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Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 310

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8423 FRUs Speaker Power brick - ANZ (models 42M 21A 33A 34M 35M 23M 15A 3AM 61A B4M B5M B6M) Speaker Power brick - India, South Africa (models 61Q) Speaker Power brick - Argentina (models 31S 31Y 41S 41Y 51S 51Y 21S 21Y 32S 32Y A1S A1L A1Y 39S 39L 39Y 44S 44L 44Y 45S 45Y 52S 52L 52Y 62S 62L 62Y 63S 2DS 2DY 3BS 3BY) Speaker Power brick - Korea (models B3K) RJ11 Connector adapter (Spain, Ireland) (all 'G' models) RJ11 Connector adapter (Austria) (all 'G' models) RJ11 Connector adapter (Belgium) (all 'G' models) RJ11 Connector adapter (Denmark) (all 'G' models) RJ11 Connector adapter (Norway/Finland) (all 'G' models) RJ11 Connector adapter (France) (all 'G' models) RJ11 Connector adapter (Germany) (all 'G' models) RJ11 Connector adapter (UK,NZ, HK) (all 'G' models) RJ11 Connector adapter (Italy) (all 'G' models) RJ11 Connector adapter (Netherlands) (all 'G' models) RJ11 Connector adapter (Sweden) (all 'G' models) RJ11 Connector adapter (Switzerland) (all 'G' models) FRU# 25P5705 32P3181 01R2253 88P7687 60H6043 60H6045 60H6046 60H6047 60H6048 60H6049 60H6050 60H6051 60H6052 60H6053 60H6054 60H6055 CRU * * * 8423 Keyboards (Preferred Pro Fullsize) US English (models CTO 42M 12U 21U 21A 31U 33A 34M 35M 23M 26U 13U 27G 71G 72G 15A 15G 37G 38G 3AM 61A 61Q B1G D1G E1G F1G 73G 74G 75G 76G 77G B4M B5M B6M) Arabic (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) Belgian/French (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) Belgian/UK (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) Bulgarian (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) Czech (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) Danish (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) Dutch (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) French (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) French Canadian 445 (models CTO-U) French Canadian 58 (models CTO-U) German (models CTO-G 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G) FRU# 89P8300 89P8301 89P8302 89P8303 89P8305 89P8307 89P8308 89P8309 89P8310 89P8311 89P8312 89P8313 CRU * 304 Hardware Maintenance Manual

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Strategy for replacing FRUs for CTO, CMV, and GAV products	8
Product definition	8
FRU Identification for CTO, CMV, and GAV products	8
Using PEW	8
Using eSupport	9
Using the HMM	9
Important information about replacing RoHS compliant FRUs	9
Chapter 2. Safety information	11
General safety	11
Electrical safety	11
Safety inspection guide	13
Handling electrostatic discharge-sensitive devices	14
Grounding requirements	14
Safety notices (multi-lingual translations)	15
Chapter 3. General information	47
The Access IBM program	47
Additional information resources	47
Physical specifications	47
Types 8095, 8096, 8141, 8142, 8145, 8420, and 8421	48
Types 8097, 8143, 8144, 8146, 8422, 8423 and 8427	49
Types 8098, 8171, 8172, 8173, 8424, and 8425	50
Chapter 4. General Checkout	51
Problem determination tips	52
Chapter 5. Diagnostics using PC-Doctor for DOS	55
Starting PC-Doctor from the Rescue and Recovery workspace	55
Starting PC-Doctor from a diagnostic diskette or CD-ROM	56
Diagnostics program download	56
Navigating through the diagnostics programs	56
Running diagnostics tests	56
Test selection	57
Test results	57
Fixed disk advanced test (FDAT)	57
Quick and Full erase - hard drive	59
Viewing the test log	60
Chapter 6. Using the Setup Utility	61
Starting the Setup Utility program	61
Viewing and changing settings	61
Exiting from the Setup Utility program	61
Using passwords	61
Password considerations	62
User Password	62
Administrator Password	62
IDE Drive User Password	62
IDE Drive Master Password	62
Setting, changing, and deleting a password	63
Using Security Profile by Device	63
Selecting a startup device	64
Selecting a temporary startup device	64
Changing the startup device sequence	64
Advanced settings	64
Chapter 7. Symptom-to-FRU Index	65
Hard disk drive boot error	65
Power Supply Errors	65
Diagnostic error codes	67
Beep symptoms	88
No-beep symptoms	90
POST error codes	91
Miscellaneous error messages	94
Undetermined problems	96
Chapter 8. Replacing FRUs (Types 8095, 8141, 8142, 8145, 8420, and 8421)	97
Locating controls and connectors on the front of the computer	97
Locating connectors on the rear of the computer	98
Removing the cover	98
Locating components	100
Identifying parts on the system board	101
Removing and replacing memory	102
Removing and replacing a PCI adapter	103
Removing and replacing the battery	104
Removing and replacing the power supply	105
Removing and replacing the system board	107
Removing and replacing the microprocessor	109
Removing and replacing the hard disk drive	115
Removing and replacing the optical drive	116
Removing and replacing the diskette drive	117
Removing and replacing the fan assembly	118
Closing the cover and connecting cables	119
Chapter 9. Replacing FRUs (Types 8143, 8144, 8146, 8422, 8423, and 8427)	121
Locating controls and connectors on the front of the computer	121
Locating connectors on the rear of the computer	122
Removing the cover	122
Locating components	123
Identifying parts on the system board	124
Removing and replacing memory	125
Removing and replacing a PCI adapter	126
Removing and replacing the battery	127
Removing and replacing the power supply	127
Removing and replacing the system board	130
Removing and replacing the microprocessor	132
Removing and replacing the hard disk drive	137
Removing and replacing the optical drive	138
Removing and replacing the diskette drive	139
Removing and replacing the fan assembly	140
Replacing the cover and connecting the cables	141
Chapter 10. Replacing FRUs (Types 8098, 8171, 8172, 8173, 8424, and 8425)	143
Locating controls and connectors on the front of the computer	143
Locating connectors on the rear of the computer	144
Opening the cover	144
Locating components	145
Identifying parts on the system board	146
Removing and replacing memory	147
Replacing a PCI adapter	148
Removing and replacing the battery	149
Removing and replacing the power supply	149
Removing and replacing the system board	152
Removing and replacing the microprocessor	153
Removing and replacing the hard disk drive	158
Removing and replacing the optical drive	159
Removing and replacing the diskette drive	160
Removing and replacing the fan assembly	160
Removing and replacing the internal speaker	163
Removing and replacing the power button and LED assembly	163
Closing the cover and connecting cables	165
Chapter 11. FRU lists	167
Machine Type 8095	167
Machine Type 8098	173
Machine Type 8141	178
Machine Type 8142	193
Machine Type 8143	204
Machine Type 8144	220
Machine Type 8145	230
Machine Type 8146	237
Machine Type 8171	243
Machine Type 8172	261
Machine Type 8173	271
Machine Type 8420	278
Machine Type 8421	286
Machine Type 8422	293
Machine Type 8423	304
Machine Type 8424	316
Machine Type 8425	325
Machine Type 8427	334
Chapter 12. Additional Service Information	343
Security features	343
Hardware controlled Passwords	343
Operating system password	343
Vital product data	343
Management Information Format (MIF)	343
BIOS levels	344
Flash update procedures	344
Updating (flashing) BIOS from a diskette or CD-ROM	344
Updating (flashing) BIOS from your operating system	344
Recovering from a POST/BIOS update failure	345
Power management	346
Automatic configuration and power interface (ACPI) BIOS	346
Automatic Power-On features	346
Recovering software using the Rescue and Recovery program	347
Starting the Rescue and Recovery workspace	347
Appendix. Notices	349
Television output notice	350

Match case Limit results 1 per page

8423

FRUs

FRU#

CRU

Speaker

Power

brick

ANZ

(models

42M

21A

33A

34M

35M

23M

15A

3AM

61A

B4M

B5M

B6M)

25P5705

Speaker

Power

brick

India,

South

Africa

(models

61Q)

32P3181

Speaker

Power

brick

Argentina

(models

31S

31Y

41S

41Y

51S

51Y

21S

21Y

32S

32Y

A1S

A1L

A1Y

39S

39L

39Y

44S

44L

44Y

45S

45Y

52S

52L

52Y

62S

62L

62Y

63S

2DS

2DY

3BS

3BY)

01R2253

Speaker

Power

brick

Korea

(models

B3K)

88P7687

RJ11

Connector

adapter

(Spain,

Ireland)

(all

’G’

models)

60H6043

RJ11

Connector

adapter

(Austria)

(all

’G’

models)

60H6045

RJ11

Connector

adapter

(Belgium)

(all

’G’

models)

60H6046

RJ11

Connector

adapter

(Denmark)

(all

’G’

models)

60H6047

RJ11

Connector

adapter

(Norway/Finland)

(all

’G’

models)

60H6048

RJ11

Connector

adapter

(France)

(all

’G’

models)

60H6049

RJ11

Connector

adapter

(Germany)

(all

’G’

models)

60H6050

RJ11

Connector

adapter

(UK,NZ,

HK)

(all

’G’

models)

60H6051

RJ11

Connector

adapter

(Italy)

(all

’G’

models)

60H6052

RJ11

Connector

adapter

(Netherlands)

(all

’G’

models)

60H6053

RJ11

Connector

adapter

(Sweden)

(all

’G’

models)

60H6054

RJ11

Connector

adapter

(Switzerland)

(all

’G’

models)

60H6055

8423

Keyboards

(Preferred

Pro

Fullsize)

FRU#

CRU

English

(models

CTO

42M

12U

21U

21A

31U

33A

34M

35M

23M

26U

13U

27G

71G

72G

15A

15G

37G

38G

3AM

61A

61Q

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G

B4M

B5M

B6M)

89P8300

Arabic

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8301

Belgian/French

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8302

Belgian/UK

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8303

Bulgarian

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8305

Czech

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8307

Danish

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8308

Dutch

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8309

French

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8310

French

Canadian

445

(models

CTO-U)

89P8311

French

Canadian

(models

CTO-U)

89P8312

German

(models

CTO-G

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G)

89P8313

304

Hardware

Maintenance

Manual