Disclaimer: This information is provided as is. There may be errors in this information. You may use this information only if you agree that Minimalist / Coinop.org, its employees, and noted authors will never be held responsible for any damage, injury, death, mayhem, etc. caused by errors in the information. When working with high voltage, never work alone and always follow safety precautions.

Document Title: [Grobda (2).txt (text file)]

Grobda, Namco '84
-----------------

       --------------------------------------------------------
         Solder Side        |         Parts Side
       -------------------------+------------------------------
                  GND   | A | 1 |   GND
            Speaker -   | B | 2 |   Speaker +
                        | C | 3 |	   
                        | D | 4 |	   
                  +12   | E | 5 |   +12
                   +5   | F | 6 |   +5
                        | H | 7 |	   
              Service   | J | 8 |   Test
       Coin Switch #1   | K | 9 |   Coin Switch #2
            1P  Start   | L | 10|   2P  Start
             1P  Fire   | M | 11|   2P  Fire
             1P  Left   | N | 12|   2P  Left
             1P  Down   | P | 13|   2P  Down
            1P  Right   | R | 14|   2P  Right
               1P  Up   | S | 15|   2P  Up
                        | T | 16|	   
                        | U | 17|	   
                        | V | 18|	   
           1P  Shield   | W | 19|   2P  Shield
           1P  Shield   | X | 20|   2P  Shield
                        | Y | 21|   Cocktail
                  GND   | Z | 22|   GND
       ------------------------------------------------------

       3 Pin Connector
       |---|---|------------------------------
       | D | 1 |  +12
       | O | 2 |  GND
       | D | 3 |  +5
       |---|---|------------------------------


       6 Pin Connector
      ------------------------------------------------------
       Video Red    | 1 | D O | 4 |   Video Sync
       Video Green  | 2 | O C | 5 |   Video GND
       Video Blue   | 3 | D O | 6 |	     
       ------------------------------------------------------



__________________DIP SWITCH 1_(locn 5B)____________________
Setting     Value            1   2   3   4   5   6   7   8
Test        Test mode        On
            Normal mode      Off
Coin 1      1 coin 3 plays       Off Off Off
            1 coin 4 plays       On  Off Off
            1 coin 2 plays       Off On  Off
            1 coin 1 play        On  On  Off
            2 coins 1 play       Off Off On
            2 coins 3 plays      On  Off On
            3 coins 1 play       Off On  On
            4 coins 1 play       On  On  On
Coin 2      1 coin 3 plays                   Off Off Off
            1 coin 4 plays                   On  Off Off
            1 coin 2 plays                   Off On  Off
            1 coin 1 play                    On  On  Off
            2 coins 1 play                   Off Off On
            2 coins 3 plays                  On  Off On
            3 coins 1 play                   Off On  On
            4 coins 1 play                   On  On  On
                                                         ???

__________________DIP SWITCH 2_(locn 5E)____________________
Setting       Value      1   2   3   4   5   6   7   8
Number of     3          Off Off
Grobda        1          On  Off
              2          Off On
              5          On  On
Player Rank   A                  Off Off
              B                  On  Off
              C                  Off On
              D                  On  On
Attract Mode Sound                       Off
             No Sound                    On
Select Mode? On                              Off
             Off                             On
Extra Lives  10K                                 Off Off
             none                                On  Off
             10K/30K                             Off On
             10K/50K/each 50K                    On  On

SW1 on board resets the unit


}