(Topic ID: 159918)

Austin Powers goes on-and-off Please Help!!!!!!!

By mobilexx

6 years ago



Topic Stats

  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 6 years ago by ChrisHibler
  • Topic is favorited by 1 Pinsider

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#1 6 years ago

Hi , I have an Austin Powers that turns on most of the time, once in a while will start, but then the dmd display turns off an a relay clicks, when it turns off the l204 led turns off with it, and then 5, 10 or maybe 2 minutes later it turns back on, sometimes just comes on and then back off, sometimes it will start clicking all the solenoids going through some test maybe ? all fuses are good, and leds on board all light up except l204, which sometimes will go on...
All cables, plugs and connectors seem tight... any ideas...
Thanks in advance !!

#2 6 years ago

So with this age stern:

Chip below batteries gets loose
Battery corrosion hard to spot gets I the chip below battery
One of the power connectors starts to fails it's top of the io board want to say 9 pin connector middle of the board.

These were my problems with LOTR

#3 6 years ago

A few thoughts/questions.
1. How long has this been going on. Is this a new problem, or has it always behaved this way since you owned it?
2. Any leaky battery corrosion on the MPU board?
3. Have you completed any work on the game recently?
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#4 6 years ago

By the large heat sink - this was my main problem. A reseat would fix it but only for so many games. Local Tech said common problem highly respected pinside repair person did not agree - after I redid connector problem has been gone

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#5 6 years ago

Thank you for the advise....
I bought this machine this way... knowing it would have some issues, sorted through a few up till this point...
I messed with the chip by the batteries (which have no signs of leakage), and pushed it in really good, but didn't seem loose, and the pulled the 9 pin on the i/o board and checked it, didn't seem loose or anything, put it back in really good.. Then I turned it on, and surprising, the game plays, but the dmd display still comes on for about 3-5 seconds and turns off 3-5 seconds, back and forth, but when its on its always stuck on the Stern Display Version 1.01 or something like that... Ii have never seen a different thing on the display ever, not even a score or anything, but I was able to play a whole game with all the lights and sound working, just cant see a score or anything else...
any ideas on the display...?
And once again, thank you for the help so far, I am happy to be at this point even !

#6 6 years ago
Quoted from mobilexx:

the dmd display still comes on for about 3-5 seconds and turns off 3-5 seconds, back and forth, but when its on its always stuck on the Stern Display Version 1.01 or something like that... Ii have never seen a different thing on the display ever, not even a score or anything,

This means that the CPU board isn't communicating with the display controller board.
Reseat the 26 pin ribbon that goes from the lower right of the MPU to the display controller board a few times. Make sure that the connector is covering all pins.

Normal operation is for the "splash screen" to be displayed. It's displayed via the display controller board itself. After that, the MPU is supposed to take over. Your's is not. Could be ribbon, or I/O buffer IC on either board. Start with the easy stuff...ribbon first. If you isolate the issue to one or the other board, seek out a pro. Those boards are too valuable to leave to amateurs. LMK if I can help.
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#7 6 years ago

BTW, your South Park, Monopoly and Playboy all have the same boards in them. If you are careful swapping ROMs, you can swap the supsect display controller into another game to see what happens. You can't break anything doing this. After that, you can swap the CPU into a known good game.

See if the problem follows the board.
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The Place to go for Pinball Repair Info

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