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One controlled lamp (here the 10,000 bonus lamp) glows dimly at all times, whatever the game is doing.

Controlled lamp stays dimly lit all the time: replace its driver IC

Cause: The lamp driver chip on the board that controls that lamp has failed.

Checks

  • Find which IC drives that lamp from the schematic (IC35 for the 10,000 bonus lamp on this game).

Fix

  • Replace the driver IC, fitting a socket so it is easy to change next time.

Games

Source: Pinball Repair help group!! (Facebook group)