Electronics > RF, Microwave, Ham Radio

quansheng uv-k5 hw mod board v5.0 (flex pcb)

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ME:
What does NF out mean on the schematic?.

radiolistener:

--- Quote from: ME on February 21, 2025, 11:22:52 am ---What does NF out mean on the schematic?.

--- End quote ---

NFOUT is input of audio amplifier for speaker:

ME:
I have just fitted an hf mod board, I flashed  CEC HF0.5 the buttons and display looks fine but zero audio,not even noise, Its like the speaker is missing, Any ideas what to check?.

radiolistener:
Check if the sound is present on module output and check if its output is soldered

ME:
Can you tell me on what pin the output should be on, on the modual/hf add on pcb?, Thanks.

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