(Topic ID: 190524)

Tech: 8 Ball Deluxe LED Flicker - Some

By pinghetto

6 years ago



Topic Stats

  • 4 posts
  • 2 Pinsiders participating
  • Latest reply 6 years ago by pinghetto
  • Topic is favorited by 3 Pinsiders

You

Linked Games

#1 6 years ago

This game has an Alltek lamp board, mpu, and solenoid driver board. Also, has full coin taker LED kit. Everything was working perfect until I slid it about to make room for a new game (serves me right). When I powered it up, quite a few of the controlled lamps had a flicker. I noticed that the connector on J3 for the solenoid driver board sucked, so I put a molex plug on that and replaced the solenoid driver board (for good measure). The LED's still flicker. I also replaced both bridges on the high voltage board. Still flickers.

The weird part is some times its more bulbs than others. But, always seems to be all of the inserts in the 1 - 15 ball rack (above the flips). Yes, I have triple checked the jumper from TP13 on the lamp driver board to the DELUXE line.

The only thing I've noticed is a noisy 120VAC filter for the line in. And the high voltage board has seen some better days. But, everything else works great.

I even tried to put an incandescent bulb in one of the sockets that flickered and that flickered too.

I'm stumped and I don't know this system too well. Any help would be very much appreciated!!!

Thank you for your time.

Brian

#2 6 years ago

I'm starting to thing it's the lamp board...

#3 6 years ago

I would check the connector on the cpu. It's the larger one on upper left. Reseat it.replace if it fixes issue. Other issues could be cracked solders on displays or bad caps on sound board. You can try disconnecting all displays and sound bd and see if the issue is still present. As strange as it sounds I've seen display issues and or sound bd issues cause symptoms like you describe although very rare. Jr

#4 6 years ago
Quoted from pinballplusMN:

I would check the connector on the cpu. It's the larger one on upper left. Reseat it.replace if it fixes issue. Other issues could be cracked solders on displays or bad caps on sound board. You can try disconnecting all displays and sound bd and see if the issue is still present. As strange as it sounds I've seen display issues and or sound bd issues cause symptoms like you describe although very rare. Jr

Hey, thanks, John. Really appreciate the help. I'll check it out. Hope you are doing well!!

Brian

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