(Topic ID: 190160)

scared stiff wont start ?!

By kurgan999

5 years ago


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  • 15 posts
  • 7 Pinsiders participating
  • Latest reply 5 years ago by PinballManiac40
  • Topic is favorited by 1 Pinsider

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MPU battery damage (resized).png
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IMG_5482 (resized).JPG
IMG_5494 (resized).JPG
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#1 5 years ago

hi all,
all worked perfect i turned machine off left home returned fired up again and when i press start button nothing.

i run tests it say two switches to check but thats not issue here.

i run solenoid tests all is good , all balls are found i just dont know whats issue here.

any advise ?

when i turn on machine all blinks normaly (lights , display , spider etc) just start button not work(even hes blink)

thanks in advance

#2 5 years ago

Did you check your start button on a switch test?

#3 5 years ago

Is it on free play or coin play?

If you are using batteries, it could be possible that they gave out and lost all the game settings.

#4 5 years ago

I'd had the micro switch come off the start button before

#5 5 years ago

i turned out bat and returned now its reset on factory settings.

can you tell me how to test start switch button?

#6 5 years ago
Quoted from kurgan999:

i turned out bat and returned now its reset on factory settings.

The start button is most likely ok. You'll have to go into game settings and put it back on free play. Manual will provide info on doing this.

#7 5 years ago

Make sure credits are on the machine or set to free play

Toggle the switch on the coin door to put some credits on or press the most left button (red mostly) on the inside coin door

Then press start button
You can now start ?

#8 5 years ago

i tried that as well

a.3 free play set up to yes - nothing

free play set up no - added credits and nothing as well

here is few photos of start button but not sure if that helps at all

IMG_5491 (resized).JPG

IMG_5493 (resized).JPG

IMG_5492 (resized).JPG

IMG_5494 (resized).JPG

#9 5 years ago

Go into diagnostics, switch test and check the switch.

#10 5 years ago

Don't you have to confirm the settings in the menus before it is saved?

#11 5 years ago

Can you post a picture of the CPU Board so we can check for battery corrosion?

#12 5 years ago

I would reseat the connectors at the bottom of the CPU Board.

#13 5 years ago

maybe its problem with board as well

there is same acid leakage l think

friend suggested to swap mbash board with this one and to see if there is change

still i am not sure had to call someone to look i guess since i am noob

IMG_5482 (resized).JPG

IMG_5483 (resized).JPG

#14 5 years ago

More importantly, it is time to get the MPU repaired since there are corroded parts below the battery holder. If you decide to send it to get repaired, ask for NVRAM to be installed as well so that the battery holder can be completely removed forever since it will no longer require batteries. All switch inputs should be checked by whoever will be repairing it.

At least right now, the corrosion is minimal on the board itself. If you decide to do it yourself, only apply heat to the backside of the board when removing parts. Otherwise, the heat with the corrosion just totally eats up the pads and traces that come in contact with the heat.

MPU battery damage (resized).png

#15 5 years ago
Quoted from kurgan999:

friend suggested to swap mbash board with this one and to see if there is change

Yes, that is a good idea as there can be an issue with the switch inputs or the wiring leading to the CPU at the bottom of the board. You will need to swap the Game ROM and the Security chip between the two boards.

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