Often caused by transmitting with a high SWR (Standing Wave Ratio). If the radio turns on but shows zero power output, the PA module likely needs replacement.

Specifications

Note: Exact test points vary by board revision. Typical points:

Qyt Kt-7900d Service Manual _hot_

Often caused by transmitting with a high SWR (Standing Wave Ratio). If the radio turns on but shows zero power output, the PA module likely needs replacement.

Specifications

Note: Exact test points vary by board revision. Typical points: qyt kt-7900d service manual

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