ - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Because cures are listed on the charts in the order of most likely solution, try the first cure first. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the[...]

Troubleshooting Symptom Charts/ Startup - 2 Symptom Charts Startup RAM failure occurs (eight-tone error chord sequence sounds after startup chord) 1 Replace RAM expansion card. 2 Replace daughterboard. 3 Replace motherboard. Hardware failure occurs (four-tone error chord sequence sounds after startup chord) 1 Disconnect hard drive data cable and re[...]

Troubleshooting Symptom Charts/ Startup (Continued) - 3 Startup (Continued) Screen displays checkerboard pattern; no startup chime 1 Reseat RAM expansion card. 2 Replace RAM expansion card. 3 Replace daughterboard. 4 Reseat display cable.[...]

Troubleshooting Symptom Charts/ Power - 4 Power Screen is blank; computer doesn’t respond 1 Press reset switch. 2 Connect power adapter and reboot computer in 3–4 minutes. 3 Try known-good, charged main battery. 4 Check all interconnect board, daughterboard, and motherboard connections. 5 Reset the power manager. 6 Replace keyboard. 7 Replace i[...]

Troubleshooting Symptom Charts/ Power (Continued) - 5 Power (Continued) After removing main battery, some Control Panel settings are different 1 Replace interconnect board. 2 Replace daughterboard. 3 Replace motherboard. Power adapter is plugged in, but battery DA does not indicate charger is connected 1 Check battery charger connection. 2 Try know[...]

Troubleshooting Symptom Charts/ Power (Continued) - 6 Power (Continued) Low-power warning appears 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. 6 Replace motherboard. Comput[...]

Troubleshooting Symptom Charts/ Video - 7 Video Pixel is always white 1 PowerBook 170, active matrix display only: If there are more than five voids (pixels that are always white), or two or more voids within one inch of each other, replace display (CPRC/international repairers only) or return computer to Apple. 2 PowerBooks 140, 145, and 145B, rep[...]

Troubleshooting Symptom Charts/ Video (Continued) - 8 Video (Continued) Row or partial row of pixels never comes on or is always on 1 Add shim to display cable. Refer to Additional Procedures. 2 Replace display cable. 3 Replace FSTN display (all repairers) or replace active- matrix display (CPRC/ international repairers only). 4 Replace interconnec[...]

Troubleshooting Symptom Charts/ Video (Continued) - 9 Video (Continued) Display is very light or totally white 1 Adjust screen contrast (PowerBook 140/145/145B only). 2 Check display cable, inverter board, interconnect board, daughterboard, and motherboard connections. 3 Replace inverter board. 4 Replace interconnect board. 5 Replace display cable.[...]

Troubleshooting Symptom Charts/ Video (Continued) - 1 0 Video (Continued) No display, but computer appears to operate correctly 1 Adjust screen contrast. 2 Check display cable, inverter board, interconnect board, daughterboard, and motherboard connections. 3 Replace inverter board. 4 Replace interconnect board. 5 Add shim to display cable. Refer to[...]

Troubleshooting Symptom Charts/ Video (Continued) - 1 1 Video (Continued) Rainbow colors visible from extreme viewing angles Such colors are normal for FSTN screens (PowerBook 140/145/ 145B). Image is not uniform For FSTN screens (PowerBook 140/145/145B), irregularity in images is normal. Adjust contrast and brightness to diminish effect. For activ[...]

Troubleshooting Symptom Charts/ Video (Continued) - 1 2 Video (Continued) Backlight doesn’t operate 1 Check cables. 2 Check display cable, inverter board, interconnect board, daughterboard, and motherboard connections. 3 Replace inverter board. 4 Replace inverter display cable. 5 Replace interconnect board. 6 Add shim to display cable. Refer to A[...]

Troubleshooting Symptom Charts/ Video (Continued) - 1 3 Video (Continued) Screen goes blank 1 Press any key to wake computer from system sleep. 2 Check display cable connection. Two black horizontal lines appear; screen intermittently goes dark Add shim to display cable. Refer to Additional Procedures. Screen flickers Add shim to display cable. Ref[...]

Troubleshooting Symptom Charts/ Floppy Drive - 14 Floppy Drive Audio and video present, but internal drive does not operate 1 Try known-good floppy disk. 2 Check floppy drive cable connection. 3 Replace floppy drive cable. 4 Replace floppy drive. 5 Replace daughterboard. 6 Replace motherboard. Disk ejects while booting; display shows Mac icon with [...]

Troubleshooting Symptom Charts/ Floppy Drive (Continued) - 1 5 Floppy Drive (Continued) Disk does not eject 1 Switch off system and hold mouse button down while you switch system on. 2 Insert opened paper clip into hole beside drive. 3 Check floppy drive cable connection. 4 Replace floppy drive cable. 5 Replace floppy drive. 6 Replace daughterboard[...]

Troubleshooting Symptom Charts/ Floppy Drive (Continued) - 1 6 Floppy Drive (Continued) Read/write/copy error 1 Verify using correct media. 2 Try known-good floppy disk. 3 Install inverter shield. 4 Check floppy drive cable connection. 5 Replace floppy drive cable. 6 Replace floppy drive.[...]

Troubleshooting Symptom Charts/ Hard Drive - 17 Hard Drive Internal hard drive does not operate 1 Disconnect external SCSI devices. 2 Check internal hard drive data cable connection. 3 Use HD SC Setup to reinitialize drive. 4 Replace internal hard drive data cable. 5 Replace internal hard drive. 6 Replace motherboard.[...]

Troubleshooting Symptom Charts/ Peripherals - 18 Peripherals After connecting external SCSI device, computer doesn’t boot 1 Switch on external SCSI device before starting computer. 2 Check cable connections. 3 Verify that standard Apple terminator terminates SCSI chain at beginning and end. 4 Verify that SCSI select switch setting on external dev[...]

Troubleshooting Symptom Charts/ Peripherals (Continued) - 1 9 Peripherals (Continued) Cursor does not move when using trackball 1 Press reset switch. 2 Check interconnect board, daughterboard, and motherboard connections. 3 Try low-power mouse. If cursor moves, replace trackball or keyboard. 4 Replace interconnect board. 5 Replace daughterboard. 6 [...]

Troubleshooting Symptom Charts/ Peripherals (Continued) - 2 0 Peripherals (Continued) Cursor moves, but clicking trackball button has no effect 1 Check interconnect board, daughterboard, and motherboard connections. 2 Replace trackball. 3 Replace keyboard. 4 Replace interconnect board. 5 Replace daughterboard. 6 Replace motherboard. Cursor does not[...]

Troubleshooting Symptom Charts/ Peripherals (Continued) - 2 1 Peripherals (Continued) No response to any key on keyboard 1 Reset power manager. 2 Check connections of keyboard to interconnect board, and interconnect board to daughterboard. 3 Replace keyboard. 4 Replace interconnect board. 5 Replace daughterboard. Known-good ImageWriter, ImageWriter[...]

Troubleshooting Symptom Charts/ Peripherals (Continued) - 2 2 Peripherals (Continued) Known-good LaserWriter does not print 1 Verify that System is 7.0.1 or later. 2 Verify that Chooser and Control Panel settings are correct. 3 Check cables. 4 Replace printer interface cable. 5 Try known-good printer. If printer works, troubleshoot network. Refer t[...]

Troubleshooting Symptom Charts/ Peripherals (Continued) - 2 3 Peripherals (Continued) I/O devices are unrecognized or garbage is transmitted or received 1 Verify that System is 7.0.1 or later. 2 Check cables. 3 Verify that SCSI device has standard Apple terminator. 4 Verify that SCSI select switch setting on external device is unique. 5 Attach devi[...]

Troubleshooting Symptom Charts/ Internal Modem - 24 Internal Modem Internal modem options do not appear in CDEV 1 Remove and reseat modem card. 2 Verify that System is 7.0.1 or later. 3 Replace modem card. 4 Replace motherboard. Modem does not respond properly to AT command set instructions 1 Verify that baud rate and data format settings of commun[...]

Troubleshooting Symptom Charts/ Internal Modem (Continued) - 2 5 Internal Modem (Continued) Strange mix of characters appears onscreen 1 Verify that baud rate and data format settings of communications application are compatible with internal modem and remote modem. 2 Check phone cord connection and operation. 3 Remove and reseat modem card. 4 Veri[...]

Troubleshooting Symptom Charts/ Internal Modem (Continued) - 2 6 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. 3 Replace modem card. 4 Replace motherboard. Modem has no sound output 1 Verify that Con[...]

Troubleshooting Symptom Charts/ Internal Modem (Continued) - 2 7 Internal Modem (Continued) Modem connects but does not communicate with remote modem 1 Verify that remote modem needs error correction (error correction is internal modem default). 2 Type &Q0 to disable error correction.[...]

Troubleshooting Symptom Charts/ Miscellaneous - 28 Miscellaneous Screen goes blank and computer shuts down every few minutes Adjust sleep delays in Control Panel or connect power adapter. Application seems to run slower after few seconds Connect power adapter. Hard disk is slow to respond, or screen goes blank too often Adjust sleep delays in Contr[...]

Troubleshooting Symptom Charts/ Miscellaneous (Continued) - 2 9 Miscellaneous (Continued) No sound from speaker 1 Verify that volume setting in Control Panel is 1 or above. 2 Check connections of speaker to interconnect board, interconnect board to daughterboard, and daughterboard to motherboard. 3 Replace interconnect board. 4 Replace daughterboar[...]

Troubleshooting PowerBook 140/145/170 Startup Problems Flowchart/ PowerBook 140/145/170 Startup Problems Flowchart START Reset the power manager. Press the power button to begin the startup sequence. Do the startup tones sound? No Yes Is the startup tone normal? Yes Does any video appear? No Yes See Startup Problems in the Symptom/Cure Chart. No 1.[...]

Troubleshooting PowerBook 140/145/170 Startup Problems Flowchart/ PowerBook 140/145/170 Startup Problems Flowchart (continued) 1. Replace the daughterboard. 2. Replace the motherboard. END Does the desktop appear? No Yes No Yes No Do the trackball and keyboard function? 1. Reset the power manager. 2. Check the cables. 3. Replace the trackball (or t[...]

Service Source K T ake Apart Po werBook 140/145/145B/170[...]

Take Apart Main Battery - 1 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. Main Battery[...]

Take Apart Main Battery - 2 ± W arning: The main battery is a NICAD battery that contains toxic materials. Send undamaged, dead batteries to Apple for recycling—do not discard dead batteries with other waste. If the battery is damaged, do not return it to Apple. Dispose of damaged batteries according to local ordinances. Review battery handling [...]

Take Apart Main Battery - 3 1 Slide open the battery door. 2 Using the battery door as a handle, pull out the main battery.[...]

Take Apart Main Battery - 4 3 Slide the battery door completely open. 4 Pull the end tab until it releases and remove the door from the battery. End Tab[...]

Take Apart I/O Door - 5 I/O Door No preliminary steps are required before you begin this procedure. Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. I/O Door[...]

Take Apart I/O Door - 6 1 Open the I/O door. 2 Carefully bend the door so that the middle bows outward and unhinge the two bottom door pegs. Right Door Peg[...]

Take Apart Top Case - 7 Top Case Before you begin, remove the following: • Main battery • I/O door Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap.Review the ESD precautions in Bulletins/ Safety. Top Case[...]

Take Apart Top Case - 8 1 Note: Use a T-8 torx driver to remove the small screw from the rear connector panel and a T-10 torx driver to remove the other case screws. Remove the five torx screws from the bottom case.[...]

Take Apart Top Case - 9 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 it is not folded correctly, the cable could short. Interconnect Ribbon Cable Tab Fa[...]

Take Apart Hard Drive - 10 Hard Drive Before you begin, remove the following: • Main battery • I/O door • Top case • Modem card (if present) Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. Hard Dr[...]

Take Apart Hard Drive - 11 1 Caution: The hard drive ribbon cable is fragile. Handle it with care. Lift the locking tab on connector J11 and remove the hard drive ribbon cable from the motherboard. Locking J11 Connector Tab[...]

Take Apart Hard Drive - 12 2 Using a T-8 torx driver, remove the five screws from the drive retainer. 3 Using a jeweler’s screwdriver, release the drive retainer latch and remove the retainer.[...]

Take Apart Hard Drive - 13 4 Lift the hard drive out of the bottom case. 5 Note: If the hard drive does not have a release tab, carefully pry the cable from the drive with a screwdriver. Pull the release tab and disconnect the hard drive cable. Release Tab[...]

Take Apart Hard Drive - 14 Replacement Note: Drive retainers for 17-mm-high and 19-mm-high hard drives are not interchangeable. Check the height of the replacement drive and use the appropriate drive retainer. For hard drive upgrades, refer to Upgrades. Replacement Note: For information on returning drives, cables, and carriers to Apple, refer to A[...]

Take Apart Floppy Drive - 15 Floppy Drive Before you begin, remove the following: • Main battery • I/O door • Top case • Modem card (if present) Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/Safety. Flo[...]

Take Apart Floppy Drive - 16 1 Caution: The floppy drive ribbon cable is fragile and should be handled with care. Lift the locking tab on connector J9 and remove the floppy drive ribbon cable from the motherboard. Locking J9 Connector Tab[...]

Take Apart Floppy Drive - 17 2 Using a T-8 torx driver, remove the five torx screws from the drive retainer. 3 Using a jeweler’s screwdriver, release the drive retainer latch and remove the retainer.[...]

Take Apart Floppy Drive - 18 4 Lift the floppy drive out of the bottom case. 5 Using a jeweler’s screwdriver, push out the locking tab and remove the floppy drive ribbon cable from the drive.[...]

Take Apart Trackball Assembly - 19 Trackball Assembly Before you begin, remove the following: • Main battery • I/O door • Top case Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. Trackball Assembly[...]

Take Apart Trackball Assembly - 20 1 Caution: The trackball ribbon cable is fragile and should be handled with care. Pull out the locking tab on the trackball connector and remove the trackball ribbon cable. Trackball Ribbon Cable Locking Tab[...]

Take Apart Trackball Assembly - 21 2 Using a T-8 torx driver, remove the two mounting screws and lift the trackball assembly out of the top case.[...]

Take Apart Keyboard - 2 2 Keyboard Before you begin, remove the following: • Main battery • I/O door • Top case • Trackball assembly Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. Keyboard[...]

Take Apart Keyboard - 2 3 1 Caution: The keyboard ribbon cables are fragile and should be handled with care. Lift up the locking tabs on the two keyboard connectors and remove the keyboard ribbon cables. Keyboard Ribbon Cables[...]

Take Apart Keyboard - 2 4 2 Using a T-8 torx driver, remove the seven mounting screws and lift the keyboard out of the top case.[...]

Take Apart Inverter Board - 25 Inverter Board Before you begin, remove the following: • Main battery • I/O door • Top case Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/Safety. Inverter Board[...]

Take Apart Inverter Board - 26 Important: One active- matrix and three FSTN displays are used with the PowerBook 140/145/170 computers. Each display requires a matching inverter. When replacing a display or inverter board, refer to the “Display Compatibility Matrix” in Basics and to Service Source parts database for the correct part number for [...]

Take Apart Inverter Board - 27 1 If present, remove the inverter shield. 2 Remove the two screws and pull the inverter board straight up to disconnect it from the interconnect board. 3 Disconnect the inverter cable. Inverter Cable Inverter Shield Inverter Board[...]

Take Apart Inverter Board - 28 Replacement Note: Install inverter shields on all PowerBook 140/145/170 computers. Inverter shields are available on the Price Pages. If you are replacing a defective inverter that has an inverter shield installed, order both the inverter board and the inverter shield. Do not reuse the original inverter shield.[...]

Take Apart Inverter Board - 29 Replacement Note: For systems with FSTN displays, be sure to align the brightness and contrast pots on the inverter board with the plastic actuators on the top case. It is easiest to align the pots and actuators if you set both to their extreme outer positions. Brightness Pot Contrast Pot Inverter Board Actuator Actua[...]

Take Apart Interconnect Board - 3 0 Interconnect Board Before you begin, remove the following: • Main battery • I/O door • Top case • Inverter board Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap.Review the ESD precautions in Bulletins/ Intercon[...]

Take Apart Interconnect Board - 3 1 Safety. ± W arning: The 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 connectors J5 and J3 and remove the keyboard ribbon cable[...]

Take Apart Interconnect Board - 3 2 2 Pull out the locking tab on connector J2 and remove the display cable. Note: If you also plan to remove the display or the display cable, separate the display cable ferrite bead from the top case. You may need to use a small flat- blade screwdriver to pry off the ferrite bead. Replacement Note: Connect the disp[...]

Take Apart Interconnect Board - 3 3 3 Using a T-8 torx driver, remove the two mounting screws and lift the interconnect board from the top case.[...]

Take Apart Actuators - 3 4 Actuators Before you begin, remove the following: • Main battery • I/O door • Top case • Inverter board Caution: The PowerBook140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. Actuators[...]

Take Apart Actuators - 3 5 Note: The PowerBook 170 has a brightness actuator only (contrast is preset). The PowerBook 140 has both contrast and brightness actuators. Pull up and rotate the actuator toward the display to remove it from the top case.[...]

Take Apart Elevation Feet - 3 6 Elevation Feet Before you begin, remove the following: • Main battery • I/O door • Top case Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/Safety. Elevation Foot Elevation F[...]

Take Apart Elevation Feet - 3 7 1 Using a T-8 torx driver, remove the torx screw and washer and the spring clip from the inside of the elevation foot. 2 Pull off the elevation foot. Elevation Foot Spring Clip[...]

Take Apart Daughterboard - 3 8 Daughterboard Before you begin, remove the following: • Main battery • I/O door • Top case • RAM expansion card (if present) Daughterboard[...]

Take Apart Daughterboard - 3 9 Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/Safety. 1 Using a T-8 torx driver, remove the four daughterboard mounting screws. Caution: Always use the logic board take-apart tool[...]

Take Apart Daughterboard - 4 0 connector. Trying to disconnect the daughterboard from the motherboard by rocking or peeling the boards apart damages the connectors. 2 Using the logic board take-apart tool, disconnect the daughterboard from the motherboard. Note: For tools ordering information, refer to “Special Tools” in Bulletins/Service Notic[...]

Take Apart Motherboard - 4 1 Motherboard Before you begin, remove the following: • Main battery • I/O door • Top case • RAM expansion card (if present) • Daughterboard • Modem board (if present) Motherboard[...]

Take Apart Motherboard - 4 2 Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/Safety. 1 Caution: The hard drive, floppy drive, and thermistor cables are fragile. Handle them with care. Lift up the locking tabs and[...]

Take Apart Motherboard - 4 3 battery thermistor cables. 2 Remove the two hex nut screws and lift the motherboard out of the bottom case. Hex Nut Screw Motherboard[...]

Take Apart Clutches/Display Housing - 4 4 Clutches/Display Housing Before you begin, remove the main battery. Clutch Assembly[...]

Take Apart Clutches/Display Housing - 4 5 1 Remove the two plastic plugs. 2 Using a T-8 torx driver, remove the two bezel mounting screws from the display. Plastic Plug Plastic Plugs Screw[...]

Take Apart Clutches/Display Housing - 4 6 3 Pull the display bezel down and away to release it from the mounting tabs at the top of the display. 4 Lift the bezel off the display. Display Bezel[...]

Take Apart Clutches/Display Housing - 4 7 5 Cover the keyboard with a clean cloth or sheet of paper. 6 Using a T-8 torx driver, remove the four display mounting screws. 7 Remove the display from the housing and EMI shield. 8 Place the display face- down on the keyboard. Display EMI Shield Display Housing[...]

Take Apart Clutches/Display Housing - 4 8 9 Pull off the three clutch covers. 10 Using a T-8 torx driver, remove the three mounting screws from the left and right clutches. 1 1 Remove the left and right clutches from the display housing. Inverter Cable Right Clutch Clutch Covers[...]

Take Apart Clutches/Display Housing - 4 9 Replacement Note: Replace the short mounting screws in the top-inside clutch threadings. The top-outside threadings are used to mount the bezel. Replacement Note: To avoid pinching the inverter cable, route the cable behind the top-right corner of the hinge on the right clutch. 1 2 Remove the display housin[...]

Take Apart Display - 50 Display Before you begin, remove the main battery. Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/Safety. Display[...]

Take Apart Display - 51 Note: This topic includes separate procedures for removing the PowerBook 140/145 FSTN display and the PowerBook 170 active- matrix display. Note: The PowerBook 170 active-matrix display replacement module is available to CPRC and international repairers only.[...]

Take Apart Display - 52 1 Remove the two plastic plugs. 2 Using a T-8 torx driver, remove the two bezel mounting screws from the display. Plastic Plug Plastic Plugs Screw[...]

Take Apart Display - 53 3 Pull the display bezel down and away from the display and release the bezel from the mounting tabs at the top and sides of the display. 4 Lift the bezel off the display. Display Display Bezel[...]

Take Apart Display - 54 P owerBook 140/145 FSTN Display 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. Display EMI Shield Display Housing[...]

Take Apart Display - 55 4 Place the display face- down on the keyboard. 5 Lift the locking tab on the display connector and disconnect the display cable. 6 Caution: The PowerBook 140/145 display cable is attached to the display with adhesive near the connector and backlight ends of the cable. Carefully pry the cable off the display at these points.[...]

Take Apart Display - 56 Gently detach the display cable from the back of the display. 7 Disconnect the inverter cable from the display backlight cable. 8 Remove the display. Replacement Note: To avoid pinching the inverter cable, route the cable behind the top-right corner of the hinge on the right clutch. Inverter Cable Right Clutch Inverter Cable[...]

Take Apart Display - 57 P owerBook 170 Activ e- Matrix Display 1 Caution: The display cable is fragile and should be handled with care. Lift the locking tab on the display connector and disconnect the display cable. 2 Disconnect the inverter cable. Locking Tab Display Cable Display Cable Inverter Cable[...]

Take Apart Display - 58 3 Using a T-8 torx driver, remove the four display mounting screws. 4 Remove the display from the housing and EMI shield. Display Housing EMI Shield[...]

Take Apart Display - 59 Replacement Note: To avoid pinching the inverter cable, route the cable behind the top-right corner of the hinge on the right clutch. Inverter Cable Right Clutch[...]

Service Source K Upgrades Po werBook 140/145/145B/170[...]

Upgrades Modem Card - 1 Modem Card Before you begin, remove the following: • Main battery • I/O door • Top case Caution: The PowerBook 140/145/145B/170 contains CMOS devices that are very susceptible to ESD damage. To prevent ESD damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. Modem Card[...]

Upgrades Modem Card - 2 Note: The modem card is an option for the PowerBook 140/145/145B; the card is a standard feature on the PowerBook 170. 1 Pinch the release tabs and push out the modem port cover. Modem Port Cover Release Tabs[...]

Upgrades Modem Card - 3 2 Connect the modem card connector to motherboard connector J8. 3 Install the two mounting screws. Modem Modem Card Connector J8 Connector[...]

Upgrades Modem Card - 4 4 Affix the FCC modem label to the inside of the I/O door. Align the label with the modem port. 5 Affix the DOC label to the inside of the I/O door. Align the label with the HD-30 SCSI port. Modem Port HD-30 SCSI Port DOC Label FCC Modem Label[...]

Upgrades RAM Expansion Cards - 5 RAM Expansion Cards Before you begin, remove the following: • Main battery • I/O door • Top case Caution: The PowerBook 140/145/170 contains CMOS devices that are very susceptible to ESD damage. To prevent ESD damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins/ Safety. RAM Expansion C[...]

Upgrades RAM Expansion Cards - 6 Caution: Handle the RAM expansion card by the edges only. Do not touch any components on the card. Caution: An incorrectly installed RAM card could damage the daughterboard. Note that the J1 connector and the RAM card are keyed for proper installation. Do not force the card into the connector, thereby defeating the [...]

Upgrades RAM Expansion Cards - 7 Caution: When installing the RAM expansion card, press down on the edge of the card directly above the connector. Be careful not to apply pressure to any components or you may permanently damage the card. Connect the RAM expansion card to the expansion connector (J1) on the daughterboard.[...]

Upgrades RAM Expansion Cards - 8 Note: To verify that the upgrade is successful, check the Total Memory message (for systems with virtual memory switched off) or the Built-in Memory message (for systems with virtual memory switched on). The memory size should be 2 MB of soldered RAM plus the RAM on the expansion board. If the memory size is incorre[...]

Upgrades 40 MB HDA Upgrade - 9 40 MB HDA Upgrade Before you begin, remove the following: • Main battery • I/O door • Top case • Modem card • Hard drive Note: Apple offers the 40 MB Upgrade Kit and the 2/ 40 MB Upgrade Kit for the PowerBook 140. Both kits include the 40 MB hard drive (with standoffs), and a 19 mm retainer. (To install Hard[...]

Upgrades 40 MB HDA Upgrade - 1 0 the 4 MB PSRAM Expansion Card included with the 2/ 40 MB Upgrade Kit, refer to “RAM Expansion Cards.”) 1 Do not remove the standoffs on the 40 MB hard drive. 2 Use the flat retainer from the upgrade kit to install the 40 MB hard drive. For installation instructions, refer to “Hard Drive” in the Take Apart ch[...]

Upgrades 80 MB HDA Upgrade - 1 1 80 MB HDA Upgrade Before you begin, remove the following: • Main battery • I/O door • Top case • Modem card • Hard drive Hard Drive[...]

Upgrades 80 MB HDA Upgrade - 1 2 Note: Apple offers the 80 MB Upgrade Kit and the 4/ 80 MB Upgrade Kit for the PowerBook 140/145/170. Both kits include the 80 MB hard drive and a 17 mm retainer. Refer to the following pages to determine whether you use the 17 mm retainer shipped with the upgrade kit or the customer’s original retainer. (To instal[...]

Upgrades 80 MB HDA Upgrade - 1 3 20 MB-to-80 MB Upgrades (P owerBook 140) Use the ridged, 17 mm retainer that originally shipped with the PowerBook. For installation instructions, refer to “Hard Drive” in the Take Apart chapter. Ridged, 17 mm Retainer[...]

Upgrades 80 MB HDA Upgrade - 1 4 40 MB-to-80 MB Upgrades (P owerBook 140 or 170) Use the ridged, 17 mm retainer that shipped with the upgrade kit. For installation instructions, refer to “Hard Drive” in the Take Apart chapter.[...]

Service Source K Additional Procedures Po werBook 140/145/145B/170[...]

Additional Procedures Power Manager Reset - 1 Power Manager Reset Reset the power manager if 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 140/145/ 145B/170, • Remove the AC adapter and the battery. • Let the unit sit[...]

Additional Procedures Battery Recharger - 2 Battery Recharger No preliminary steps are required before you begin this procedure. 1 Using the PowerBook power adapter, plug the battery recharger into a power outlet and insert the main battery into the recharger. Battery Battery Recharger[...]

Additional Procedures Battery Recharger - 3 2 Track the status of the battery. If the LED is • Yellow, the battery is charging. • Green, the battery is ready to use • Off, the charger is unplugged, the battery is bad, the power adapter is defective, or the charger is defective.[...]

Additional Procedures SCSI Termination - 4 SCSI Termination Note: The PowerBook 140/145/170 do not provide SCSI termination at the logic board; remember to terminate at the beginning and end of the SCSI chain. Use the standard Apple terminator. When terminating a SCSI chain, use the guidelines that follow.[...]

Additional Procedures SCSI Termination - 5 P owerBooks W ithout an Internal Hard Dri ve 1 Add two terminators to a single external SCSI device, or 2 Add one terminator to the first device and another to the last when there are multiple devices. SCSI Terminators Single External SCSI Device[...]

Additional Procedures SCSI Termination - 6 P owerBooks W ith an Internal Hard Dri ve 1 Add one terminator to a single external SCSI device, or 2 Add one terminator to the first device and another to the last when there are multiple devices. SCSI Terminator External SCSI Device[...]

Additional Procedures Battery Handling - 7 Battery Handling The PowerBook140/145/ 170 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 instructions. ± W arning: The main battery contains toxic materials. Send und[...]

Additional Procedures Battery Handling - 8 waste. If the battery is damaged, do not return it to Apple. Dispose of damaged batteries according to local ordinances. Review battery handling and disposal instructions in Bulletins/ Safety. Follow the guidelines for properly handling the NiCad battery: • Store the battery in the protective battery cas[...]

Additional Procedures Battery Handling - 9 the battery. • Fully charge a replacement battery before using it; Apple ships batteries in a partially-charged state. • Do not leave the battery in the computer for longer than two weeks without plugging in the power adaptor. • Completely discharge and recharge the battery once a month. • Do not s[...]

Additional Procedures Battery Verification - 10 Battery Verification Before you begin, remove the main battery. Note: The battery desk accessory is a general indicator of the battery charge. Use a voltmeter to determine the actual charge. ± W arning: The main battery is a NiCad battery that contains toxic materials. Send undamaged, dead batteries [...]

Additional Procedures Battery Verification - 11 dead batteries with other waste. If the battery is damaged, do not return it to Apple. Dispose of damaged batteries according to local ordinances. Review battery handling and disposal instructions in Bulletins/Safety.[...]

Additional Procedures Battery Verification - 12 Set a voltmeter to the 10 volts DC scale and touch the positive and negative terminals of the battery with the positive and negative voltmeter probes. If the reading is not above 5.7 volts, recharge (first) or replace the battery. Positive Probe Negative Probe[...]

Additional Procedures Adapter Verification - 1 3 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. Negative Probe Positive Probe Adapter Plug[...]

Additional Procedures Adapter Verification - 1 4 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.[...]

Additional Procedures Display Cable Shim Installation - 15 Display Cable Shim Installation Before you begin, remove the main battery. Note: Some PowerBook 140/145/170 displays may flicker, intermittently go black, or display two horizontal black lines. If you encounter any of these problems, try squeezing the right side of the display bezel. If squ[...]

Additional Procedures Display Cable Shim Installation - 16 Note: Do not install a shim onto a display cable that has been stamped with part number 922-0820. Display Cable[...]

Additional Procedures Display Cable Shim Installation - 17 1 Remove the two plastic plugs. 2 Using a T-8 torx driver, remove the two bezel mounting screws from the display. Screw Plastic Plug Plastic Plugs[...]

Additional Procedures Display Cable Shim Installation - 18 3 Pull the display bezel down and away to release it from the mounting tabs at the top of the display. 4 Lift the bezel off the display. Display Bezel[...]

Additional Procedures Display Cable Shim Installation - 19 Note: If you are installing a shim on a PowerBook 170 display cable, skip to step 8. You can disconnect the display cable from the PowerBook 170 display without removing the display from the housing. 5 Cover the keyboard with a clean cloth or sheet of paper. 6 Using a T-8 torx driver, remov[...]

Additional Procedures Display Cable Shim Installation - 20 7 Remove the display from the EMI shield and housing. Place the display face-down on the keyboard. Note: The PowerBook 145 display is shown. 8 Lift the locking tab on the display connector and disconnect the display cable. Lockin g Tab (Back of Display Shown)[...]

Additional Procedures Display Cable Shim Installation - 21 9 Remove the clear shim from its paper backing. 1 0 Turn back the display cable and press the shim onto the back (the non- conductive side) of the display cable connector. Make sure that the shim is unwrinkled and flush with the edges of the cable and that it does not cover the connector tr[...]

Additional Procedures Rev. A Display Bulb - 2 2 Rev. A Display Bulb Before you begin, remove the following: • Main battery • Display ± W arning: CCFL bulbs are thin and break easily. Handle them with care, especially at the delicate solder joints at the ends of the bulbs. Caution: To prevent ESD damage to components, wear a grounding wriststra[...]

Additional Procedures Rev. A Display Bulb - 2 3 Review the ESD precautions in Bulletins/Safety. Note: Bulb kits are available for Rev. A and Rev. C displays for the PowerBook 140 and 145. This procedure includes steps for replacing the backlight bulb in a Rev. A display. 1 Place the display face- down on a soft workbench pad. 2 Using a #1 cross-tip[...]

Additional Procedures Rev. A Display Bulb - 2 4 screws. Replacement Caution: Improperly installed self- threading screws could damage the display. Do not overtighten them. 3 Lift the plastic display bulb cover and back it off the display. Replacement Note: When replacing the cover, insert the three cover tabs in the display slots. 4 Remove the two [...]

Additional Procedures Rev. A Display Bulb - 2 5 Note: If necessary, remove the inverter cable from the display bulb cable. Install the inverter cable on the replacement bulb cable. Replacement Note: When replacing the bulb, make sure the longer, white cable is placed in the outside channel.[...]

Additional Procedures Rev. C Display Bulb - 26 Rev. C Display Bulb Before you begin, remove the following: • Main battery • Display ± W arning: CCFL bulbs are thin and break easily. Handle them with care, especially at the delicate solder joints at the ends of the bulbs. Caution: To prevent ESD damage to components, wear a grounding wriststrap[...]

Additional Procedures Rev. C Display Bulb - 27 Review the ESD precautions in Bulletins/Safety. Note: Bulb kits are available for Rev. A and Rev. C displays for the PowerBook 140 and 145. This procedure includes steps for replacing the backlight bulb in a Rev. C display. 1 Place the display face- down on a soft workbench pad. 2 Remove the two cables[...]

Additional Procedures Rev. C Display Bulb - 28 4 Remove the remaining length of the cables from the channels. 5 Using a #1 cross-tip screwdriver, remove the four self-threading screws. Replacement Caution: Improperly installed self- threading screws could damage the display. Do not overtighten them. 6 Remove the plastic display bulb cover. 7 Remove[...]

Additional Procedures Rev. C Display Bulb - 29 Replacement Note: When replacing the new bulb, make sure the cables are in the same position as the previous bulb’s cables. Display Bulb[...]

Additional Procedures A M Bulb (International Only) - 30 AM Bulb (International Only) Note: For CPRC and international repairers only, refer to Hardware/Service Manuals/PowerBooks for procedures for replacing a bad backlight bulb in the PowerBook 170 active-matrix display.[...]

Service Source K Exploded V ie w Po werBook 140/145/145B/170[...]

Exploded View 1 Exploded View Modem* 661-1621 Rubber Foot 815-1236 Drive Retainer 922-0009 (17 mm) 922-0006 (19 mm) Trackball Assembly 661-1515 Elevation Foot 815-1278 (Left) 922-1691 (Right) External Battery Recharger 076-0567 Brightness Actuator 815-1248 Floppy Drive 661-1651 Hard Drive* 661-1298[...]