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(Topic ID: 147996)

WPC - CR2032 MPU install

By Barakawins1

8 years ago


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  • 104 posts
  • 37 Pinsiders participating
  • Latest reply 50 days ago by ALY
  • Topic is favorited by 31 Pinsiders

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    #11 8 years ago
     
    JWJ

    johnwartjr

    That Pinball Place

    US Columbus, IN

    12y 77,400 6,479 14

    Quoted from pintechev:

    I cannot see behind the battery holder, so I'll need a little more help if you can. can you please be a little more descriptive of what goes where?
    Marc

    The lower left cell connection connects to the ground bus on the PCB

    It is jumpered over to the lower right cell connector with the jumper wire (I use zero ohm jumpers, same idea) and the lower right cell connector is connected via trace behind the board to the top of the center cell.

    on regular WPC CPUs, the battery holder will hit the reset generator. You can heat the leads up and bend it out of the way.

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    #12 8 years ago
     
    JWJ

    johnwartjr

    That Pinball Place

    US Columbus, IN

    12y 77,400 6,479 14

    Quoted from stangbat:

    I understand your point but just to clarify, there is a blocking diode on WPC games (it is already installed on the CPU board). The blocking diode is not originally installed on Bally games so that the battery can recharge. So you have to install one on Bally games when adding a non-rechargeable battery.
    I think you'll find that a coin cell battery drains quickly when used on WPC games. WPC games have a real time clock that is constantly running when the game is powered down. That's how the time and date stay current. Takes more power than other games.

    I've had a few running for several months on a CR2032. You could look at a CR2450 if you wanted to go a little bigger.

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