Identifying Parts On The System Board - Lenovo 53581FU - IdeaCentre K220 Desktop Hardware Replacement Manual

— Audio Line-out Connector: To connect to the speakers or
—— WiFi antenna connector: To connect the computer to a wireless
———— Microphone Jack: To connect to audio input from a microphone.
———— Used to attach your computer to a telephone line for modem use.
——— Used to attach a telephone line to your computer for modem use.
—— Voltage: selection switch (Some models are equipped with this
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.).
31036127 IdeaCentre K_HRG_EN.indd 9
headphones.
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.)
(some models equipped with this connector)
(some models equipped with this connector)
switch)
Figure 1 Figure 2
Hardware Replacement Guide
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