(Topic ID: 8076)

Star Wars (Data East) problem with kickback.

By mpatricksp

12 years ago


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Topic Stats

  • 11 posts
  • 3 Pinsiders participating
  • Latest reply 12 years ago by mpatricksp
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#1 12 years ago

Was hoping someone here may be able to give me a little help. Just recently picked up a Star Wars machine and have been trying to get it up and running.

I currently have everything working except the left outlane kickback. It will not activate the kicker. I have tested everything I could find on line and every thing checks out correct but when I check the voltage at the coil when I fire the kickback in diag mode it will not register.
All of the other coils are working.

I have check Q1 and Q23 and they check out fine. All of the fuses are good. Not sure what else to look for I am kind of new to this and am lacking in the electrical side of things.

Any ideas or direction would be appreciated.

Thanks.

#2 12 years ago

So it doesn't work in game or diagnostic? Could be an IC behind the pre driver and driver, the coil itself/solder cracks on lugs/wires from coil to lugs (hard to notice sometimes if they are broken), or even the connector with cracked headers.

#3 12 years ago

No doesn't work in either. I swapped out the coil with one that was working in another part of the game, it was sticking so I needed to work on it anyway, it was real guncked up. Had same reslut with both coils.

Not sure what you mean by IC behind the pre diver and driver, like I said I am weak on the electronics.

#4 12 years ago

Did you check for continuity on those wires from the kicker coil to
the connector on the driver board checking for breaks?Any burnt connectors?

Quoted from mpatricksp:

All of the fuses are good.

Did you check fuses with a meter?

#5 12 years ago

Yes I traced the wires from the coil to the back box and then checked them for continuity and they checked out. What a pain, now i have to get a few dozen zip ties.

I did check the fuses with the meter but just a continuity check, is there something else that should be check?

#6 12 years ago

Are the connectors on the board in good shape?Did you try reseating them?

#7 12 years ago

They seem to be, I did reseat them.

I have to pull the PPB today to fix another screw up I made so when I have it out I will thake a look at the back to see if I can see any issues with it.

#8 12 years ago

You need to check the TIP36 transistor on the board that's the one that
runs the kickback check it with a meter.

http://www.pinwiki.com/wiki/index.php?title=General#Testing_a_Transistor.2C_Silicon_Controlled_Rectifier_.28SCR.29_or_Field_Effect_Transistor_.28FET.29

#9 12 years ago

I did check it and it checked out according to the test I found for it the, according to the specs it is Q1. I have to replace Q3 anyway now so I will probably just replace it also while I have the board out.

Hooked one of the coils up backwards and fried Q3.

Like I said am new to this and seem to be learning the hard way.

#10 12 years ago
Quoted from mpatricksp:

I did check it and it checked out according to the test I found for it the, according to the specs it is Q1. I have to replace Q3 anyway now so I will probably just replace it also while I have the board out.

Hooked one of the coils up backwards and fried Q3.

Like I said am new to this and seem to be learning the hard way.

OK,Good luck

#11 12 years ago

Think I just found the problem. Pulled the PPB and was checking the circits on the board with just a continuity check and found that pin 10 on the board where the wire to the coil hooks to isn't soldered on. No continuity from the pin to the transitor.

So as long as I can just re solder it and not blow something else up It may get fixed.

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