Digital logic probe – the one we use is from Radio Shack.Clip leads – they come in handy to make connections.DVM – everyone must have a voltmeter to go with the probe.
We prefer a probe that makes an audible tone, so look for that.
They are inexpensive, but generally no longer available at your local electronics store. If you are planning on doing your own electronics work, buy one now, not when you need one. They may look like something one can tackle, but they are amazingly complicated machines.Īnyone planning on troubleshooting a pinball machine will eventually need a digital logic probe, or wish they had one. If the answer to either of these two is not a resounding “YES”, then find someone else to work on your pin. Prior to proceeding, ask your self the following questions:ġ) Am I good with electronics and am I qualified to work around high voltages.Ģ) When I find the problem, can I remove the circuit board, remove the defective part and solder in a new component? It is with some trepidation that we write this section. Follow all the warnings on the container. Do not operate the pinball machine until the vapor has dissipated. Solvents such as isopropyl alcohol and WD40 are flammable and should be used only in a well ventilated area. If you are not qualified, you should not work on a pinball machine.
Repair should be left to properly trained personnel.
There could be voltages nearby to run plasma / DMD displays that could run several hundred volts. In order to use a digital logic probe, the pinball machine must be turned on and operating. High voltages can be present on any machine, even unplugged, and it can be lethal. It is recommended that the machine be allowed to sit several minutes to allow any remaining power to dissipate. Prior to opening a pinball machine, be certain to unplug it, then turn it on to insure that it was actually unplugged. Dangerous voltage may remain for a period even after it is unplugged. Pinball machines contain potentially lethal voltage.
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