Lenovo IdeaCentre K220 - Manual (Page 12)

9
Hardware Replacement Guide
— Audio Line-out Connector: To connect to the speakers or
headphones.
—— WiFi antenna connector: To connect the computer to a wireless
network.(This connector only equipped on the model with WiFi
card. For more information about this connector, see WM600-B-LO
Wireless 802. 11b/g Wireless PCI-E Adapter Card User Manual.
)
———— Microphone Jack: To connect to audio input from a microphone.
———— Used to attach your computer to a telephone line for modem use.
(some models equipped with this connector)
——— Used to attach a telephone line to your computer for modem use.
(some models equipped with this connector)
—— Voltage: selection switch (Some models are equipped with this
switch)
115
23
0
Figure 1 Figure 2
Check the position of the voltage-selection switch on the rear of the computer. Use
a ballpoint pen to slide the switch, if necessary.
1. If the voltage supply range is 100-127 V ac, set the switch to 115 V.
2. If the voltage supply range is 200-240 V ac, set the switch to 230 V.
Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the main circuit
board in your computer. It provides basic computer functions and supports a
variety of devices that are factory-installed or that you can install later.
The following illustrations show the locations of parts on the system board (Only
one of below system board was preinstalled on your computer.).
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