(Topic ID: 127009)

JD: slingshot and plunger stuck shut

By MFPinball

8 years ago



Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 8 years ago by zaza
  • Topic is favorited by 1 Pinsider

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JD_coil-flsh_124-on-128.jpg
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#1 8 years ago

Hi Guys,

The right slingshot and plunger coils on my Judge Dredd are stuck shut. When I put on the machine they are instantly activated and remain closed.

Any ideas what this might be?

All help and tips appreciated!

gr Mario

#2 8 years ago

Transistors that drive them are bad.

LTG : )™

#3 8 years ago
Quoted from LTG:

Transistors that drive them are bad.
LTG : )™

thanks LTG, is this the only possibility? Or are there other options?

#4 8 years ago

2nd would be a pinched or cut wire.
pinch.jpgpinch.jpg

2 months later
#5 8 years ago

3rd would be a J124 plugged in at J128.

I've been on location to have a look and found J124 plugged wrong, giving this not so healthy situation (picture).
The trough, L+R slingshot and some flashers were captured between +20 and +70Vdc
Luckily no capacitor or bridge was blown.
JD coil-flsh 124-on-128.jpgJD coil-flsh 124-on-128.jpg

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