Lenovo J SERIES 3000 - Manual (Page 99)

Chapter 9. Replacing FRUs (Types 7390, 7391, 7392, 7396,
7397, and 7398)
Important
Before you replace any FRU, read Chapter 2 “Safety information” on page 3. These precautions and
guidelines will help you work safely.
FRU replacements are to be done by trained service technicians only.
This chapter does not contain a remove and replace procedure for all FRUs. Only the major FRUs are
documented.
Note: The computer might look slightly different than the illustrations in this chapter.
Rear connectors
The following illustration shows the locations of the connectors on the rear of the computer.
1 Standard mouse connector 9 PCI Express x1 adapter or Express x16 graphics
adapter connector (some models)
2 Parallel connector 10 Audio line out connector
3 Ethernet connector 11 Microphone connector
4 Audio line in connector 12 USB connectors
5 Power cord connector 13 USB connectors
6 Voltage selection switch (some models) 14 VGA monitor connector
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