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S7-PRO Maintenance Manual (Basic Version V2.1)
INTERNAL
Name: constant-temperature hot air gun
Purpose: heat components
Name: soldering iron
Purpose: soldering during maintenance
Name: DC power
Purpose: supply power
Name: soldering
Purpose: secure the main board.
Name: lead-free solder wire
Purpose: soldering
Name: digital multimeter
Purpose: measurement during maintenance
Name: tool kit
Purpose: assemble and disassemble the device
2012-07-20
Huawei Proprietary and Confidential
Page 27 of 97
Copyright © Huawei Technologies Co., Ltd.
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Troubleshooting
