2. Introduction
This repair manual provides technical instructions for disassembling and reassembling various NAS
models, allowing users to replace major components for their devices.
These instructions are intended for individuals with sucient hardware knowledge and experience to
repair electronic devices. We recommend reading this manual carefully to understand the procedure
and the required tools. Only proceed if you feel comfortable performing the tasks instructed in this
manual.
Important
Failure to follow the instructions may damage the components or aect the functionality of
your device. Damages caused by self-repair are not covered by QNAP warranty service.
NAS model categorization
QNAP NAS models can be divided into the following categories based on their mechanical design.
Important
These model lists are not exhaustive. If you are unable to nd your model from the lists, we
recommend following the given criteria to classify your model.
Category A
NAS models in this category are small tower NAS models. The power button and LEDs are located on
the left side of the front panel.
Representative model: TS-453E
Similar models: TS-216G, TS-253E, TS-431X3, TS-431KX, TS-431K, TS-433
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Introduction 6
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