4 Player Konami cab issue (Turtles in Time)-Start Button?

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4 Player Konami cab issue (Turtles in Time)-Start Button?

Hey guys,
I recently got a 4 player konami cab (was originally a TMNT converted into sunset riders) and it was missing the power supply and the game board when i got it.
I wired in a ps and got a TiT board and got it up and running. So, here is what it does:
the game boots up fine and runs in attract mode, when i coin up coin slots 1 and 2 work, 3 and 4 dont. After credits are in, it wants me to hit the start button. This cab only has 2 buttons for each player, attack and jump, and neither or them work as the start button. A PDF of the TiT manual says that the "function" buttons work as the start buttons, but this is not the case. I threw this in my Nba Jam cab, and I can get 1 and 2 player to work 100%, but it has start buttons wired and the start buttons work to start the game, not the "attack" or "jump" buttons. So, back to the Konami cab, I put it in and fired it up and pressed the test button on the pcb, and joystick 1 works 100% in the test menu, but it needs the "start" button to get into the i/o test screen, and attack and jump dont work, neither does coin mech 1 or 2. Do i just need to wire a start button to every player 1-4 to the jamma harness or is there something else im missing?
Thanks guys,
-Dave
 
Hey guys,
I recently got a 4 player konami cab (was originally a TMNT converted into sunset riders) and it was missing the power supply and the game board when i got it.
I wired in a ps and got a TiT board and got it up and running. So, here is what it does:
the game boots up fine and runs in attract mode, when i coin up coin slots 1 and 2 work, 3 and 4 dont. After credits are in, it wants me to hit the start button. This cab only has 2 buttons for each player, attack and jump, and neither or them work as the start button. A PDF of the TiT manual says that the "function" buttons work as the start buttons, but this is not the case. I threw this in my Nba Jam cab, and I can get 1 and 2 player to work 100%, but it has start buttons wired and the start buttons work to start the game, not the "attack" or "jump" buttons. So, back to the Konami cab, I put it in and fired it up and pressed the test button on the pcb, and joystick 1 works 100% in the test menu, but it needs the "start" button to get into the i/o test screen, and attack and jump dont work, neither does coin mech 1 or 2. Do i just need to wire a start button to every player 1-4 to the jamma harness or is there something else im missing?
Thanks guys,
-Dave

You shouldn't have to. Just like TMNT (the original), Turtles in Time uses the attack button as the start button. I threw my Turtles in Time board in my TMNT cabinet to test it and it works fine like this. Remember that many Turtles in Times were sold as kits/upgrades for the 4 player konami games (TMNT included) and most of them on used two buttons (no "start" buttons.)
 
some of the Konami 4P boards had dip switches (soft IIRC) to tell it if there is a Start button wired up)
 
Do you have a coin counter hooked up the manual says that if hooke up can cause issues with the I/Os of joysticks or coins, or you have a grounding issue. I just checked my TIT and it used the attack button as the start.

I would guess that you have a grounding issue.

-Jake
 
Thanks for the responses guys. prarierdillo, do you have a pdf for the dip swtches? I cant seem to find any info anywhere. Ill check all the wiring to see if its a grounding issue when i get home from work
 
Its a japanese board i got from a guy in south korea, so maybe there cabs were setup with start buttons, ill have to check everything when i get home
 
Could anyone with a 4 player TiT board that has the attack buttons work as the start button post a pic of their dip switch settings? Ill match mine up and see if it works.
Thanks guys
 
Perhaps you could wire the start and attack inputs to the same button? For the 4-player version, I imagine it wouldn't affect the gameplay.

Or, if they're EPROMs, maybe swap the ROMs out with a version that doesn't use start buttons?
 
FYI...the Turtles in Time board uses a test menu for all of the settings (there are no physical dip switches.)
 
I'm having the same problem with my Xmen board. I have two boards. One does not require a start button and one does. The other thing I noticed is that the board which requires a start button also has free play to enable. My other Xmen board does not.
 
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