When I first purchased my 7698p, it really lit things up for me.
A few mos later though, it was dropping out on all channels.
I traced the problem to the VHF section phase lines being dead short to the boom. The rivet that tied both phase lines together, was touching a chad that wasn't properly deburred.
I drilled the rivet, reamed the hole and replaced the rivet w/ an 8-32.
This would not cause the red led to dim, though.
Probably a stray strand, or foil.
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