WTB Aristocrat MK 2.5 and Mk4 Roms and boards

[hqrsyd]

Hi All,

I have a MK4 and a Mk2.5, The 2.5 was made in 1986.
I have changed the color map ROM because the one in it was really not working (luckily I had a spair) thanks Hoppy!
I would like to have a spair MK 2.5 and MK4 Board's if anyone has one, I also want a spair color map ROM, U40 1cm 29 5k, Maby someone can send me a spair.

Tha attached Picture is a Mk2.5 Australian Board

Thanks

[volts1776]

If you locate a MK 2.5 video processor board, I would appreciate if you would let me know and visa versa. after changing the memory battery on the MK 2.5 board in tens or better video poker machine the problems started. (PICS BELOW)

[hoppy]

Hi you need to reset you meters then all will be ok this was produced for newer type boad
the buttons are on the other board for your machine

Round 1

1 Turn the machine on and close the door.
   (meter error call attendant)

2  Turn the audit key and the then the jackpot key. (both on)
      ( should get screen  with Meter 1..... pressing collect key advances the screen to Meter 2
   pressing collect key advances the screen to Meter 3....the data in all screens should be the same)

3   Open the door and press the 3 left buttons all at the same time
   (data in the meter screens should all reset)  (the time display is usually strange looking)

4  Turn the machine off then on  ...close the door....(it should be ready to load with coins).


Round 2  (if round 1 fails)

1  With  machine off remove the static ram chip U74  (chip just above U 87 ) Note which end of the chip is notched.!!!

2  Turn the machine on.   Wait for 30 seconds. turn the machine off.

3  Carefully replace the U74 chip so the notched end is in the socket the same way as prior to removal.
   check that all pins are correctly located in the socket

4  Turn the machine on and close the door.
   (meter error call attendant)

5  Turn the audit key and the then the jackpot key. (both on)
      ( should get screen  with Meter 1..... pressing collect key advances the screen to Meter 2
   pressing collect key advances the screen to Meter 3....the data in all screens should be the same)

6   Open the door and press the 3 left buttons all at the same time
   (data in the meter screens should all reset)  (the time display is usually strange looking)

7  Turn the machine off then on  ...close the door....(it should be ready to load with coins).