(Topic ID: 304100)

Meteor display issues.(Solved)

By lowbeau67

2 years ago


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Topic Stats

  • 12 posts
  • 3 Pinsiders participating
  • Latest reply 2 years ago by frunch
  • No one calls this topic a favorite

You

Linked Games

  • Meteor Stern Electronics, 1979

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#1 2 years ago

I have an alltek mpu alltek sdb and alltek light board in my meteor.

Original plasma displays were missing all kinds of segments .

Installed alltek sdb and same segments missing on plasmas.

Bought wolffpak red 6 digit 5 display kit. Assembled and installed into game . Removed fuse in rectifier for high voltage

Wolffpak displays aren't much better. Still missing alot of segments.

I had repinned all sdb and
Mpu connectors.

Checked continuity j1 on mpu and display 4 and all good.

Not sure where to go next.

Any help appreciated.

#2 2 years ago

Sounds to me like perhaps a bad connection still in the J1 or J4 connectors at the MPU.

#3 2 years ago

So I started moving displays to different
spots and same unique problems stayed with each
Display.

So I started pulling them out and checking my
Soldering skills under magnification

Suffice to say I resoldered all displays and.got
All of them to show every digit except for the 4th
one on each of the displays.

So still need to find.out why I'm not getting
that fourth spot.

#4 2 years ago

Looks like pin 4 on the J1 connector of the MPU is where the 1,000 digit comes from. I'd double-check the soldering at the header and re-pin the female terminal as well. (I just realized I assumed you meant fourth from the right, could you clarify exactly which digit you're having trouble with? They're all on the J1 connector anyway)

You're almost there!

#5 2 years ago

Fourth from left.

Thx for the help!

So 888 88

#6 2 years ago

Just to be clear: this game uses 6 digit displays, correct?

And the digit you're missing is the one all the way to the right?

#7 2 years ago
Quoted from frunch:

Just to be clear: this game uses 6 digit displays, correct?
And the digit you're missing is the one all the way to the right?

Yes 6 digit displays.

888missingdigit88

4th after starting from left

#8 2 years ago

In that case, you want to get a closer look at pin 3 of J1. Double check your crimp at the female terminal and the solder and pin at the header.

#9 2 years ago
Quoted from frunch:

In that case, you want to get a closer look at pin 3 of J1. Double check your crimp at the female terminal and the solder and pin at the header.

Dude thx!! Success!!

Repinned at female terminal.

Wow feels good!!

I love pinside !!

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#10 2 years ago

Hell yeah!!!

Good job!! Glad to be of assistance!

#11 2 years ago
Quoted from frunch:

Hell yeah!!!
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Good job!! Glad to be of assistance!

This bad boy (Meteor) is going to
Pincinnati !!

#12 2 years ago

Nice!!! Glad you have it show-ready now

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