Apple PowerBook 170 Service Manual
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
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
Active Matrix
PB 170
661-0711
Inverter 699-0273 699-0271 699-0272 922-0025
Display Cable 630-6273 922-0820 630-6272 922-0820
Inverter Cable 936-0106 936-0106 936-0106 936-0106
Important:
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.
FSTN, Rev. A
PB 140/145
661-0706
The PowerBook family includes four displays—an
FSTN, Rev. B
PB 140/145
661-0681
FSTN, Rev. C
PB 145/145B
661-0745
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
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
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
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
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Service Source
Specifications
PowerBook 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 Database” from the Service Source dropdown main menu.
• Click the Acrobat toolbar icon for the database, which is near
the right end of the toolbar with the letters “SP.”
Specifications Processor - 2
Processor
140 CPU
145/145B/170 CPU
Coprocessor (170 Only)
Addressing
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 - 3
Memory
RAM
RAM 145B
ROM
PRAM
VRAM
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
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
Specifications Memory - 4
Clock/Calendar
Custom chip with long-life lithium battery
Specifications Disk Storage - 5
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 - 6
I/O Interfaces
SCSI
Apple Desktop Bus
Serial
Sound
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
Monaural sound-in port
Stereo sound-out headphone jack that plays CD audio tracks in
stereo and computer-generated sounds in mono
Specifications I/O Devices - 7
I/O Devices
Keyboard
Trackball
Microphone (140/ 145/170)
Built-in standard Apple keyboard
63 keys domestic; 64 keys ISO
Two-level tilt adjustment
30 mm diameter, dual button
ADB interface
Electret, omnidirectional
Output voltage of 4 mV, peak to peak
Specifications Sound and Video - 8
Sound and Video
Video Display 140/ 145/145B
Video Display 170
Sound Generator
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
Electrical
Main Battery
PRAM Battery
Power Adapter
Nickel cadmium (NiCad), 2.5 Ah
Provides 2-3 hours of usage before recharging
Recharge time: 3 hours
500 power cycles capacity
3 V lithium
110–240 VAC line voltage
50–60 Hz
US, Japanese, United Kingdom, Australian, and European versions
Specifications Physical - 10
Physical
Dimensions
Weight
Height: 2.25 in. (5.7 cm)
Width: 11.25 in. (28.6 cm)
Depth: 9.3 in. (23.6 cm)
6.8 lb. (3.1 kg) with battery
Specifications Environmental - 11
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Altitude
50–104° F (10–40° C)
50–140° F (10–60° C)
20–80% noncondensing
0–15,000 ft. (0–4722 m)
Specifications Other - 12
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
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Service Source
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 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 Symptom Charts/Startup - 2
Symptom Charts
Startup
RAM failure occurs
(eight-tone error
chord sequence sounds
after startup chord)
Hardware failure
occurs (four-tone
error chord sequence
sounds after startup
chord)
1 Replace RAM expansion card.
2 Replace daughterboard.
3 Replace motherboard.
1 Disconnect hard drive data cable and reboot system. If startup
sequence is normal, replace hard drive.
2 Disconnect floppy drive cable and reboot system. If startup
sequence is normal, replace floppy drive.
3 Replace motherboard.
Troubleshooting Symptom Charts/Startup
(Continued)
- 3
Screen displays
checkerboard pattern;
no startup chime
Startup
1 Reseat RAM expansion card.
2 Replace RAM expansion card.
3 Replace daughterboard.
4 Reseat display cable.
(Continued)
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 interconnect board.
8 Replace daughterboard.
9 Replace motherboard.
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