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K Service Source
PowerBook 140/145/
145B/170
PowerBook 140, PowerBook 145,
PowerBook 145B, PowerBook 170
K Service Source
Basics
PowerBook 140/145/145B/170
Basics |
Overview - 1 |
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Overview
This manual includes complete repair procedures for the PowerBook 140, PowerBook 145 and 145B, and the PowerBook 170.
Figure: PowerBook 140, 145, 145B, 170
Basics Display Compatibility Matrix - 2
Display Compatibility Matrix
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Active Matrix |
FSTN, Rev. A |
FSTN, Rev. B |
FSTN, Rev. C |
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PB 170 |
PB 140/145 |
PB 140/145 |
PB 145/145B |
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661-0711 |
661-0706 |
661-0681 |
661-0745 |
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Inverter |
699-0273 |
699-0271 |
699-0272 |
922-0025 |
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Display Cable |
630-6273 |
922-0820 |
630-6272 |
922-0820 |
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Inverter Cable |
936-0106 |
936-0106 |
936-0106 |
936-0106 |
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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, display cable, or inverter, refer to the display matrix.
Basics |
Displays - 3 |
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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 |
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Active-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 |
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FSTN Display, Rev. 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 |
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If you are replacing the |
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inverter, display cable, or |
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Rev. A display in a |
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PowerBook 140/145, use |
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these replacement parts: |
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• FSTN Display, Rev. A |
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661-0706 |
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• Inverter (blue) |
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699-0271 |
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• Display Cable |
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922-0820 |
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• Inverter Cable |
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936-0106 |
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Basics |
Displays - 7 |
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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 |
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If you are replacing the |
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inverter, display cable, or |
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Rev. B display in a |
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PowerBook 140/145, use |
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these replacement parts: |
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• FSTN Display, Rev. B |
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661-0681 |
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• Inverter (red) |
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699-0272 |
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• Display Cable |
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630-6272 |
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• Inverter Cable |
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936-0106 |
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Basics |
Displays - 9 |
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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 |
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If you are replacing the |
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inverter, display cable, or |
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Rev. C display in a |
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PowerBook 145/145B, use |
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these replacement parts: |
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• FSTN Display, Rev. C |
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661-0745 |
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• Inverter (blue) |
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922-0025 |
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• Display Cable |
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922-0820 |
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• Inverter Cable |
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936-0106 |
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K Service Source
Specifications
PowerBook 140/145/145B/170
Specifications |
Processor - 1 |
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140 CPU
145/145B/170 CPU
Coprocessor (170
Only)
Addressing
Processor
Motorola 68030 microprocessor 16 MHz
Motorola 68030 microprocessor 25 MHz
Motorola 68882 floating-point unit (FPU) 25 MHz
32-bit internal registers
32-bit address bus
32-bit data bus
Specifications Memory - 2
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Memory |
RAM |
4 MB, 2 MB installed on the daughterboard and 2 MB on an |
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expansion card |
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Expandable to 6 MB by replacing 2 MB expansion card with 4 MB |
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card |
RAM 145B
ROM
PRAM
VRAM
4 MB pseudostatic RAM (PSRAM) installed on the daughterboard Expandable to 8 MB by installing 4 MB expansion card
1 MB, expandable to 4 MB
256 bytes of parameter memory
256K of static video display memory
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Specifications |
Memory - 3 |
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Clock/Calendar |
Custom chip with long-life lithium battery |
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Specifications |
Disk Storage - 4 |
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Disk Storage
Floppy Drive
Hard Drive
19 mm high, 1.4 MB Apple SuperDrive
2.5 in., 40/80/120 MB hard drive
Specifications |
I/O Interfaces - 5 |
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Floppy Drive
SCSI
Apple Desktop Bus
Serial
I/O Interfaces
DB-19 serial port for connecting external floppy drives
HDI-30 SCSI port with 1.5 MB/sec. transfer rate Supports up to five external SCSI devices
Does not provide termination power
Apple Desktop Bus (ADB) port (maximum of three ADB devices is recommended)
200 mA maximum current draw for all ADB devices Two RS-422 serial ports; mini DIN-8 connectors
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Specifications |
I/O Interfaces - 6 |
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Sound |
Monaural sound-in port |
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Stereo sound-out headphone jack that plays CD audio tracks in |
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stereo and computer-generated sounds in mono |
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Specifications |
I/O Devices - 7 |
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I/O Devices |
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Keyboard |
Built-in standard Apple keyboard |
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63 keys domestic; 64 keys ISO |
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Two-level tilt adjustment |
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Trackball
Microphone (140/ 145/170)
30 mm diameter, dual button ADB interface
Electret, omnidirectional
Output voltage of 4 mV, peak to peak
Specifications |
Sound and Video - 8 |
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Video Display 140/ 145/145B
Video Display 170
Sound Generator
Sound and Video
10 in. (254 mm) diagonal screen
Flat-panel, film-compensated supertwist nematic (FSTN) liquid crystal display
CCFL on-demand backlight 640 by 400 pixels
10 in. (254 mm) diagonal screen
Flat-panel, active-matrix liquid crystal display CCFL on-demand backlight
640 by 400 pixels
Apple sound chip provides 8-bit sound capable of driving stereo headphones or other stereo equipment through the sound jack
Specifications |
Electrical - 9 |
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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
Power Adapter
3 V lithium
110–240 VAC line voltage 50–60 Hz
US, Japanese, United Kingdom, Australian, and European versions
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Specifications |
Physical - 10 |
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Physical |
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Dimensions |
Height: 2.25 in. (5.7 cm) |
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Width: 11.25 in. (28.6 cm) |
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Depth: 9.3 in. (23.6 cm) |
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Weight |
6.8 lb. (3.1 kg) with battery |
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Specifications |
Environmental - 11 |
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Environmental |
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Operating |
50–104° F (10–40° C) |
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Temperature |
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Storage |
50–140° F (10–60° C) |
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Temperature |
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Relative Humidity |
20–80% noncondensing |
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Altitude |
0–15,000 ft. (0–4722 m) |
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Specifications |
Other - 12 |
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Other
Fax/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
K Service Source
Troubleshooting
PowerBook 140/145/145B/170
Troubleshooting |
General/ - 1 |
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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 next cure. (Note: If you have replaced a module, reinstall the original module before you proceed to the next cure.)
If you are not sure what the problem is, or if the Symptom Charts do not resolve the problem, refer to the Flowchart for the product family.
For additional assistance, contact Apple Technical Support.
Troubleshooting |
Power Manager Reset/ - 2 |
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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 without power hooked up for 3-5 minutes.
•Using two paper clips, simultaneously hold down the reset and interrupt buttons for 5-10 seconds.
•Reinstall the battery and, if necessary, reconnect the AC adapter.
•Turn on the computer.
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Troubleshooting |
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Symptom Charts/Startup - 3 |
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Symptom Charts |
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Startup |
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RAM failure occurs |
1 |
Replace RAM expansion card. |
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(eight-tone error |
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Replace daughterboard. |
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chord sequence |
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Replace motherboard. |
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sounds after startup |
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chord) |
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Hardware failure |
1 |
Disconnect hard drive data cable and reboot system. If |
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occurs (four-tone |
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startup sequence is normal, replace hard drive. |
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error chord sequence |
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Disconnect floppy drive cable and reboot system. If startup |
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sounds after startup |
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sequence is normal, replace floppy drive. |
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chord) |
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Replace motherboard. |
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Troubleshooting |
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Symptom Charts/Startup (Continued) - 4 |
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Startup (Continued) |
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Screen displays |
1 |
Reseat RAM expansion card. |
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checkerboard pattern; |
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Replace RAM expansion card. |
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no startup chime |
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Replace daughterboard. |
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4 |
Reseat display cable. |
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