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(Topic ID: 264192)

Tag Team sound issue

By SeymorGoldfarbJr

4 years ago



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#1 4 years ago
OP
 
SEA

SeymorGoldfarbJr

Pinside+ Frequent

12y 85,600 504 46 2

I just picked up a non-working Gottlieb Tag Team. I was able to get the game working by re-pinning and reflowing the power supply and installing a known working MPU.

I haven’t been able to get the sound to work.

What I’ve done/tested so far:

-Verified the 5VDC, 12VDC and 12VAC are going to the sound board.
-F1 sound board fuse is good.
-Speaker has 4 Ohms resistance.
-Volume pot changes resistance as you turn the dial.
-Swapped driver boards with another known working driver board.

Any suggestions on what else to check would be appreciated.

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#2 4 years ago
OP
 
SEA

SeymorGoldfarbJr

Pinside+ Frequent

12y 85,600 504 46 2

Still looking for some 80b sound troubleshooting support.

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#3 4 years ago
 
CSG

semicolin

Pinside member

8y 51,300 481

Clean your headers and repin if necessary after checking continuity. That's the first thing to be done when any new game comes in.

Also, move sound board dip switch SB1-1 to the ON (test) position and the Game Over sound should play repeatedly. If it doesn't, your problem is likely with the sound board itself.

Do you have the manual/schematic?

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#4 4 years ago
OP
 
SEA

SeymorGoldfarbJr

Pinside+ Frequent

12y 85,600 504 46 2

Quoted from semicolin:

Clean your headers and repin if necessary after checking continuity. That's the first thing to be done when any new game comes in.
Also, move sound board dip switch SB1-1 to the ON (test) position and the Game Over sound should play repeatedly. If it doesn't, your problem is likely with the sound board itself.
Do you have the manual/schematic?

I have cleaned the edge connectors. All single-sided edge connectors in this game are IDC pins and I don't have those to repin the connector. I did set SB1-1 to ON and it did NOT play the game over sound. I also removed and changed the orientation of the DIP switch just in case sw. 1 was not working properly. In no instance did I get the game to play the game over sound.

I do have the manual/schematic.

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#5 4 years ago
 
CSG

semicolin

Pinside member

8y 51,300 481

Well, if the test doesn't work you've got to start narrowing things down.

Before breaking out the oscilloscope, I'd probably look for obviously cracked solder joints and burnt components, and address those first. Reflow the entire board. Also replace any IC sockets with machined ones. Once mechanical issues with corrosion, joints, and bad solder have been ruled out, then it's easier to track down electronic issues. Unfortunately "it doesn't work, please help" isn't going to get you many answers around here. Start with the basic troubleshooting and go from there.

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#6 4 years ago
OP
 
SEA

SeymorGoldfarbJr

Pinside+ Frequent

12y 85,600 504 46 2

Problem solved. One of the ground plugs was off a row on the transformer panel.

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