[MAME]

Doki Doki Penguin Land
Sega, 1985

PCB Layout
----------

834-5492
|---------------------------------------------|
|    CN3          CN2          CN4            |
|                                  DSW(4)     |
|3.579545MHz                          TD62003 |
|   74HC04     8255             SN76489       |
|                                         CN5 |
|                                     VR5     |
| 6116         Z80A                           |
|                                  LA4460     |
|            74LS32 74LS139                   |
|EPR-7358.IC3                                 |
|              TMS9928                    CN1 |
|                                             |
|                              10.7386MHz     |
|           MB8118  MB8118                    |
|EPR-7357.IC2                                 |
|           MB8118  MB8118                    |
|                                        7808 |
|           MB8118  MB8118     VR4            |
|EPR7356.IC1                                  |
|    7805   MB8118  MB8118       VR3  VR2  VR1|
|---------------------------------------------|
Notes:
      All IC's shown
      CN1/2/3/4/5   - Connectors for power/video/sound/controls
      VR1/2/3       - Potentiometers for RGB adjustment
      VR4           - Potentiometer for Horizontal Sync adjustment
      VR5           - Potentiometer for volume
      TMS9928 clock - 2.68465 [10.7386/4]
      Z80 clock     - 3.579545MHz
      VSync         - 60Hz
      HSync         - 15.58kHz

Doki Doki Penguinland Dip Switches (DIP4) and Pinout

Option               1     2     3     4
------------------------------------------
1coin 1credit        off   off
1c 2cr               on    off
1c 3cr               off   on
2c 1cr               on    on
attract sound  yes               on
               no                off
not used                               off

Hold Service + 1P start on power up = test mode


CN1               CN2                       CN3
1 Red             1 Player 1 UP             1 Player 2 UP
2 Green           2 Player 1 DOWN           2 Player 2 DOWN
3 Blue            3 Player 1 LEFT           3 Player 2 LEFT
4 Gnd             4 Player 1 RIGHT          4 Player 2 RIGHT
5 Sync            5 Player 1 Button B       5 Player 2 Button B
6 Key             6 Player 1 Button A       6 Player 2 Button A
7                 7 Key                     7 Service
8 Speaker +       8 Player 1 START          8 Coin
9 Speaker -       9 Player 2 START          9 Key
10                10 Gnd                    10 Gnd


CN4               CN5
1                 1 +5V
2                 2 +5V
3                 3 +5V
4                 4 Gnd
5 Key             5 Gnd
6 Coin Meter      6 Gnd
7                 7 +12V
8                 8 Key
9 +5V             9 +12V
10 Gnd            10 Gnd

-