TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
Copyright © Huawei Technologies Co., Ltd.
Step 14 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
----End
Follow-up Procedure
Pack the removed component, and return it to Huawei local warehouse.
4.4.4 Replacing the SMU06C LCD
Prerequisites
You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the
cabinet door key, and tools.
The new LCD is intact.
Context
The SMU is not hot-swappable. You do not need to disconnect the AC input to the power
system.
Do not pull the LCD flat cable with excessive force.
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Flip the battery switch to MANUAL.
Step 3 Record the position of the signal cable connected to the SMU06C, and disconnect the signal
cable.
Step 4 Unscrew and remove the SMU06C, as shown in Figure 4-3.
Step 5 Disconnect cables from all the input ports on the SMU06C backplane.
Step 6 Remove the cover from the main control board, as shown in Figure 4-5.
Step 7 Disconnect the LCD flat cable, as shown in Figure 4-8.
1. Hold the two sides of the locking latch on the LCD flat cable connector and gently and
levelly remove the locking latch.
2. Hold the LCD flat cable on its two sides and gently disconnect it from the connector.
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