This is a set of 33 tutorial videos that will teach you how to repair a neon sign, the only thing you will not be able to do is fix a broken neon glass, that has to be done by a neon glass bender.
But you will be able to trouble shoot a neon sign to find out what's wrong with it, and then based on what you find either replace the transformer or take out the broken or bad section and send it the glass bender for repair.
These videos will take out all the mystery of a neon signs, you will know how they are wires and how the work, you will be able to refurbish a neon sign to bring it back to life, like i said the only part you will have to send for repair or rebuild is the actual glass.
The videos will be sent to you by mail in a USB drive so you can watch them on your computer.