Apple PowerBook 140 Specifications download pdf (Page 55)

Troubleshooting Symptom Charts/Miscellaneous - 29

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 Control Panel or connect power adapter.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 165 166

PowerBook 140/145/ 1
145B/170 1
Overview 3
Display Compatibility Matrix 4
Displays 5
Active-Matrix Display 6
FSTN Display, Rev. A 7
FSTN Display, Rev. B 9
FSTN Display, Rev. C 11
Speciﬁcations 13
Introduction 14
Processor 15
Clock/Calendar 17
Disk Storage 18
I/O Interfaces 19
I/O Devices 20
Sound and Video 21
Electrical 22
Physical 23
Environmental 24
Fax/Data Modem 25
Troubleshooting 26
Power Manager Reset 28
Symptom Charts 29
Floppy Drive 41
Hard Drive 44
Peripherals 45
Internal Modem 51
Miscellaneous 55
Take Apart 57
I/O Door 62
Right Door 63
Top Case 64
Interconnect 66
Tab Fastener 66
J11 Connector 68
Release Tab 70
J9 Connector 73
Trackball 76
Assembly 76
Ribbon Cable 77
Keyboard 79
Ribbon Cables 80
Inverter Board 82
Inverter Shield 84
Brightness Pot Contrast Pot 86
Actuator Actuator 86
Interconnect Board 87
J5 Connector 88
J3 Connector 88
J2 Connector 89
Actuators 91
Elevation Feet 93
Elevation 94
Daughterboard 95
Logic Board 96
Take-Apart 96
Hex Nut Screw 100
Motherboard 100
Clutches/Display 101
Plastic Plugs 102
Display Bezel 103
EMI Shield 104
Display Housing 104
Inverter 105
Clutch Covers 105
PowerBook 140/145 111
FSTN Display 111
Adhesive 112
PowerBook 170 Active 114
Matrix Display 114
Upgrades 117
Modem Card 118
Modem Port Cover 119
Modem Card Connector 120
J8 Connector 120
RAM Expansion 122
RAM Expansion Card 123
J1 Connector 123
40 MB HDA 126
Flat Retainer 127
40 MB Hard Drive 127
Standoffs 127
80 MB HDA 128
20 MB-to-80 MB 130
Upgrades (PowerBook 130
40 MB-to-80 MB 131
140 or 170) 131
Additional Procedures 132
Battery Recharger 133
SCSI Termination 135
SCSI Terminator 136
External SCSI Device 136
Battery Handling 138
Main Battery 139
Battery Case 141
Battery 142
Verification 142
Positive Probe 144
Negative Probe 144
Adapter 145
Shim Installation 147
(Back of Display Shown) 153
Rev. A Display 155
Bulb Cover 157
Display Bulb 158
Rev. C Display 159
AM Bulb (Int’l 164
Exploded View 165

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Apple PowerBook 140 Specifications Page 55

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