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E5331 Maintenance Manual Basic Version V1.0
Internal
2012-4-21
Huawei confidential. No spreading without permission.
Page 28 of 57
8
Assembly Procedure
4. Install the back cover.
3. Install the main board.
2. Assembly procedure of the E5331 is shown
below.
1. Make sure the ESD antistatic wrist strap
connect to the ground is normal.