(Topic ID: 259779)

Lethal Weapon 3 Flippers Activate Plunger

By lincolnv

37 days ago

Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 36 days ago by lincolnv
  • No one calls this topic a favorite


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#1 37 days ago

I purchased a LW3, as soon as I got it home and turned it on one of the coils was stuck and started smoking. I replaced the transistor and two others that tested bad and bought a new power supply board, as the original was junk. Turn the game on and it works, but the ball shooter, plunger doesn't. Going through other pinside posts I find the transistor location, test it, it tests fine. I replaced the diode on the plunger coil, and now when I hit the flipper button it doesn't activate the flipper, it activates the plunger. I tested the diode, it tests .002 in both directions. I tested every other diode within convienient reach on the machine and they test the same. Just to make sure I wasn't crazy I tested a couple of diodes on my Xenon and they test as they should. What did I F up?

#2 37 days ago

Without knowing the machine, are you sure your connector in the backbox isn't one pin off?

#3 37 days ago

No. Why the bad diode test?

#4 37 days ago

Within switch test, when you press the flipper button, what does it say?
Maybe diode is reversed, but i guess you checked that.

#5 36 days ago

Yes I did check the diode. Now, nothing happens when the flipper buttons are pressed. I did put it in diagnostic mode, went to the switch test, when i hit the flipper button the screen says NONE and gives a series of colors, I'm assuming they are wire colors.

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