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S721 Head Issue

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gesucks

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Have a new M7300 remote with S721 head. All was working then turned volume up very high. Head went blank and would not power on. Put that head and another back on the front of the radio (making it front mount), both work. Is there something in the remote housing that would have blown from the audio being too high? I know the audio PA in a remote mount is in the housing.

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gesucks

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The CH-721 control head is powered independently of the radio and should be fused with a 3A AGC fuse.
I am aware of that and had a 5 amp by accident. In other brands (Moto and others) there is a surface mount fuse on the remote head control board in addition to the A+ and B+ lines going to the head being fused. As stated above it was D10 that was blown.
 
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