Bravo BMB0900 User Manual download pdf (Page 18)

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Maintenance --- Error positioning



On-the-spot Estimation ：

1. Before maintenance, first check the indicating lamp and judge the error according to

the state of indicating lamp.

2. Find the error location through reading the state parameters value in a handheld

terminal.

3. Decide the error through dialing DT and CQT.

4. Set the device in the state of by-pass, then give a judgment by comparing the by-pass

state with the working state.

5. Take apart the device, draw off the Power Amplifier unit, then take a detailed

examination.



Conclusion ： According to the methods above, the error of amplifier, LNA, or

Power source and so on can be found correctly.

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Bravo BMB0900 User Manual Page 18