Reply to "TIU VARIABLE CHANNEL NOT WORKING"

Tony HOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

gunrunnerjohn posted:
If the TIU channel is shorting, the top suspect on fixed channels is the TVS protection diode. They're a large thru-hole component and fairly easy to replace. It's not uncommon for those to fail shorted.
Here's a picture of the TVS diode locations in the Rev. G, they're in similar locations on the later versions, but I don't have one apart to check. Pretty easy to spot, they're large cylindrical components.

With the talk about loose connections plugs in another post, would the 6th nut on the bottom be considered loose? To me it looks like the nut is not tight. I have not opened mine up, it has been put away for probably 7+ years, but will be coming out this fall as I am almost done with all my track. Want to make sure what I need to look for.

Thanks

9/13/175:45 PM

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