(Topic ID: 204466)

Score Motor Schematics Help

By brightonrock

6 years ago


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Topic Stats

  • 15 posts
  • 9 Pinsiders participating
  • Latest reply 1 year ago by TimMe
  • Topic is favorited by 2 Pinsiders

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    Gottlieb Score Motor 3 (resized).jpg
    Free Fall Score Clock (resized).jpg
    0Hot-Shot-Work-09 (resized).jpg
    Pinball (resized).png
    royal%20flush%20manual%20resized.jpgGottlieb (resized).jpg
    pasted_image (resized).png
    th6Y21NWC2.jpgGottlieb (resized).jpg
    pasted_image (resized).png
    #1 6 years ago

    Hi, can somebody explain how to read this chart? I know the Position #1, #2, #3, #3 1/2, #4 is the bank of contacts and A,B,C, D, E is the level of the bank. However, what do the numbers in the chart represent? So for Position #1B it has 1A,2B listed. What does 1A,2B represent?

    pasted_image (resized).pngpasted_image (resized).png

    #2 6 years ago

    This is the chart for your Gottlieb Motor switch stacks and locations. There should another diagram with a side view of the motor. Showing the "A through E" locations.

    th6Y21NWC2.jpgGottlieb (resized).jpgth6Y21NWC2.jpgGottlieb (resized).jpg

    #3 6 years ago

    What I'm asking is I can find #1B (Position #1, Level B), but what does the 1A,2B in the chart represent.

    pasted_image (resized).pngpasted_image (resized).png

    #4 6 years ago

    On your schematic. The motor locations are usually marked on he coil guide on the left.

    In the Operator & Instruction Manual. There is a list of Motor switch positions and the circuit it is for.

    royal%20flush%20manual%20resized.jpgGottlieb (resized).jpgroyal%20flush%20manual%20resized.jpgGottlieb (resized).jpg

    #5 6 years ago

    Generally, A is the pinball manufacturer's notation for a normally open (NO) switch and B denotes a normally closed (NC) switch. FYI, C is for a make/break switch.

    1A, 2B denotes there should be 1 NO switch and 2 NC switches located at position 1B.

    #6 6 years ago
    Quoted from Runbikeskilee:

    Generally, A is the pinball manufacturer's notation for a normally open (NO) switch and B denotes a normally closed (NC) switch. FYI, C is for a make/break switch.
    1A, 2B denotes there should be 1 NO switch and 2 NC switches located at position 1B.

    Ahhh, that is what I was looking for. What does "S" position mean?

    #7 6 years ago
    Quoted from Darcy:

    On your schematic. The motor locations are usually marked on he coil guide on the left.
    In the Operator & Instruction Manual. There is a list of Motor switch positions and the circuit it is for.

    I have a Free Fall, but I have been unable to find the operation / instruction manual for it. I only have the schematic. Does anybody have a scan of that chart for Free Fall?

    #8 6 years ago
    Quoted from brightonrock:

    What does "S" position mean?

    It's the position of the cam follower.

    Pinball (resized).pngPinball (resized).png

    #9 6 years ago

    Hi brightonrock +
    I like http://www.pinrepair.com/ then http://www.pinrepair.com/em/index.htm (and for example) http://www.pinrepair.com/em/index3.htm#motor
    I also like http://www.pinwiki.com/wiki/ then http://www.pinwiki.com/wiki/index.php?title=EM_Repair and here is information to the "Switch dogs in short or long positions": http://www.pinwiki.com/wiki/index.php?title=EM_Repair#Gottlieb.C2.AE_Score_Motor

    Not only the Score-Motor-Switches are listed as (example) "1A 2B" --- the list of relays in the schematics tells us to every relay "2A 3B 2C" etc.

    IF (if, if) I only have the schematics: I may take the schematics and first "encircle green in the schematics and write an green number to it" EVERY Score-Motor-Switch I see in the schematics. I second make a new list / table and write down the numbers (see the JPG) - third I then check the colors of the wires to match "reality in the pin on the Score-Motor" with the schematics. Greetings Rolf

    0Hot-Shot-Work-09 (resized).jpg0Hot-Shot-Work-09 (resized).jpg

    #10 6 years ago
    Quoted from rolf_martin_062:

    I may take the schematics and first "encircle green in the schematics and write an green number to it" EVERY Score-Motor-Switch I see in the schematics. I second make a new list / table and write down the numbers (see the JPG) - third I then check the colors of the wires to match "reality in the pin on the Score-Motor" with the schematics. Greetings Rolf

    That's something Gottlieb should have included. Do you have those charts for a lot of games?

    #11 6 years ago

    Hi Howard
    You caught me beeing "cocky / grandiloquent" --- in post-9 I should have written something like this (short as usual): Most of my pins are Williams - I have my number-one pin Gottlieb Far Out - and then Gottlieb Orbit, Surf Champ, Ice Revue. There is a topic in pinside on Gottlieb Hot Shot --- I thought we may need the mentioned stuff so I did (only on Hot Shot) my (post-9) mentioned "first and second" - as I do not have this pin: I did not do the "third".
    IF (if, if) they ever open an club in pinside of members doing such work: I would join the club - but doing immense Work "me alone" - hmm, rather "No".
    Sometimes - working on my Far Out --- grumble - the pulling-in O-Outhole-Relay actuates six switches of "Type A" - and the pulling-in P-Add-Player-Unit-Relay actuates "3A, 1B, 1C" switches - WHERE are they ???: I did the work for these relays - but noted on a sheet of paper - and the paper has vanished ...
    THIS would be something for a "pinside Gottlieb-EM-Club": Writing down to every switch on every relay - writing down the coordinates from the schematics ... Greetings Rolf

    #12 6 years ago

    It would have been nice if Gottlieb and Bally had put out quality manuals like Williams, too.

    4 years later
    #13 1 year ago
    Quoted from brightonrock:

    I have a Free Fall, but I have been unable to find the operation / instruction manual for it. I only have the schematic. Does anybody have a scan of that chart for Free Fall?

    Same, funny enough I also have a Free Fall and needed the exact same info.

    I started annotating the schematic for Free Fall and that has helped me understand the score motor/cam as a system clock that runs only when we need it to. I have included a pic of the rhythm of that clock. I paste little snips of the A, B, C, or D clock pulses next to the score motor locations on the schematic so that I can readily visualize what’s happening. I figure after years of workin this, techs can just look at the schematic and feel the score motor in their minds, but I need the visual.

    Free Fall Score Clock (resized).jpgFree Fall Score Clock (resized).jpg
    #14 1 year ago
    Quoted from BigGeeKay:

    I started annotating the schematic for Free Fall and that has helped me understand the score motor/cam as a system clock that runs only when we need it to.

    I like the analogy of a system clock - for those who know what a system clock is anyway. I like the annotations too.

    Quoted from BigGeeKay:

    after years of workin this, techs can just look at the schematic and feel the score motor in their minds, but I need the visual.

    Maybe some can but I rely on a visual too. Fortunately the Score Motor chart (on many but not all schematics) offers similar information:
    Gottlieb Score Motor 3 (resized).jpgGottlieb Score Motor 3 (resized).jpg
    The chart is essentially the same for all Gottlieb games with only occasional additions when necessary.

    For visuals of how the Score Motor chart correlates to the Score Motor switches have a look at the short videos at
    https://www.funwithpinball.com/exhibits/small-boards-page-2#ScoreMotor and
    https://www.funwithpinball.com/learn/animated-score-motor-circuits

    /Mark

    #15 1 year ago

    And just to pile on, here's a chart that shows the most common GTB motor pulses in sequence order, rather than in cam order:

    https://pinside.com/pinball/forum/topic/1964-gottlieb-sea-shore-startup-sequence-help#post-6130215

    - TimMe

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