Equipment information:

Lenovo ThinkPad Edge E520 Notebook
Manufacturer:
Lenovo
Model: ThinkPad Edge E520
Date: 2012
Category: Computer equipment
Group: Notebook
Description:
Information:
                                    

These manuals are available for the above equipment:

Lenovo -- ThinkPad Edge E520 -- Service Manual
File name: Lenovo-4531-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 140
Size: 19.17 Mbytes (20096405 Bytes)
Language: english
Revision: Sixth edition
Manual-ID/Number: 0A60536_05
Date: October 2012
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: fa953ddfddb4f1308247c9a8ef7a286c
ed2kID: 91d352f974407e411276d5a2d2cc6370
Downloads: 316 since 28 April 2013
Information:
About this manual
This manual contains service and reference information for the following ThinkPad® products.
ThinkPad Edge E520
Machine Type (MT) 1143 and 1144
ThinkPad Edge E525
MT 1200
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important:
This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use
this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety
information” on page 1 and Chapter 2 “Important service information” on page 27.

Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Laser compliance statement (multilingual
translations) . . . . . . . . . . . . . . . . 19
Chapter 2. Important service
information . . . . . . . . . . . . . . 27
Strategy for replacing FRUs . . . . . . . . . 27
Strategy for replacing a hard disk drive . . . 28
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 28
How to use error message . . . . . . . . 28
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . . 28
Product definition . . . . . . . . . . . . 28
FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . . . 29
Chapter 3. General checkout . . . . . 31
What to do first . . . . . . . . . . . . . . 31
Checkout guide . . . . . . . . . . . . . . 32
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program . . . . . . . . . . 32
System supporting the Lenovo diagnostics
programs . . . . . . . . . . . . . . . 36
Power system checkout . . . . . . . . . . . 38
Checking the ac power adapter . . . . . . 38
Checking operational charging . . . . . . 39
Checking the battery pack . . . . . . . . 39
Checking the backup battery . . . . . . . 40
Chapter 4. Related service
information . . . . . . . . . . . . . . 41
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . . 41
Passwords . . . . . . . . . . . . . . . . 42
Power-on password . . . . . . . . . . . 42
Hard-disk password. . . . . . . . . . . 42
Supervisor password . . . . . . . . . . 43
How to remove the power-on password . . . 43
How to remove the hard-disk password . . . 43
Power management . . . . . . . . . . . . 44
Screen blank mode . . . . . . . . . . . 44
Sleep (standby) mode . . . . . . . . . . 44
Hibernation mode . . . . . . . . . . . 45
Symptom-to-FRU index . . . . . . . . . . . 45
Numeric error codes . . . . . . . . . . 46
Error messages . . . . . . . . . . . . 46
No-beep symptoms . . . . . . . . . . . 46
LCD-related symptoms . . . . . . . . . 47
Intermittent problems . . . . . . . . . . 47
Undetermined problems . . . . . . . . . 47
Chapter 5. Status indicators . . . . . 49
Chapter 6. Special keys . . . . . . . . 51
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . 53
Screw notices . . . . . . . . . . . . . . . 53
Retaining serial numbers. . . . . . . . . . . 54
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 54
Retaining the UUID . . . . . . . . . . . 55
Reading or writing the ECA information . . . 55
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . . 57
Before servicing ThinkPad Edge E520 models . . 57
1010 Battery pack . . . . . . . . . . . . . 58
1020 ExpressCard blank bezel . . . . . . . . 59
1030 Optical drive or travel cover . . . . . . . 60
1040 Bottom slot cover . . . . . . . . . . . 61
1050 Memory modules . . . . . . . . . . . 62
1060 Hard disk drive assembly . . . . . . . . 63
1070 PCI Express Mini Card for wireless LAN . . 64
1080 PCI Express Mini Card for wireless WAN for
ThinkPad Edge E520 models . . . . . . . . . 66
1080 mSATA solid state drive for ThinkPad Edge
E520 models . . . . . . . . . . . . . . . 67
1090 Backup battery . . . . . . . . . . . . 68
1110 Keyboard . . . . . . . . . . . . . . 69
1120 Top case assembly. . . . . . . . . . . 71
1130 Bluetooth daughter card . . . . . . . . 74
1140 Express sub card . . . . . . . . . . . 75
1150 Speaker assembly . . . . . . . . . . . 76
1160 System board assembly and fan assembly . 77
1170 CPU . . . . . . . . . . . . . . . . 84
1180 DC-in sub card and base cover assembly . . 85
1190 LCD unit . . . . . . . . . . . . . . . 89
2010 LCD bezel assembly . . . . . . . . . . 91
2020 Integrated camera . . . . . . . . . . . 92
2030 LCD panel, LCD cable, LCD rear cover
assembly, and hinges . . . . . . . . . . . . 93
2040 Wireless LAN antenna assembly, wireless
WAN antenna assembly, and LCD rear cover
assembly . . . . . . . . . . . . . . . . . 95
Chapter 9. Locations . . . . . . . . 101
Front view . . . . . . . . . . . . . . . . 101
Rear view. . . . . . . . . . . . . . . . . 102
Bottom view . . . . . . . . . . . . . . . 102
Chapter 10. Parts list . . . . . . . . 103
Overall . . . . . . . . . . . . . . . . . . 104
LCD FRUs . . . . . . . . . . . . . . . . 118
Keyboard . . . . . . . . . . . . . . . . . 122
Miscellaneous parts . . . . . . . . . . . . 123
ac power adapters . . . . . . . . . . . . . 123
Power cords . . . . . . . . . . . . . . . 124
Recovery discs . . . . . . . . . . . . . . 125
Windows XP Professional (32 bit) DVDs . . . 125
Windows 7 Home Basic (32 bit) DVDs. . . . 126
Windows 7 Home Basic (64 bit) DVDs. . . . 126
Windows 7 Home Premium (32 bit) DVDs . . 127
Windows 7 Home Premium (64 bit) DVDs . . 127
Windows 7 Professional (32 bit) DVDs. . . . 128
Windows 7 Professional (64 bit) DVDs. . . . 129
Common service tools . . . . . . . . . . . 130
Appendix A. Notices . . . . . . . . . 131
Electronic emission notices. . . . . . . . . . 132
Trademarks . . . . . . . . . . . . . . . . 132
Lenovo-4531-Manual-Page-1-Picture
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