Halleys Komet
-------------

                     
                              Connector "G"
                              =============
                         COMPONENT  |  SOLDER
               -------------------------------------------
                            GND | 1 | A | GND
                                | 2 | B |           
                                | 3 | C |           
                                | 4 | D |
                    Speaker (+) | 5 | E | Speaker (-)
                            Key | 6 | F | Key
               Master Reset (*) | 7 | H | Power On RESET
                  Coin Switch 1 | 8 | J | Coin Switch 2
                 Coin Counter 1 | 9 | K | Coin Counter 2
                                |10 | L |               
                 Service Switch |11 | M | Tilt Switch
                       1P Start |12 | N | 2P Start
                          1P Up |13 | P | 2P Up
                        1P Down |14 | R | 2P Down
                       1P Right |15 | S | 2P Right
                        1P Left |16 | T | 2P Left
                                |17 | U | 
                                |18 | V |
                                |19 | W |
                                |20 | X |
                        1P Fire |21 | Y | 2P Fire
                        2P.Warp |22 | Z | 2P.Warp 



                  Connector "T"                          Connector "H"
                  =============                          =============
            COMPONENT  |  SOLDER                          Pin | Definition
           ----------------------                  --------------------------
               GND | 1 | A | GND                            1 | GND
               GND | 2 | B | GND                            2 | GND
               GND | 3 | C | GND                            3 | GND
               GND | 4 | D | GND                            4 | GND
             V-GND | 5 | E | V-GND                          5 | +5V
              SYNC | 6 | F | SYNC                           6 | +5V
               Key | 7 | H | Key                            7 | +5V
               Red | 8 | J | Red                            8 | -5V
             Green | 9 | K | Gree                           9 | +12V (unreg)
              Blue |10 | L | Blue                          10 | Key
               -5V |11 | M | -5V                           11 | +12V
               -5V |12 | N | -5V                           12 | +12V
              +12V |13 | P | +12V
              +12V |14 | R | +12V
               +5V |15 | S | +5V
               +5V |16 | T | +5V
               +5V |17 | U | +5V
               +5V |18 | V | +5V

-----------------------------------------------------------------------------

Remarks:
If the power-on-reset circuit is not incorporated in the power suply unit, please add a circuit that can suply one positive-polatity pulse to the pin 7 of the G-connector of the Main P.C Board.

Pulse width t1=30mS - 150mS

Dip sw.2 
--------                1  2  3  4  5  6  7  8  
-----------------------------------------------------------
 Always Off             -              -     -   Always Off
 Game Mode                 -                     Normal
                           +                     Free Play
 Start Round                  -  -  -            1
                              +  -  -            4
                              -  +  -            7
                              +  +  -            10
                              -  -  +            13
                              +  -  +            16
                              -  +  +            19
                              +  +  +            22
 Play Mode                                -      Normal
                                          +      No Hit


         Dip switch 3                 1   2   3   4   5   6   7   8
 -------------------------------------------------------------------
          Difficulty     |   B       |off off
                         |   A       |on  off
                         |   C       |off on
                         |   D       |on  on
 -------------------------------------------------------------------
         Bonus     | 200K/600K up to 6800K |  off off
         1st/Every | 200K/800K up to 8400K |  on  off
                   | 200K/1000K up to 9200K|  off on
                   | 100K/500K up to 5600K |  on  on
 -------------------------------------------------------------------
       Players        |    3      |                 off off
                      |    2      |                 on  off
                      |    4      |                 off on
 No Player is added ->|    4      |                 on  on
 -------------------------------------------------------------------
        Opreation      |When Fixed |                         on  on
        Data           |           |
        Recorder       |Not Fixed  |                         off off



        Dip switch 4             8   7   6   5   4   3   2   1
 -----------------------------------------------------------------
        Coin B    |1Coin/1Play| off off  
                  |1Coin/2Play| off on
                  |2Coin/1Play| on  off
                  |2Coin/3Play| on  on   
 ------------------------------------------------------------------
        Coin A    |1Coin/1Play|          off off
                  |1Coin/2Play|          off on
                  |2Coin/1Play|          on  off
                  |2Coin/3Play|          on  on
 ------------------------------------------------------------------
        Demo      |  ON       |                  off
        Sound     |  OFF      |                  on
 ------------------------------------------------------------------
        test      | normal    |                      off
        mode      |  test     |                      on
 ------------------------------------------------------------------
        screen    | Normal    |                          off
        inversion | Inversion |                          on
 ------------------------------------------------------------------
        game      |  TT       |                              off
        style     |  upright  |                              on
 ------------------------------------------------------------------




Note:
-----
1. When Dip sw.3 is set at 5=ON and 6=ON, number of players ship is not increased 
   throughout game.

2. Coin mech system can be optioned by setting Dip sw.1 position 6=ON for single 
   coin selector. Position 6=OFF for twin coin selector.

3. Dip sw.2 is not used and all contacts should be set to OFF.