EBD Reset Iteself

(Topic ID: 229194)

EBD Reset Iteself


By nwkadm

37 days ago



Topic Stats

  • 10 posts
  • 2 Pinsiders participating
  • Latest reply 12 days ago by nwkadm
  • No one calls this topic a favorite

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5101 Chip (resized).JPG

#1 37 days ago

I recently turned on my EBD and the sound, hi scores, credits, etc. have reset back to default or something. Is there a CMOS battery or something I could look at or change that would fix this?

TIA

#2 37 days ago
Quoted from nwkadm:

I recently turned on my EBD and the sound, hi scores, credits, etc. have reset back to default or something. Is there a CMOS battery or something I could look at or change that would fix this?
TIA

Yes lower middle of your cpu board is a battery. I would snip it off ( make sure) no alkaline damage. Order up an nvram and install that in place of the cmos 5101.

Lockwhenlit.com. Rob Anthony
Pinballlife.com. Terry.

#3 35 days ago

Thanks Terry - will I need to reset anything?

#4 35 days ago

No just swap out the 5101 to nvram (make sure you tell them it's for 5101 style) . I am Chad by the eay.

#5 32 days ago

Sorry Chad and thanks for your help/advice.

#6 26 days ago

Chad - 1 more question - I see BT1 in the lower middle of the MPU board - it has 2 leads. If I snip it off, how does the NVRam go in - does it get soldered to the 2 leads?

Sorry - I tried looking at pictures of the NVRam and it looks like an IC Chip layout.

#7 26 days ago

The nvram will go into U8 the 5101 ram chip. thin rectangular chip. Make sure your pin orientantion is correct. You will see a small marking on the chip.

#8 25 days ago

Thanks again Chad - I am attaching a picture of my MPU Board.

So just to be clear, I clip off the Battery (BT1) and then replace the chip in U8 with the newly purchased NVRam chip - correct?

Thanks for all your help.

5101 Chip (resized).JPG
#9 25 days ago

That is correct. Enjoy.

1 week later
#10 12 days ago

Chad,

I have received and inserted the 5101 chip. All the sound is now normal and my high scores etc. seem to work. Now when I play the game and launch the ball, if I go down the "B" lane, it lights up the free ball feature. Then if I make all the balls and go into "Deluxe" mode, only the "L" lights up as needed to complete Deluxe......?

Any thoughts as to what is now causing this? Bad 5101 chip?

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