Personal Computer Hardware Maintenance Manual
Table Of Contents
- Contents
- Chapter 1. About this manual
- Chapter 2. Safety information
- Chapter 3. General information
- Chapter 4. General checkout
- Chapter 5. Diagnostics
- Chapter 6. Using the Setup Utility
- Chapter 7. Symptom-to-FRU index
- Chapter 8. Replacing FRUs
- Locations
- Opening the computer cover
- Replacing the battery
- Replacing a memory module
- Replacing the adapter card
- Replacing the front audio and USB assembly
- Replacing the heat sink
- Replacing the microprocessor
- Replacing the system board
- Replacing the system fan
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing the internal speaker
- Completing the FRU replacement
- Chapter 9. FRU lists
- Chapter 10. Additional service information
- Appendix. Notices

7479 Keyboards (Lenovo Preferred Pro PS/2 - Full Size) FRU # CRU
Swiss French/German (models 91C 91B 91H) 41A5071 1
Thailand (models 91C 91B 91H) 41A5072 1
Turkish (models 91C 91B 91H) 41A5073 1
Turkish (models 91C 91B 91H) 41A5074 1
UK English (models 91C 91B 91H) 41A5075 1
US Euro (models 91C 91B 91H) 41A5076 1
Slovenian (models 91C 91B 91H) 41A5077 1
7479 mice FRU# CRU
Optical wheel mouse (400 DPI), USB - red wheel (Primary) (models A5M A5A A5Q A5T
A5K A7M A7A A7Q A7T A7K AEM AEA AFM AFA AFQ AFT AFK AGM AGA AGQ AGT
AGK A8U A8F A9U A9F ABU ABF ACU ACF A3U A3F A3S A3P A3L A3D A3Y ADV
A1G A2G A4U A4F A4S A4P A4Y AHS AHP AHY A6U A6F 91C 91B 91H AJU AJF AKU
AKF)
41U3013 1
Optical wheel mouse (400 DPI), USB - red wheel (Secondary) (models A5M A5A A5Q A5T
A5K A7M A7A A7Q A7T A7K AEM AEA AFM AFA AFQ AFT AFK AGM AGA AGQ AGT
AGK A8U A8F A9U A9F ABU ABF ACU ACF A3U A3F A3S A3P A3L A3D A3Y ADV
A1G A2G A4U A4F A4S A4P A4Y AHS AHP AHY A6U A6F 91C 91B 91H AJU AJF AKU
AKF)
41U3030 1
7479 adapters and miscellaneous FRUs FRU # CRU
DP to DVI dongle 200 mm (models CTO 91C 91B 91H) 43N9160 1
IEEE 1394 Firewire adapter (LP) (models CTO 91C 91B 91H) 41D2781 1
Speakers (2-piece) Lenovo Logo (Primary) (models 91C 91B 91H) 41A5331 1
Speakers (2-piece) Lenovo Logo (Secondary) (models 91C 91B 91H) 41A5334 1
Speaker power brick - US, Canada, LA low voltage, ASEAN (models A8U A9U ABU ACU
A3U A4U A6U 91C 91B 91H AJU AKU)
89P8571 1
Speaker power brick - LA high voltage (non-APU) (models 91C 91B 91H) 89P8575 1
Speaker power brick - Simplified Chinese, Thailand, EMEA (models A1G A2G 91C 91B
91H)
89P8581 1
Speaker power brick - Japanese (models 91C 91B 91H) 89P8577 1
Speaker power brick - Brazilian (models 91C 91B 91H) 89P8583 1
Speaker power brick - Argentina (models 91C 91B 91H) 41A4901 1
Speaker power brick - ANZ (models A5M A7M AEM AFM AGM 91C 91B 91H) 89P8579 1
Speaker power brick - Korea (models 91C 91B 91H) 41A4903 1
Speaker power brick - Hong Kong, EMEA (models A1G A2G 91C 91B 91H) 89P8573 1
Speaker power brick -Taiwan - TC (models ADV 91C 91B 91H) 41A4905 1
Speaker power brick - India, South Africa (models A5Q A7Q AFQ AGQ 91C 91B 91H) 89P8585 1
Modem phone cable (models CTO 91C 91B 91H) 39K5120 1
Thermal grease syringe (models 91C 91B 91H) 91P8835 2
AC line cord for AC/DC power adapter - 1.0 m/3 wire (models 91C 91B 91H) 42T5004 1
AC line cord for AC/DC power adapter - 1.0 m/3 wire (models 91C 91B 91H) 42T5089 1
Soft Modem V.90/V.44 - LP (models 91C 91B 91H) 46R4220 1
Display port to VGA dongle (models) 45J9524 1
Chapter 9. FRU lists 213










