Like a bunch of other people on here I have an issue with my scoreboard. I have no LED digits lighting. I don’t currently have access to any good 7 segment displays but I was able to probe for voltage. I found positive voltage at all common anodes coming from the transistors with the exception of four of them.

The problem is the positive anode voltage is around 12vdc. I think it’s supposed to be 2? I swapped across a digit from a dead transistor to one of the 12v output ones and I got it to light but it quickly faded. That’s why I’m assuming over voltage. Any ideas?

#2 5 years ago

MCM

martimagico

Pinside member

Lemoore, CA

7y 40,900 115 6 12

Any ideas guys?

9 months later

#3 5 years ago

RWH

Gumby510

Pinside member

Las Vegas, NV

5y 43,800 401 4 17 1

I’m in the same boat with mine and no one that can help. Replaced all the transistors and digits and the board is still dead

#4 5 years ago

LKD

Luckydogg420

Pinside member

Kitchener, ON

11y 115K 5,862 14

I’m pretty sure that the scoreboard is an impossible part to find.

#5 5 years ago

RWH

Gumby510

Pinside member

Las Vegas, NV

5y 43,800 401 4 17 1

Yes so far nothing has popped up in the last few months. I’ve already dumped over 100$ trying to fix this one.

1 month later

#6 5 years ago

RWH

Gumby510

Pinside member

Las Vegas, NV

5y 43,800 401 4 17 1

Sent this out to a gentlemen named jerry clause and he has got it up and running. Bad chip at u5 and one bad trace. Board had extensive damage which was repaired locally.

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