
Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Read this first: Important
safety information . . . . . . . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 3
Handling electrostatic discharge-sensitive
devices . . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices . . . . . . . . . . . . . . . . 4
Chapter 2. Environment and
electrical input . . . . . . . . . . . . . . 7
Chapter 3. General Checkout . . . . . . 9
Chapter 4. Using the Setup Utility
program . . . . . . . . . . . . . . . . 11
Selecting a startup device . . . . . . . . . . . 12
Exiting the Setup Utility program . . . . . . . . 13
Chapter 5. Symptom-to-FRU
Index . . . . . . . . . . . . . . . . . . 15
Hard disk drive boot error . . . . . . . . . . . 15
Power Supply Problems . . . . . . . . . . . 15
POST error codes . . . . . . . . . . . . . . 16
Undetermined problems . . . . . . . . . . . 16
Chapter 6. Hardware locations . . . . 17
Overview . . . . . . . . . . . . . . . . . 17
Major FRUs and CRUs . . . . . . . . . . . . 20
Parts on the system boards . . . . . . . . . . 23
Chapter 7. Installing or replacing
hardware . . . . . . . . . . . . . . . . 27
Handling static-sensitive devices . . . . . . . . 27
Installing or replacing hardware
Removing the computer stand base . . . . . 27
Removing the rear cover
Replacing the speakers . . . . . . . . . . 30
Replacing the hard disk drive . . . . . . . . 30
Replacing the optical drive . . . . . . . . . 31
Replacing the middle frame . . . . . . . . 32
Replacing the fan . . . . . . . . . . . . 33
Replacing the system board frame
Replacing the hard disk drive cable . . . . . 34
Replacing the heat sinks
Replacing the Wi-Fi card . . . . . . . . . 36
Replacing the antennas . . . . . . . . . . 37
Replacing the memory module . . . . . . . 38
Replacing the coin-cell battery . . . . . . . 39
Replacing the M.2 solid-state drive . . . . . 40
Replacing the microprocessor (for selected
models) . . . . . . . . . . . . . . . . 41
Replacing the system board . . . . . . . . 42
Replacing the power switch board . . . . . 44
Replacing the camera module . . . . . . . 45
Replacing the mount bracket and optical drive
cable . . . . . . . . . . . . . . . . . 46
Completing the parts replacement. . . . . . 48
Chapter 8. Additional Service
Information. . . . . . . . . . . . . . . 49
Trademarks . . . . . . . . . . . . . . . 1
© Copyright Lenovo 2019
i
Содержание ideacentre A340
Страница 4: ...ii ideacentre A340 Hardware Maintenance Manual ...
Страница 6: ...iv ideacentre A340 Hardware Maintenance Manual ...
Страница 14: ...8 ideacentre A340 Hardware Maintenance Manual ...
Страница 16: ...10 ideacentre A340 Hardware Maintenance Manual ...
Страница 20: ...14 ideacentre A340 Hardware Maintenance Manual ...
Страница 27: ...x a b c d e h g f i j k l m o n p u v t s q r w y Figure 4 Major FRUs and CRUs Chapter 6 Hardware locations 21 ...
Страница 32: ...26 ideacentre A340 Hardware Maintenance Manual ...
Страница 56: ...50 ideacentre A340 Hardware Maintenance Manual ...