XIEGU
Product Maintenance Manual G90/G90S Portable Short-Wave Transceiver
XIEGU All Rights Reserved Version No.: 1.0 2022-07 Page
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Base board unit:
Basic skills of board-level maintenance:
1. Be familiar with the circuit structure of the whole device and accurately grasp its signal flow.
2. Be familiar with the status of each working voltage and be able to measure it accurately.
3. Be able to operate the radio proficiently and combine various operations to support the maintenance
process.
4. Be familiar with the meaning of each physical quantity and use it in combination with the actual
situation of the overhauled product.
5. Be able to skillfully use and set commonly used measuring instruments and meters.
