Lionel Lion Chief Plus gp20 Diesel Repair

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  • Member since
    August, 2017
  • 3 posts
Lionel Lion Chief Plus gp20 Diesel Repair
Posted by otww55822 on Friday, August 25, 2017 6:43 AM

Lion Chief  PLus shorted on section of track.  Fried something, i think.  Replaced obviously damaged wires.  Still will not run, any suggestions?.  How do you test circuit board and prevent this from happening again.  Any source of wiring diagrams available.  Lionel customer service and repair totally useless. Sent this item off for repair before and got it back damaged and unrepaired.

  • Member since
    December, 2001
  • From: Austin, TX
  • 9,568 posts
Posted by lionelsoni on Friday, August 25, 2017 4:27 PM

Search the forum for "TVS" (transient voltage suppressor).

Bob Nelson

  • Member since
    October, 2011
  • 771 posts
Posted by TrainLarry on Friday, August 25, 2017 4:42 PM

Here is the page for a LionChief GP-20 parts breakdown.

Item #7 is the circuit board assembly with the part number.

You cannot test these boards without highly specialized equipment, programmed specifically for these boards.

To protect modern electronic equipment, you need to install quick acting circuit breakers (to protect the wiring and transformer), and transient voltage suppressors (to protect the electronics in the engines and rolling stock).

Larry

  • Member since
    August, 2017
  • 3 posts
Posted by otww55822 on Friday, August 25, 2017 5:26 PM
Thansk for the help

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