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(Topic ID: 223543)

Gottlieb Arena (sys 80) bulb problems

By Luzur

5 years ago



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  • 6 posts
  • 3 Pinsiders participating
  • Latest reply 5 years ago by Luzur
  • No one calls this topic a favorite

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#1 5 years ago
OP
 
HBO

Luzur

Pinside member

8y 53,700 1,276 5

Im having abit of a trouble with mine lately, all 3 of the guard lights and the Pit (the big white insert infront of the entry to the ramp) dont appear to work anymore, you get the points and the sounds, but no lights.
and ive checked the bulbs, and they are fine, and ive checked and pulled on all the cables and soldering around them, seems fine to me, is there a chip or transistor that controls those that might have gone derp?

I have the manual and could prob go line hunting with it, but i thought to ask here first just in case someone else had something similar and could show me a quick way.

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#2 5 years ago
 
UUG

minnesota13

Pinside+ Frequent

12y 61,650 1,474

Check for 6VDC on the lamp sockets. The driver board provides a ground to illuminate the lamps. Also could be bad sockets. The round bare wire braid going to each socket carries the 6VDC. The insulated wire on the socket goes to the driver board that provides the ground.

You can ground the insulated wire lug and see if the lamp lights. If yes could be incomplete circuit to the driver board caused by open somewhere or a bad connector on the driver board. If no and there is 6VDC then you have a socket or lamp problem.

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#3 5 years ago
 
INK

Inkochnito

Pinside member

NL Piershil

12y 91,650 3,169 12

Check the A3J3 connector pin "S".
That's the ground connection to those four lights.
If the connector is good then it might be a faulty Z11.
My bet would be the connector.

Arena (resized).jpgArena (resized).jpg

I always upgrade the driver board by connecting all grounds together.
That way you always have a good ground at the board as you have multiple ground wires connected together.
I've been meaning to add this info to www.pinwiki.com, but I haven't come around to it jet.
The yellow lines point to the connections made on the board.

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#4 5 years ago
OP
 
HBO

Luzur

Pinside member

8y 53,700 1,276 5

Well ive already done the extensive Gottlieb groundmod on this game, and the lights worked before, its the last month or so they just stopped working.

But i'll check your tips up ASAP, thanks!

Quoted from Inkochnito:

Check the A3J3 connector pin "S".
That's the ground connection to those four lights.
If the connector is good then it might be a faulty Z11.
My bet would be the connector.
[quoted image]
I always upgrade the driver board by connecting all grounds together.
That way you always have a good ground at the board as you have multiple ground wires connected together.
I've been meaning to add this info to www.pinwiki.com, but I haven't come around to it jet.
The yellow lines point to the connections made on the board.
[quoted image]
[quoted image]

Huh, i got to do those mods, is it the same for the other boards aswell? You should update pinwiki with this, seems like important mods (like all groundmods) for Gottliebs

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#5 5 years ago
 
INK

Inkochnito

Pinside member

NL Piershil

12y 91,650 3,169 12

OP
Quoted from Luzur:

Huh, i got to do those mods, is it the same for the other boards aswell? You should update pinwiki with this, seems like important mods (like all groundmods) for Gottliebs

It's just for the System 80 driver boards.
The System 1 driver boards need similar updates at differend points.

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#6 5 years ago
OP
 
HBO

Luzur

Pinside member

8y 53,700 1,276 5

Good news, men! I got the bulbs working, it was a dirty A3J3 contact, brushed it clean with ISO and a toothbrush, now the lights work again

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