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Chapter 2 Senior Maintenance Environment
Tools List
2013-10-18
YU220 service manualV1.0
Name ：GPIB cable
Purpose ：use for RF calibration
Name：programmable power supply
Purpose：use for mainboard power supply
Name ：CMU200
Purpose ：RF calibration
Name ：Multimeter
Purpose：measuring voltage and current
Huawei secrets, no dispersion without permission
when RF calibration
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