Re: Cybernet PTBM121D4X problems
Have done voltage checks
tx pin 18 am tx 7.3v
q9 and q10
am rx c.8.08v initally starts higher and goes down to settle on that. b.0v
fm rx c 13.61v b 0v
usb and lsb c 13.61v b 0v
also did in tx incase you may ask
q10 am c 6.76v b 0.56v
fm c 13.46v b 0.56v
usb c 13.47v b 0.56v
and q9
am c 6.76v b 0.75v
fm c 13.41v b 0.75v
usb c 13.42v b 0.75v
emitter was 0v throughout tests
bit late for scope now will set it up for tonight as its a bit of a rigmarole,
hope you get something from these so far
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