Six Million Dollar Man ( $6MM ) Repair Help


By shirkle

2 years ago


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  • Latest reply 2 years ago by shirkle
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#1 2 years ago

I'm working on a Six Million Dollar Man for someone in my town and have made a little progress but seek some help.
He bought it DOA. He then bought a new MPU that came out of a working Super Sonic, with Super Sonic ROMs/Eproms.

I tested all test points on the PS board and everything checked out fine. I put in the new MPU, not knowing it had SS chips on it, and the game booted partially, got the 7 flashes on the MPU LED, but that's just about it. No start-up tune, and only goes through the lights and display test....no solenoid test or sound test.

I realized later that it was a SS board, and I stole the chips from the original MPU and swapped them with the SS chips. I did this for the chips in the following locations: U1, U2, U6, and U7.

Now it boots up, can accept a coin, and displays "000000" as a score, but will not start a game. In test, it does the same as before- lights flash, displays work, but no solenoid or sounds.

Any ideas? My time with the machine is limited since it's at someone else's place (actually a business).

#2 2 years ago

Canned response: It is highly likely to need all the connectors rebuilt on both sides.

If both boards had chips in U1, U2 and U6 locations it might not need to be rejumpered.

Try this quick test: turn it off. Turn it back on and hold the flipper buttons in. At about the count of one-thousand-five or -six, it should pulse (CLICK) the flipper enable relay, which will power the flippers for one second. Do your flippers pulse up during this test?

Disconnect the sound board and see if symptoms change.

#3 2 years ago

There was no changed when unplugging the sound board nor when holding in the flipper buttons.

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