I have a game show that I've basically resurrected from a skimpy pile of parts. The game is 100% complete but I'm having trouble getting the sound board working. There is very little tech data available for this series of sound board. I get no test tones and no sounds. I have swapped ribbon cable with other known good cables and no change. Speakers are good, amps are good. Ive installed new ROMs and confirmed jumpers are in their correct location(this may or may not be correct but they are set to using 27512 eeproms). All socketed chips have been tested in another working game. Board is clean and unhacked. I have a logic probe but have no idea what to probe to check for stuck lines. Any help would be appreciated.

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Does the board need rejumpered for the 1040 chips. It's currently jumpered for 512 eeproms.

Do you have one of these boards with the 1040 ROMs in it working that you can send me the list of jumpers on? The limited resources available for these boards forces me to rely on others knowledge and or photos of comparable boards. It appeared to me that the only sound boards available to fit the 512 chips had the 32 pin sockets and the chips were installed with the top 4 pins not being used, but this is going off of ipdb pictures. I know that the sound board has to have the w10 and w11 jumper to be possible to use 512 chips. However I'm at a loss when it comes to them being able to use 28 pin eeproms in a 32 pin socket.

Ok I found the schematic for both the 11581 and 13971. I have confirmed that you are correct about 512 ROMs not working in the 32 pin sockets. I will get 1040 ROMs to put in place of the 512s that I have and in the mean time I will try to locate a jumper list for the 13971 board. I appreciate all the help and giving me the information you have.

Interesting. I am waiting on my 1040 Eeproms. As soon as I get them I will swap them out and check. My jumpers are set per the Game so fingers crossed that they will be my only issue.

Resurrecting this old post. I have my 13971 board making sounds with the correct roms. However it doesn't boot correctly at power on and once it does boot and start producing sound, all sounds are correct but the voice call outs are sometimes incorrect. They are consistent though which makes me think it's possibly a jumper issue. Anyone have any ideas, and thanks for all the help in getting me to at least have sounds again.

It never boots at power on. Only after I start a game and play for a minute. At power on it just pulses or ticks about twice per second. Sometimes it will give the familiar boot tone 5 times and repeat. Once the board boots it runs fine. It has never stopped once it booted until I turn off the power. Just wrong voice call outs.

I'm getting five tones at power on. It is still working but the voices are still partially incorrect. All I did was ground the board better where it mounts. I noticed a hum and when I pushed on the corner of the board it would go away so my ground wasn't the best.

I believe w3 and w11 are set but I will look when I get home later

Ok so it looks like W2 and W10 are set. I'll attach the pics of them both.

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Ok, so I made progress today. I dug up a schematic for the High Impact Football sound board which is what I have in my Game Show. The schematic for the sound board in the Game Show manual is wrong, so I grabbed the one for Bugs Bunny's Birthday Ball. That is the correct schematic for the board in Game Show. 5 tones indicates a problem with U20. Upon looking at the schematic it appears jumpers W11 and W10 are reversed between these 2 boards. My Board was set for W2 and W10 which is correct for the original board. On the high impact board it causes an issue with only U20 which is the Speech EPROM. Swapped the jumper from W10 to W11 and my speech is now correct. Still have a boot issue, but all sounds are correct. Going to do some more troubleshooting. I will report back with final results.

No Sound Board only. It's a System 11c game so the MPU has no sound components.

If I leave the machine on for 5 mins or so the sound board eventually boots. At first power on the speakers just pop about 2 times per second and continues to do this for roughly the 5 - 10 min. After I leave it powered on for this long the board will boot and operate normally with no issues.

Took a heat gun to U13 and instantly booted. Socketed in a new LS175 and now I have a fully fuctioning Game Show. Thank you to all who helped me through this.