Lenovo ThinkPad X1 Carbon 20HQ, Руководство по техническому обслуживанию аппаратной части

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– Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or
by trained service technicians at an additional cost.
– Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater
skill level. Trained service technicians can also provide service to install or replace the parts under the
type of warranty designated for the customer’s machine.
Major FRUs
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Hardware Maintenance Manual