Huawei E5331 - 9 Troubleshooting for Common Faults; Principle Instruction

E5331 Maintenance Manual Basic Version V1.0
Internal
2012-4-21
Huawei confidential. No spreading without permission.
Page 30 of 57
9 Troubleshooting for Common Faults
Take E5331 for example:
Before performing the following troubleshooting operations on the hardware, ensure that the software on the
wireless modem is in good condition and is restored to default settings.
9.1 Principle Instruction
E5331 includes the following modules:
 WLAN baseband sub-system AR6063;
 Power Management Module Hi6481;
 Memory module MCP;
 The baseband processing module Hi6755;
 RF module transceiver module Hi6331.